282,802+ Full Stack Developer Reactpython Jobs in London, UK — Local Employers Hiring June 2026

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Autonomous Platform Engineer – Real Time Data & AI

A fast-growing fintech company in Greater London seeks a skilled developer to build scalable backend systems. You'll develop microservices, libraries, and real-time data pipelines while collaborating with teams to define data contracts. Ideal candidates are hands-on with Java, Python, or Go, and possess strong p ...

Payments Backend Engineer: Scale Global Subscriptions

A leading technology company in Greater London is seeking an experienced back-end developer for the Payments Team. You will build scalable software solutions to enhance user experience across Proton's products. Ideal candidates will have a strong background in back-end development, experience with PHP/Symfony, S ...

Senior React Frontend Engineer for Finance Platforms

Solytics Partners is seeking an experienced Front End Developer to lead the design and implementation of advanced front end frameworks. The successful candidate will work closely with UX/UI designers and product managers, driving improvements in core platform components. Ideal candidates will have proven experti ...

Senior Backend Engineer – Java, Spring Boot, Docker, Kubernetes

Zaizi is seeking a Senior Software Developer in Greater London. The ideal candidate will have extensive experience in Java and Agile methodologies, leading teams, and developing digital solutions. A focus on continuous improvement and user experience is vital. Join a supportive work culture where innov ...

Game Engine Dev Intern — Onsite 6 Month

Tencent is looking for a Game Engine Developer in Greater London to work in our Research and Development team. You will create foundational systems and tools that support projects across our global studios. The ideal candidate should have a strong proficiency in C++ and Computer Graphics, along with ex ...

Senior Backend Engineer — Python/Django (Remote UK)

Kraken Technologies UK is seeking a Backend Developer to build and maintain its cloud-native platform. The role focuses on Python and Django development, domain modelling, and processing large volumes of utility data within AWS. The successful candidate will solve design challenges, process meter readi ...

Remote React Native Engineer – Checkout & Returns

A technology company is seeking a skilled developer to join their Post-Purchase team in London. The role involves designing, building, and iterating on checkout and returns experiences to improve conversion rates. Candidates should have a minimum of 3 years of experience with React Native, strong JavaScript skil ...

Python & React Data Engineer — Databricks, SQL & Dashboards

DNS Info Ltd is looking for a skilled Python + React + SQL + Databricks developer to combine backend data engineering with frontend application development. This role involves building APIs, developing ETL pipelines, and creating responsive UIs. Candidates should possess strong coding skills in Python, React.js, ...

Senior ServiceNow Engineer — Flexible Platform Leader

A leading technology firm in the United Kingdom is seeking a Senior ServiceNow Developer to design and optimize scalable ServiceNow solutions. This role involves developing advanced components, mentoring junior developers, and leading technical strategies in Agile environments. Candidates should have over 5 year ...

Remote Python Engineer: Automation & Microservices

Hamilton Barnes Associates Limited is seeking a Python developer to rebuild legacy automation scripts into Python-based microservices. The role involves designing a new automation framework and collaborating with teams on scalable solutions. Must have strong Python experience, understanding of DevOps practices, ...

Backend Java Engineer — Public Sector (Flexible/Hybrid)

IBM Computing is seeking a Backend Java Developer based in Greater London to design and deliver high-quality applications using Java/JEE and modern web technologies. The role involves building components, integrating systems, and applying best practices like TDD and CI/CD among others. IBM promotes a flexible an ...

Python Backend Engineer Enterprise REST & CI/CD London

A recruitment agency is seeking a Backend Developer in London. This role offers a salary up to £65,000 p.a. with three office days per week. Responsibilities include developing in-house business systems, collaborating with teams, and following Agile methodologies. Candidates should have proven experience in ente ...

Senior Backend Engineer Go & Cloud (Hybrid)

Zaizi is seeking a Senior Software Developer in Greater London. In this role, you'll contribute to improving outcomes and user experience through your technology skills and innovative ideas within a multi-disciplinary team. This position offers a salary between £60,000 and £75,000 and supports a cultur ...

React/TypeScript Front Office Finance Engineer (London)

Java Script Works is looking for a React Developer to join our team in London. You'll be responsible for React and TypeScript development in a challenging front-office banking and finance context, crucial for our client's needs. The ideal candidate will have strong experience with React, TypeScript, an ...

Senior Frontend Engineer (React) – Greenfield Payments Desk

A leading recruitment agency is seeking a Senior Frontend Developer with React.js expertise for a greenfield payments platform project in London. You will collaborate closely with another engineer to redesign and develop features for a public website and client portal, while adhering to best practices. The role ...

Lead Platform Engineer — Hybrid (London) AWS & Kubernetes

A leading tech recruitment firm seeks a Lead Platform Engineer to design and expand a cutting-edge internal platform on AWS EKS. This role demands extensive Kubernetes knowledge and strong software engineering skills. You will lead a globally distributed team, enhance the developer experience, and drive architec ...

