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    • 43,225+ Software Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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    Greenfield Front Office Java Developer – Hybrid London

    Hunter Bond is seeking a Front Office Java Developer to join an elite investment institution in London. You will build high-performance pricing and analytics tools, collaborating directly with traders and quants in a greenfield role. The position offers a competitive compensation package of up to £130k ...

    Senior Web Developer: Build High Impact .NET Solutions

    The MTM Agency, based in Southampton, is seeking a Senior Web Developer to ensure high code quality and drive process improvements. You'll collaborate with technical architects and engineers to deliver high-standard projects. Key responsibilities include software development, project management, and pa ...

    Senior Backend Engineer | Node.js, TypeScript | Hybrid

    A dynamic software company based in London is seeking a highly experienced Lead Backend Developer. This role involves designing and building robust backend systems using Node.js and TypeScript. You will work closely with cross-functional teams to develop high-performance APIs and manage databases. Ideal candidat ...

    Front End Engineer in Newcastle (React/TypeScript) with UX Focus

    Core-Asset Consulting Ltd is seeking a skilled Front-End Software Developer to join their team in Newcastle upon Tyne. This position provides a unique opportunity to contribute to challenging projects and deliver high-quality user-facing solutions in a collaborative environment. The ideal candidate wil ...

    Backend Software Engineer – Golang/C# (Hybrid)

    bet365 Group is seeking a full-time Software Developer in Stoke-on-Trent to work within a talented team to deliver high-quality solutions on Linux and Cloud platforms. You will enhance our flagship Sports systems and tackle challenges in building low-latency, scalable solutions while gaining exposure to Golang. ...

    Senior Cloud Developer (AWS) — Hybrid Leeds

    A leading recruitment agency in the UK seeks a Software Developer specializing in Cloud (AWS) for a hybrid role in Leeds. The successful candidate will have 5-7 years of experience and will design, develop, and maintain cloud-based applications using modern programming languages and AWS services. Responsibilitie ...

    Senior Proximity Developer, Front Office .NET

    Natixis NY Branch is looking for a skilled developer to support business-critical applications within the Commodities Markets team. The role offers the opportunity to work on flexible, scalable software for front office users while collaborating with global teams. Key requirements include strong experi ...

    Android Engineer Kotlin, Jetpack Compose & CI/CD

    Just Eat Takeaway.com is looking for a talented software developer to join their core android team in Bristol, UK. This role involves designing, developing, and maintaining applications while collaborating with cross-functional teams to deliver high-quality solutions. Candidates should have experience in Kotl ...

    Senior Full Stack Dev (C#/.NET) — AI‑First Finance

    Marex in Greater London is looking for a Senior Full Stack Developer specializing in C# .NET to drive secure, AI-first web-based platform development. This pivotal role requires delivering robust applications while ensuring compliance with financial systems’ standards. The ideal candidate will leverage ...

    Senior Java Backend Engineer — Hybrid, London

    HCLTech is seeking a Senior Java Backend Developer with over 15 years of experience. The role involves developing innovative backend solutions using Java 17 and Spring Boot, working in a hybrid model with 2 days onsite and 3 days remote in London, UK. The ideal candidate should possess strong skills in ...

    Hybrid C# .NET Developer — Azure & SQL

    Sivara GmbH is seeking a skilled C# .NET Developer based in Newcastle upon Tyne. You will develop and maintain custom web applications, working with technologies like ASP.NET, SQL Server, and Microsoft Azure. The ideal candidate will have over 3 years of experience and proficiency in C# and .NET Core. ...

    Oracle DB Developer — Hybrid London | PL/SQL & HA

    Lorien's banking client is seeking an Oracle Database Developer in London to integrate local Settlement activity into the Global Settlement platform. The ideal candidate will have strong software-development and analytical abilities, and be familiar with C/Pro-C, SQL, Oracle PL/SQL, and C#/.NET. This r ...

    Java Developer – Microservices & Kubernetes (Contract)

    A leading IT services provider is seeking a Java Developer to join their team on a 12-month contract in Glasgow. This role involves collaborating with stakeholders to deliver innovative solutions utilizing Java 17 and microservices. Developers will apply expertise across the software development lifecycle in a d ...

    Hybrid Backend Engineer: B2B APIs & Cloud (C#, AWS)

    Join tombola in Sunderland as a Software Developer! You will contribute to backend development for our B2B platform, building reliable systems for external integrations. This role involves working with technologies like C#, .NET, AWS, and more. You will design APIs and maintain backend services, ensuri ...

    AI Fleet Orchestration Engineering Lead

    Dangote Industries Limited is seeking an experienced leader for the Platform Developer Experience team to drive the development of AI-native backend systems. You will shape how AI is integrated into platform infrastructure, thereby improving how developers ship software at scale. The ideal candidate ha ...

    Senior Android Drone Navigation & Flight Control Engineer

    Renewable Energy Systems Ltd, a leader in renewable energy, is seeking a Senior Android Developer in Kings Langley or Glasgow. You'll develop Android applications for drone navigation and control, working with SDKs like DJI's. The ideal candidate has over 5 years of experience and a degree in engineeri ...

