Senior Full Stack Developer React Python Jobs in UK

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Senior BI and Data Analyst

Bovis builds enduring partnerships, bringing together the right expertise, the right capabilities and the right resources to deliver the most complex projects. We know from decades of experience that successful delivery of multi-year complex projects requires close working relatio ...

Senior Machine Learning Engineer

Senior Machine Learning Engineer — Ranking & Recommendations Tech Stack: Python, GCP, BigQuery, dbt, modern ML frameworks, LLMs, embeddings, RAG Contract: Permanent, full-time We're looking for a Senior Machine Learning Engineer to be the first dedicated ML hire ...

Dev Ops Java/Python London

Senior Engineer in Production Management The Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation ...

Software Engineer, AI Centre of Excellence Software engineering London

As a Software Engineer within Checkout.com’s AI Centre of Excellence, you will rapidly build and iterate on Generative AI solutions to transform how cross-functional teams operate. You will work with teams from across Checkout.com’s portfolio of products and services who all have a real customer‑first phil ...

Data Engineer Investment Platform

There's a quiet data problem at the heart of private markets and a London fintech is building the infrastructure to solve it. Every PE fund, credit strategy and infrastructure vehicle reports NAVs, capital calls and investor positions differently. Different fund admins. Different formats. Different ...

Software Engineer, AI Centre of Excellence Software engineering London

As a Software Engineer within Checkout.com’s AI Centre of Excellence, you will rapidly build and iterate on Generative AI solutions to transform how cross-functional teams operate. You will work with teams from across Checkout.com’s portfolio of products and services who all have a real customer‑first phil ...

Site Reliability Engineer

You will be responsible for the continued development of our monitoring systems and use them to proactively identify and communicate performance, reliability, security and cost issues. You will assist in responding to incidents and the remediation of vulnerabilities in our platform. You will also identif ...

Software Developer LinuxRecruit

Overview Developments and coincide your own progression alongside the upwards trajectory of the company. You will use your experience with Golang/Python and also functional programming experience with Golang/Haskell/Erlang to develop scalable solutions, identify and enhance required. Respo ...

Quantitative Developer

We’re partnering with a high-performance quantitative technology firm building front-office pricing and risk infrastructure used directly by portfolio managers and traders at leading hedge funds and asset managers . This is not a support or library role. You will be developin ...

Senior AI Engineer

Reward Gateway | Edenred, is a global leader in benefits and employee engagement. We help businesses attract, engage, and retain top talent through strategic rewards, recognition, and well‑being solutions. Guided by our shared missions of ‘Making the World a Better Place to Work’ and ‘Enriching Con ...

Senior AI Engineer

Reward Gateway | Edenred, is a global leader in benefits and employee engagement. We help businesses attract, engage, and retain top talent through strategic rewards, recognition, and well‑being solutions. Guided by our shared missions of ‘Making the World a Better Place to Work’ and ‘Enriching Con ...

Sr. Angular Developer

Job Title: Senior Angular DeveloperLocation: RemoteExperience: 4–8 YearsEmployment Type: Full-TimeJob OverviewWe are seeking an experienced Senior Angular Developer to lead the de ...

Sr. Angular Developer

Job Title: Senior Angular DeveloperLocation: RemoteExperience: 4–8 YearsEmployment Type: Full-TimeJob OverviewWe are seeking an experienced Senior Angular Developer to lead the de ...

Senior Software Engineer – Offensive Security & Platform

A cybersecurity firm is seeking a Senior Software Developer to tackle complex security challenges. Collaborating with researchers, you will deliver robust software solutions while reverse-engineering system internals across various platforms like Windows, Linux, Android, and iOS. The ideal candidate is experienc ...

Senior BI Developer Microsoft Fabric & Infor M3 | Remote

A leading global organization is seeking a Senior BI Developer to lead BI development with Microsoft Fabric at its core. The role involves designing ETL pipelines, building robust Power BI datasets, and delivering transformations using Python and PySpark. A strong background in Infor M3 ERP is essential. This po ...

Senior Quantitative Developer Hybrid, Bonus & Growth

hackajob is seeking a Senior Quantitative Developer (VP) in Greater London to design and validate pricing models. This role involves creating financial pricing libraries and risk algorithms while utilizing data analysis techniques. The ideal candidate will have strong financial markets experience, proficiency in ...

