Senior Fullstack Developer React Python Jobs in UK

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Senior Alveo Developer: AWS Cloud & Market Data Pipelines

EPAM Systems is seeking a Senior Alveo Developer to lead the design and optimization of market data unification processes in a dynamic financial environment. The ideal candidate will have hands-on experience with Alveo or similar data management platforms, strong programming skills in Java, Python, or Scala, and ...

Senior Developer Lead Satellite Solutions (SC Clearance)

ISR Recruitment is seeking a Senior Developer in Redhill, Surrey, to lead a team in system design and development for a satellite communications provider in the MOD sector. The position requires good programming skills in Linux, MySQL, Python, PHP, and more, along with an ability to work individually and within ...

Automation Test Engineer Connected TV Platform

FX Digital is seeking a Mid-level Software Developer in Test to join their Quality Engineering team in London. This role focuses on ownership of automation frameworks and CI pipelines, working closely with senior engineers and mentoring juniors. The ideal candidate has over 2 years of test automation e ...

Senior Market Data Engineer – EOD Pricing & Risk

A leading global investment bank is seeking a Senior Market Data Developer to design solutions for sourcing and storing end-of-day market data for pricing and risk calculations. Candidates should have 7+ years of experience in application development, strong skills in Python and SQL, along with familiarity with ...

Senior Backend Engineer — AI Powered Platform (Onsite Bristol)

A dynamic start-up in Bristol is searching for a Senior Backend Developer with strong Python expertise and experience in AI integration. The candidate will design scalable backend systems, mentor junior developers, and ensure high performance and security standards. Responsibilities include developing AI-powered ...

Senior Software Engineer Creatures Tools & Pipelines Lead

A leading visual effects company is looking for a Senior Software Developer to join their team in Greater London. This role involves software development and team management, contributing to the development of frameworks and tools for Creatures technology. Ideal candidates should have strong skills in C++ and Py ...

Senior Tools Engineer: Build Scalable, Cross Game Tools

A leading gaming company in Greater London is seeking a Senior Tools Developer to innovate and maintain their tooling infrastructure. The role involves designing tools and collaborating with diverse teams to optimize workflows across projects. Ideal candidates will have excellent C++ and Python skills, strong co ...

Senior Software Developer & Team Lead — VFX Rigs & Tools

A leading visual effects company in Greater London is seeking a Senior Software Developer to lead a team in creating innovative technology for visual effects and feature animation. The ideal candidate will have strong programming skills in C++ and Python and experience with Maya or Houdini SDKs. Responsibilities ...

Senior Backend Architect for Global, High Performance Systems

ZeroLight is seeking a Senior Back End Developer in Newcastle upon Tyne. This role focuses on architecting systems and delivering technical solutions for global partners. Candidates should have 5-10 years of experience in software engineering with deep expertise in Python and Node.js, along with a solid understa ...

Senior Software Developer — Remote AI Driven SAP Automation

Avantra is seeking a Senior Software Developer to join their dedicated team. The role involves full-stack development primarily using Java, Kotlin, Python, and TypeScript. You'll work to enhance core code functionalities, focusing on generative AI capabilities and collaborating with international teams. Candidat ...

Senior Backend Engineer for AI Powered SaaS

A fast-growing AI company in London is seeking a Back-End Developer to design and maintain systems for their innovative AI-powered products. You will collaborate with senior engineers and data scientists, optimize performance, and contribute to system enhancements. Ideal candidates will have 3-5 years of back-en ...

Senior BI Engineer Cloud Data Platform & Power BI

Nigel Frank is seeking an experienced Senior BI Developer in Northampton to support the design and optimisation of cloud-based data platforms. The role involves developing scalable ETL/ELT pipelines, Power BI datasets, and mentoring junior developers. Candidates should have hands-on experience with Microsoft Fab ...

Senior Quant Developer: Pricing, Risk & Models Lead

TradingHub is seeking a Senior Quantitative Developer (VP) to lead in designing, building, and validating pricing models. This role requires a mix of strong mathematical skills, proven experience in financial markets, and proficiency in programming languages like C# and Python. The ideal candidate will work on v ...

GenAI Senior Lead Developer — AI Enablement & Full Stack

Broadridge is seeking a Senior Lead Developer to join our AI Enablement Team in Greater London. The role involves designing and implementing solutions to enhance AI capabilities, focusing on GenAI projects. Candidates should have a degree in a relevant field and at least 7 years of experience in IT solutions, wi ...

Senior Platform Engineer ML/GenAI Infra, Equity (Hybrid)

Dex is seeking a Senior Platform Engineer in London, offering up to £200,000 + equity. The ideal candidate will have a track record of building platforms for engineering teams, with expertise in languages like Python or Go. Responsibilities include designing and operating core services, and owning developer expe ...

