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    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 ...

    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 ...

    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 ...

    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 ...

    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 ...

    Software Engineer — Government‑Tech, TDD & Pairing

    Opencast | B Corp™ is looking for a Software Developer in Greater London. This role emphasizes building software with engineering craft and collaboration. Candidates should have expertise in Java or Scala, and hold or be eligible for SC Clearance. Responsibilities include collaborating on testing efforts, implem ...

    Senior C# Engineer for Low Latency Trading Platform

    A leading financial institution in the United Kingdom is seeking a Senior C# Developer to lead the design, development, and support of low-latency pricing and execution platforms for front-office trading teams. The ideal candidate will collaborate closely with quantitative teams, traders, and technology stakehol ...

    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 ...

    Power BI Solutions Architect

    HCLTech is seeking a detail-oriented Power BI Developer to enhance existing dashboards and create new reports based on stakeholder requirements. The role includes optimizing data models and troubleshooting report performance while ensuring security and governance of data. The ideal candidate will have ...

    Identity & Access Management Engineer (1IM Expert)

    A leading global technology company is looking for an Identity Management Developer in Greater London. The ideal candidate will have extensive experience with Dell/Quest One Identity Manager and a strong understanding of Identity Management concepts. Responsibilities include developing stored procedures and moni ...

    Frontend UI Engineer: Data Visualisation & ML Insights

    A technology company in Greater London is looking for a skilled UI Developer to create responsive, intuitive user interfaces using React. The role involves building and iterating on UIs for data visualization and integration with backend APIs. Candidates should have deep experience in building production-quality ...

    Cloud Platform Engineer Azure & AWS Automation

    DXC Technology Inc. is seeking a Cloud Platform Developer to work on solutions across Azure and AWS, collaborating with multidisciplinary teams. This role requires significant security compliance due to clearance responsibilities. Successful candidates will have skills in cloud architecture, a collabor ...

    Senior React & Web Architecture Lead

    Sugama Technologies LTD is seeking a skilled developer to participate in technical discovery and define architecture approaches. Expect to create detailed specifications and collaborate closely with developers to ensure best practices in coding and compliance. Ideal candidates should have expertise in ...

    PM for Bonsai: AI Powered Dev Tools

    Mosaec is looking for an experienced Product Manager to shape their innovative AI project. You will talk to developers, define product direction, and track market priorities. The ideal candidate should have at least one year in product management, comfortable with ambiguity, and possess a strong techni ...

    Lead Software Engineer Ruby/TypeScript/React | Remote + Stock

    Client Server is seeking a Lead Software Engineer with substantial experience in Ruby, TypeScript, and React, based in London with flexible remote options. In this role, you will be responsible for driving technical strategy for Developer Ecosystems, overseeing development processes, and mentoring junior engi ...

    New Grad Software Engineer, Foundations Infra

    A cutting-edge software firm in London is looking for a Software Engineer to enhance their data-driven platforms. The role includes building infrastructure, improving developer experiences, and collaborating across teams. Candidates should have a strong engineering background, familiarity with multiple programmi ...

    Senior .NET Architect for Trading Systems

    A reputable recruitment agency is seeking a Senior Software Developer in London to architect and develop trading systems. This role involves working with C#, .NET, and SQL Server on greenfield projects, influencing architectural decisions, and mentoring junior developers. Candidates must have a BSc in Computer S ...

    Real Time Market Data C# Engineer – Latency Focused

    Attribution Search is looking for a C# Developer to join their Market Data Technology team. This role is pivotal in designing and maintaining market data systems supporting trading and risk functions. The ideal candidate will have experience in C# development, strong database skills, and familiarity wi ...

    Senior Android SDK Engineer, Data Platform

    Spotify is seeking an experienced Android Developer to build and improve SDKs that enable the analysis of user behavior at scale. This role is primarily based in London but allows flexibility for remote work, balancing in-person meetings with home-based productivity. Candidates should have strong skills in Andro ...

    Senior Kotlin Backend Engineer TDD, Kubernetes, CI/CD

    A global financial leader is seeking a Senior Kotlin Developer to join a high-caliber engineering team. You will design high-performance backend services and maintain code quality while leveraging Kotlin and Kubernetes. Ideal candidates should have deep Kotlin expertise, experience with CI/CD pipelines, and a st ...

