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        1 Permanent API job in Holloway (N19) + 20 miles

        Python Software Engineer

        SF Recruitment (Tech)
        Holloway, N19
        £55k - 65k per year + fully remote
        Python, Flask ,Azure, MySQL, API, Django, FastAPI
        Python, Flask ,Azure, MySQL, API, Django, FastAPI
        NEW

        These jobs might also interest you

        Job Title: Python Developer Our client within financial services is looking to hire a Python Developer to work as a contractor on a number of middle office and risk initiatives. This will be a multi year opportunity for someone with a strong background as a Python Developer and has worked at a financial services company previously. Job Description - Some of the projects you'll support are as follows; * Liquidity reporting system upgrades * Collateral Management platform optimisation. * Securities Lending programme and system upgrades. * Risk systems support * Developing large, business critical solutions * Supporting existing functionality and expanding upon it for new feature requests - This will be long term contracting, with the role being based in Bromley and they'll require 3 days a week onsite. The rates can pay
        Job Title: Python Developer Our client within financial services is looking to hire a Python Developer to work as a contractor on a number of middle office and risk initiatives. This will be a multi year opportunity for someone with a strong background as a Python Developer and has worked at a financial services company previously. Job Description - Some of the projects you'll support are as follows; * Liquidity reporting system upgrades * Collateral Management platform optimisation. * Securities Lending programme and system upgrades. * Risk systems support * Developing large, business critical solutions * Supporting existing functionality and expanding upon it for new feature requests - This will be long term contracting, with the role being based in Bromley and they'll require 3 days a week onsite. The rates can pay
        more
        NEWPREMIUM

        Software Engineer

        Oscar Associates (UK) Limited
        Camden, NW1
        £50000 - £60000 per annum
        Now they're looking for a Software Engineer to join their small but mighty technical team. This role is perfect for a software engineer who wants more than just writing code. Central London (Hybrid - ideally 2 days onsite, flexible)?? £50,000 - £60,000 + tailored bonus + benefits - The Opportunity - How often do you get the chance to join a business on the ground floor, where your code, your ideas, and your decisions directly shape the future of an entire industry? We're partnered with a high-growth PropTech firm that is redefining how property is bought, sold, managed, and experienced across the UK. They're not just another start-up tinkering on the edges of the market - they've already secured partnerships with major national brands and are scaling fast, with ambitious product launches ahead. This isn't just another dev role - it's
        Now they're looking for a Software Engineer to join their small but mighty technical team. This role is perfect for a software engineer who wants more than just writing code. Central London (Hybrid - ideally 2 days onsite, flexible)?? £50,000 - £60,000 + tailored bonus + benefits - The Opportunity - How often do you get the chance to join a business on the ground floor, where your code, your ideas, and your decisions directly shape the future of an entire industry? We're partnered with a high-growth PropTech firm that is redefining how property is bought, sold, managed, and experienced across the UK. They're not just another start-up tinkering on the edges of the market - they've already secured partnerships with major national brands and are scaling fast, with ambitious product launches ahead. This isn't just another dev role - it's
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        FEATURED
        Python Developer - sought by leading investment bank based in Canary Wharf - Contract - Hybrid * 5+ years of Python development experience, ideally in financial services or commodities - Key Responsibilities - o Historical index back-testing - o Daily pricing and index computation - o Weighting and rebalancing logic - o Attribution and decomposition analytics * Build robust APIs using FastAPI or Flask * Collaborate directly with business users to gather requirements and iterate quickly * Implement testing, versioning, and data validation processes * Ensure integration with internal data sources and reporting tools - Required Skills * Strong proficiency in Pandas, NumPy, and time-series data manipulation * Proven experience with FastAPI or Flask * Familiarity with large datasets and real-time data pipelines * Excellent debugging, profi
        Python Developer - sought by leading investment bank based in Canary Wharf - Contract - Hybrid * 5+ years of Python development experience, ideally in financial services or commodities - Key Responsibilities - o Historical index back-testing - o Daily pricing and index computation - o Weighting and rebalancing logic - o Attribution and decomposition analytics * Build robust APIs using FastAPI or Flask * Collaborate directly with business users to gather requirements and iterate quickly * Implement testing, versioning, and data validation processes * Ensure integration with internal data sources and reporting tools - Required Skills * Strong proficiency in Pandas, NumPy, and time-series data manipulation * Proven experience with FastAPI or Flask * Familiarity with large datasets and real-time data pipelines * Excellent debugging, profi
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        NEW