Lead AI Platform Engineer: Build Scalable Agentic Systems

A technology firm is seeking a Senior AI Platform Engineer to help build AI-driven simulation software for engineering and manufacturing. The successful candidate will implement advanced infrastructure, ensuring robust developer experiences while managing key initiatives. Candidates should have over 3 years of r ...

Senior Backend Python Engineer – Scale & Impact (Hybrid, London)

A leading grounds maintenance company is seeking a Senior Backend Developer to join a product-focused engineering team. You will design and build backend applications that support complex workflows. The role combines exciting challenges in a hybrid working environment, fostering professional growth with clear ca ...

Senior Full Stack Developer (Java)

Job DescriptionSenior Full Stack Developer (Java)Permanent UK‑Based - West Midlands (Hybrid working)SC Clearance EligibleAre you a seasoned Java Full Stack Developer who enjoys building high‑quality solutions, mentoring others, and working on meaningful projects?At TXP, we’re ...

Lead Fullstack Engineer — AI Driven Fintech Platform

Oliver Bernard is seeking a Lead Fullstack Engineer to work with an exceptional AI-driven fintech organization. This role offers the chance to engage with advanced distributed systems while focusing on both frontend and backend development. Ideal candidates will have substantial experience in TypeScript and Node ...

Senior Software Engineer

Senior Software Engineer | London | Hybrid | Tech for Good Location: London (hybrid) Salary: £80,000 to £95,000 + equity + benefits Tech stack: • Python (Django, Flask or FastAPI preferred) • ...

Java Engineer for Sports Betting Hedge Fund — London

A leading technology firm in London is looking for a Java Software Developer to join a mid-senior level team in an exciting sports betting startup. The successful candidate will collaborate closely with quantitative researchers and talented engineers to build data integrations and support trading models. Ideal a ...

Product Engineer

About you You’re a product engineer who leans front-end but is comfortable diving across the stack. You thrive in startup environments, have strong technical chops (React / Next / Node / TypeScript required), and you want to build tools and experiences that empower others. You’re excited by exper ...

Founding Fullstack Engineer at VC backed healthtech AI startup

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is to speak to Jack. Founding Fullstack Engineer Company Description VC-backed healthtech AI startup <h3 ...

Lead Fullstack Engineer Scalable HR Platform (Equity)

Zelt, based in Greater London, is seeking a Lead Fullstack Engineer to design and maintain scalable applications across their innovative platform. You will own features from design to delivery, collaborating with product and design teams to ensure alignment with user needs. We are looking for someone with signif ...

End to End AI Product Engineer — London

Radley James is searching for a strong fullstack engineer with TypeScript and Next.js expertise to join a fast-growing AI startup in London. You will build fullstack features across web and mobile and collaborate closely with users in the field to design systems that handle unstructured data. The ideal candidate ...

Full Stack Developer (remote or hybrid)

Affinity Labs: Full Stack Engineer At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of monetisation by rap ...

Full Stack Developer (Hybrid/Remote)

Affinity Labs: Full Stack Engineer At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of monetisation by rap ...

Full Stack Engineer (hybrid or remote)

Affinity Labs: Full Stack Engineer At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of monetisation by rap ...

Full Stack Developer Hybrid/Remote Working

Affinity Labs: Full Stack Engineer At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of monetisation by rap ...

Full Stack Developer PART TIME

Affinity Labs: Full Stack Engineer At Affinity Labs, we’re building a full-stack AI venture studio that partners with content creators to co-found authentic, scalable software businesses. By combining AI-native development with creator-led distribution, we're pioneering a new model of monetisation by rap ...

Frontend Java Developer Fintech in London Quant Capital

Frontend Java Developer – Fintech £90,000 Plus 10% to 40% Quant Capital is urgently looking for a Frontend Java Developer to join a well-known trading firm. No experience of finance is needed; finance isn’t what this firm does, tech is. Our client is innovative and accountable. Add ...

Remote Java Developer SC Cleared, Microservices Hays

Java Developer – SC Cleared, Microservices Up to £550 per day (Inside IR35)London / Remote (Occasional travel) My client is looking for a Java Developer with Active SC Clearance to work on a business-critical programme ASAP. Key Requirements: Strong understandin ...

Full Stack Engineer / Technical Lead B2B SaaS

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote – up to £130k. Opportunity for a full stack technologist to join a highly regarded provider of serverless real‑time infrastructure for the Internet that processes billions of messages a day and powers everything ...

Senior Software Engineer

Join an exciting journey with a rapidly expanding AI-driven cybersecurity innovator. I am looking for a Senior Software Engineer to join my client’s dynamic team. With a salary of up to £105,000 plus enticing stock options and hybrid working from London. My client’s cutting-edge SAAS solution is trus ...

