Fullstack Javascript Developer Jobs in UK

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.NET Developer – Remote/Edinburgh (Azure, Microservices)

A technology-driven fashion solutions company in Edinburgh is seeking a .NET Developer to work on a new subscription service aimed at enhancing the way customers shop for clothes. The ideal candidate will have extensive knowledge of .NET, C#, Azure SQL, and related technologies. This position allows for remote w ...

Graduate Web Developer Django, React & AWS

A leading cybersecurity firm is looking for a Junior Web Developer to join their engineering team in Cambridge. This role involves working on the Wolf Security Controller, a web-based management platform for endpoint security products. Candidates should have a Bachelor's degree in a STEM subject and a demonstrab ...

BI Developer | SQL/ETL Expert (Hybrid)

A leading UK organization is seeking an experienced BI Developer to join their data team. This permanent position offers a competitive salary of £60,000 and benefits like private healthcare and 25 days holiday. The role involves working across the full data lifecycle, including SQL development, ETL processes, an ...

Senior SFMC Developer: Elevate Personalization & CRM

A leading marketing consultancy in Greater London is seeking a Senior Salesforce Marketing Cloud Developer. You will be responsible for identifying client requirements, developing automations, and coding technical specifications. The ideal candidate has 4+ years of relevant experience, strong knowledge of HTML/C ...

Senior Python Developer GenAI Content Engine

A technology consulting firm is seeking an experienced software developer to create a Python-based application supporting marketing automation. The role requires strong backend development skills in Python, experience with API design, and cloud technologies like AWS. Candidates should possess excellent problem-s ...

.NET Developer (Remote) – Fashion Tech & Personalization

A progressive retail technology company seeks a .NET Developer to enhance their innovative subscription service that delivers personalized clothing experiences. The ideal candidate should have substantial expertise in .NET technologies, including .NET Core and Azure SQL. You will work on creating efficient and a ...

Weapon Systems Algorithm Developer (Hybrid, Flexible)

A leading defence organisation in Bristol is seeking an Algorithm Developer to join their Weapon Systems team. This role involves designing and testing mathematical algorithms using Matlab/Simulink and Python, collaborating with various departments, and enhancing the development process. The ideal candidate will ...

Junior Software Developer — Network Modeling Tools

A leading technology firm in Glasgow is seeking a Software Developer to contribute to their proprietary Network Model Management tool. You will join an Agile team, responsible for designing and implementing server and desktop applications for utility system models. The ideal candidate will have a Bachelor’s degr ...

Python Developer – FastAPI, Kubernetes & LLM/RAG

A leading financial services company in Belfast is seeking an Applications Development Intermediate Programmer Analyst. The role involves contributing to application systems analysis and programming activities, primarily using Python and FastAPI. Successful candidates will have over 3 years of experience buildin ...

Senior Power BI Developer Hybrid London

A growing technology company in the UK is seeking a Senior Power BI Developer to transform their data reporting landscape. This role involves designing and developing Power BI solutions, modernising Excel-based reports, and ensuring data quality and governance. Ideal candidates will have extensive experience in ...

FICS Upgrade Oracle Developer — Onsite Basildon

A specialized consulting firm in Basildon is seeking an experienced Microsoft Oracle Developer to support a FICS upgrade project. The role involves end-to-end participation in the upgrade lifecycle, database optimization, and collaboration with cross-functional teams. Candidates must have expertise in Oracle dev ...

AVP, BI Developer: Strategic Data Innovator

A leading financial institution in Greater London seeks a Business Intelligence Developer to design and enhance data systems. The role involves developing business intelligence solutions, collaborating with teams across geographical locations, and ensuring compliance with governance standards. Ideal candidates w ...

.NET Developer Cloud Microservices & Scalable Systems

A modern software company based in Newcastle upon Tyne is looking for a Dotnet Developer to join their Product Engineering team. You will design and build high-performance systems while enjoying a competitive salary of up to £60k along with excellent benefits including hybrid working, private healthcare, and a g ...

Java Developer: Secure National Platform & DevOps

A leading consulting firm in the UK is seeking an experienced Java engineer to enhance a national authentication platform. You'll play a key role in building secure and scalable systems within a collaborative and high-performing team. Key qualifications include strong Java skills, experience with cloud platforms ...

Platform Engineer AI Workflows & Developer Tooling

An innovative tech company in Crawley is seeking a Platform Engineer to design and improve tooling and platform capabilities. The role focuses on developing internal tools and integrating AI within an HPC software platform. Responsibilities include enhancing developer experiences, building automation systems, an ...

Salesforce Marketing Cloud Platform Developer (Hybrid)

A leading global technology firm in London seeks an experienced Salesforce Marketing Cloud Developer to join a high-performing CRM team. You will design automated journeys, optimise data flows, and ensure high-quality platform performance across various clouds. The role demands 3+ years of Salesforce Marketing C ...

