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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

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        Python Developer - Operations

        Feenicks Ltd TA Archway International
        Piccadilly, W1
        Up to £60,000 per annum
        Write clean, efficient, and maintainable Python code * Experience withFlaskor similar Python web frameworks - Were working with afast-growing London-based fintech company tohelp them find a talentedPython Developerto join their dynamic engineering team. Please note:The client isunable to sponsor visasat this time. Applicants must have the right to work in the UK. Compensation * Up to £60,000 base salary * Performance-based bonus - Hybrid Working * 23 days per monthin their London office - Responsibilities * Design and architect complex systems and applications for theFinancial Operationsteam * Translate technical requirements into scalable software solutions * Participate in code reviews and uphold best practices across the development lifecycle * Collaborate with stakeholders to gather requirements and provide project updates * Optim
        Write clean, efficient, and maintainable Python code * Experience withFlaskor similar Python web frameworks - Were working with afast-growing London-based fintech company tohelp them find a talentedPython Developerto join their dynamic engineering team. Please note:The client isunable to sponsor visasat this time. Applicants must have the right to work in the UK. Compensation * Up to £60,000 base salary * Performance-based bonus - Hybrid Working * 23 days per monthin their London office - Responsibilities * Design and architect complex systems and applications for theFinancial Operationsteam * Translate technical requirements into scalable software solutions * Participate in code reviews and uphold best practices across the development lifecycle * Collaborate with stakeholders to gather requirements and provide project updates * Optim
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        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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        Senior full stack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - £475 a day Outside IR35. Senior full stack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - Outside IR35 - £475 a day - My client has an urgent need for a senior full stack AI Engineer this is outside IR35, 100% remote working and contract will be initially 6 months but likely to extend this is paying £475 a day * LLM applications: LangChain, Pydantic-AI (similar frameworks), RAG systems, MCP servers * backend (Python / FastAPI) leveraging a Python-based framework for LLMs and AI-agent (pydanti
        Senior full stack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - £475 a day Outside IR35. Senior full stack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - Outside IR35 - £475 a day - My client has an urgent need for a senior full stack AI Engineer this is outside IR35, 100% remote working and contract will be initially 6 months but likely to extend this is paying £475 a day * LLM applications: LangChain, Pydantic-AI (similar frameworks), RAG systems, MCP servers * backend (Python / FastAPI) leveraging a Python-based framework for LLMs and AI-agent (pydanti
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        Full Stack Developer - React / Python Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. * Strong React & Python skills £60K-£70K + Equity | Full-Time | Start-up * Build responsive UIs in React * Develop APIs & services in Python (either Django/Flask/FastAPI) * Help shape our tech stack London | Hybrid (2 days office and 3 days from home) We're a high-growth start-up building a leading healthcare! * Own features end-to-end * API & database experience * A proactive, problem-solving mindset * Ideally start-up or scale-
        Full Stack Developer - React / Python Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. * Strong React & Python skills £60K-£70K + Equity | Full-Time | Start-up * Build responsive UIs in React * Develop APIs & services in Python (either Django/Flask/FastAPI) * Help shape our tech stack London | Hybrid (2 days office and 3 days from home) We're a high-growth start-up building a leading healthcare! * Own features end-to-end * API & database experience * A proactive, problem-solving mindset * Ideally start-up or scale-
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        Fullstack Javascript Developer

        83zero Limited
        Grays Inn, WC2A 1EL
        £65000 - £70000 per annum + Pension combined 10% , PH, LA
        Full Stack JavaScript Developer (Mid-Level) Your Role: We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. * Proven experience in full stack JavaScript development, with a strong focus on Node.js and server-side development. * Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. * Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. * Proficiency in HTML5, CSS3, and JavaScript (ES6+). Salary: £65,000 - £70,000 pa
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        Software Developer - Python, Azure

        Hays
        London
        £35000.0 - £40000.0 per annum + Competitive Salary + Benefits
        Hays Software Engineering are looking for a Software Developer to join a fast-growing real estate investment firm. * Write clean, efficient, and well-documented code in Python, CSS, and JavaScript. * Assist in troubleshooting, debugging, and resolving software defects. * 1+ years experience in a relevant position delivering full software lifecycle. * Proficiency in Python, CSS, HTML and JS code at an intermediate to advanced level. * Experience in software security would be preferred, but is not essential. * Heavily contribute to the development of an in-house application designed to streamline the lending process for clients. * Work with cross-functional teams to understand project requirements and deliver solutions that meet client
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        Full Stack Developer