Energy Ops Software Engineer – Post Trade & Data Integrity

A global financial services platform in Greater London seeks a Software Developer to join the Operations Technology team. This role involves maintaining and enhancing applications for post-trade operations across various asset classes, ensuring data integrity and compliance with regulatory standards. Candidates ...

Senior Java Lead | CIAM & Backend Architect

CAPGEMINI is seeking an experienced Lead Java Developer in Greater London to design and implement scalable CIAM solutions. The ideal candidate will have 8 years of Java experience, including a leadership role, and a deep understanding of IAM concepts. Responsibilities include backend development using Core Java, ...

Fintech Python Engineer Valuation Systems & Architecture

Quant Capital is seeking a Junior Python Developer to join a leading FinTech company in London. The successful candidate will work on high-class Derivatives Instruments Valuation, helping to shape architecture. Proficiency in Python and frameworks like Flask or Django is required, along with experience in Javasc ...

Senior React Native Engineer Hybrid London, TS/Redux

A consultancy firm in Greater London seeks a Senior React Native Developer with over 8 years of experience. The role involves developing mobile applications using React Native while working in a hybrid environment. Candidates should have strong skills in TypeScript, state management, and testing frameworks. This ...

C++ Software Engineer Elite Tech, Hybrid London

A leading technology firm in London seeks a Software Developer (C++) offering a salary of up to £120,000 plus bonus and package. This elite tech environment is known for high standards and a passion for cutting-edge technology. As a Software Engineer, you will work on top-performing technology platforms alongsid ...

Backend Engineer – Bazel & Monorepo Scale

A leading technology solutions provider is seeking a Backend Developer to enhance backend engineering. This role requires expertise in Bazel, developing tools for large monorepo-based codebases, and excellent problem-solving skills. You will help migrate and maintain Bazel, collaborate with infrastructure teams ...

Senior Backend Engineer Java Microservices | Hybrid/Remote

A leading fintech company is seeking a passionate backend developer to drive innovation in their microservices architecture. With a strong focus on Java and Spring frameworks, you will work within a self-managed team in a hybrid or remote setting. The role emphasizes quality, collaboration, and career developmen ...

Software Engineer — Engineering Tools & CI/CD Platform

Barlowe LLP in London is seeking a highly motivated Software Engineer to join their Engineering Tools team. This role focuses on improving development processes and research workflows, supporting the design and build of critical capabilities. The ideal candidate will have experience in infrastructure a ...

Senior Solar Project Lead — Hybrid, UK wide

Statkraft is seeking a highly experienced Senior Project Developer to lead planning and pre-construction for solar development projects in London. This fixed-term role focuses on managing consenting workstreams, stakeholder relationships, and project progression from inception to construction. Candidates should ...

Principal Product Manager F1 Clash: Live Ops & Economy

A leading mobile games developer is seeking a Principal Product Manager to define the vision and accelerate the growth of its flagship game, F1 Clash. This role involves strategic leadership of the game’s economy, managing complex pricing structures, and leading a high-performing team. Candidates should have pro ...

Senior Android Engineer – Build FinTech Marvels

Revolut is seeking an experienced Android Developer to join our dynamic Technology team in Greater London. You will help shape features that impact millions of users worldwide by collaborating closely with product designers and teams to enhance user experiences. The role requires 5+ years of extensive ...

Senior React Frontend Architect Hybrid London

Capco is seeking a talented Frontend Developer in London to architect and implement complex systems using React and modern frameworks. You will champion frontend engineering standards, coach junior developers, and collaborate with stakeholders. The role offers a competitive, people-first benefits package includi ...

Lead Cross Platform Mobile Engineer — Shape AI Productivity

Iamwarpspeed is seeking a passionate Lead Cross-Platform Mobile Developer to lead the development of their mobile applications. This pivotal role ensures a seamless and native user experience across iOS and Android platforms. Candidates should have 5+ years of experience in cross-platform mobile development, pre ...

FP&A Solution Engineer: Forecasting & Modeling

BOARD Deutschland GmbH is looking for a Solution Developer in FP&A to build and enhance financial planning applications. This role involves developing planning models, translating FP&A processes into scalable applications, supporting testing and validation. Candidates should have 2-4+ years in FP&A or planning s ...

Engine Programmer (DevOps) – Unreal, CI Pipelines, Hybrid

InfluencerUpdate is seeking an Engine Programmer to join the DevOps team in Kentish Town, London. In this hybrid role, you will focus on optimizing CI pipelines and automation workflows using Unreal Engine 5. Ideal candidates will have a strong background in C++ programming and experience with Unreal Engine, alo ...

Front End Engineer – Global Video Platform (Remote)

A leading video platform company in Greater London seeks a front-end developer to enhance their cloud-based platform. You will work with technologies like React and ES6, collaborating closely with mentors to drive projects from design to production. Candidates should have experience with front-end frameworks and ...

Remote iOS Engineer — Swift, Flexible Hours, Growth

Konrad is looking for an iOS Developer to enhance their software development team in Greater London. The role involves building iOS applications, maintaining code quality, and collaborating closely with team members to explore new technologies. The ideal candidate should have experience with Swift and ...