Senior Software Engineer

Join an exciting journey with a rapidly expanding AI-driven cybersecurity innovator. I am looking for a Senior Software Engineer to join my client’s dynamic team. With a salary of up to £105,000 plus enticing stock options and hybrid working from London. My client’s cutting-edge SAAS solution is trus ...

Senior Software Engineer

Senior Software Engineer Department: Tech - Software Development Employment Type: Permanent - Full Time Location: Oxford, UK Description Based in Oxford, you will work as part of a fun and highly experienced and growing Software Team building i ...

Senior Software Engineer

Senior Software Engineer Do you have the right skills and experience for this role Read on to find out, and make your application.Tech: TypeScript / Kotlin. Back End Agnostics welcome. Office : Remote, but meet up once a month ...

Senior Software Engineer

Software engineer – Energy Tech | £90k | Hybrid London (1 day a week) We’re looking for Software engineers to join a small, elite team building the future of home energy management. This isn’t a job for feature‑chasers or those who want to hide behind tickets, you’ll take full ownership of the co ...

DevOps Security Engineer

About Legacy Legacy is an easy-to-use, non-custodial Web3 wallet designed to protect digital assets through beneficiary protection and seamless DeFi access. Users can swap across chains, earn yield in one click, and safeguard wealth for the next generation. About The Software Division </ ...

Senior Python AI Engineer for Live Recommendations (Hybrid)

Mindera is looking for a Senior AI Engineer to join their team responsible for the AI Stylist, a live, AI-driven product. This production-focused role requires strong Python skills and experience with AI applications, particularly in recommendations. The position involves collaborating with engineers and data sc ...

Senior SRE: Java/Python for Secure Collaboration Platforms

A global financial services firm is seeking a Site Reliability Engineer III to lead the integration of collaboration platforms like Microsoft 365 B2B and Google Workspace. The role includes managing secure external sharing solutions and ensuring platform reliability. Candidates should have a BS/BA and hands-on e ...

Senior Structural Engineer — Design Leadership with Python Skills

Stars Arena is seeking a Senior Structural Engineer to work in Epsom, United Kingdom. The role is full-time and offers a competitive compensation package. The ideal candidate should possess strong interpersonal and communication skills and the ability to adapt to diverse working environments. Knowledge of Python ...

Senior Embedded Software Engineer – C/C++, Python & SQLite

Java Script Works is searching for a Senior Embedded Software Engineer to join their team in Eastleigh, United Kingdom. This full-time role requires a Bachelor’s degree in engineering and extensive software development experience, particularly in C++. Familiarity with tools like Node.js, Python, and SQLite is de ...

Remote Senior Python Engineer — Public API & AI Backend

Photoroom is seeking a Senior Python Engineer for its Public API team. The role involves designing and evolving our public API product, crucial for accessing Photoroom's AI capabilities. Candidates should have strong backend experience in Python and skills in API design, particularly with FastAPI. The position s ...

Senior Python AI Engineer — ML/AI Infrastructure Lead

A leading online food delivery company in the UK is hiring a Senior Engineer to join their Enterprise AI team. You will design, develop, and deploy scalable AI applications, guide projects, and mentor team members. Ideal candidates should have strong experience in Python, cloud platforms like AWS, and an interes ...

Senior Python Engineer Real Time Data, Remote & Equity

Vortexa Ltd is seeking a talented engineer to design and build robust data processing infrastructure in a fast-paced environment. The role includes ensuring data pipeline reliability and collaborating with engineers and data scientists. Candidates should have experience in Python, distributed systems, and backen ...

Senior Python Engineer: Real Time Data Pipelines (Remote)

Vortexa, a fast-growing technology company in Greater London, is seeking a skilled developer to design and build scalable data pipelines and applications. Candidates should be fluent in Python, experienced with distributed systems and excited about working in a dynamic startup environment. Responsibilities inclu ...

Senior Embedded Software Engineer – C/C++, Python & SQLite

Java Script Works is searching for a Senior Embedded Software Engineer to join their team in Eastleigh, United Kingdom. This full-time role requires a Bachelor’s degree in engineering and extensive software development experience, particularly in C++. Familiarity with tools like Node.js, Python, and SQLite is de ...

Senior Data Platform Engineer I Database Platform Python

Job Description Wise is a global technology company building the best way to move and manage money worldwide. Your work will help create an entirely new network for the world's money, enabling a smooth international payment experience. Role Overview You will join the Database Pl ...

Senior Python Data Engineer for Audit & Risk Analytics

Apexon seeks a skilled Python Data Engineer to join our Birmingham office. This role involves designing and maintaining data solutions for audit and risk assessments. Candidates should have over 7 years of experience in data engineering, strong Python and SQL skills, and familiarity with data modeling tools. The ...

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    Senior Fullstack Developer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights