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    • 124,681+ Lead Java Application Developer Java Web Tech Jobs in London, UK — Local Employers Hiring June 2026

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    Quant Dev: Launch & Scale New HFT Strategies

    A leading financial firm in London seeks a Quantitative Developer to join a new HFT team. You will play a crucial role in launching and ensuring the profitability of this new desk. The ideal candidate is experienced in quantitative roles, proficient in Python (C++ is a plus), and ready to face multifaceted chall ...

    SAS Engineer Insurance Modeling & MDLC Expert (Hybrid)

    A global business and technology transformation partner in Greater London is seeking a SAS Developer to enhance and validate statistical models across various domains. The ideal candidate will have 5-10 years of strong SAS programming experience and expertise in building predictive models. You will be responsibl ...

    Front Office Trading Systems Engineer (C#)

    Mondrian Alpha is seeking a Software Developer to join its Trading Systems team in London. This high-impact role involves close collaboration with traders and operations while owning the delivery of trading system solutions. The ideal candidate will have over 5 years of software development experience ...

    Remote Backend SaaS Engineer — Python & API

    A leading open source software company is looking for a talented software developer to create new features and improve the Landscape codebase. The role involves remote collaboration with a global team, committing to high-quality code and automated testing, and requires strong proficiency in Python and experience ...

    Senior C++ Engineer for Financial Messaging Solutions

    Swift is seeking a Senior C++ Developer to work in a premier engineering role based in London, UK. You will be part of a dedicated team delivering high-quality solutions and collaborating with various teams on project requirements. Your responsibilities will include developing C++ code for financial me ...

    Senior Frontend Engineer — High Impact Trading UI

    Miller Maxwell Ltd is seeking a Frontend Software Developer for their central London headquarters. The successful candidate will be crucial in developing a core equities platform used by front office traders globally. You will collaborate with a highly experienced engineering team, designing dashboards ...

    Senior Rust Engineer Core Libraries for Drive & Payments

    Proton is looking for an experienced Senior Rust Developer to join their Payments and Drive teams. This role involves architecting core Rust libraries, ensuring cross-platform compatibility, and collaborating with cross-functional teams. The ideal candidate will have over 5 years of experience in so ...

    Mobilisation Property Manager: New Build Integrations

    FPMR Ltd, based in Greater London, is seeking a Mobilisation Property Manager to handle the onboarding and handover of new build developments. This role involves managing a portfolio of three London sites and working closely with developer clients throughout the integration process. The ideal candidate ...

    Staff DevX Engineer Build Fast, Scale Safely

    Anthropic is seeking a Staff+ Software Engineer specializing in Developer Productivity to enhance how engineers develop and ship code. The role involves strategic technical leadership and the design of scalable, reliable infrastructures that support high-volume workloads. Applicants should ideally have ...

    Senior Data Centre Development Lead

    A leading developer in data centres is seeking a Senior Development Manager to oversee the lifecycle of major data centre projects. This role requires 8+ years in infrastructure development, strong leadership, and negotiation skills. You will work alongside specialists and have the autonomy to drive strategy and ...

    Threat Detection Engineer (eBPF/Kubernetes Security)

    Cisco Systems is seeking an experienced security policy developer to join their Cilium Tetragon team in Greater London. The role involves developing security policies, engaging with engineers, and monitoring vulnerabilities to ensure clients' infrastructures are secure. Candidates should have at least 3 years of ...

    Senior Software Engineer: Architect Trading Systems

    A leading recruitment agency is seeking a Senior Software Developer in Greater London to architect and enhance in-house trading systems. This role involves developing high-performance applications primarily using C# and .NET, mentoring junior developers, and leading architectural discussions. Candidates should h ...

    Applied ML Engineer — LLM Evaluations & MLOps

    APPLE seeks an Applied Machine Learning Engineer for its Developer Publications Intelligence team in Greater London. The role involves building and integrating machine learning models, driving MLOps excellence, and collaborating with cross-functional teams. Candidates should have strong programming skills in Pyt ...