Lead Linux Systems Architect — High Availability & CI/CD

Free-Work UK is seeking a Lead Systems Developer in London. This senior role focuses on designing and developing Linux-based software solutions, mentoring developers, and managing CI/CD pipelines. Candidates should possess strong expertise in Linux, programming languages like Python and Bash, and networking conc ...

Senior Agentic AI Engineer: LLM Orchestration & Multi Agent

Brewer Morris is hiring a Senior Agentic AI Developer in Reading, UK. This role involves designing and building advanced agentic AI systems using Python and modern orchestration frameworks. The ideal candidate will have hands-on experience with agentic architectures, knowledge graphs, and cloud/MLOps. Responsibi ...

Senior Software Engineer – Offensive Security & Platform

A cybersecurity firm is seeking a Senior Software Developer to tackle complex security challenges. Collaborating with researchers, you will deliver robust software solutions while reverse-engineering system internals across various platforms like Windows, Linux, Android, and iOS. The ideal candidate is experienc ...

Senior Quantitative Developer Hybrid, Bonus & Growth

hackajob is seeking a Senior Quantitative Developer (VP) in Greater London to design and validate pricing models. This role involves creating financial pricing libraries and risk algorithms while utilizing data analysis techniques. The ideal candidate will have strong financial markets experience, proficiency in ...

Senior C++ Developer HFT/ Trade Data (£700p/d Outside IR35)

Senior C++ Developer - HFT/ Trade Data (£700p/d Outside IR35) This role is with Volition, partnering with a Capital Markets FinTech. The Senior Engineer will develop high-performance C++ systems focused on Market/Trade Data Products. Responsibilities Own the full scope of ...

Senior C++ Developer HFT/ Trade Data (£700p/d Outside IR35)

Senior C++ Developer - HFT/ Trade Data (£700p/d Outside IR35) This role is with Volition, partnering with a Capital Markets FinTech. The Senior Engineer will develop high-performance C++ systems focused on Market/Trade Data Products. Responsibilities Own the full scope of ...

Senior Software Engineer

Senior .NET Developer - £75k - Leeds monthly - Global SaaS tech house After building a revolutionary platform across the world, this digital platform is now transforming the UK market, making everything in their industry faster, smarter, and fully digital. We’re scaling a senior-hea ...

Senior Software Engineer

Senior .NET Developer - £75k - Leeds monthly - Global SaaS tech house After building a revolutionary platform across the world, this digital platform is now transforming the UK market, making everything in their industry faster, smarter, and fully digital. We’re scaling a senior-hea ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. This range is provided by Digital Waffle. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Digital Waffle ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. This range is provided by Digital Waffle. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Digital Waffle ...

Remote Python Backend Engineer (Django)

A leading tech recruitment company in the UK is seeking a fully remote Python Developer. The role involves significant ownership of scalable backend applications. Ideal candidates will have over 4 years of development experience, strong skills in Python and Django, as well as familiarity with JavaScript, jQuery, ...

Senior Software Engineer – Dementia Care Platform

A leading educational institution in the UK is looking for a Senior Software Developer to join their Dementia Research Institute. You will develop innovative healthcare technology and work with a multidisciplinary team to improve the lives of those affected by dementia. The role requires proficiency in programmi ...

Staff Software Engineer

About GitHub GitHub is the world’s leading platform for agentic software development — powered by Copilot to build, scale, and deliver secure software. Over 180 million developers, including more than 90% of the Fortune 100 companies, use GitHub to collaborate, and more than 77,000 organisations ...

Frontend Engineer – React (Remote) – United Kingdom – London

The Role Veeva Link seeks a mid‑to‑senior level Front End Engineer (React) that will participate in all aspects of architecting and developing new and innovative web applications. You will have the opportunity to work on cutting‑edge technology and new product development in an established compan ...

Senior Developer Senior Engineer in Production Management London

Senior Engineer in Production ManagementThe Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area.The role is part of a multi-year transforma ...

Software Engineer Product Team

Location: London (Hybrid – 2 days per week in our Spitalfields office) About Trint Trint turns audio and video into searchable, editable text. Our customers - major broadcasters, news agencies, and media organisations - depend on us when stories are breaking and speed matt ...

Senior Product Engineer

Overview We’re excited to partner with a profitable SaaS startup experiencing rapid growth and strong ARR. They’re expanding their engineering team and looking for product-minded engineers to join them on their journey. What They’re Looking For Engineers who thi ...