        Rise Technical Recruitment Limited
        London
        £70000.00 - £85000.00 per annum + Progression + Training
        In this role, you'll join a driven and ambitious development team, working across the full stack with Java, Python and Vue.js. *Full Stack Development of ML-Driven SaaS Platform (Java, Python and Vue.js) London (Office Based) £75,000 - £85,000 + Progression + Training - An excellent opportunity awaits a software engineer with strong Python and Java experience looking to advance their career at an ML-driven SaaS business. This role offers technical growth, variety, and strong development opportunities. The company is a profitable, growing business delivering AI-driven software solutions that optimise business processes in heavy industries. You'll manage infrastructure and deployment pipelines, use automation tools, and work with DevOps and cloud technologies (AWS). You will join an autonomous team that
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        In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. You will act as a technical authority on software written in Python, lead architectural discussions, code, ensure technical quality and deliver complex software projects. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Web, software, and AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing
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        Software Engineer

        Platform Recruitment Limited
        EC1, City of London
        Up to £90,000 per annum
        Title: Software Engineer A next-generation and scientifically-led HPC team have opened up an opportunity for an experienced Software Engineer with C++ and GPU expertise to join a team of exceptionally talented developers. This is a fantastic chance for an experienced C++ engineer with proven experience in a video or high-performance environment to join a world-class team of engineers developing truly novel solutions. * Experience writing performance-critical software Company: HPC / AI - Location: London (hybrid) Package: Up to £90,000 - You will have the opportunity to shape the developmental trajectory of the business by working on high-performance greenfield projects. * C++ is your strongest language * Ideally experience in Video or Audio Processing * Exposure to GPU technology (Vul
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        Java Risk Developer

        James Joseph Associates Limited
        EC2N, City of London
        £120,000 per annum Circa 20-40% annual Bonus + Pension + Bens.
        The business is going from strength to strength, they are currently going through a period of exponential growth and are enjoying record profits The business is actively expanding as there is additional headcount on their Risk Technology Team. These trade booking and risk management systems underpin signals for strategies, treasury operations, and risk oversight. You will work closely with the Chief Risk Officer as well as colleagues across Risk, Operations, Trading, and Quant teams. Internal stakeholders span the full spectrum of risk requirements: from ultra-low latency trading signals, to regulatory reporting (both point-in-time and historical), and forward-looking risk models such as stress testing and Value at Risk (VaR). Design,
        The business is going from strength to strength, they are currently going through a period of exponential growth and are enjoying record profits The business is actively expanding as there is additional headcount on their Risk Technology Team. These trade booking and risk management systems underpin signals for strategies, treasury operations, and risk oversight. You will work closely with the Chief Risk Officer as well as colleagues across Risk, Operations, Trading, and Quant teams. Internal stakeholders span the full spectrum of risk requirements: from ultra-low latency trading signals, to regulatory reporting (both point-in-time and historical), and forward-looking risk models such as stress testing and Value at Risk (VaR). Design,
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        Python Software Engineer

        Henderson Scott
        London
        £630 - £640 per day + Umbrella rate - inside IR35
        Contract Backend Developer - Python/Go - SC Cleared - Remote - 6 Months - A leading consultancy is seeking a Backend Developer with strong experience in Python and Go for a secure infrastructure automation project. * Python & Go backend development (APIs, microservices, automation tools) Rate: Competitive (Outside IR35) Location: Remote/Hybrid (UK-based only) - 1-2 days per month in London - Clearance: Active SC Clearance required - Duration: 6 months (possible extension) * AWS SDKs (boto3, aws-sdk-go-v2) - EC2, S3, IAM, Lambda, CloudWatch * LDAP, HashiCorp Vault, JIRA/Confluence, Kubernetes integration * CI/CD pipelines, Git, testing frameworks (pytest, unittest, testify, gomock) * Code quality tools: flake8, black, mypy, golangci-lint * Proven experience in backend development and cloud automation * Strong integrati
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        Senior Backend Developer

