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    Senior Python/Java Engineer — Cloud & AI Innovator

    JPMorgan Chase & Co. is looking for a Senior Python Engineer in London to enhance and deliver technology products. This role involves developing secure production code, optimizing semantic search workflows with AI, and serving as a subject matter expert in cloud deployment. Candidates should have advanced Python ...

    Senior Athena Python Engineer Rates Risk & PnL

    A leading global financial services firm is seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer. In this role, you will design, develop, and integrate solutions that support trading desks and back office functions for rates products. Your responsibilities include building robust softw ...

    Senior Full Stack Software Engineer (Python / React)

    Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We’ve delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs everything from our e-commerce engine to our in-house manufactu ...

    Senior Software Engineer – Climate Tech (Python/React)

    Oliver Bernard is hiring a Senior Software Engineer (Python/React) in Greater London to develop software for climate technology initiatives. This role involves full-stack product development and partnership with a small, mission-led team. Candidates should have strong skills in Python and React, though diverse t ...

    Senior Python Engineer, Cloud Native AWS & Serverless

    A modern financial services firm is looking for a Senior Python Engineer to join their team in the City of London. You will help redesign their technology stack to be cloud-native on AWS, focusing on Python-based services. The ideal candidate should possess solid experience in Python and database technologies, a ...

    Senior Python Engineer Remote/Hybrid Backend Architect

    A technology-focused company in Northern Ireland is seeking a Senior Python Engineer. This role involves designing and developing high-quality backend systems using Python and modern frameworks. The ideal candidate will have over 5 years of experience, strong problem-solving skills, and an understanding of cloud ...

    Senior Python Engineer Demo Data Automation (Flexible)

    Global Relay is seeking a Senior Python Software Developer in Greater London to join a dynamic team. In this role, you'll write Python and PowerShell scripts, automate demo data injections, and work closely with cross-functional teams for seamless software delivery. You need over 5 years of Python and 3 years of ...

    Senior Full Stack Software Engineer (Python / React)

    Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We've delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs everything from our e-commerce engine to our in-house manufactu ...

    Senior Python & AWS ML Engineer Production Systems

    A leading financial services firm is seeking a Senior Software Engineer to engineer and deploy innovative machine learning solutions. The role involves collaboration with Data Scientists and development of cloud-based frameworks using AWS and Python. Key responsibilities include maintaining applications, leading ...

    Senior Frontend & Python Engineer – Hybrid Network Automation

    State Street is seeking a highly skilled senior developer in Greater London for full stack development of solutions to automate network technologies. Ideal candidates should have strong proficiency in Python and experience with web frameworks, RESTful APIs, and front-end technologies. The role is hybrid (4 days ...

    Senior Frontend & Python Engineer – Hybrid Network Automation

    State Street in Edinburgh is looking for a highly skilled Senior Developer focused on network automation. You will develop solutions for network technologies using your expertise in Python and full stack application tools. Ideal candidates will possess strong skills in web frameworks, extensive experience with A ...

    Senior Python Engineer: AI Code Migration (Remote)

    Mindrift is looking for a Senior Python Developer in Manchester to create functional black-box tests for AI projects. Candidates should have over 5 years of experience mainly in Python, expert Docker skills, and strong Linux knowledge. You will manage Docker environments, monitor code coverage, and leverage LLM ...

    Senior Backend Engineer (Rust/Python) – FinTech Platform

    A financial technology firm in the City of London is seeking a financial software engineer to join their back-end team. The role involves designing and maintaining cloud-native solutions, working with Rust and Python, and collaborating with stakeholders in the finance sector. The ideal candidate possesses a stro ...

    Senior Python Engineer – Global FinTech Backend (Hybrid)

    Grid Dynamics Holdings is looking for experienced engineers in the Greater London area. The successful candidate will be primarily a Python developer with a strong background in developing global-scale software systems for financial institutions. Responsibilities include building complex systems, developing back ...

    Senior Python AI Engineer — ML, Infrastructure & Deployment

    A leading global online food delivery marketplace is looking for a Senior Engineer to join their Enterprise AI team. In this dynamic role, you will design and deploy AI-powered solutions, optimize data pipelines, and lead technical projects. The ideal candidate will have experience with cloud platforms, strong P ...

    Senior Python Engineer — AI Driven Financial Platform

    Aveni UK is seeking a Senior Software Engineer to develop next-generation AI systems for financial services. This role focuses on building scalable Python services within cloud-native AWS environments and requires strong expertise in production settings. Candidates should have experience with AI and agentic syst ...

    Senior Software Engineer — Python/Django, Own Backend

    A financial services firm in Greater London is seeking a skilled software engineer to develop and enhance their investment reporting platform. The successful candidate will have over 5 years of experience with Python and Django, be involved in the full software life cycle, and collaborate with various teams. Thi ...

