Contract Fullstack Javascript Developer Jobs in UK

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Lead Gameplay Developer

Lead Gameplay Developer Location: Remote-first Type: Full-time Start: ASAP About Couch Heroes At Couch Heroes, we’re exploring new ground for the MMO genre. In a w ...

Back End Developer

• Job Title: Senior Back End Developer (Python) • Salary Range: £100,000 – £120,000 + Bonus • Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data plat ...

Azure Integration Developer

Azure Integration Developer | Global Enterprise Technology Organisation | London We’re partnering with a global, high‑performing organisation currently modernising and scaling its cloud integration and API platform across international markets. As part of a wider digital tr ...

Big Data Developer

Big Data Engineer (AI Research & Applied Systems) Python, Knowledge Graphs Worcestershire (Hybrid working, 1 day a week in office, possibility for additional flex) Permanent SC or DV Clearance required ...

Senior Ruby Developer

Senior Ruby Developer - Leading Health Tech - Hybrid Salary: Paying £75,000 - £100,000 + Equity Industry: Health Tech (Tech for Good) Location: Hybrid, 2 days a week in Central London ...

Senior Frontend Developer

Senior Frontend Engineer, London Salary - 80,000 – £100,000 + bonus Location - London | Hybrid (2–3 days in office) A new Senior Frontend (React.js) Engineer is needed to join new t ...

Power BI developer

Power BI Developer Contract - 6 months - £550-600/day via umbrella London - Hybrid We are seeking an experienced Power BI Developer to support a highly regulated banking environment. This role will focus on delivering accur ...

Back End Developer

Backend Engineer, London, £55,000 - £65,000 + Benefits (including share options) A Backend Software Engineer (Typescript, Node.js ) is needed to join an ambitious and fast-scaling technology company operating within a regulated market. This role is based in ...

Graduate Software Developer

Infodata are an established UK based developer of application software, building innovative software solutions for hotels, UK private members clubs, restaurants and other areas in the hospitality sector throughout the UK. We are looking for two new (or very recent) graduates in compu ...

Lead Frontend Developer

Lead Frontend Developer (TypeScript / Next.js) – Leeds (Hybrid) Up to £70,000 + strong long-term opportunity Leeds (2 days onsite, central location) The Role We’re partnering with a growing organisation looking for a Fro ...

Senior Product Developer

Due to rapid growth and internal promotions, I’m exclusively recruiting for an experienced Senior Product Developer/Garment Technologist to play a key role for leading their outerwear department of an expanding brand in effectively managing complex processes without compromising on product quality. <b ...

Lead Python Developer

Lead Python Developer – Climate Tech Non-Profit | Major Philanthropic Backing | Real Engineering Problems London (Hybrid, 2/3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most ...

Electronic Trading Developer

Senior Trading Systems Developer London | Hybrid Electronic Trading / Low Latency Infrastructure / Crypto Markets A leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance tr ...

Senior Software Developer

Senior Software Developer | Cambridge | Hybrid | Up to £80,000 plus benefitsI am currently working with a Global leader in industrial software who are looking for a Senior Software Developer to join a strong and talented team of developers working on their core platform.You will be worki ...

Principal Software Developer

Principal Software Developer | Cambridge | Hybrid | Up to £90,000 plus benefitsI am currently working with a Global leader in industrial software who are looking for a Principal Software Developer to join a strong and talented team of developers working on their core platform.You will be ...

Dynamics 365BC Developer

D365 Business Central Developer Location: UK based – predominantly remote Salary: Up to £65,000 + benefits Type: Permanent A mid-sized Microsoft Partner is looking for an experienced Dynamics ...

Full Stack Developer

Location: Manchester / Hybrid Department: IT About the Role A clinical trials organisation is seeking a Full Stack Developer to support the design, development, and maintenance of secure, high-quality software solutions. The successfu ...

Back End Developer

Title: Senior Java Dev (Spring Boot) Rate: £700 per day (Inside IR35) Location: Fully remote (UK Only) Contract: 9 months We’re ...

Back End Developer

Insight Global is searching for a Sr. Backend Engineer to join the team of our largest entertainment streaming clients. This person will join the senior level team that works on the company’s multiple partnership platforms focused on search and discovery features, billing, payment, and viewing. This person sh ...

Junior Java Developer

We're Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: </stron ...

Java Software Developer

About Persistent: We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive a ...

Back End Developer

About Hyalli Hyalli is a UK-based proptech platform reimagining how people find, verify, and move into rental properties. We are building the trust and identity layer for the rental market — combining verified profiles, intelligent matching, referencing, onboarding, and property management i ...

Software Developer & Modeller

Software Developer & Modeller Here at KDC, we have a requirement for a highly skilled Software and Modelling Engineer to support a customer satellite project. Primarily responsible for the design, development and integration of the hardware-in-the-loop sim ...

Senior Frontend Developer

Senior React Developer - Remote (UK-based) - Up to 80k - Fintech Morson Edge have teamed up with a fintech company on their search for a Senior React Developer to help evolve and enhance the frontend. You’ll be working on a complex, data-driven web applica ...

Senior Python Developer

Up to £600/day | 6 months | Remote | Immediate Start I'm hiring for a Senior Python Engineer for an initial 6-month contract. The role is ideal for engineers who enjoy owning features end-to-end while spending the majority of their time building scalable backend services ...

Senior Python Developer

Role: Python Backend Developer Skills: Python, Pydantic, PostgreSQL, Numpy, Pandas, Work-Model: 1-2 days a month office-visit Salary: up to £90,000 A Senior Python Backend Engineer is needed to join growing software house in London who specialise in helping businesses re ...