    Data Scientist: Renewable Energy Analytics

    A clean energy developer is on the lookout for a Data Scientist to join their dynamic team in Greater London. This role involves developing geospatial tools, energy market models, and automated reporting dashboards to enhance renewable energy projects involving solar and battery storage. Ideal candidates should ...

    Building Safety Remediation Manager Major Works Project 12 Month FTC in London

    Job Description BUILDING SAFETY REMEDIATION MANAGER MAJOR WORKS PROJECTS (12 MONTH FTC) Rendall & Rittner £Competitive, aligned to experience Home Based 12 month FTC ROLE OVERVIEW This role focuses on coordinating and progressing remediation programmes, inclu ...

    Senior Game Economy Designer Drive LiveOps & Monetization

    A leading game developer in Greater London is seeking a Senior Game Economy Designer to enhance player experiences through optimized in-game economies. The ideal candidate will have at least 3 years of experience in mobile or freemium game design, strong analytical skills, and a degree in economics. Benefits inc ...

    Platform Engineer: Real Time Events & Data

    Apple is seeking a Developer Platform Engineer to tackle complex challenges in building reliable software systems for Apple Pay. This role requires experience with distributed systems and communication skills to engage with diverse audiences. The successful candidate will advocate for platform best pra ...

    Senior Cost Manager — Luxury Residential Projects

    Turner & Townsend alinea is seeking a Senior Cost Manager to join their London-based Developer Team, focusing on high-end residential projects. The ideal candidate will have a degree in Quantity Surveying, MRICS qualification, and UK cost management experience. This role involves responsibilities such ...

    Senior Backend Engineer, Dashboard Infra & DevEx (Remote)

    EngineersOfAI is seeking a Senior Backend Engineer to join their team, focusing on infrastructure automation. The role involves contributing to the operation and deployment of the Dashboard Platform, delivering outstanding developer experiences, and collaborating on best practices. The ideal candidate ...

    Cloud Native Data Platform Engineer

    NextWave Consulting is seeking a Data Technology Engineer in Greater London to design and build secure, multi-tenant data platform capabilities. The role involves working closely with security and risk stakeholders, managing APIs, data orchestration, and integrating services. Candidates should have strong experi ...

    Hybrid Desktop & SRE Engineer — London

    TransFICC is looking for a talented individual to join their SRE team in London. This hybrid position focuses on managing and provisioning endpoint devices across macOS, Linux, and Windows. You will be involved in supporting employee onboarding, maintaining developer stations, and ensuring smooth operation of ...

    Senior Software Engineer Digital Twin for Sustainable Buildings

    Max Fordham LLP is seeking a Senior Software Developer to enhance its digital capabilities in engineering and consultancy. The role involves developing software tools and delivering insights from complex datasets to support digital transformation in the built environment. Suitable candidates should pos ...

    Remote Blockchain Engineer Build Next Gen dApps

    Superland Inc is seeking a highly skilled Blockchain Developer to join our dynamic team in Greater London. The ideal candidate will have over 4 years of experience and a strong background in blockchain technologies, programming languages such as Solidity and JavaScript, and an ability to work collaboratively. ...

    Senior Backend Engineer Python/Django Biotech Lab, London

    BactoBio, a London-based biotechnology company, is seeking a skilled developer with experience in Python, ideally using frameworks like SQLAlchemy or Django. This role emphasizes teamwork and a collaborative approach to solving complex challenges in synthetic biology. We offer a competitive salary, fle ...

    London Luxury New Homes Sales Negotiator

    A leading residential developer based in Central London is looking for an experienced Sales Negotiator to join their team. The ideal candidate will have New Homes Sales experience and exceptional negotiation skills, working on a luxury development in London. This position offers a competitive salary of up to £28 ...