    Backend Engineer: High Performance Storage & I/O

    CGG Services (UK) Limited is seeking a skilled Software Developer focused on High-Performance I/O & Storage Systems. The role involves designing and developing high-performance backend services and APIs to ensure efficient data handling across distributed environments. Ideal candidates will possess str ...

    Fullstack UI (Java) Developer in London Luxoft

    Objected-Oriented User-Facing Software Developer Profile Proficient in Java (1.8+) Strong development experience in React and React Hooks Experience developing finance models (e.g. forecasting models) a plus Locations: Krakow, Wroclaw, and London Responsibilities ...

    Senior React and TypeScript Engineer (Hybrid, 12m)

    TechNET IT Recruitment Ltd is looking for a React Developer based in Burgess Hill. The role is hybrid, requiring 3 days onsite, and involves designing and developing responsive web applications using React and TypeScript. The successful candidate will work in a high-performing engineering team, ensurin ...

    High Performance I/O & Storage Backend Engineer

    Dormont Manufacturing Co in Crawley is hiring a Software Developer specializing in High-Performance I/O & Storage Systems. This role focuses on designing, building, and improving services for efficient data access and storage in distributed environments. The ideal candidate will work on backend service ...

    Senior Cloud Security Engineer — Automation & SRE

    United States Digital Space LLC is looking for a Senior Cloud Security Developer to join their team in London. This is a permanent, full-time position focusing on enhancing the company's cloud security posture across multiple platforms like AWS, Azure, and Kubernetes. The ideal candidate will have expe ...

    Backend Engineer (Java/Python) – Risk Analytics, London

    Hunter Bond is seeking an experienced Java/Python Software Developer to join their technology team in London. This hybrid role focuses on designing and developing scalable backend applications for risk platforms within a leading global financial organization. The ideal candidate will have strong expert ...

    Front Office Proximity Developer C#/.NET (Commodities)

    United States Digital Space LLC in the Greater London area is seeking a skilled C#/.NET developer to design and support user software applications tailored to the commodities markets. This role requires a strong background in financial markets, effective communication skills, and the ability to work in a fast ...

    Senior C# Engineer Platform Reliability & Performance

    Sivara GmbH is seeking a Senior C# Developer for a full-time, onsite role in Birmingham. This permanent position offers a salary ranging from £50,000 to £80,000 based on experience. The ideal candidate will have proven experience in software development, focusing on platform stability and performance. ...

    C# .NET Data Engineer | SSIS/SQL Server | Hybrid

    A leading bank in Central London is seeking a Software Developer with expertise in C# Dot Net and SQL Server. The ideal candidate will have over 7 years of experience, including working on banking systems, particularly Core Banking. Responsibilities include developing new systems, supporting IT changes, and bein ...

    .NET Developer Remote, AI Driven Modern Stack

    A leading technology company, located in Worcester, UK, is seeking a .NET Developer to develop revolutionary software solutions. The role requires strong skills in .NET, .NET Core, C#, and Azure SQL, with training available for the latest frameworks like .NET 10.0 and Azure AI. This position supports remote work ...

    Frontend Engineer – Web & IoT for Construction Tech

    rmg digital, a high-growth construction technology company, is looking for a software developer to join their R&D team in Hitchin. The role focuses on building modern web and mobile applications that integrate with hardware systems used on live construction sites. You'll work with technologies like Nod ...

    SC Cleared AI Engineer – Production AI, Hybrid

    Morgan Hunt Recruitment is seeking an experienced AI Developer (SC Cleared) for a hybrid role based in Canary Wharf, London. This contract position, paying £700-£800 per day, involves designing and deploying cutting-edge AI solutions for a leading UK government organisation until September 2026. The id ...

    Golang Backend Engineer — AI, OpenSearch on AWS

    S-RM, a leading global intelligence and cyber security consultancy, is recruiting a Golang Developer in London. This role is pivotal in supporting the Corporate Intelligence team, focusing on developing complex software products. Responsibilities include designing backend services in Golang, evolving APIs, and d ...

    Senior Scala Developer — Hybrid, Cloud & Full Stack

    A leading technology consultancy firm in the UK is seeking an experienced Full-stack Developer to support the full life cycle of software development. The role involves coding with technologies such as Scala, Java, and .Net, and offers fast-track career development opportunities. Candidates should have at least ...

    Naval Oracle Forms Developer – Hybrid, SC Cleared

    Advanced Resource Managers Ltd is seeking an Oracle Forms Developer for a 6-month contract, offering up to £550 per day. The position is hybrid with offices in Bristol or Leicester and requires current SC Clearance for eligibility. The role involves leading software development projects that support th ...

    Senior Laravel Backend Engineer | Hybrid (London)

    A dynamic software startup in Greater London is looking for a Senior Backend Developer with strong Laravel experience. You will build APIs and collaborate with cross-functional teams while ensuring high-quality code is delivered. The role offers competitive benefits, including a salary of £70k - £90k, a hybrid w ...