    Senior Python Engineer Product Lifecycle Owner (Remote)

    A leading UK-based tech company is looking for a Senior Software Engineer to take full ownership of its software product. This role involves leading development projects from concept to deployment, focusing on quality and scalability. Candidates should have over 5 years of Python experience, strong cloud archite ...

    Senior Python Backend Engineer — AI Forward & Scalable

    A leading retail company in London seeks a Software Development Engineer III to drive high-quality backend service deliveries. This role combines end-to-end product ownership while integrating deeply with existing systems. Candidates should have extensive experience in Python, Fast API, and cloud technologies. Y ...

    Senior Python Engineer — MongoDB, Remote, Open Source

    Canonical Group Ltd is seeking a Senior Software Engineer specializing in Python and MongoDB to create a fully managed MongoDB solution. This role involves building reliable deployments on various cloud platforms and Kubernetes, significantly impacting the product and its ecosystem. The position offers a competi ...

    Senior Python Engineer & Technical Lead (Hybrid UK)

    A digital consultancy is seeking a Senior Python Developer to join their team. This hybrid role involves designing user-centred solutions and providing expertise in software development. Candidates should have strong experience with Python frameworks and AWS, along with excellent communication skills. The positi ...

    Senior Python Backend Engineer — Front Office Platform

    A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-intensive workflows, and improving system design. Candidates should ...

    Senior Python Engineer – AWS, Terraform | Hybrid London

    Oliver Bernard is seeking a Senior Python Engineer in London to design, build, and maintain backend services in a hybrid cloud environment involving AWS and Terraform. The role includes developing CI/CD pipelines and collaborating with cross-functional teams. Ideal candidates will have extensive experience with ...

    Senior Python & Azure AI Engineer (Remote UK)

    A leading AI technology company is seeking a Senior Python Developer to work on an innovative AI platform utilizing Azure. This role involves building AI-first features, collaborating within a dynamic team, and requires strong skills in Python and Azure’s AI tools. The company offers a fully remote work environm ...

    Senior Java/Python Software Engineer – Scalable Systems

    A leading global financial institution is seeking an Experienced Software Engineer to join their Technology team in Bournemouth. The successful candidate will design and deliver scalable technology products, utilizing Java or Python in an agile environment. Responsibilities include developing software solutions, ...

    Senior Backend Engineer Python/Django (Hybrid UK)

    A tech-driven finance company is seeking a Senior Back End Engineer to enhance systems that support its German operations. You will design and build backend services, automate workflows, and influence system architecture as part of a collaborative engineering team. The ideal candidate has extensive experience in ...

    Senior Full Stack Software Engineer (Python / React)

    Skin + Me is a fast-growing, technology-driven start-up on a mission to revolutionise personalised skincare. Our tech team powers all three of our brands (Skin + Me, Hair + Me, and Renew + Me), building everything from our ecommerce platform and internal tools to the systems that run our in-house m ...

    Senior Python Backend Engineer (Hybrid) — Scale & Reliability

    A technology company is seeking a Senior Python Engineer in Ipswich for a hybrid role. This position involves designing scalable backend systems, owning features from discovery to deployment, and ensuring system reliability. The ideal candidate has proven Python experience, a solid understanding of APIs, and wor ...

    Senior Python Engineer AI Driven Engineering Tools

    A leading technology company in the UK is looking for a Senior Software Engineer to join their Engineering Methods & Tools team. The role involves leading software development, designing and maintaining Python-based applications, integrating AI components, and collaborating with multidisciplinary teams. The idea ...

    Senior Software Engineer Quantum Safe Encryption (Python)

    A leading cybersecurity firm located in Belfast is seeking a Senior Python Developer to enhance their Encryption Intelligence technology. The ideal candidate will have significant commercial experience and a deep understanding of Python programming. Responsibilities include developing robust software solutions a ...

    Senior Python Backend Engineer — Fast, Scalable Delivery

    A leading retail company in Greater London is looking for a Software Development Engineer III to take on a senior engineering role. You'll be responsible for shipping backend services and working closely with front end and data science teams to deliver exceptional customer outcomes. The ideal candidate has a str ...

    Senior Python Web Engineer (Django/Flask/FastAPI)

    Low Carbon Contracts Company is seeking a Senior Software Engineer to deliver critical systems for achieving Net Zero by 2050. The role focuses on Python and JavaScript/TypeScript development within a collaborative team. You'll lead design efforts, mentor engineers, and ensure high code quality. Additionally, th ...

    Senior Full Stack Engineer (TypeScript & Python) Hybrid

    Atarus is a fast-growing FinTech organization in Greater London seeking an experienced engineer with 5+ years in designing large-scale systems. You'll work in a true hybrid model with no fixed days in the office, focusing on collaboration and continuous improvement. Benefits include 25 days holiday plus bank hol ...

    Senior Frontend & Python Engineer – Hybrid Network Automation

    State Street in Edinburgh is looking for a highly skilled Senior Developer focused on network automation. You will develop solutions for network technologies using your expertise in Python and full stack application tools. Ideal candidates will possess strong skills in web frameworks, extensive experience with A ...

    Senior Python Engineer for AI Training (Remote)

    Prolific is hiring Senior Python Developers to join their Expert Network, focusing on training and evaluating cutting-edge AI models. Ideal candidates will have a BSc in Computer Science or a related field, extensive experience in Python, and will be responsible for reviewing AI-generated code, validating logic, ...

    Senior Python Systems Engineer Remote Functional Testing

    Mindrift is seeking a Senior Python Developer with over 5 years of experience, proficient in functional testing and Docker. Responsibilities include creating black-box tests for diverse codebases, managing Docker environments for reproducibility, and utilizing LLMs to improve code quality. This freelance role al ...

    Senior Backend Engineer (Go/Python) – Data Pipelines

    Renesas Electronics Corporation is looking for a Back-End Engineer in Cambridge to design and maintain systems and data pipelines for Octopart. The role involves deep technical challenges and high autonomy, with strong collaboration needed. Candidates should have over 5 years of web service development experienc ...

    Senior Python Tools Engineer — TDD & Scalable Tooling

    Stars Arena is looking for a Senior Tools Software Engineer based in London, United Kingdom. The ideal candidate must possess proficiency in Python programming, focusing on scalable, maintainable, and test-driven development. This full-time role involves effective communication with team stakeholders and ensu ...

    Senior Full Stack Python Engineer Commodities & Finance

    Verition Group LLC is seeking an experienced software developer in Greater London with over 6 years in full stack development. The ideal candidate will demonstrate proficiency in server-side Python programming and data analysis using libraries like Pandas, NumPy, and SciPy. A background in the financial industry ...

    Senior UI Infrastructure Engineer (C++/Python tooling)

    Roku, Inc. in Cambridge, UK is seeking a Senior Software Engineer to develop core features for its UI infrastructure. This role requires extensive experience with C++ and Python, alongside a strong ability to contribute to embedded UI framework development. You will collaborate closely with system architects ...

    Senior Automation Engineer (Python, LLM, Spark, ETL)

    Role Overview We are seeking a highly skilled Senior Automation Engineer with expertise in Python, Large Language Models (LLMs), Spark, and ETL development. The role focuses on building intelligent automation solutions, scalable data pipelines, and integrating AI capabilities into en ...

    Senior Python Engineer Climate Tech, Hybrid (Waterloo)

    Propel is seeking a Senior Python Engineer to join their climate tech startup. In this hybrid role, you will own features and systems from discovery through to production, working in a collaborative environment that values strong engineering skills and ownership. The ideal candidate should have experie ...

    Senior Python Engineer — GCP & FastAPI | Hybrid London

    Client Server Ltd. is seeking a Senior Software Engineer (Python GCP FastAPI) to join their talented tech team in London. This role offers a competitive salary up to £100k and flexibility to work from home twice a week in a hybrid model. As a key member of a growing FinTech start-up, you'll work on enhancing ...

    Senior Python AI Engineer – Real Time Recommendations

    Gazelle Global is hiring a Senior Python Engineer based in Greater London. This role involves building and evolving AI-powered services, focusing on improving the quality and relevance of an AI Stylist product. You'll collaborate with engineers, data scientists, and product stakeholders to enhance the system. Es ...

    Senior Python Backend Engineer — Greenfield Apps & Equity

    Client Server is seeking a Senior Python Developer to work on innovative systems related to Arctic exploration in Cirencester. This role offers a salary up to £85k and the opportunity to design and develop data-centric applications. You'll be working in a close-knit team at a tech start-up, focusing on backend s ...

    Senior Python Systems Engineer Remote Functional Testing

    Mindrift is seeking a Senior Python Developer in Birmingham. This remote role focuses on testing and improving AI systems, requiring deep experience in functional testing, Docker, and Python. Responsibilities include creating black-box tests, managing Docker environments, and leveraging LLMs for development. Can ...

    Senior Software Engineer Python, TypeScript and AWS

    External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

    Senior Python Engineer — 6 Month Contract (London)

    Senior Python Engineer (6 Month Contract) London, United Kingdom Posted 9 months ago Responsibilities Senior Python Engineer to support an interesting project on a six‑month contract. The ideal candidate is able to ramp up quickly and get stuck in with the team. <h3 ...

    Senior Data/ML Engineer Python/Databricks/GCP

    Location: London DW Search are partnering on a high-impact contract opportunity within a fast-paced, data-driven environment supporting portfolio company initiatives for a major asset management firm. This role sits at the intersection of Data Engineering and Machine Learning Engine ...

    Senior Python Engineer Global Scale FinTech Backends

    JUXT is seeking experienced engineers to join our client projects in Greater London. You'll be responsible for engineering global scale software systems in banking, hedge funds, and other financial institutions. The ideal candidate should be a seasoned Python developer with experience in building transformati ...

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