    RAD Python Engineer for Front Office Trading MVPs

    Join Barclays as a RAD Developer in London, where you will work closely with Front Office traders to deliver innovative solutions in a fast-paced environment. We seek a self-driven professional proficient in Python, Oracle, GIT, and more. The role includes designing and improving software solutions, collabora ...

    Senior Python Backend Engineer for AI Prototypes (Remote)

    A growing digital consultancy in the UK is seeking a Senior Software Developer (Python) to design and enhance AI prototypes. This role involves working collaboratively with engineers, managers, and designers to deliver high-quality, user-centric solutions. The ideal candidate should have strong experience in Pyt ...

    Technical Manager Residential Developments | North London

    A leading recruitment agency is seeking a Technical Manager for a residential developer in North London. The ideal candidate will oversee the technical and design teams, ensuring compliance with statutory regulations and timely delivery of project packages. Candidates should have a strong architectural backgroun ...

    Frontend Engineer Cloud UI & Design Systems (Hybrid)

    Nordcloud is seeking a Front End Developer to join their UK team. This role involves designing modern frontend applications for cloud-based platforms and collaborating with UX, backend engineers, and cloud teams. You will need a strong grasp of JavaScript, responsive design, and relevant UI frameworks like React ...

    Salesforce Engineer: Platform & Integrations

    J.P. Morgan in London is seeking a Salesforce Engineer to enhance customer service platforms through innovative Salesforce solutions. You will develop tailored products and integrate services, contributing to an excellent customer experience. The ideal candidate is a certified Salesforce developer with ...

    Senior Backend Django/Python Engineer — Fintech Ownership

    A leading fintech company in London seeks a Backend Developer to design and develop efficient server-side components. The role requires a solid understanding of microservices architecture and experience in high-scale startups, ideally with 5-7 years of backend system experience. Candidates will collaborate close ...

    Senior Front End Engineer: Experimentation (Hybrid)

    Creative CX Limited is looking for a Senior Front-end Developer to join their dynamic team in Greater London. The role involves building high-performance digital platforms and leading A/B testing initiatives while collaborating with multi-disciplined teams. With a strong emphasis on innovative practice ...

    Senior Director – Co Living Development & Design (London)

    A high-end design studio located in London is seeking a senior professional to join their team and expand offerings in the developer-led co-living sector. Applicants must have excellent experience in this sector, with strong knowledge of local planning teams and a solid design background, ideally with over 10 ye ...

    Senior Power Apps & BI Architect (Remote)

    Methods is seeking a skilled Power Apps Developer with a Power BI specialism to join their team in the Public Sector Business unit. This permanent position offers remote work with the flexibility to travel to client sites. The ideal candidate will design and maintain high-impact solutions, ensuring the ...

    Power BI & Data Warehouse Specialist

    British International Investment is seeking a Power BI Developer to enhance data-driven decision making across the organisation. The role focuses on developing reports, building ETL processes, and ensuring data integrity within a collaborative environment. Ideal candidates will possess robust experienc ...

    Senior SQL Analytics & Reporting Architect

    A consulting firm in London is seeking an experienced SQL Data Analyst and Reporting Developer. The role involves designing and maintaining reports and dashboards that support decision-making in a high-profile investment banking program. Candidates must have over 10 years of experience in SQL development and rep ...

    Low Latency Front Office Trading UI Engineer

    Barclays is seeking a Low Latency Front Office Trade Technology UI Developer to join its UI Team in London. The role involves working on a major electronic trading platform to enhance its capabilities for Emerging Markets. The ideal candidate will have proven experience in electronic trading, extensive ...

    Python & AI Engineer (Production Grade AI, Hybrid)

    McCabe & Barton is seeking a Python Developer & AI Engineer in London, UK. This hybrid role involves working on AI platform engineering, where you will build and deploy production-grade AI solutions. You will focus on developing MCP connectors, supporting LLM gateways, and collaborating closely with th ...