Backend Developer (Kotlin/Java), UK – CIMAR

Company Overview CIMAR UK Ltd, now a part of DeepHealth, is a leading provider in the SaaS (Software-as-a-Service) healthcare sector, specialising in advanced cloud-based image management solutions. Our technology empowers healthcare organisations to optimise image management processes, enhance pa ...

Senior Salesforce Developer – Service Cloud & Automation

A leading review platform in Edinburgh is seeking a Salesforce Specialist to design and implement custom Salesforce solutions across various departments. This role requires expertise in Salesforce development, including Apex, Visualforce, and Lightning Web Components. The ideal candidate should have 5+ years of ...

Backend Senior OR Lead Magento Developer

Backend Senior OR Lead Magento Developer Back-end Senior/Lead Magento Developer We are a young, dynamic and rapidly growing web development agency based in SW London with some cool clients and great projects. Due to continued success and growth we are on the lookout for a talented se ...

Senior Front End Developer (SC Cleared)

Come join us and make a difference in the world! Discover more at Job Description As a Senior Front‑End Developer, you will help shape a high-profile UK public‑sector digital service, delivering an accessible and efficient experience for end users. Working in a project‑level, cro ...

Scala Developer High Performance Trading Platforms

A leading technology recruitment firm is seeking a skilled Scala Developer in Greater London. The role involves designing and developing high-performance trading systems, collaborating with quantitative analysts and traders. Candidates should have a strong background in Scala, functional programming principles, ...

C++ Trading Developer, Quant Trading Team

Responsibilities Continuously improve the design and performance of our automated trading system, including exchange connectivity, derivatives pricing model, order and risk management system. Implementing trading strategies which are highly adjustable in live trading and easy to i ...

Lead AI Developer and Automation Engineer

Overview Keplin Group is a fast-growing retail and e-commerce business selling across multiple major platforms including Amazon (Seller Central and Vendor Central), Shopify, eBay, Temu, TikTok Shop, OnBuy, B&Q, Debenhams, and Wilko. We sell under several brands including Keplin, LUGG, EcoBags, QOV ...

React Front end Developer Crypto Wallets

A technology firm in the United Kingdom is seeking a Middle React Front-end Developer to join their London office. In this role, you will develop front-end applications for cryptocurrency wallets and other blockchain-related projects. The ideal candidate will have over a year of experience in web app development ...

WordPress Developer — Flexible Freelance, High Impact

Join a vibrant community of WordPress experts and enjoy a steady stream of projects with competitive rates. In this role, you'll not only develop and optimize WordPress sites but also engage with clients, ensuring their needs are met with precision and care. This platform offers flexibility, allowing you to choo ...

Informatica Lead Developer Architecture & Tech Leadership

A leading technology recruitment firm is seeking a Lead Informatica Developer in Newcastle upon Tyne, England. This role involves developing custom software solutions, focusing on innovative software architectures and collaborating with cross-functional teams. Candidates should have advanced proficiency in Infor ...

Lead Salesforce Developer Hybrid, Flexible Hours

A leading UK manufacturing organisation is seeking a Salesforce Developer to join their team in Hull. The role involves designing and deploying custom solutions on Salesforce platforms while collaborating with the team. Applicants should have over 3 years of Salesforce development experience and a valid driver's ...

Information Developer ETL & BI (SQL Stack)

A healthcare organization in Doncaster is looking for an experienced Information Developer to enhance their data warehouse and reporting cubes. The ideal candidate will interpret complex requests, implement technical solutions using SQL technologies, and collaborate closely with teams. A degree or equivalent in ...

Mid level Software Developer in Test

Build the future of Test Automation for Connected TV Role We're looking for a Mid-level Software Developer in Test to join our Quality Engineering team at FX Digital. This is a hands‑on role for a genuinely self‑driven engineer who cares deeply about the work they do and loves bei ...

Senior Developer Advocacy Engineer | UK | Remote

Overview Grafana Labs is a remote-first, open-source company with a global user base. Grafana is used to monitor a wide range of environments, from beehives to large-scale climate data, with dashboards seen in diverse settings. The Grafana LGTM Stack can be run fully managed with Grafana Cloud or ...

Power Apps Developer UK (Remote) CGBP60K

Power Apps Developer - UK (Remote) - C£60K An award-winning consultancy is looking to appoint a Power Apps Developer to join their growing team. This is an exciting opportunity to work on innovative project and portfolio management (PPM) solutions, supporting well-known organisations in maximisin ...

.NET Developer — Remote/Birmingham • C#, Azure

A dynamic and innovative company is seeking several .NET Developers to join their team in Birmingham. This role offers the chance to work on enterprise-level software projects using cutting-edge technologies such as .NET 9, C#, and Azure. With a focus on career progression, successful candidates can expect multi ...

Software Developer Operations Technology (Web Apps)

A global financial services platform is seeking a Software Developer to help build modern web applications. The role involves designing, coding, and testing software components while ensuring high-quality standards and adhering to best practices. Candidates should have strong experience with C# .NET and familiar ...

