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        1 Contract 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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        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
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        As a Senior Full stack Engineer for the SDK team, you will join a talented and collaborative team dedicated to building resilient, scalable, and delightful systems and experiences for our customers. * Collaborate closely with product designers, product managers, and engineers to deliver end-to-end experiences that delight customers. * Guide and mentor engineers, helping them manage technical debt, plan refactors, and improve engineering practices. * A strong ability to design and build for scalability, reliability, and performance across the stack. * Minimum 4 years of professional experience in software engineering, with significant exposure to both backend and frontend development. * Demonstrated ability to design and implement scalable, secure, and high-performing systems across th
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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
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        Senior Software Engineer

        Platform Recruitment Limited
        London
        Up to £160,000 per annum
        Title: Senior Software Engineer (Driver/API) * 6 years+ as a Driver Engineer Company: HPC R&D - Location: London (mostly remote) Pay: Up to £160,000 + bonus and benefits - An advanced HPC R&D firm, looking to expand their GPU Driver 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 spearheading much of their 2025 development. Much of the team will be built around you, and significant hires have already been made. You will develop, optimise and maintain their GPU driver stack, focusing on the performanc
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        Python Developer - Operations

        Feenicks Ltd TA Archway International
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        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
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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
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        Software Engineer

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        EC1, City of London
        Up to £90,000 per annum
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        Software Developer - Active SC, Python, AWS

        Hays
        London
        £400.0 - £425.0 per day + up to £425 per day (InsideIR35)
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        Full Stack Developer

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        £70000.00 - £85000.00 per annum + Progression + Training
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        £80000 - £135000 per annum + + bens + shares
        Software Engineer, Senior Software Engineer, AI Engineer, AI Developer, Python Developer, Full Stack Engineer, Backend Engineer, Generative AI, LLMs, LangChain, RAG, Microservices, CI/CD, GitHub Actions, Cloud Engineering, AWS, GCP, Azure, Vector Databases, Data Pipelines, Applied AI. We're working with a leading AI consultancy - one of only four global partners of OpenAI - to hire talented Software Engineers (backend or full stack) to join their London team. * Strong software engineering background (backend or full stack) Senior Software Engineer (AI Focus) - £80k-£1
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        Senior Software Engineer

        Asset Resourcing
        Willowbank, UB8 1AL
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        Senior Software Developer

        Tech 4
        E10, East London
        From £64,000 to £70,000 per annum + excellent benefits
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        Senior Software Engineer

        Bright Purple Resourcing
        SW2, South West London
        up to £70,000
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        Collaborating as part of a cross-functional team of backend, front-end, and full-stack engineers. Thought Machine software engineers work across the stack to solve complex engineering problems that have not been solved before. Software Engineers will take complete ownership of a requirement, converting it into an engineering design, task breakdown, and implementation. Software engineers are expected to bridge the gap between back-end and front-end, crafting delightful experiences that delight all our clients. Software Engineering is a key role within Thought Machine. This is a full-time, permanent position based in our London office, requiring three days a week onsite, with the option to work four day
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        Lead Software Engineer

        GMA Consulting
        G2, Glasgow
        £50,000-£60,000K base + bonus and benefits
        Is for a talented Lead Software Engineer to join our team and take ownership of delivering high-quality solutions for our clients. Is a Scottish based consulting business that is a leader in its field providing software solutions to customers across the globe. · Lead by example in coding, architecture, and solution design. · A proven track record in software engineering and solution delivery. · A passion for building high-quality, scalable software. This is a hands-on technical leadership role where you'll set the standard for engineering excellence, mentor developers, and represent the technical face of the company in client projects - What You'll Do · Act as the primary technical point of contact for client engagements. · Translate client requirements into scalable, elegant solution
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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
        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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        FEATURED
        As a Python Software Engineer, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. A Mid Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from you. Youll work closely with experienced engineers, product managers, and data scient
        As a Python Software Engineer, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. A Mid Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from you. Youll work closely with experienced engineers, product managers, and data scient
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