Senior Full Stack Developer React Python Jobs in UK

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Software Engineering Manager

I am delighted to be working with a revolutionary AI DAM Startup that is growing and now looking for its first Software Engineering Manager in the UK. This is an exciting position which offers growth, the opportunity to take ownership and build a team, alongside being involved across the business and full sof ...

Software Engineering Manager

I am delighted to be working with a revolutionary AI DAM Startup that is growing and now looking for its first Software Engineering Manager in the UK. This is an exciting position which offers growth, the opportunity to take ownership and build a team, alongside being involved across the business and full sof ...

Software Engineer Web/React & C# (Hybrid, Bioprocessing)

Sartorius is seeking a Software Engineer for the Process Automation team in Royston, England. This full-time role focuses on building modern web components for bioprocessing products, focusing on C#/TypeScript and collaborating with product management. The position offers a hybrid working model, profes ...

Frontend Engineer React UI for Scalable Apps

A leading software development company in the UK is seeking a Frontend Software Engineer to build and enhance modern React applications. The role demands solid experience in React and JavaScript/TypeScript, alongside familiarity with state management tools like Redux. The ideal candidate will thrive in a collabo ...

Staff Data Platform Engineer — Real Time, AI Driven (Remote)

Yuno is seeking a Staff Engineer to join our data team, focused on enhancing payment infrastructure for global operations. With a modern tech stack, you will design reliable data pipelines and lead projects end-to-end, ensuring data quality and compliance. We're looking for someone with 8+ years of experience, s ...

Founding Software Engineer, Autonomous Drone Perception

Seeing Systems (YC W26) is hiring a Founding Software Engineer to design and build the core autonomy stack for their autonomous drones in Greater London. This technical role involves developing perception and state estimation systems as well as building algorithms in simulation environments. Candidates should ha ...

Senior Data Platform Architect Remote UK

Oritain is seeking an experienced Data Engineering Lead to define the architectural strategy for a modern data platform. This remote role requires over 7 years in data engineering and expertise in Databricks, Azure data stack, SQL, and Python. The candidate will design ETL pipelines, maintain data integrity, and ...

Lead Software Engineer: Scale & Inspire Teams

Tailsco Ltd, located in Richmond, is seeking a Lead Software Engineer to deliver high-quality software supporting their Operations team. The role entails leading a cross-functional squad, focusing on technical direction and project delivery. You will work with a modern tech stack including Vue.js and Python whil ...

Lead Software Engineer, Real Time Performance Systems

Atlassian Williams F1 Team is seeking a Lead Software Engineer for the Performance Technology group in the UK. The role involves leading a team of engineers and making architectural decisions across a diverse stack, including C++, Rust, and Python. Ideal candidates should have 10+ years of software development e ...

Senior Staff ML QA & Test Infra Engineer — Flexible Work

A leading AI compute company in the United Kingdom is seeking an experienced software engineer to work on the ML software stack. This role involves designing and maintaining test infrastructures, collaborating with software development teams, and mentoring junior engineers. Candidates should have strong proficie ...

Senior Data Platform Architect Remote UK

Oritain is seeking an experienced Data Engineering Lead to define the architectural strategy for a modern data platform. This remote role requires over 7 years in data engineering and expertise in Databricks, Azure data stack, SQL, and Python. The candidate will design ETL pipelines, maintain data integrity, and ...

Founding ML Engineer: Build a Living Semantic Layer

JetBrains is looking for a top-class ML Engineer to shape the future of software development through AI and ML technologies. You will define the research agenda and own the AI engineering stack. Responsibilities include designing LLM solutions and establishing MLOps practices. The ideal candidate should have at ...

Autonomous Drone Software Engineer Intern

Seeing Systems (YC W26) is hiring a Software Engineering Intern in Christchurch, England, to design and build the core autonomy stack for drones. This role involves hands-on work across perception, planning, and systems infrastructure, with direct collaboration with the founders. Ideal candidates will possess st ...

Senior Staff ML QA & Test Infra Engineer — Flexible Work

A leading AI compute company in the United Kingdom is seeking an experienced software engineer to work on the ML software stack. This role involves designing and maintaining test infrastructures, collaborating with software development teams, and mentoring junior engineers. Candidates should have strong proficie ...

Senior ML Benchmark & QA Engineer

A leading AI technology firm in Bristol seeks an experienced ML Engineer to test and validate a complex ML software stack. The ideal candidate should have strong proficiency in Python and experience with industry-standard ML frameworks like PyTorch and TensorFlow. Responsibilities include benchmarking ML models, ...

