1,348,291+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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Remote Kotlin AI Tutor & Software Developer (Part Time)

A forward-thinking technology firm in the UK is seeking a Freelance Software Developer (Kotlin) for an exciting AI Trainer role. You will design technical content, collaborate with engineers, and explore modern Kotlin frameworks while working on advanced AI projects. Candidates should have over 3 years of Kotlin ...

C# Software Developer for AI Driven Cloud Apps

A transformative technology company in the UK seeks a Software Developer to enhance their innovative product suite using AI. This role involves agile teamwork to deliver secure, scalable software solutions. Ideal candidates will have experience with modern frameworks such as React or Angular, and a proactive att ...

Remote MAUI App Developer | Cross Platform Mobile Expert

Vantify Limited in the United Kingdom is seeking a skilled MAUI developer to create high-quality cross-platform applications. In this role, you will be integral to delivering mobile solutions that are user-friendly and secure while collaborating with product managers and senior teams. The ideal candida ...

Power Platform Tech Lead — Hands On Senior Developer

Cognitive Group | Part of the Focus Cloud Group is seeking a Power Platform Tech Lead & Senior Developer responsible for leading the design and delivery of Power Platform solutions. This role focuses on hands-on development and technical leadership, ensuring high-quality solutions integrated with Dynamics 365 ...

D365 Business Central Developer – UK – £70k – Microsoft Partner

Dynamics 365 Business Central Developer – Microsoft PartnerUK (Remote/Hybrid)Up to £70,000 + BenefitsA leading Microsoft Partner in the UK is looking for a talented Dynamics 365 Business Central (D365BC) Developer to join its growing technical team. This i ...

Senior FX eRisk Java Developer Low Latency Trading

GCS Recruitment is seeking a Senior eTrading Java Developer for the FX eRisk team based in Canary Wharf, London. This role focuses on designing high-performance trading and pricing systems and requires strong experience in Java server-side development and multi-threading. Join a team driving low-latenc ...

Apigee API Architect Hybrid, 6 Month Contract

Arm in Slough is seeking a skilled Apigee Developer for a 6-month contract. The role focuses on designing and managing API solutions to ensure secure and scalable integrations. Ideal candidates will have proven experience with Apigee and strong problem-solving skills. This opportunity allows for hybrid ...

Site Reliability Engineer

We are seeking an experienced Site Reliability Engineer (SRE) to join our Group Technology Team in Milton Keynes. ConnellsX is Connells Group Technologys internal developer platform, built on Microsoft Azure. It simplifies cloud hosting, embeds security and compliance by default, and enables a fricti ...

Fullstack Engineer

About the role As a full-stack Engineer, you will be working as part of a high-performance team developing new solutions that put the customer at the heart of the product. We believe in shipping quality, tested, secure and consistent code. You will also work closely with other development teams a ...

Software Engineer, Enterprise

Role Overview Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high ...

Solutions Engineer, Enterprise

Role Overview Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high ...

Staff Engineer AI Driven Cloud Native PaaS Leader

SF Partners Admin is searching for a Staff Engineer based near Manchester with a strong background in full-stack TypeScript and AWS. The role involves leading product development and AI innovation, with responsibilities including working closely with the CTO and ensuring high delivery standards. Offeri ...

AI Driven Frontline Software Modernization Engineer

A leading enterprise software firm in the United Kingdom seeks an experienced Full-Stack Software Engineer to act as a Forward Deployed Engineer. This role involves embedding with teams to lead modernization efforts, drive AI-assisted SDLC practices, and manage technical changes. The ideal candidate will have ov ...

Principal GTM Business Development Specialist , Communication Developer Services

DescriptionThis position is part of the AWS Specialist and Partner Organization (ASP). Specialists own the end-to-end go-to-market strategy for their respective technology domains, providing the business and technical expertise to help our customers succeed. Partner teams own the strategy, recruiting, develo ...

Associate Product Developer, Worldwide Grocery Stores Private Brands

DescriptionThe Worldwide Grocery Stores Private Brands International team manage and develop our by Amazon grocery consumables brand for both the UK and pan EU, offering a mix of everyday essentials, local favourites and seasonal items we think our customers will want and love, all at great prices. Our goal ...

Python Counterparty Credit Risk Senior Developer, Vice President

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, ...