        Liberty Recruitment Group
        W1U, West London
        £80,000 - £90,000
        The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, youd be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves. * Leading the design and development of new product features, providing a holistic approach to design * Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion * Address any performance bottlenecks and optimiseperformance of com
        The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, youd be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves. * Leading the design and development of new product features, providing a holistic approach to design * Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion * Address any performance bottlenecks and optimiseperformance of com
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        Software Developer - Active SC, Python, AWS

        Hays
        London
        £400.0 - £425.0 per day + up to £425 per day (InsideIR35)
        My client is an international consultancy, who require a Software Developer that holds active SC clearance, with Python, Terraform and AWS to work closely with a key end client. * Proven experience as a software developer with data integration experience (API) * Extensive experience programming in Python By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk - Up to £425 per day (Inside IR35) London / Primarily Remote - 8 Months * Active Security Clearance (SC) * Expertise in AWS, Kubernetes and CI/CD (Continuous Integration / Continuous Deployment) * Strong working knowledge of Elastic, Kibana and React * Excellent communication skills * Working knowledge of Docker / Single Sign On * Familiarity
        My client is an international consultancy, who require a Software Developer that holds active SC clearance, with Python, Terraform and AWS to work closely with a key end client. * Proven experience as a software developer with data integration experience (API) * Extensive experience programming in Python By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk - Up to £425 per day (Inside IR35) London / Primarily Remote - 8 Months * Active Security Clearance (SC) * Expertise in AWS, Kubernetes and CI/CD (Continuous Integration / Continuous Deployment) * Strong working knowledge of Elastic, Kibana and React * Excellent communication skills * Working knowledge of Docker / Single Sign On * Familiarity
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        Python Game Server Developer

        Eligo Recruitment Limited
        Covent Garden, WC2
        £55000 - £65000 per annum
        This growing studio is building innovative, high-quality games enjoyed by players worldwide, and theyre now looking for a skilled Game Server Developer to join the team. Game Server Developer Remote EU up to £65,000 * Designing, developing, and maintaining server-side components that power online games. * 3+ years in game server development, ideally with slot or casino titles. Looking for your next challenge in game development? * Working closely with front-end developers, designers, and mathematicians to deliver smooth integration and gameplay. * Keeping on top of industry trends and enhancing server architecture. * Strong Python experience * Solid understanding of probability, stati
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        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
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        Experience in software development with solid Python and a willingness to cross-train. Are you driven by technology and innovation, Do you want to build software that helps global businesses manage risk and make smarter decisions? Join our Nottingham-based Risk Intelligence Engineering team and be part of a group that delivers impactful solutions used by some of the worlds largest companies! Were looking for enthusiastic and skilled software engineers who thrive in agile environments and enjoy working collaboratively to deliver for their customers and are actively looking for the next growth opportunity. Youll be part of the development team, contributing to the full software development lifecycle all the way from design and development to testing and deployment. The Role - As part of this role you will be Designing, building, and maintaining secure,
        Experience in software development with solid Python and a willingness to cross-train. Are you driven by technology and innovation, Do you want to build software that helps global businesses manage risk and make smarter decisions? Join our Nottingham-based Risk Intelligence Engineering team and be part of a group that delivers impactful solutions used by some of the worlds largest companies! Were looking for enthusiastic and skilled software engineers who thrive in agile environments and enjoy working collaboratively to deliver for their customers and are actively looking for the next growth opportunity. Youll be part of the development team, contributing to the full software development lifecycle all the way from design and development to testing and deployment. The Role - As part of this role you will be Designing, building, and maintaining secure,
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        Junior Python Developer