        Software Engineer

        Experis UK
        London
        £65000 - £90000 per annum + Excellent Benefits
        Instead, we want highly skilled software engineers with strong experience in at least one modern programming language and the ability to quickly adapt and learn new ones. If you're a high-calibre engineer seeking to apply your skills to projects that truly make a difference, we want to hear from you. £65,000 - £90,000 + Benefits - We are representing a specialist SME consultancy partnered with a leading AI and technology firm, delivering mission-critical solutions to the UK Defence and Intelligence community. This is a unique opportunity to work on a cutting-edge new platform that is shaping the future of national security. The role is language-agnostic - we're not looking for expertise in one specific technology stack. You will be working at the forefront of innovation on programmes of national importance, collaborating with some of
        Instead, we want highly skilled software engineers with strong experience in at least one modern programming language and the ability to quickly adapt and learn new ones. If you're a high-calibre engineer seeking to apply your skills to projects that truly make a difference, we want to hear from you. £65,000 - £90,000 + Benefits - We are representing a specialist SME consultancy partnered with a leading AI and technology firm, delivering mission-critical solutions to the UK Defence and Intelligence community. This is a unique opportunity to work on a cutting-edge new platform that is shaping the future of national security. The role is language-agnostic - we're not looking for expertise in one specific technology stack. You will be working at the forefront of innovation on programmes of national importance, collaborating with some of
        more
        PREMIUM