Back End Developer

Searchability are partnered with a well-funded Series A startup building one of the most exciting collaborative canvas / whiteboard developer platforms in Europe. Their product enables companies to build rich multiplayer drawing, diagramming and infinite canvas experiences directly into their own applications ...

Business Developer Manager

Business Development - Luxury Interiors | Central London | £45-50k + Uncapped Commission (OTE £80k-£150k+)Are you a commercially driven relationship-builder with a passion for property, design, and delivering exceptional client experiences?I'm representing a fast-growing interiors brand ...

Senior Java Developer

The Role Our work is driven by integration with a multitude of provider systems, ranging from traditional Global Distribution Systems (GDSs) like Sabre and Amadeus to Low-Cost Carriers (LCCs) and the cutting-edge New Distribution Capability (NDC). With NDC, we are at the forefront of an industry ...

Cloud Applications Developer

Cloud Application Developer Location: On site 5 days per week (1 hour drive from site) from Manchester, Central London or Gloucester. Due to security vetting requirements, candidates must be UK nationals or sole British citizens and have resided in the UK for at least 10 years. DXC Techno ...

Senior C++ Developer

Senior C++ Developer Responsibilities Participate in the design, development and testing of financial markets software products. Developing and integrating different ways of information visualisation Evolve technically while working on data-intensive, latency-s ...

Lead Java Developer

Have you got experience leading a team while remaining hands‑on and technically involved? Salary : up to £130k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has bee ...

Java & .NET Developer

Role Overview As a Software Engineer, you will work in a collaborative, high‑performing delivery team responsible for building and supporting mission‑critical platforms that ensure Sky’s content reaches millions of customers across products such as Sky Q, Sky Glass, Sky Go and NOW. Hybrid ...

Senior BI Developer

Senior BI Developer Up to £75,000 About the Role I am seeking an experienced Senior BI Developer to support the design, development and optimisation of modern cloud‑based data platform within a global manufacturing organisation specialising in the production of high‑quality equi ...

Senior Java Developer

Matillion is the intelligent data integration platform. We're changing how the world works with data – and we need driven, curious people who think big and move fast. We built the Data Productivity Cloud to supercharge data productivity, and now we’re shaping the future of data engi ...

Sales & Business Developer

Chesamel Group is an agile consultancy headquartered in London, focused on driving extraordinary growth for forward-thinking businesses through innovative, bespoke solutions. The team challenges traditional thinking to deliver transformative business outcomes using human ingenuity and advanced technology. </p ...

Senior Product Developer

Due to rapid growth and internal promotions, I’m exclusively recruiting for an experienced Senior Product Developer/Garment Technologist to play a key role for leading their outerwear department of an expanding brand in effectively managing complex processes without compromising on product quality. Lea ...

Java Quantitative Developer

Java Quantitative Developer London – Hybrid Java, Low Latency, Algo Trading, Pricing, Hedging, FX/Crypto, DeFi, AWS The company This is an unmissable opportunity for an experienced Java Quantitative Developer to join the crypto trading desk of one of the leading institut ...

Lead Informatica Developer

Location: Hybrid (London, Corby or Manchester) Job Type: Permanent RS Group is looking for a Lead Informatica Developer to join our team on a permanent basis. This is a key role supporting the development and evolution of our global Customer Data Master (CDM) platform – a cr ...

Frontend Developer React

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up – thin ...

Senior Software Developer

Senior Software Developer | Cambridge | Hybrid | Up to £80,000 plus benefits I am currently working with a Global leader in industrial software who are looking for a Senior Software Developer to join a strong and talented team of developers working on their core platform. You will be work ...

Software Developer, Backend

As a Software Developer, you will work alongside a team of talented developers to deliver high quality, scalable solutions on Linux and Cloud platforms. Full-time Closes 10/06/2026 The Placement and CashOut team are responsible for the orchestration and fulfilment of user-driven bet place ...

Senior .Net Developer

Senior .NET Developer, below skills and responsbilities required: Back-End .Net, C# Dev with some knowledge of Front-End, specifically Angular 19 experience 8 – 10 years experience, ideally with some Primary Markets within Investment Banking Server side Development Must ...

.NET Developer Bloxham

(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 cou ...

Senior Cloud Developer

Description We are looking for a Lead Cloud developer to join our growing engineering organisation developing a wide range of market-leading InsurTech solutions. You will be working in flexible agile squads delivering value on multiple greenfield workstreams in the delivery family to deliver core ...

Senior Software Developer

Senior Software Engineer - Malvern YT Tech is representing a market‑leading Security Technology firm in Malvern currently scaling its R&D team. We are looking for a Senior Software Engineer to take technical ownership of a business‑critical product codebase within a multidisciplinary environment. ...

Process Automation Developer

This is an exciting opportunity to join Delta Capita’s fast-growing Consulting business, delivering innovative workflow and automation solutions within complex financial services environments. Process Automation Developers design, build, and maintain scalable workflows using low-code technologies, ...

Lead Java Developer

We are seeking an experienced Lead Java Developer with CIAM (Customer Identity and Access Management) expertise to design, develop, and lead the implementation of scalable and secure identity solutions. The ideal candidate will have strong technical leadership capabilities and deep proficiency in modern Ja ...

Business Central Developer

Business Central Developer (Junior–Mid Level) Are you a developer with strong backend skills looking to step into a more client-facing, consultative role ? We’re working with a growing Microsoft partner who are looking to bring in a Business Central Developer to sup ...

Senior Product Developer

The Company An exciting opportunity for an Experienced Product Developer to join a successful cosmetics company. As a business, they offer a wide range of beauty solutions. You will have responsibility for overseeing this complete product development process for your assigned categories, presentin ...

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