        Oscar Associates (UK) Limited
        London
        £37000 - £45000 per annum
        I'm working with a forward-thinking SaaS company based in Central London that's looking for a Junior Python Developer to join their growing tech team. This is a genuinely strong career development move for a junior developer who wants structured support, real-world responsibility, and the chance to move forward quickly. This is a fantastic opportunity for someone with a good grounding in Python who wants to build real-world experience and progress quickly in a commercial environment. * Solid Python fundamentals (could be from university, projects, or internships) The company is scaling fast and puts a strong focus on learning, development and internal growth. You'll start with three months of structured onboarding and shadowing, giving you time to learn the platform, development pract
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        Back End Engineering is a key role within Thought Machine as Back End Engineers lead the development of Thought Machines Vault product. * Experience with client/server software architectures & networking, or microservice architectures. Description - Thought Machines mission is bold to properly and permanently rid the worlds banks of legacy technology. To achieve this, we have developed the foundations of modern banking and built core and payments technology which runs natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years growing our team to more than 500 individuals across offices in London, New York, Singapore and Sydney. We have raised more than $500m in funding and are now valued at $2.7bn. Our investors include Mo
        Back End Engineering is a key role within Thought Machine as Back End Engineers lead the development of Thought Machines Vault product. * Experience with client/server software architectures & networking, or microservice architectures. Description - Thought Machines mission is bold to properly and permanently rid the worlds banks of legacy technology. To achieve this, we have developed the foundations of modern banking and built core and payments technology which runs natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years growing our team to more than 500 individuals across offices in London, New York, Singapore and Sydney. We have raised more than $500m in funding and are now valued at $2.7bn. Our investors include Mo
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        Senior full stack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - £475 a day Outside IR35. Senior full stack AI Engineer - Remote - AI - LLM - Typescript - react - Python - AWS - Outside IR35 - £475 a day - My client has an urgent need for a senior full stack AI Engineer this is outside IR35, 100% remote working and contract will be initially 6 months but likely to extend this is paying £475 a day * LLM applications: LangChain, Pydantic-AI (similar frameworks), RAG systems, MCP servers * backend (Python / FastAPI) leveraging a Python-based framework for LLMs and AI-agent (pydanti
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        If you are a skilled Software Engineer with a passion for building scalable solutions and want your skills to make a difference, we would love to hear from you. They are now seeking Software Engineersto play a pivotal role in rebuilding and modernising their software environment. * Proven experience in software development with expertise in C#, .NET, Azure, and SQL. Are you ready to use your technical expertise to help transform services that directly improve lives across the UK? Our client provides emergency accommodation and support services to the UK's most vulnerable people victims of domestic abuse, those fleeing war, chaos and corruption, and individuals seeking asylum. Their mission is to deliver safe environments and innovative solutions that protect and empower those most in need. This is an
        If you are a skilled Software Engineer with a passion for building scalable solutions and want your skills to make a difference, we would love to hear from you. They are now seeking Software Engineersto play a pivotal role in rebuilding and modernising their software environment. * Proven experience in software development with expertise in C#, .NET, Azure, and SQL. Are you ready to use your technical expertise to help transform services that directly improve lives across the UK? Our client provides emergency accommodation and support services to the UK's most vulnerable people victims of domestic abuse, those fleeing war, chaos and corruption, and individuals seeking asylum. Their mission is to deliver safe environments and innovative solutions that protect and empower those most in need. This is an
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        Job Title Agile Full Stack Developer (Kotlin, TypeScript) You will be working as a full stack developer as part of the Client 360 Technology. * Working full stack with emphasis on the server side (Kotlin). You will work as part of an agile/XP team, using test driven development, pair programming and other XP practices. * Experienced using agile development practices to develop exceptional, robust software; like Test Driven Development, acceptance testing and pair programming - Position Overview - Location London - Corporate Title Assistant Vice President - Client 360 provides the platform for Sales teams to provide a complete service offering to the Banks Clients. The team is working closely with our Business on a new Client Relationship Management an
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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

        Backend Software Engineer / DevOps

        Client Server
        Manchester Industrial Centre, M3
        £70000 - £95000 per annum + benefits
        You could be progressing your career in a senior, hands-on Backend Software Engineer/ DevOps role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Backend Software Engineer / DevOps you'll join a small technology team and take ownership of backend development and DevOps work, there are a range of projects, you'll see the results of your work quickly and be able to input into technical decision making. Apply now to find out more about this Backend Software Engineer/ DevOps (Python AWS Amazon CDK) opportunity. * You have a strong underst
        You could be progressing your career in a senior, hands-on Backend Software Engineer/ DevOps role at a technology start-up that is producing a software suite for legal firms that massively reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Backend Software Engineer / DevOps you'll join a small technology team and take ownership of backend development and DevOps work, there are a range of projects, you'll see the results of your work quickly and be able to input into technical decision making. Apply now to find out more about this Backend Software Engineer/ DevOps (Python AWS Amazon CDK) opportunity. * You have a strong underst
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        NEWPREMIUM

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