        Senior Full Stack Engineer - Python/React

        TURLEYWAY LIMITED
        The City, EC4N 7BE
        From £80,000 to £250,000 per annum
        Proficiency in Python back end development, and Typescript (React) * Proven track record of owning and working on end-to-end full-stack applications. This engineer will have the opportunity to work on a wide variety of technology initiatives in a distributed computing, low-latency and high-throughput application environment. TurleyWay are pairing with a globally renowned Quantitative trading firm to support them in growing their Quantitative Data Systems engineering team. The firm are well established and in a huge growth phase. Today, the firm has more than 1,500 people around the globe and an expansive engineering team. This team, Quantitative Systems is a global team that supports the design and maintenance of the companys largest computer infrastructure. You will be working on gre
        Proficiency in Python back end development, and Typescript (React) * Proven track record of owning and working on end-to-end full-stack applications. This engineer will have the opportunity to work on a wide variety of technology initiatives in a distributed computing, low-latency and high-throughput application environment. TurleyWay are pairing with a globally renowned Quantitative trading firm to support them in growing their Quantitative Data Systems engineering team. The firm are well established and in a huge growth phase. Today, the firm has more than 1,500 people around the globe and an expansive engineering team. This team, Quantitative Systems is a global team that supports the design and maintenance of the companys largest computer infrastructure. You will be working on gre
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        Junior Full Stack Python Developer - AI/LLMs - London (Hybrid, 1 day per week) - Up to £45k - Are you a Junior Full Stack Developer with a passion for Python, AI, and cutting-edge tech? Keywords: Python, JavaScript, Node.js, React, LLMs, LangChain, Cloud (GCP/AWS), SQL, NoSQL, REST APIs, Full Stack, AI - You'll work closely with the Founder and another experienced Developer, gaining hands-on experience with AI/LLMs, while building innovative products that will disrupt the market. * Strong foundation in Python This is your chance to join a brand-new, well-funded eCommerce start-up right at the beginning of its scale-up journey. Backed by recent investment and led by a proven entrepreneur with a track r
        Junior Full Stack Python Developer - AI/LLMs - London (Hybrid, 1 day per week) - Up to £45k - Are you a Junior Full Stack Developer with a passion for Python, AI, and cutting-edge tech? Keywords: Python, JavaScript, Node.js, React, LLMs, LangChain, Cloud (GCP/AWS), SQL, NoSQL, REST APIs, Full Stack, AI - You'll work closely with the Founder and another experienced Developer, gaining hands-on experience with AI/LLMs, while building innovative products that will disrupt the market. * Strong foundation in Python This is your chance to join a brand-new, well-funded eCommerce start-up right at the beginning of its scale-up journey. Backed by recent investment and led by a proven entrepreneur with a track r
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        NEW
        My exciting new client is looking for a Full Stack Engineer with AI/ML and Python experience. * 10+ years designing and developing operational support systems and automation solutions in Python, 5+ years leading reviews and ensuring quality in others' work. * Develop and maintain server-side logic using Python. Day rate: £500 - £700 (inside IR35) Duration: 12 months - Hybrid: 3 days per week - Start: ASAP - Hybrid working 3 days per week in the London office. * Hands-on experience with Selenium, and iOS functional automation. * Experience with testing activities across the entire lifecycle of the project from inception to delivery. * Design and implement user interfaces using JavaScript, and frameworks such as React. * Manage APIs and integrate third-party services and tools. * Ensure application data
        My exciting new client is looking for a Full Stack Engineer with AI/ML and Python experience. * 10+ years designing and developing operational support systems and automation solutions in Python, 5+ years leading reviews and ensuring quality in others' work. * Develop and maintain server-side logic using Python. Day rate: £500 - £700 (inside IR35) Duration: 12 months - Hybrid: 3 days per week - Start: ASAP - Hybrid working 3 days per week in the London office. * Hands-on experience with Selenium, and iOS functional automation. * Experience with testing activities across the entire lifecycle of the project from inception to delivery. * Design and implement user interfaces using JavaScript, and frameworks such as React. * Manage APIs and integrate third-party services and tools. * Ensure application data
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        Python Developer (m/f/d)

        SEFE MARKETING & TRADING LIMITED
        NW1, North West London
        To define
        We are searching for a Python Developer to join SEFE in London. * Application Development: Design, develop, and maintain in-house applications for the Derivatives trading desk using Python, ensuring efficient, scalable, and reliable solutions. * Proficiency in Python (3.10+) SEFE, an international energy company, ensures the security of supply and drives the decarbonisation of its customers. SEFEs activities span the energy value chain, from origination and trading to sales, transport and storage. Through its decades-long expertise in trading and the development of its LNG business, SEFE has become one of the most important suppliers to industrial customers in Europe, with an annual sales volume of 200 TWh of gas and power. Its 50,000 customers range from small businesses to municipalities and multinational organisati
        We are searching for a Python Developer to join SEFE in London. * Application Development: Design, develop, and maintain in-house applications for the Derivatives trading desk using Python, ensuring efficient, scalable, and reliable solutions. * Proficiency in Python (3.10+) SEFE, an international energy company, ensures the security of supply and drives the decarbonisation of its customers. SEFEs activities span the energy value chain, from origination and trading to sales, transport and storage. Through its decades-long expertise in trading and the development of its LNG business, SEFE has become one of the most important suppliers to industrial customers in Europe, with an annual sales volume of 200 TWh of gas and power. Its 50,000 customers range from small businesses to municipalities and multinational organisati
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        NEWFEATURED