Front End Engineer: Build Fast, Responsive UIs (Flexible Work)

Solirius Consulting in Greater London is looking for a skilled Front-End Developer to build and maintain user-facing features. The role includes developing responsive web interfaces and collaborating with design teams. Candidates should have strong experience in front-end technologies such as Angular a ...

Post Trade ETD Software Engineer Operations

A global financial services platform is seeking a software developer to join its ETD Operations Technology team. The role entails enhancing applications supporting post-trade workflows. You will work with operations and other technology teams ensuring accurate data processing. Candidates should have solid experi ...

Frontend Engineer II — React/TypeScript, Build & Refactor

Commerce Software UK Ltd is looking for a Front-End Developer to build high-quality features with React and TypeScript. You will work on refactoring legacy code and collaborating with designers to define requirements. The ideal candidate has at least 3 years of experience. If you possess a Bachelor's d ...

Senior Development Manager: Land & Planning Lead

A privately owned developer based near Chigwell, North London, is seeking a Development Manager or Senior Development Manager. This role focuses on managing Land/Development Contracts and planning permissions, offering excellent opportunities for promotion and a competitive salary. Suitable candidates will have ...

Python Backend Engineer – Front Office Trading Platform

Apex Systems is seeking a skilled backend developer to design and implement Python solutions within the structured Notes domain. This role involves close collaboration with Quants, Sales, and Trading to ensure clean API integration and support for crucial systems. Ideal candidates will have 5+ years in a front o ...

Trading Systems Engineer: Systematic Market Making

Quant Capital is looking for a Trading Systems Software Developer based in London, United Kingdom. The ideal candidate will have a solid command of computer science fundamentals and experience with trading systems. Responsibilities include implementing core components primarily in Kotlin and ensuring system reli ...

Remote Unreal Gameplay Programmer AAA Titles

A leading gaming development company is searching for an Experienced Gameplay Developer to work fully remote. The ideal candidate will have a minimum of 2.5 years of professional experience and expertise in Unreal Engine and C++. The role involves creating original gaming experiences, establishing cloud-based in ...

Hybrid ServiceNow Engineer – CyberSecurity

SKY is looking for a ServiceNow Developer to improve system performance and stability within Cyber Security. The role involves collaborating with teams to design applications and resolve complex issues while writing efficient code. Strong experience with ServiceNow development is essential. The positio ...

Senior Integration Architect – IBM BPM to Camunda

A leading UK bank is seeking a Senior Integration Developer to drive engineering excellence in their digital onboarding system. This hands-on role involves leading the migration from IBM BPM to Camunda, optimizing integrations, and defining engineering goals in a high-volume banking environment. Candidates shoul ...

Senior SRE — Architect of Reliable, Self Service Infra

Fonoa is seeking an Infrastructure Engineer in Greater London to build and enhance a reliable, scalable platform. The role focuses on improving operational maturity, observability, and developer experience across engineering teams. The ideal candidate will possess a strong programming background, automation mind ...

C#/.NET Product Engineer for Revit Add In & Desktop Apps

A technology-focused firm in Greater London is seeking a C# developer to enhance Revit workflows by developing and maintaining their Revit add-in. The ideal candidate will have solid experience with C#, desktop application development, and MVVM patterns. Responsibilities include implementing new features, data s ...

Lead Test Automation Engineer: Playwright & Cypress

A digital consultancy in the UK is seeking an experienced Software Developer in Test to develop robust test automation frameworks. This role involves collaboration with cross-functional teams and ensuring quality through thorough automated testing. Candidates should have extensive experience with Playwright, Cyp ...

Founding Salesforce Architect – Fintech Scale Up (Equity)

A fintech disruptor in Central London is seeking a Senior Salesforce Developer. As the first technology hire, you will drive the architectural design of a scalable platform, manage a custom Sales Cloud environment, and lead data strategies for AI utility. The position offers a competitive salary up to £80k, plus ...

Senior SDET — Lead Scalable Quality & Test Automation

Omaze in London is seeking a Senior Software Developer In Test (SDET) to take ownership of quality engineering and test automation strategies. You'll implement scalable frameworks to ensure high-quality releases, influencing teams across engineering. Applicants should have significant experience in tes ...

Frontend Engineer: Build Fast, Accessible UI/UX

A leading technology company in Greater London is looking for a front-end developer to enhance user interfaces and experiences for its web applications. The successful candidate will have proven front-end development skills, experience in UI/UX design, and the ability to collaborate effectively within a team. Re ...

Lead Backend Game Engineer — Remote Europe

A leading game development company is seeking a Senior/Lead Backend Game Developer for a remote position in Europe. The role involves designing and implementing scalable backend services for real-time multiplayer games. You will be responsible for writing efficient code, collaborating with game designers, and en ...

Senior Ruby on Rails Backend Engineer Lead & Scale

A technology company in Greater London seeks an experienced Senior Backend Developer with expertise in Ruby on Rails. You will design and develop server-side applications, mentor junior developers, and solve scalability issues. The ideal candidate has over 8 years of experience, excellent problem-solving skills, ...

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