Java Developer (SC Cleared) – Cloud & Geospatial

A technology solutions firm is seeking a Java Developer to join a collaborative Agile Scrum team in Newcastle upon Tyne. You will be responsible for building innovative geospatial solutions using modern cloud technologies. The ideal candidate will have strong Java experience, familiarity with cloud services, and ...

Senior .NET Developer Hybrid (Edinburgh/Glasgow)

A fast-growing SaaS company is seeking a Senior .Net Developer to create high-quality, secure code within an agile setting. The position offers hybrid work between Edinburgh and Glasgow, competitive salary, bonuses, and a comprehensive benefits package. You will collaborate with teams, mentor junior developers, ...

VCARB F1 Team Senior Software Developer

VCARB F1 Team - Senior Software Developer Full-time Travel: 0-10 Organization: Racing Bulls – UK Branch Job type: Permanent Visa Cash App Racing Bulls F1 Team is one of two Red Bull‑owned F1 teams. Today’s Formula 1 calls for a high leve ...

Java Microservices Developer – Spring Boot + Cloud

A leading consulting firm is looking for a Java Developer in Newcastle upon Tyne. In this role, you will provide innovative solutions, develop services using JDK 11+ and Spring Boot, and collaborate with cloud teams for deployment. Along with a competitive salary, the company offers 25 days of vacation and priva ...

Secure Java Developer – Microservices & Cloud (Hybrid)

A leading consulting firm in the UK seeks an experienced Java Developer to design robust microservices and build secure integrations for public sector projects. The role offers a competitive salary between £40,000 - £50,000 and comprehensive benefits, including 25 days annual leave. You will work on impactful pr ...

Developer Platform Lead: Governance, Enablement & Scale

A leading engineering services company in Birmingham is seeking a Developer Platforms Specialist within IT Services. The role involves owning governance frameworks for developer platforms, managing lifecycles, and closely collaborating with engineering teams to enhance platform strategies and tooling. Candidates ...

PHP Developer Intern — Backend & API Builder

A modern tech firm is seeking a proactive PHP Developer Intern to join their development team in Greater London. This role offers a fantastic opportunity to gain real-world experience in backend and web application development using PHP. Interns will collaborate with experienced developers on live projects, enha ...

Front Office .NET Developer Analytics & APIs

A global energy trading company is seeking a .NET Developer to join their Front Office Quantitative Engineering Team. This permanent role focuses on building and maintaining high-performance analytics platforms utilized by traders. Candidates should have strong .NET skills, experience in API development, and a C ...

Java Developer (Junior Mid) Payments Platform

A global payments company in Greater London is looking for a passionate Junior-Mid Java Developer to join their collaborative team. The role involves designing, developing, and implementing Java-based applications while ensuring scalability and performance. Ideal candidates will have a Bachelor's degree in Compu ...

Senior Software Developer Market Making Technology

Senior Software Developer - Market Making Technology London, GB Full-Time Information Technology About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to client ...

Senior CPU Performance Developer Technology Engineer

We are now looking for a Senior CPU Performance Developer Technology Engineer. NVIDIA is seeking an outstanding computer scientist to join its Compute Developer Technology (Devtech) team. This role focuses on research and development techniques to optimize key Cloud and HPC CPU workloads on NVIDIA’s CPU. T ...

CodeIgniter & Laravel Developer with Birthday Off

A Manchester-based software company is seeking an experienced developer to join the team. You will be responsible for developing and enhancing key products, including a Website Content Management System and Admin Management software. This role offers the chance to make real improvements based on client feedback ...

Dynamics 365 CE Developer (Field S...

Dynamics 365 CE Developer (Field Service) Rate: £450‑£500pd (Outside IR35) Location: Remote – Must be UK based. Work Type: Contract – 3 months We are supporting a globally operating organisation as they continue a significant phase of their Dynamics ...

Frontend Developer (React) — Impactful, Agile & UX

A leading technology consultancy in Greater London is seeking a passionate Front End Developer to join their agile team. The role involves developing user-focused software, mentoring juniors, and ensuring high-quality code. Ideal candidates will have strong REACT skills and experience working in multi-disciplina ...

Senior Developer .NET/C# – Roosendaal – Hybrid

Are you a creative and analytically strong Senior .NET/C# Developer ? At Active Ants (soon to become Paxon) in Roosendaal, you will work on Maya , our self-developed Warehouse Management System, and on the services that connect more than 300 webshops to our fulfilment environm ...

Senior Python Developer — FastAPI, Kubernetes & LLMs

A multinational financial services corporation in Belfast is seeking a highly motivated Senior Python Developer for its Wholesale Credit Risk Technology team. The role involves designing and delivering innovative technology solutions for the front office within a collaborative environment. Candidates should have ...

Junior Software Developer Intern B2BG Services

Are you passionate about coding, problem-solving, and creating impactful applications? Join us as a Junior Software Developer Intern and gain hands-on experience in modern software development methodologies, frameworks, and tools. Internship Responsibilities & Learning: ✔️ Assist in co ...

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