Technology Application Strategy Java Developer Assistant Vice President

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build ...

Senior Java Developer Fixed Income Algo Technology, VP

**_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Power BI Developer with SQL, Supply Chain Analytics

What you'll love about this job **• Develop and maintain Power BI dashboards and reports using data extracted from SQL Server databases** You will love this job if you thrive on turning complex data into clear, compelling insights that drive real business impact. This role is ideal for someone ...

Server Engineer

Server Engineer | Development | London | PermanentWe’re Hutch, a mobile games developer & publisher with studios in central London, Dundee and Canada. Our mission is to build the most diverse and engaged automotive gaming community on mobile. Our games have been played by over 280 ...

Security Engineer Product Security

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. Were redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes ...

Server Engineer

Server Engineer | Development | London | PermanentWe’re Hutch, a mobile games developer & publisher with studios in central London, Dundee and Canada. Our mission is to build the most diverse and engaged automotive gaming community on mobile. Our games have been played by over 280 ...

Business Development Manager (North PBSA/BTR)

# Business Development Manager (PBSA/BTR - North)### Sales## Business Development Manager (PBSA/BTR - North)**Location:** Remote (home/field-based covering the North of England and Scotland, including Manchester, Leeds, Liverpool, Edinburgh and Glasgow)**Hours: 37 hours per week Salary: £35,000 DOE + car allow ...

Software Engineer

As a Senior Product Engineer at Oneiro, you will sit at the intersection of product, engineering, and customer delivery. You will design, build, and ship high-quality features, workflows, and integrations that help financial institutions operate on DLX with confidence. This is a sen ...

Senior Java Engineer Backend

Senior Java Engineer - Backend We’ve signed up to an ambitious journey. Join us! As Arrive, we guide customers and communities towards brighter futures and more livable cities, it isn’t a challenge just anyone could take on. Luckily, we have something to help us make it happen. Ou ...

Senior Presales Engineer

The Role:  Pre-Sales Engineer / Solution Architect Design and develop solutions incorporating Grass Valley products, ranging from single components (such as video switchers, camera chains, or SDI routers) to more complex architectures, including Broadcast IP infrastructures, cloud-based solutions, and so ...

Forward Deployed Engineer

At Optimizely, we're on a mission to help people unlock their digital potential. We do that by reinventing how marketing and product teams work to create and optimize digital experiences across all channels. With Optimizely One, our industry-first operating system for marketers, we offer teams flexibility and ...

Senior Software Engineer in Belfast Ocho

Engage in Greenfield Projects Daily Technologies: AWS Angular Java React ASP.NET NodeJS Cloud C# Support JavaScript Years of Post-graduate Engineering Experience A ...

Hybrid Front End Engineer Streaming Platform

Deaf Unity is looking for an enthusiastic Core Front End Engineer to join its Streaming Viewer Technology team in White City, London. This hybrid role focuses on enhancing digital revenues and monthly active users on ITVX. Key responsibilities include collaborating with product managers and implementing reusa ...

Frontend Engineer — Fashion Tech (Clothing Allowance)

Lyst, located in Greater London, is seeking engineers to join their innovative team focused on fashion commerce technology. You will work on finding elegant solutions to complex problems using JavaScript and Python/Django, contribute to open source libraries, and collaborate on new features. The role e ...

Senior Front End Engineer – React/TypeScript (Hybrid)

Pearson Carter is looking for a Senior Software Engineer – Front End, with a salary of up to £75,000. The successful candidate will be part of a team that develops bespoke solutions for the iGaming industry, creating top quality mobile apps and websites for lottery, casino, sportsbook, and bingo operations. < ...

Senior Front End Lead: UI & Design Systems (Hybrid)

A leading music technology company is seeking a Senior Front-End Engineer to redefine the music industry through innovative technology. In this hands-on role, you will own and evolve the front-end architecture, work closely with product and design, and lead the development of reusable components. Applicants shou ...

Naimuri Frontend Software Engineer in Manchester QinetiQ

Qualifications Proven professional experience as a Frontend Software Engineer or similar role (3-4+ years). Strong proficiency in JavaScript (ES6+), TypeScript. Expertise in React. Solid understanding of web markup, including HTML5 and CSS3. Experience with respons ...