    Senior KDB+ Performance Engineer

    A leading digital transformation consulting firm in the United Kingdom seeks an experienced Senior KDB+ Developer to design and optimize high-performance data platforms. The role necessitates over 8 years of kdb+ expertise, knowledge in q language, and proficiency in performance tuning. Candidates should be comf ...

    High Throughput C++/Python Trading Systems Engineer

    A financial technology company in Greater London is seeking a C++ and Python developer. Join their middle-office team to work on trade reconciliation, back-testing frameworks, and trading monitoring systems. The role involves writing high-performance code and requires skills in C++ and Python, as well as knowled ...

    Senior Frontend Engineer — Build Financial OS (React/Next)

    A tech startup in Greater London is seeking an experienced frontend developer to join their lean team. The role requires expert knowledge in React, TypeScript, and Tailwind, along with familiarity with NextJS. Candidates who have experience in backend engineering and user-facing software delivery will stand out. ...

    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 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 ...

    Mandarin English Real Estate Ops Assistant — London Luxury Properties

    Job Search Place Limited is offering an exciting opportunity for an Operations Assistant in a London-based Real Estate firm, recognized as the leading property developer and asset manager in the area. The ideal candidate should hold a Bachelor's degree in relevant fields and have at least one year of e ...

    Senior Frontend Engineer, Payments API & Security (Equity)

    A fintech startup seeks a Senior Frontend Engineer to build secure payments infrastructure. You will design robust developer-facing APIs and work across backend services and frontend solutions. Ideal candidates have 3-10+ years in software engineering, a strong foundation in computer science or related fields, a ...

    VP Quant Dev — High Performance Finance Tech

    Citi is seeking an experienced Quantitative Developer to join the Numerical Performance Group in London. The successful candidate will design, develop, and enhance quantitative libraries for pricing and risk management, utilizing advanced C++ and computational techniques. Strong experience in high-performance co ...

    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 ...

    Cloud Data Platform Engineer Multi Tenant & API Driven

    NextWave Consulting Ltd is seeking a Data Technology Engineer in London to design, build, and run secure, multi‑tenant data platform capabilities. This role will focus on platform services, security, and observability, enabling reliable access to data pipelines. Ideal candidates will have experience with Kuberne ...

    ML & GPU Pro Apps Engineer for Games & Graphics

    Apple is seeking a dedicated engineer in their Metal Pro Apps Ecosystem team to optimize ML workloads for iOS and macOS applications. Candidates should have strong programming skills and a good understanding of GPU compute frameworks and machine learning fundamentals. You will implement optimizations f ...

    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 ...

    Cloud Driven Java Architect | AWS, CI/CD, Hybrid Infra

    A leading financial services technology firm is seeking a skilled developer for Java solutions focused on AWS environments in Greater London. The position requires building enterprise applications, strong knowledge of functional programming, and familiarity with CI/CD practices. Ideal candidates will have a Bach ...

    Senior UI Artist — 4 Day Week, Flexible Hours, Remote

    A mobile games developer in London seeks a Senior UI Artist to create visually impressive user interfaces and collaborate with teams. Ideal candidates must have experience in UI art, particularly within games, and proficiency in Unity and design tools like Figma. The position offers a flexible work schedule, inc ...

    Principal Platform Engineer — Scale FinTech Infra (London)

    Numi is seeking a Principal Platform Engineer for a hybrid role in London, critically supporting a leading FinTech carve-out. You will design and enhance the Internal Developer Platform, lead migrations for highly available systems, and integrate compliance into development processes. The ideal candida ...

    AI Driven Backend Engineer for Agentic Workflows

    Boundaryless is seeking a Backend Developer to design and build production-ready Python services. This role focuses on LLM and Generative AI integration, requiring strong expertise in building APIs and backend systems. Located in Canary Wharf, London, the position demands at least three days on-site pr ...

    Senior AI Agent Engineer Moveworks | Customer Deployment

    What you get to do in this role: As a Senior AI Agent Engineer - Moveworks | Customer Deployment at Moveworks ServiceNow, you'll be responsible for making customers successful with the Moveworks ServiceNow Platform by accelerating product adoption through various customer engagements. You ...

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      Full Stack Developer Reactpython Jobs in London Job Search Guide, Trends and Insights