        Senior Software Engineer

        Platform Recruitment Limited
        EC2M, City of London
        Up to £160,000 per annum
        Title: Senior Software Engineer (Compilers) * 6 years+ as a compiler engineer Company: HPC R&D - Location: London (primarily remote) Pay: Up to £160,000 + bonus + benefits - An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because they get more flexibility and have more challenging/interesting work to do as the team is significantly smaller, with highly technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. You will be a significant hire and will own much of the development of a cutting-edge compiler development project. Significant hires have already been made in the team to support this role. Mostly LLVM based, it is important you also have experience wor
        Title: Senior Software Engineer (Compilers) * 6 years+ as a compiler engineer Company: HPC R&D - Location: London (primarily remote) Pay: Up to £160,000 + bonus + benefits - An advanced HPC R&D firm, looking to expand the UK compiler team. Most of the team are ex-Big-Tech, ex-FAANG or ex-Chip firms. They joined because they get more flexibility and have more challenging/interesting work to do as the team is significantly smaller, with highly technical leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. You will be a significant hire and will own much of the development of a cutting-edge compiler development project. Significant hires have already been made in the team to support this role. Mostly LLVM based, it is important you also have experience wor
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        Software Engineer

        Avd Appoint Ltd
        WC2, Central London
        £50000 - £70000 per annum + Benefits
        I am currently recruiting for a Software Engineer to work for a fascinating company within the space domain that are pushing the boundaries of technology based in London. To support the business with its future plans as well as enabling them to be able to deliver upon their current project demands they have the need to appoint another Software Engineer on a permanent basis. In this role as a Software Engineer, you will be responsible for coding in Rust and C/C++. * At least 2 years' commercial experience as a Software Engineer or similar unless you have completed a PhD - Initially this will be on the ground software to integrate with mission control software, but this will diversify in time to be more focused on the flight dynamics element. * Experience developing
        I am currently recruiting for a Software Engineer to work for a fascinating company within the space domain that are pushing the boundaries of technology based in London. To support the business with its future plans as well as enabling them to be able to deliver upon their current project demands they have the need to appoint another Software Engineer on a permanent basis. In this role as a Software Engineer, you will be responsible for coding in Rust and C/C++. * At least 2 years' commercial experience as a Software Engineer or similar unless you have completed a PhD - Initially this will be on the ground software to integrate with mission control software, but this will diversify in time to be more focused on the flight dynamics element. * Experience developing
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        Python Software Engineer Databricks

        Client Server
        Shoreditch, E1
        £80000 - £90000 per annum + bonus + benefits
        As a Python Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. Python Software Engineer / Developer (Azure Databricks FastAPI) London to £90k - Are you a data centric Python Software Engineer? Apply now to find out more about this Python Software Engineer / Developer opportunity. * You have strong Python software engineering skills - You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. You'll participate in the desig
        As a Python Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. Python Software Engineer / Developer (Azure Databricks FastAPI) London to £90k - Are you a data centric Python Software Engineer? Apply now to find out more about this Python Software Engineer / Developer opportunity. * You have strong Python software engineering skills - You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. You'll participate in the desig
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        NEWPREMIUM