Senior Product Engineer

Overview We’re excited to partner with a profitable SaaS startup experiencing rapid growth and strong ARR. They’re expanding their engineering team and looking for product-minded engineers to join them on their journey. What They’re Looking For Engineers who thi ...

Principal Software Engineer

£80,000 - £100,000 + bonus and shares The Opportunity We are VERY excited about this opportunity. We’ve been working with this client for years and every candidate we have ever placed with them have loved it there. Contractors go perm with them, and permies stay for years. If you are consid ...

Engineering Manager London Financial Services

Engineering Manager - London - Financial Services Engineering Manager with strong experience across Microsoft technology and Financial Services industry experience required to join a London based end user. Permanent role offering an excellent salary package - base of £90,000 - £110,000 + ...

Platform Engineer: AI Driven Developer Experience

A leading employee benefits company in the United Kingdom seeks a Platform Engineer to enhance their platform and developer experience. This role involves optimizing platform development using AI, collaborating to streamline workflows, and maintaining high-availability infrastructure. Candidates should have 5+ y ...

App Developer – Restaurant Finder (Cross Platform)

A leading freelance marketplace in the UK is seeking an App Developer to create a user-friendly restaurant finder application. This role includes designing and developing a cross-platform app that integrates user-generated content and features for restaurants to share menus and promotions. The ideal candidate ha ...

Remote Frontend Engineer — Tailwind & React UI Specialist

Crossing Hurdles in the United Kingdom is seeking a frontend developer specializing in React and Tailwind CSS to create robust web interfaces. The role involves ensuring pixel-perfect implementation, optimizing performance, and maintaining a scalable design system. Successful candidates will demonstrate expertis ...

Software Developer – Hybrid, Modern Tech, Growth

Artek Mentorship in the United Kingdom is searching for a Software Developer to design and develop scalable software applications. Candidates should have a Bachelor's degree in computer science or a related field, along with 1-3 years of experience in software development, using frameworks such as React or Angul ...

SC Cleared Front End Dev — React + Gov.UK Design System

LA International is seeking a Front End Developer with SC clearance in the United Kingdom. The role requires experience in React and adherence to GOV.UK Design Systems. Candidates must either hold or have held high-level security clearance. The position is flexible with occasional travel to client sites and is e ...

Lead Engineer

Nile is a UK strategic design consultancy helping regulated enterprises navigate AI transformation. We believe the decisions organisations automate become permanent - our job is to make sure those decisions deserve to be. We work primarily in financial services and are a small, senior team that takes quality ...

Product Engineer

What you’ll be doing: Own end-to-end development of user-facing features on Windows Take full ownership of the Windows experience, continuously improving usability and performance Optimise application speed, scalability, and reliability Work across the stack (React, ...

Lead Software Engineer Platform

Lead Software Engineer - Platform Location: London (Hybrid – 2 days per week in our Spitalfields office) Team: Engineering About Trint Trint turns audio and video into searchable, editable text. Our customers - major broadcasters, news agencies, and media ...

Lead Software Engineer Platform

Lead Software Engineer - Platform Location: London (Hybrid – 2 days per week in our Spitalfields office) Team: Engineering About Trint Trint turns audio and video into searchable, editable text. Our customers - major broadcasters, news agencies, and media ...

Software & DevOps Engineer in Southampton Matchtech

Software & DevOps Engineer Southampton, United Kingdom Posted about 1 year ago Tech stack DevOps C Python JavaScript HTML5 Linux Java Bash Responsibilities Promote ...

Data Governance and Intelligence Lead in Potters Bar AtkinsRéalis

Data Governance and Intelligence Lead PottersBar, United Kingdom Posted 9 months ago Tech stack SQL Data Modeling R Databases Python Statistical analysis Areas of Expertise Statistical analys ...

Pricing Analyst R and Python in London Eames Consulting

Pricing Analyst – R and Python Eames Consulting London, United Kingdom Posted 9 months ago Tech Stack Python R Job Opportunity in London Join a dynamic team in London with a requirement of 2 days per week in the office. ...

Quantitative Developer

Quantitative Developer page is loaded## Quantitative Developerlocations: London - 20 Grosvenor Streettime type: Full timeposted on: Posted 6 Days Agojob requisition id: REQ-23271Quantitative Developer# **Mid-Senior Level Quant Developer**Preferred Location: LondonLeading index Rebal team seeking a highly ...

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