UI/UX Developer in London DNS Consultancy Ltd

Responsibilities Design wireframes, mockups, prototypes and user flows aligned to client/customer needs. Build responsive UI using HTML, CSS, JavaScript (and frameworks like React or similar), ensuring high quality across devices. Collaborate with backend developers, product ...

Front End Developer in Coleraine MCL InsureTech Ltd

Skills and Experience Practical experience using tools such as Figma to produce mockups Knowledge of HTML5, CSS, Responsive Design, APIs Knowledge of JavaScript/Typescript software development Experience with GIT (forking, branching, merging) Responsibilities </h3 ...

Senior React Native Engineer in London MILE

Senior Member Responsibilities As a senior member, you’ll play a pivotal role in shaping our customer-facing experiences across both our mobile app (React Native) and web platforms (React), including dashboards and our marketplace UI. This is a high-impact role for someone who thrives in an engineer ...

AI Engineer Insurance Tech, Hybrid Role

Acorn Group is looking for an AI Engineer to join their growing AI Squad in Liverpool City Centre. In this role, you will help build and deploy AI solutions to improve efficiency and customer experience in the insurance sector. The ideal candidate should have a strong technical foundation in AI/ML conc ...

Software Engineer

Job DescriptionAbout the opportunityWe are looking for an experienced Software Engineer to join our team working on a well-established payments and subscription platform built primarily around the Microsoft technology stack.Reporting ...

Software Engineer

Company DescriptionXplor Technologies powers the experiences at the heart of everyday life. Through modern vertical software, embedded payments, and AI-powered capabilities, we help businesses in fitness, recreation, golf and club, field services, laundry, education, and other member ...

Software Engineer

Company DescriptionXplor Technologies powers the experiences at the heart of everyday life. Through modern vertical software, embedded payments, and AI-powered capabilities, we help businesses in fitness, recreation, golf and club, field services, laundry, education, and other member ...

Software Engineer

Job DescriptionAbout the opportunityWe are looking for an experienced Software Engineer to join our team working on a well-established payments and subscription platform built primarily around the Microsoft technology stack.Reporting ...

Rates Quant Dev VP Production Trading Systems

Join a collaborative, fast‑paced team where your code powers systematic trading in global Rates markets. You will help transform research into robust, production‑grade strategies and platforms. Work closely with quantitative researchers and traders to design, build and evolve execution capabilities. Grow y ...

Customer Success Technical Architect

Overview As an Engineer / Senior Engineer in the Partner Applied Solutions team, you'll design and build internal tools, automation frameworks, and partner-facing assets that improve how partners and Confluent teams integrate, test, and operate event streaming solutions. You'll work across the Con ...

Senior Security Engineer

About the role You won't be sitting in an ivory tower throwing policies over the fence. You will be embedded directly within our Platform team in a true DevSecOps capacity. Operating as a highly technical individual contributor, you will bridge the gap between product-led engineering and Corporat ...

Software Engineer, AI Driven Interactive Worlds

About Iconic: We’re building digital actors: AI-driven characters that don’t just talk, but act; shaping the world, responding to the player, and driving stories that evolve through both words and actions. The Mission: We believe games and interactive media are on ...

Software Engineer

Build Industrial Technology That Has Real-World Impact A growing technology business at the forefront of industrial monitoring and predictive maintenance is looking for a Software Engineer to join its expanding engineering team in Bristol. This is an opportunity to work on a next-generati ...

Software Engineer

About Iconic: We’re building digital actors: AI-driven characters that don’t just talk, but act; shaping the world, responding to the player, and driving stories that evolve through both words and actions. The Mission: We believe games and interactive media are on ...

Technical Lead

Job Summary Wellington IT is a leading provider of Credit Union software in Northern Ireland and Ireland, delivering fintech solutions that power savings, loans, online banking, and more. As part of Volaris, we focus on growth and continuous improvement. Position Overview Technical ...

Senior Software Engineer – Customer Platform Engineering

Obsidian Security is a leading SaaS security platform that protects 200+ organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand. We offer a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source. </p ...

Associate Software Engineer

Ready to shape the future of MedTech, working with the latest SaaS technologies to transform patient care? We are seeking a highly motivated Associate Software Engineer to join our experienced engineering team. This is an incredible opportunity for a talented early-career developer to contribute to ...

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    Full Stack Javascript Developer Jobs in United Kingdom Job Search Guide, Trends and Insights