Lead Software Engineer, Real Time Performance Systems

Atlassian Williams F1 Team is seeking a Lead Software Engineer for the Performance Technology group in the UK. The role involves leading a team of engineers and making architectural decisions across a diverse stack, including C++, Rust, and Python. Ideal candidates should have 10+ years of software development e ...

Lead Software Engineer: Scale & Inspire Teams

Tailsco Ltd, located in Richmond, is seeking a Lead Software Engineer to deliver high-quality software supporting their Operations team. The role entails leading a cross-functional squad, focusing on technical direction and project delivery. You will work with a modern tech stack including Vue.js and Python whil ...

Build Engineer ML Software Stack & Tools

A leading technology company in the UK is seeking a Software Infrastructure engineer to develop and manage tools for the Machine Learning Software Stack. The role involves working closely with QA and development teams on build practices, tooling, and releases. Essential skills include proficiency in Python or C+ ...

Software Engineer / Developer

Software Engineer / Developer – Corgi Insurance Corgi Insurance is a YC-backed insurtech ($108M raised, $630M valuation). We're building AI-powered business insurance from the ground up and need engineers who can move fast. What You Will Do Build and maintain our Django-ba ...

Software Engineer / Developer

Software Engineer / Developer – Corgi Insurance Corgi Insurance is a YC-backed insurtech ($108M raised, $630M valuation). We’re building AI-powered business insurance from the ground up and need engineers who can move fast. What You Will Do: Build and maintain our Django-b ...

Software Engineer (Mobile and Web)

Highly desirable Mid-Level Developer position has become available with one of my key clients based near Egham, just east of the M25. The client, a forward-thinking company in the digital media space are currently looking for a talented developer with 3+ years’ experience in Web/Mobile Development Skil ...

Specialised AI Engineer London; UK

Nscale is taking on the hyperscalers by building a vertically integrated GenAI cloud platform. We own the data centres, software, and applications that power today's AI stack using sustainable technology solutions. We thrive on a culture of relentless innovation, ownership, and accountability, where every ...

Developer Relations Engineer

Overview At Nscale, we’re on a mission to build the engine of superintelligence, and developers are at the center of how that future gets built. We’re looking for a Developer Relations Engineer to define how developers discover, learn, build, and scale on Nscale’s AI infrastructure platfor ...

Senior Software Engineers (AI) TypeScript, React, Node London £90 120K+10% bonus

3-days p/week onsite in London A London based FinTech that is the trusted partner to the world’s leading private banks and asset managers are looking for several Senior TypeScript Engineers with a passion for AI, to work on developing new AI features for their proprietary platform. ...

Senior Software Engineers (AI) TypeScript, React, Node London £90 120K+10% bonus

3-days p/week onsite in London A London based FinTech that is the trusted partner to the world’s leading private banks and asset managers are looking for several Senior TypeScript Engineers with a passion for AI, to work on developing new AI features for their proprietary platform. ...

Senior Backend Engineer

About Project Eleven Project Eleven is an applied lab of builders and technologists working at the intersection of quantum computing and cryptography. We build impactful solutions that push the digital-asset ecosystem to a more secure future. Our focus is post-quantum migration: upgrading wallets, ...

Product Engineer (fullstack)

London, Old Street, Onsite, AI Agents, Skippr AI (direct, no agency please) ⭐ About the role We’re looking for a Product Engineer to join our small but high‑calibre team in Old St . We’re a team that’s 100% AI‑native — not just building AI agents, but using them daily to supe ...

Senior Software Engineer TRAX

Senior Software Engineer - TRAX Location London Business Area Engineering and CTO Ref # 10049688 **Description & Requirements** **Description** The Trade Automation & Execution group builds the platforms and services that power mode ...

Senior Product Engineer (£100,000 £150,000 + Equity) at Alecto

Senior Product EngineerSalary: £100,000 - £150,000 + EquityCompany DescriptionAlecto - AI-native law firm backed by Firstminute CapitalJob DescriptionJoin Alecto as an early engineer to fix the UK’s broken £2.5bn conveyancing market. You will l ...

Front End Engineer New Ventures

The role As a front end engineer in the New Ventures retention squad, you’ll help turn complex financial data into clear, trustworthy experiences that small business owners want to come back to every month. You’ll work across the stack with a particular focus on our dashboards and journeys, shapin ...

Front End Engineer New Ventures

The role As a front end engineer in the New Ventures retention squad, you’ll help turn complex financial data into clear, trustworthy experiences that small business owners want to come back to every month. You’ll work across the stack with a particular focus on our dashboards and journeys, shapin ...

Software Developer Enterprise Technology [Node JS / Typescript]

About Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core servi ...