    Java Backend Engineer Secure, DV Cleared & Microservices

    Forwardrole is looking for a Java Developer to join a small engineering-led team dedicated to delivering secure software and data capabilities in sensitive National Security environments. The ideal candidate will have strong Java backend development experience and work across modern microservices archi ...

    C# .NET Developer — Build Cloud Data Tools on Azure

    Solus Accident Repair Centres Company in Stansted Mountfitchet is looking for a Software Developer to enhance their award-winning IT system, Evolve. This position involves developing new features and products in a cloud environment using technologies like C#, .NET, and Angular. The ideal candidate will ...

    Lead Python AI & LLM Engineer — Hybrid London

    Client Server Ltd. is seeking a Lead Software Engineer / Developer / Consultant in London to architect AI solutions and drive impactful outcomes. The role involves leading client projects, deploying multi-modal LLMs, and collaborating within a diverse team with a hybrid work policy. The ideal candidate ...

    Platform Engineer: Build DevOps Tools & Pipelines

    CGG Services (UK) Limited in Crawley is seeking a Software Development Engineer to design, build, and maintain internal tools and services for engineering teams. This role emphasizes automation and improving developer workflows, requiring solid programming experience and familiarity with modern technology sta ...

    Graduate .NET Developer — Agile Growth & MCP Training

    NBS, located in Newcastle upon Tyne, is offering a Graduate .NET Developer position in their award-winning office. You will be part of a dynamic agile team contributing to innovative software solutions for the construction industry. This role is perfect for ambitious individuals eager to learn and deve ...

    RPG Analyst Programmer

    11684CM£50k – 60k per yearRPG Analyst ProgrammerOur client is urgently looking for an experienced RPG Developer to join their team on a permanent basis.You will be well-versed in programming RPG on IBM AS400, you will lead the design, development, and support of core busi ...

    Full Stack Engineer

    We are seeking a highly skilled Java Full Stack Developer / Senior Developer to join a critical Private Sector engagement in the UK. The ideal candidate will have strong experience in designing, developing, and maintaining enterprise-grade applications using Java, AWS, and AngularJS .This role offer ...

    RPG Analyst Programmer

    11684CM£50k – 60k per yearRPG Analyst ProgrammerOur client is urgently looking for an experienced RPG Developer to join their team on a permanent basis.You will be well-versed in programming RPG on IBM AS400, you will lead the design, development, and support of core busi ...

    UI/UX Developer (Full time Job)

    Job Category: UI/UX DeveloperJob Type: PaidJob Location: On- Site (GIDC, Kalol, Gandhinagar, Gujarat) About Purezza Technologies Purezza Technologies is a fast-growing and forward-thinking technology ...

    Lead Developer – SC or DV Cleared (Azure /.NET / Microservices)

    SC or DV Cleared Lead Developer (Azure / .NET / Microservices)Location: London / Manchester / Bristol / Glasgow (Hybrid) Clearance: Active SC Clearance (essential) Rate: £550-6500 per day (Inside IR35) The Opportunity<b ...

    Lead .NET Engineer — Azure & Microservices

    Cavendish Professionals is seeking a Lead .NET Developer to join a dynamic team on a 12-month contract. You will lead and mentor a Scrum team of 6, ensuring high-quality backend development using C#, .NET 8, and Entity Framework Core. The ideal candidate has 7+ years in software development, with stron ...

    AI Field Engineer: Enterprise Cloud for Public Sector

    WeAreTechWomen is seeking an AI Forward Deployed Engineer to join Google Cloud's Innovation team based in the United Kingdom. This role entails working directly with clients to deploy advanced AI solutions, bridging the gap between theoretical AI concepts and practical implementations. The ideal candid ...

    Senior Software Engineer C# .Net Core FinTech

    Senior Software Engineer C# .Net Core - FinTech This range is provided by Client Server. 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 Client Server Senior Softwa ...

    Remote .NET Developer — Enterprise Web Apps

    Noir is seeking a .NET Developer for their Bloxham, Oxfordshire office, with remote working available. You’ll work with enterprise-level software development projects and will be engaged in cutting-edge technologies such as .NET, Azure, and C#. This role offers impressive salary packages from £40,000 t ...

    Senior Software Engineer (Java/C++) – Client Facing, DV Cleared

    Gattaca, a leading consultancy in the Defence & Security sector, is looking for an experienced Software Developer to join their team in Leatherhead. The position involves tackling challenging real-world problems in a collaborative environment, contributing to both day-to-day delivery and long-term technical d ...

    Java Backend Engineer – Microservices & AWS

    Caesars Sportsbook & Casino in Leeds is seeking a backend developer to join our US Product Development team. You will build innovative retail systems for Sportsbooks and hotel check-in kiosks. Responsibilities include designing Java microservices and collaborating with QA for high-quality software delivery. < ...

    Senior Python Engineer Data Driven Fintech, Hybrid/WFH

    Client Server is seeking a Senior Python Developer / Software Engineer to join their growing Fintech team in London. The role offers a competitive salary up to £120k with a hybrid working model, requiring three days in the office and flexibility to work from home. You'll be responsible for developing s ...

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