        Machine Learning Engineer

        Anson Mccade
        South East
        GBP 60,000.00 - 90,000.00 per year;GBP 60,000.00 per year;GBP 90,000.0
        They are now hiring a Machine Learning Engineer to join their Defence & National Security team. This role is ideal for an engineer who wants to take machine learning beyond theory and into live operational systems that solve critical national challenges. * Designing, building, and deploying software, infrastructure, and MLOps systems that leverage machine learning. * Opportunity to shape how machine learning is operationalised at scale. * Working in cross-functional teams with engineers, data scientists, product managers, and designers. * Providing technical expertise to customers and mentoring junior engineers. * Experience mentoring or leading junior engineers is an advantage. £6000
        They are now hiring a Machine Learning Engineer to join their Defence & National Security team. This role is ideal for an engineer who wants to take machine learning beyond theory and into live operational systems that solve critical national challenges. * Designing, building, and deploying software, infrastructure, and MLOps systems that leverage machine learning. * Opportunity to shape how machine learning is operationalised at scale. * Working in cross-functional teams with engineers, data scientists, product managers, and designers. * Providing technical expertise to customers and mentoring junior engineers. * Experience mentoring or leading junior engineers is an advantage. £6000
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        NEWPREMIUM
        Job Title: Full Stack Engineer with Node.js and Python * Expertise in ReactJs, TypeScript, JavaScript, NodeJS, Python, Postgres * Mentor Engineers and Associate Engineers Duration: until 30 January 2026 - Location: Remote working - Onsite required in Croydon 2 days per month - Clearance: Active SC clearance required - Rate: £475 per day - PAYE via Umbrella only * Familiarity with Docker, Kubernetes, AWS, CI/CD * Be a technical specialist for one or more products or services * Develop features, resolve bugs, elaborate stories, write and improve documentation * Manage and take part in in-hours support (triage, incidents, bugfixes) * Lead the design of components or modules in a product or service * Work with Engineering
        Job Title: Full Stack Engineer with Node.js and Python * Expertise in ReactJs, TypeScript, JavaScript, NodeJS, Python, Postgres * Mentor Engineers and Associate Engineers Duration: until 30 January 2026 - Location: Remote working - Onsite required in Croydon 2 days per month - Clearance: Active SC clearance required - Rate: £475 per day - PAYE via Umbrella only * Familiarity with Docker, Kubernetes, AWS, CI/CD * Be a technical specialist for one or more products or services * Develop features, resolve bugs, elaborate stories, write and improve documentation * Manage and take part in in-hours support (triage, incidents, bugfixes) * Lead the design of components or modules in a product or service * Work with Engineering
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        PREMIUM
        This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. * Python * React * AI (desirable - If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV. * Typescript * AWS * SQL * Kubernetes (desirable)
        This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. * Python * React * AI (desirable - If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV. * Typescript * AWS * SQL * Kubernetes (desirable)
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        NEW
        The ideal candidate will be a data engineer from a software engineering background with machine learning experience. New Senior Data Engineer Contract Roles - We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The rate available for this position is: £550-575pd * Snowflake * AWS * Machine Learning * React or Angular - Please apply directly or email me your CV on
        The ideal candidate will be a data engineer from a software engineering background with machine learning experience. New Senior Data Engineer Contract Roles - We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The rate available for this position is: £550-575pd * Snowflake * AWS * Machine Learning * React or Angular - Please apply directly or email me your CV on
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        NEWFEATURED
        We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. * 8+ years of software development experience. * Strong knowledge of software design principles and patterns. JavaScript React Developer - London (Hybrid) 6 month contract - Rates: Negotiable - Overview - This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugg
        We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. * 8+ years of software development experience. * Strong knowledge of software design principles and patterns. JavaScript React Developer - London (Hybrid) 6 month contract - Rates: Negotiable - Overview - This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugg
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        Senior Software Developer

        Tech 4
        E10, East London
        From £64,000 to £70,000 per annum + excellent benefits
        Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). This role will work closely with our Head of Engineering, Head of Data Science, QA Manager, Lead Software Developers, Software Developers and Chief Technology Officer. They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. * Design and implement systems and software to meet requirements using appropriate tools and methods. * Be responsible for the technical development of all stages of software creation, including testing; ensure that implementation meets security, performance, and safety requirements. * Abl
        Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). This role will work closely with our Head of Engineering, Head of Data Science, QA Manager, Lead Software Developers, Software Developers and Chief Technology Officer. They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. * Design and implement systems and software to meet requirements using appropriate tools and methods. * Be responsible for the technical development of all stages of software creation, including testing; ensure that implementation meets security, performance, and safety requirements. * Abl
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        Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You’ll join a collaborative team where your expertise in backend systems (with Python as a core strength) will help shape the next stage of our platform. 5+ years professional experience with Python (or a comparable language) Work in a cross-functional squad alongside product managers, designers, and other engineers Contribute across the full software lifecycle — planning, building, deploying, and running systems - Languages: Python, TypeScript, JavaScript - Contract - Outside IR35 - Day Rate: Up to £725 (DOE) Immediate Start - Location: UK Remote - While you’ll have the chance to work across the stack, backend problem-solvin
        Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You’ll join a collaborative team where your expertise in backend systems (with Python as a core strength) will help shape the next stage of our platform. 5+ years professional experience with Python (or a comparable language) Work in a cross-functional squad alongside product managers, designers, and other engineers Contribute across the full software lifecycle — planning, building, deploying, and running systems - Languages: Python, TypeScript, JavaScript - Contract - Outside IR35 - Day Rate: Up to £725 (DOE) Immediate Start - Location: UK Remote - While you’ll have the chance to work across the stack, backend problem-solvin
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        C# Developer .Net SQL - Quant Trading

        Client Server
        West London, London, W1J 6BR
        £150000 - £180000 per annum + benefits
        C# Developer / Software Engineer (C# .Net SQL) *London onsite* to £180k+ Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL) opportunity. As a C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. * You have a strong knowledge of SQL databases - Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging s
        C# Developer / Software Engineer (C# .Net SQL) *London onsite* to £180k+ Apply now to find out more about this C# Developer / Software Engineer (C# .Net SQL) opportunity. As a C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing systems, delivering massively scalable, high performance streaming compute operations. * You have a strong knowledge of SQL databases - Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging s
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        NEWPREMIUM

        Senior Full Stack Engineer React .Net Python

        Client Server
        South Kensington, SW7
        £100000 - £150000 per annum + bonus + benefits
        Senior Full Stack Engineer / Developer (React .Net Python) London to £150k - Apply now to find out more about this Senior Full Stack Engineer / Developer (React .Net Python) opportunity. As a Senior Full Stack Engineer you will take ownership of user interface / frontend development in the London office for both web and mobile applications, collaborating with colleagues in the New York office. Do you have expertise with React combined with a strong appreciation of .Net and / or Python backend systems? You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating front
        Senior Full Stack Engineer / Developer (React .Net Python) London to £150k - Apply now to find out more about this Senior Full Stack Engineer / Developer (React .Net Python) opportunity. As a Senior Full Stack Engineer you will take ownership of user interface / frontend development in the London office for both web and mobile applications, collaborating with colleagues in the New York office. Do you have expertise with React combined with a strong appreciation of .Net and / or Python backend systems? You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating front
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        NEWPREMIUM

        Senior Developer (m/f/d)

        SEFE MARKETING & TRADING LIMITED
        NW1, North West London
        To define
        The Senior Developer has multiple responsibilities within the organization. It is expected that a Senior Developer will work on a portfolio of different software products during their time in the organization and will coach different individuals in their career. * Understand the technical needs/dependencies with other applications/teams and manage these with the Lead Developers and Architects to ensure the correct technical solutions are implemented - Their?time is broken down to software delivery and junior developer coaching responsibilities. * Demonstrated technical authority and leadership, with experience mentoring or coaching junior developers. SEFE, an international energy company, ensures the security of supply and drives the decarbonisation of its customers. SEFEs activities
        The Senior Developer has multiple responsibilities within the organization. It is expected that a Senior Developer will work on a portfolio of different software products during their time in the organization and will coach different individuals in their career. * Understand the technical needs/dependencies with other applications/teams and manage these with the Lead Developers and Architects to ensure the correct technical solutions are implemented - Their?time is broken down to software delivery and junior developer coaching responsibilities. * Demonstrated technical authority and leadership, with experience mentoring or coaching junior developers. SEFE, an international energy company, ensures the security of supply and drives the decarbonisation of its customers. SEFEs activities
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        NEWFEATURED
        As demand surges for our product, we are currently hiring for a Senior Python Developer with Azure experience and a footing with AI whos ready to move at our speed. AI / Azure / Python Developer Your Skills: Experience with Azures native AI stack (including AI Foundry, Search, Cosmos DB, and AKS), strong Python and C# skills, VS Code (ideally with AI tools like Copilot), familiarity with Docker, Kubernetes, and scalable cloud-native architecture, and a track record of working in agile teams using Azure DevOps for CI/CD and automated testing. Code primarily in Python and C# - with bonus points if you can jump into React.js when needed - Strong programming skills in Python and C#, with a focus on writing clean, maintainable, and well-structured code - Were building some
        As demand surges for our product, we are currently hiring for a Senior Python Developer with Azure experience and a footing with AI whos ready to move at our speed. AI / Azure / Python Developer Your Skills: Experience with Azures native AI stack (including AI Foundry, Search, Cosmos DB, and AKS), strong Python and C# skills, VS Code (ideally with AI tools like Copilot), familiarity with Docker, Kubernetes, and scalable cloud-native architecture, and a track record of working in agile teams using Azure DevOps for CI/CD and automated testing. Code primarily in Python and C# - with bonus points if you can jump into React.js when needed - Strong programming skills in Python and C#, with a focus on writing clean, maintainable, and well-structured code - Were building some
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        NEW
        Python Developer - sought by leading investment bank based in Canary Wharf - Contract - Hybrid * 5+ years of Python development experience, ideally in financial services or commodities - Key Responsibilities - o Historical index back-testing - o Daily pricing and index computation - o Weighting and rebalancing logic - o Attribution and decomposition analytics * Build robust APIs using FastAPI or Flask * Collaborate directly with business users to gather requirements and iterate quickly * Implement testing, versioning, and data validation processes * Ensure integration with internal data sources and reporting tools - Required Skills * Strong proficiency in Pandas, NumPy, and time-series data manipulation * Proven experience with FastAPI or Flask * Familiarity with large datasets and real-time data pipelines * Excellent debugging, profi
        Python Developer - sought by leading investment bank based in Canary Wharf - Contract - Hybrid * 5+ years of Python development experience, ideally in financial services or commodities - Key Responsibilities - o Historical index back-testing - o Daily pricing and index computation - o Weighting and rebalancing logic - o Attribution and decomposition analytics * Build robust APIs using FastAPI or Flask * Collaborate directly with business users to gather requirements and iterate quickly * Implement testing, versioning, and data validation processes * Ensure integration with internal data sources and reporting tools - Required Skills * Strong proficiency in Pandas, NumPy, and time-series data manipulation * Proven experience with FastAPI or Flask * Familiarity with large datasets and real-time data pipelines * Excellent debugging, profi
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        NEW

        Senior Software Engineer

        Aimtech Recruitment Ltd
        N1, North London
        Up to £100,000 per annum
        You will be heavily product focused and have a strong track record of demonstrating you are more than a coder and genuinely love the product build. * Strong experience of Python Development with Django Rest frameworks. * Expert with FastAPI andPostgres * Experience of refactoring monolithic systems. * Outstanding knowledge of MongoDB. * Worked on large scale codebases. * AWS Serverless experience. * Experience in scalable application design. * Proven ability to work well in a high growth tech SME. * Experience of pair-programming. * Work collaboratively and expertly as part of a team. The client is operating a 3 stage interview process and are looking to progress quickly. The business offer a superb benefits package alongside the remote working. Feedback will be provided on your CV from the client within a few days of having been submitted by Aimtech Recruitment.
        You will be heavily product focused and have a strong track record of demonstrating you are more than a coder and genuinely love the product build. * Strong experience of Python Development with Django Rest frameworks. * Expert with FastAPI andPostgres * Experience of refactoring monolithic systems. * Outstanding knowledge of MongoDB. * Worked on large scale codebases. * AWS Serverless experience. * Experience in scalable application design. * Proven ability to work well in a high growth tech SME. * Experience of pair-programming. * Work collaboratively and expertly as part of a team. The client is operating a 3 stage interview process and are looking to progress quickly. The business offer a superb benefits package alongside the remote working. Feedback will be provided on your CV from the client within a few days of having been submitted by Aimtech Recruitment.
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