Senior Frontend Engineer

Location: Solihull (Hybrid – 2 days per week in the office) The Lounge team is growing. Since 2015, Lounge has evolved from an eCommerce underwear brand, built on Comfort Made Sexy, into an omnichannel modern fashion house, inspiring women to feel empowered, beautiful, sexy, and comfortable ...

Staff Software Engineer

We’re not just building better tech. We’re rewriting how data moves and what the world can do with it. With Confluent, data doesn’t sit still. Our platform puts information in motion, streaming in near real-time so companies can react faster, build smarter, and deliver experiences as dynamic as the ...

Engineering Manager at Lendable.co.uk

Engineering Manager Location: London, UK Salary: Not Disclosed Company: Lendable.co.uk - £3.5bn valuation unicorn fintech Job Description As an Engineering Manager, you will lead the team responsible for the Zable App, serving over 1 million customers. You will b ...

Engineering Manager at Lendable.co.uk

Job Title: Engineering Manager Salary: Not Disclosed Company Description: Lendable.co.uk - £3.5bn valuation unicorn fintech Job Description: As an Engineering Manager, you will lead the team responsible for the Zable App, serving over 1 millio ...

Software Engineer

Overview We are looking for a Senior Laravel Developer to join a fully remote engineering team (currently 6 people) and take ownership of core product development for a well-established D2C music business powering official online stores for 1,500+ artists. Base pay range: This range ...

Mobile Engineer Flutter iOS FinTech

Mobile Engineer / Developer (Flutter iOS) Newcastle to £120kDo you have a first class education combined with mobile application development experience?You could be progressing your career as a Mobile Engineer at a scale-up FinTech that have secure backing, an established Hedge Fund clien ...

Mobile Engineer Flutter iOS FinTech

Mobile Engineer / Developer (Flutter iOS) Newcastle to £120kDo you have a first class education combined with mobile application development experience?You could be progressing your career as a Mobile Engineer at a scale-up FinTech that have secure backing, an established Hedge Fund clien ...

Lead Software Developer FDS Squad

Lead Software Developer: Strong back-end focus. 12-month Fixed Term Contract ( with a view to go permanent) Hybrid: one visit per week onsite in Manchester. SC Clearance: SC Clearance preferred, however, SC Eligibility accepted. Expe ...

Platform Engineer

Join to apply for the Platform Engineer role at Appwrite Join to apply for the Platform Engineer role at Appwrite At Appwrite we're looking for a Platform Engineer to join our team. Platform EngineerAt Appwrite ...

iOS (Swift) LIDAR Developer : Remote

Overview Our client is a market-leading startup. They are the only company currently able to provide a full AI-driven solution to their market. They are looking for a developer to take ownership of the LiDAR room scanning journey. This role is critical to improving scan quality, 3D model accuracy ...

Design Verification Engineer

I am seeking a Senior Verification Engineer to join a rapidly growing HW Team in Cambridge. You will get the opportunity to work on cutting edge technology and in the area of quantum computing. No prior experience in quantum computing? No problem. You'll learn as you go while working alongside world-class eng ...

Senior Software Engineer, Infrastructure

About us Encord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPath, Zipl ...

Senior Software Engineer

Job Description This role is hybrid, consisting of work from our offices and home, with home-working permitted most of the time and offices being used for meetings and team days. You will ideally be based in and around our Glasgow office.Our Motorola Glasgow offi ...

Senior Software Engineer

Job Description This role is hybrid, consisting of work from our offices and home, with home-working permitted most of the time and offices being used for meetings and team days. You will ideally be based in and around our Glasgow office.Our Motorola Glasgow offi ...

Senior Backend Engineer

Join to apply for the Senior Backend Engineer role at Translucent Join to apply for the Senior Backend Engineer role at Translucent Translucent is building the infrastructure that lets AI work reliably with complex accountin ...

Senior Backend Engineer

Join to apply for the Senior Backend Engineer role at Translucent Join to apply for the Senior Backend Engineer role at Translucent Translucent is building the infrastructure that lets AI work reliably with complex accountin ...

Lead Integration Engineer & Developer

A fast-growing Claims Management company based in Liverpool is requires a hands-on Lead Integration Engineer & Developer to take ownership of their growing integration platform connecting core internal systems with external partners and services. This is a high-impact role combining deep technical delivery w ...

Lead Integration Engineer & Developer

A fast-growing Claims Management company based in Liverpool is requires a hands-on Lead Integration Engineer & Developer to take ownership of their growing integration platform connecting core internal systems with external partners and services. This is a high-impact role combining deep technical delivery w ...

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