Senior Fullstack Engineer Java Python Jobs in UK

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Senior Python Engineer MongoDB Cloud & Open Source

A leading open-source technology company in Glasgow is seeking an experienced Python developer to contribute to a fully managed MongoDB solution. This role requires strong programming skills in Python and experience in managing MongoDB clusters. Join a small team making a significant impact on product developmen ...

Senior Python Engineer Real Time Data & Observability

A software company in London is seeking a Senior Developer to join their engineering team focused on quick delivery and practical problem-solving. Key responsibilities include building integrations and maintaining real-time data feeds, along with production ownership. The ideal candidate has strong Python experi ...

Senior Software Engineer – Python, AWS, Scalable Systems

A forward-thinking technology company is seeking a Senior Software Engineer to join their collaborative engineering team. The ideal candidate will have strong Python experience and be comfortable designing scalable systems. Responsibilities include writing maintainable code and influencing architecture decisions ...

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 Backend Engineer Python (Institutional) | Hybrid & Equity

A leading technology firm in London is seeking Back-End Engineers to develop innovative software solutions for their growing institutional services. Ideal candidates will have a degree in Computer Science, 1-7 years of experience, and familiarity with technologies like Python and SQL. The role offers a hybrid wo ...

Senior Backend Engineer Python, AWS, APIs (Hybrid)

A leading global communications firm in the City of Westminster is seeking a Software Developer Back End to design and operate scalable APIs and data systems on AWS. This full-time hybrid role offers a competitive salary and benefits, including 27 days holiday, private healthcare, and various allowances. The ide ...

Senior Software Engineer – AWS/Python Systems Architect

A digital bank in the UK is searching for an experienced engineer to lead technical deliveries and coordinate designs for features. The successful candidate will have strong skills in Python and AWS services, alongside experience with Agile methodologies. Responsibilities include writing high-quality code, manag ...

Senior Python/AWS Engineer Build Cloud DevTools

A leading developer tools company in the UK is seeking a Senior Software Engineer to enhance their AWS cloud emulator. The ideal candidate has 3+ years of experience in Python development, demonstrates expertise in AWS services, and possesses problem-solving skills. Responsibilities include collaborating with pr ...

Senior Python Engineer MongoDB Cloud & Open Source

A leading open-source company is seeking an experienced Python developer in Manchester to build a fully managed MongoDB solution utilizing Juju. You will have a significant impact on product reliability and security within a small, dedicated team. Ideal candidates will possess strong Python and MongoDB managemen ...

Senior Product Engineer Python | UK (remote + hybrid)

Overview About Cleo: At Cleo, we're not just building another fintech app. We're on a mission to fundamentally change humanity's relationship with money. Imagine a world where everyone, regardless of background or income, has access to a hyper-intelligent financial advisor in their pocket. < ...

Senior Python Engineer for Production Algorithms & RF

A leading technology company in Cambridge is seeking an engineer with strong Python skills to translate algorithmic proofs into robust production software. The ideal candidate will have an academic background or equivalent experience and a proven track record in refining complex algorithms, particularly in signa ...

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 – FinTech (Remote/Hybrid, Equity)

A leading fintech company in the UK is seeking a Senior Python Developer to join their innovative technology team. This role offers a hybrid working environment where you will design and develop mission-critical systems, contributing significantly to the investment operations. The ideal candidate has over 5 year ...

Senior Python Backend Engineer | Hybrid, APIs & Growth

A dynamic tech scale-up in England is looking for Mid and Senior Python Developers to join its back-end team. You will implement scalable solutions, design REST APIs, and ensure code quality in a collaborative setting. This full-time role offers a competitive salary of £60,000 - £80,000, hybrid working options, ...

Senior Python Engineer Lead Medical Tech Platform

A technology company specializing in healthcare is searching for a technical leader to enhance medical innovations. In this role, you will develop solutions that improve healthcare outcomes while fostering best practices across multiple teams. Candidates should have strong technical skills and experience in ment ...

Senior Market Data Engineer — C++/Python, Hybrid

A leading data analytics firm is seeking a Senior Developer to build and maintain data parsers for market data. The role requires experience in C++ and Python, with a background in financial market data. Responsibilities include owning development projects and delivering new solutions. The company offers competi ...

Senior ML Engineer — High Performance Python & HPC

A technology company in the United Kingdom is seeking a Machine Learning Engineer to join their modeling engineering team. The role involves converting trading models into production systems, designing necessary tooling, and supporting strategy research and development. The ideal candidate will have a strong fou ...

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 Lead Engineer React/Python: Tech Coach

A leading global financial services firm is seeking a Senior Lead Software Engineer - React/Python to impact their Corporate Technology team. This role involves providing guidance and technical coaching to agile teams, aligning technology developments with corporate strategy, and fostering an inclusive team cult ...

Senior Software Engineer Haskell/TS/Python, Hybrid

A leading technology firm in London is seeking a Senior Software Engineer to explore new product areas and scale existing products. Candidates should have production experience in Haskell and be familiar with Typescript and Python. The role involves mentoring team members and guiding technical initiatives within ...

Senior Software Engineer, Python & Full Stack (Hybrid)

A dynamic skincare technology firm in London seeks a mid-level to senior Software Engineer for a hybrid role. Responsibilities include collaborating on full-stack development and delivering robust solutions in a fast-paced environment. Candidates should be proficient in Python and familiar with web development a ...

Senior Backend Django/Python Engineer — Fintech Ownership

A leading fintech company in London seeks a Backend Developer to design and develop efficient server-side components. The role requires a solid understanding of microservices architecture and experience in high-scale startups, ideally with 5-7 years of backend system experience. Candidates will collaborate close ...

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 — Fintech Scale & Impact, Equity

A leading fintech company in Greater London seeks a Senior Python Engineer to design and develop automation for core financial operations. The ideal candidate has over seven years of experience in software engineering, strong skills in Python and SQL, and the ability to collaborate effectively with business stak ...

Senior Backend Engineer Python/Django for FinTech

A financial technology firm is seeking a Senior Backend Software Engineer to join their Investor Solutions team in Basingstoke, UK. The role involves collaborating with product owners and engineering teams to deliver innovative solutions within a complex, data-driven environment. Candidates should have extensive ...

Senior Python Test Engineer – Data Center Automation

A leading semiconductor company in Cambridge seeks a Python Developer in Test to enhance system-level validation of networking technologies. The role involves designing automated tests and analyzing product performance under various conditions. Candidates should possess strong Python skills, an understanding of ...

Senior Embedded Security Software Engineer (C/Python)

A security solutions company in Cambridge seeks a Senior Software Developer skilled in C and Python for embedded systems. Responsibilities include designing and testing next-gen cryptographic Hardware Security Modules. Candidates should have a degree in a relevant field and experience in Linux environments. This ...

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 Backend Engineer | Lead Scalable Python Systems

An innovative Ed-Tech company based in the United Kingdom is seeking a Senior II Backend Engineer. You'll be responsible for setting technical direction and leading projects within the engineering team. The role emphasizes collaboration across various teams while developing robust backend systems primarily using ...

Senior Python/Go Engineer – Terraform & ML (Contract)

A software development company in London is looking for Senior Software Developers/Engineers skilled in Python, Terraform, and Go. Ideal candidates will have 7 to 10 years of experience and proficiency in Machine Learning. This contract role offers competitive compensation along with benefits. If you're eager to ...

Senior Backend Engineer (Python) — Architect & Mentor | Hybrid

A leading insurance technology company based in London is seeking a Staff Backend Engineer. The role involves driving technical leadership in Python-based backend systems while mentoring engineers across multiple squads. Candidates should have deep experience in scalable distributed systems, excellent leadership ...

Senior Python Engineer — Cloud Native, AWS, Hybrid

A leading energy company is seeking a Senior Software Engineer to join their dynamic team in Oxford, working in a hybrid model. In this role, you will design and develop high-quality Python code for scalable systems, mentor engineers, and collaborate on cloud-native services. Ideal candidates will have significa ...

Senior Python Engineer — Real Time Data Pipelines

A fast-growing technology company in the United Kingdom is looking for a mid-senior level data engineer. The role involves designing and building data pipelines using Python, ensuring uptime and fault tolerance. Candidates should have expertise in distributed systems and a passion for continuous learning. The po ...

Hybrid Senior Software Engineer – Python & Cloud Lead

A forward-thinking technology firm in London seeks a Senior Software Engineer to enhance complex cloud-based platforms in the renewable energy sector. This role involves contributing to technical design and mentoring peers, impacting national critical infrastructure. The ideal candidate has a strong background i ...

Senior Software Engineer – Python/Django & Tech Lead

A mission-driven renewable energy organization in the UK is seeking a Senior Software Engineer to join their core engineering team. In this role, you will build and scale high-performance, cloud-based applications while contributing to technical design, architecture, and engineering standards. The ideal candidat ...

Senior Test Automation Engineer Python & CI/CD

A leading financial services firm in Southampton is seeking a talented Senior Associate to enhance their testing and quality assurance capabilities. The ideal candidate will have expertise in various test automation tools, strong Python programming skills, and familiarity with CI/CD pipelines and DevOps principl ...

Senior Python Engineer — AI‑Augmented Cloud Backend

A leading cloud solutions provider in the UK is seeking a Senior Python Developer to join their innovative team. The role involves designing and maintaining backend services, utilizing AI-augmented coding tools for efficiency, and ensuring high-quality code through TDD practices. The position supports a hybrid w ...

Senior Python Full Stack Engineer – Cloud & Scalable

A leading technology firm in the UK is seeking a Full Stack Python Engineer to join their collaborative team. The ideal candidate will have at least 4 years of Python experience and strong skills in JavaScript and TypeScript. Responsibilities include designing scalable software solutions and leading code reviews ...

Senior Python Engineer — Financial Systems & Data Pipelines

A technology-enabled advisory firm is seeking a Python Software Engineer to join their Client Success Team. In this role, you will drive the delivery of high-impact features for the Validus Horizon platform. You will work cross-functionally, translating complex requirements into robust solutions, while mentoring ...

Senior Python AI Engineer: GenAI Platform Lead

A global investment firm in Greater London seeks a high-performing Senior Python Engineer. This role focuses on leveraging AI and Machine Learning to enhance investment strategies. You will design and maintain the AI platform, collaborating with various teams. Candidates should have advanced Python skills, exper ...

Senior Backend Engineer Cloud Microservices (Python/Golang)

A leading fintech company in Greater London is seeking a skilled Back End Engineer to contribute to the development of their core product. You will design and develop scalable microservices while ensuring production readiness and high standards. The ideal candidate has experience in Python or Golang and is famil ...

Senior Backend Engineer – Python, FastAPI & SQL (Azure)

A leading technology provider in London is seeking a Backend Software Engineer specializing in Python and FastAPI. You'll design and develop backend services, working mainly in a hybrid environment with three days per week at the office. The role offers a competitive salary of up to £95k plus bonuses and a range ...

Senior Backend Engineer | C#/Python, AWS & APIs

An air quality intelligence company in the UK is seeking a Senior Backend Developer to join its team. This role encompasses designing and maintaining backend services using C# and Python, developing RESTful APIs, and contributing to system architecture. The ideal candidate has 5-8 years of experience and a stron ...

Senior Python/React Full Stack Engineer Remote

A mission-led consultancy is seeking a Full Stack Python/React Developer to join their agile team. The role involves designing secure software systems, building APIs, and leveraging modern tech in a collaborative environment. Required skills include strong Python and React experience, as well as familiarity with ...

Senior Python Modelling Engineer for Scalable Models

A leading energy consultancy in Oxford is actively seeking a Senior Model Developer to enhance their Python codebase for modelling software. This role focuses on writing clean, maintainable code while developing enhancements that improve the developer experience and ensure robust functionality. Candidates should ...

Senior Python Engineer – FinTech, Remote, Stock & Bonus

A FinTech company in the United Kingdom is seeking a Senior Python Developer to join their talented engineering team. In this role, you will design and develop complex systems while writing scalable code to improve performance of their Python applications. Candidates should possess over 6 years of experience in ...

Senior Python Engineer Cloud Native AWS FinTech

A leading financial services firm in London is seeking a Senior Python Engineer to join their team, focusing on designing and developing cloud-native solutions on AWS. The role requires solid Python expertise, a collaborative spirit, and experience with SQL and NoSQL databases. The company values a great enginee ...

Senior Python Engineer, Market Risk Tech (EMEA)

A leading global financial services firm in Greater London is seeking a dynamic Python engineer to partner with Market Risk stakeholders. The ideal candidate will lead solutions from ideation to production, focusing on automation, collaboration, and operational stability. Strong Python skills, an understanding o ...

Remote Senior Backend Engineer — APIs, Python, GraphQL

A tech-forward company in London is seeking a senior back-end engineer to develop and maintain APIs for their innovative platform. This remote role demands a strong technical background in Python and GraphQL, with at least 3 years of engineering experience. Benefits include medical insurance, a flexible time off ...

Senior Python Engineer Front Office Analytics & Trading

A leading technology recruitment company is seeking a Senior Python Developer based in London. The role demands an expert in Python with strong DevOps and data processing capabilities. Key responsibilities include designing high-performance financial software and mentoring junior engineers. Candidates should hav ...

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    Senior Fullstack Engineer Java Python Jobs in United Kingdom Job Search Guide, Trends and Insights