    Senior Account Executive FinTech & Enterprise DevTools

    A technology company is seeking a Senior Account Executive to manage complex sales cycles, drive customer adoption, and engage with technical stakeholders. The ideal candidate has over 5 years of experience in enterprise B2B SaaS sales, preferably with developer tools, and a proven track record of exceeding sale ...

    Comarch Network Inventory & Service Management Engineer

    ITTRP Pvt Ltd is seeking an experienced Comarch Developer / L2-L3 Support Engineer to provide technical support within the telecommunications domain. The successful candidate will manage network inventory and service management platforms, ensuring operational excellence and incident resolution. This ro ...

    Senior Kotlin Engineer – XP, Mob Work, GCP Platform

    Salt is looking for a Senior Kotlin Developer to work on a cloud-hosted platform in Investment Banking. The role emphasizes Extreme Programming practices and involves supporting a high-caliber front office engineering team in London. As a hands-on engineer, you will help replace a legacy bookbuilding s ...

    Remote Workato Integrations Pro — 12 Month Contract

    A consultancy firm is seeking a Remote Workato Developer for an immediate start on a 12-month contract. This role involves designing and optimizing integrations using Workato while collaborating with cross-functional stakeholders. The ideal candidate will possess proven hands-on experience with Workato and stron ...

    Senior Backend Engineer Scalable, Product Focused

    Fruition Group is seeking a Senior Backend Developer to join their fast-growing technology business in London. This role emphasizes building reliable backend systems and offers a collaborative environment with significant autonomy. The ideal candidate has extensive experience in Python and a solid unde ...

    Remote C++ Video Platform Engineer

    A video technology company in Greater London is looking for a passionate individual to join their team as a C/C++ Developer. The role involves optimizing the Media Engine of a cutting-edge video platform and collaborating with engineers to drive innovation. Candidates should have expertise in C/C++ and a genuine ...

    Senior iOS Engineer — Hybrid, AI‑driven Mobile Team

    Moneysupermarket Group is seeking a Senior iOS Developer to join the Mobile Collective, contributing to apps like MoneySavingExpert. The role involves leading feature delivery, writing solid Swift code, and collaborating closely with product teams in a hybrid work setup. Ideal candidates will have strong experie ...

    Senior Full Stack Engineer: React, TS & React Native

    TechBiz Global GmbH is looking for a Senior Full-Stack Developer to join a dynamic team in London, United Kingdom. This role involves developing cross-platform interfaces using React, optimizing performance, and collaborating closely within an agile team. Successful candidates will have several years o ...

    Senior Mobile Engineer – Hybrid, Scalable Payments Apps

    0026 Checkout Technology Ltd is seeking a Senior Mobile Developer to transform the shopping experience for millions. You will architect mobile solutions, collaborating with cross-functional teams to ensure high-quality, scalable products. The ideal candidate has a solid background in React Native and m ...

    Senior Frontend Engineer for AI Driven Fintech Scale Up

    Signify Technology is hiring a Senior Frontend Developer for a fast-growing AI Fintech in the UK. In this impactful role, you will collaborate within a strong engineering culture to shape product and engineering as the business scales. The ideal candidate will have robust experience in TypeScript, Reac ...

    Senior .NET Backend Engineer – Hybrid, Growth & Perks

    Trainline is looking for a dedicated Developer to join our team in Greater London. The role involves delivering high-quality software solutions, mentoring junior engineers, and overseeing the development lifecycle from coding to deployment. Candidates should have strong expertise in C# .NET and experience with C ...

    Remote C# .NET Engineer for Energy Trading Systems (AWS)

    VirtueTech Recruitment Group is looking for a C# .NET Developer to join the Trading Risk Management Centre of Excellence. This is a fully remote position where you will work on energy trading systems, integrating with various platforms and driving the evolution toward a SaaS architecture. The ideal can ...

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