Contract Fullstack Javascript Developer Jobs in UK

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Fullstack Engineer | $55/hr Remote

Design, develop, and optimize scalable fullstack applications using React and modern backend technologies. Drive high-performance frontend development, focusing on state management and advanced UI/UX solutions. Architect secure authentication and API systems, ensuring robust data flo ...

Senior Fullstack Engineer Admin/AI

The Role Title: Senior Fullstack Engineer (Admin & AI Enablement) Team: Admin & AI Enablement Location: Remote / London / Hybrid (TBD) Salary: £90,000 - £110,000 This role will be a key part of building Midnite's new internal back office platform and shaping how in ...

Senior Fullstack Growth Engineer — Remote

Framework Ventures is seeking a Senior Software Engineer to join its Growth Product team. This fully remote role involves tackling complex problems that blend product thinking with engineering excellence. As a crucial member of the team, you will develop full-stack applications and collaborate across design, dat ...

Sr. Software Engineer, Fullstack (UK)

Who We AreAt Firstup, our mission is to improve the employee experience at every moment that matters, large and small. As the communication pipeline for the world's workforce, we now serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily.Our employees are exper ...

Senior Fullstack Engineer Admin/AI

🚀 Why Midnite?Midnite is a next-generation sports betting and gaming platform built for a new wave of players.We combine sharp product thinking, bold brand, and fast execution to create experiences that feel modern, intuitive, and built for how people actually play today. ...

Full Stack Javascript Developer Central London (IT) in London Nexus Jobs Limited

Front-End and Back-End Development Position For the Back-End part of the position, you must have the following skills: Experience of Node JS or JAVA, PHP, Python - which are preferred - along with strong problem solving and Data Structure. Must have excellent knowledge of HTML5 ...

Full stack PHP Developer

Creative Clicks is a leading mobile performance marketing company with a highly converting product portfolio. We identify opportunities in mobile performance-based marketing and scale them internationally across 65+ countries. With more than 150 employees from 25+ nationalities, we operate with the speed o ...

Software Developer

Software Developer 6-month contract Edinburgh Hybrid Outside IR35 480 per day Harvey Nash's public sector client is currently looking to recruit a Developer to join their team based in Edinburgh for an initial 6-month period. Description: An experienced developer with solid commercial AWS development experience ...

Senior Software Engineer (Django Fullstack)

Department: Tech Hub Employment Type: Full Time Location: Birmingham, England, United Kingdom Contract type: Permanent Hours: 37.5/ week Salary: circa £84,000 depending on experience WFH policy: Employee ...

Remote Fullstack Engineer Equity & Growth

Thirdfort Limited is seeking a Fullstack Software Engineer to join their remote team in the UK, focusing on building scalable systems to combat fraud. Candidates should have experience in backend and frontend development, particularly with Go, TypeScript, or React. The position offers up to £70k base salary, fle ...

Senior Fullstack Engineer — Platform Architect

A growing engineering company in Greater London is seeking a Senior Fullstack Software Engineer responsible for designing, building, and maintaining critical production systems. The role emphasizes ownership, systems thinking, and high-quality engineering on mature platforms. The ideal candidate will have 8-15 y ...

Senior Fullstack Engineer Admin/AI

Senior Fullstack Engineer (Admin & AI Enablement) Team: Admin & AI Enablement Location: Remote / London / Hybrid (TBD) This role will be a key part of building Midnite’s new internal back office platform and shaping how internal tools evolve across the business. Yo ...

Senior Fullstack Engineer Admin/AI

Senior Fullstack Engineer (Admin & AI Enablement) Team: Admin & AI Enablement Location: Remote / London / Hybrid (TBD) This role will be a key part of building Midnite’s new internal back office platform and shaping how internal tools evolve across the business. Yo ...

Java with AWS Fullstack Engineer

Role Purpose Deliver high‑quality Java‑based services and cloud‑hosted solutions on AWS. Contribute to design, development, testing, and optimisation of digital applications while following established engineering standards. Support senior engineers, collaborate with multidisciplinary teams, and ...

Senior Fullstack Engineer – AI Native

HiveMQ’s Vision for this role We aren't just using AI to help us code; we are an AI-native engineering organization. Our next major milestone is architecting a swarm of autonomous coding bees – specialized agents designed to handle end-to-end feature delivery, from infra provisioning to self‑corr ...

Senior Fullstack Engineer – TypeScript/React

Fanatics in Greater London is looking for a Senior Software Engineer to join their team focused on the Voggt Platform and its migration to the Collect app. The role involves designing and developing fullstack solutions while ensuring smooth backend operations. Ideal candidates will have over 5 years of experienc ...

Senior Fullstack Engineer (AI Native)

Senior Fullstack Engineer (AI-Native) — Freelance via Shakers We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment. You'll joi ...

Senior Fullstack Engineer (AI Native)

Senior Fullstack Engineer (AI-Native) — Freelance via Shakers We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment. You'll joi ...

Fullstack Software Engineer Edinburgh, UK

Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients. Hundreds of thousands of users have entrusted Addepar to empower smarter investment decisions and better advice over the last decade. With client presence in mo ...

Founding Fullstack Engineer Equity & Autonomy

A VC-backed healthtech AI startup seeks a Founding Fullstack Engineer to be the first technical hire. This high-autonomy role involves building and shipping product features end-to-end. Ideal candidates should have strong experience in React, Next.js, TypeScript, and Python with PostgreSQL. The position offers s ...

Senior Fullstack Enginer (Python & React)

Senior Fullstack Engineer (Python & React) 2 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Parser Senior Full Stack Software Engineer – Passenger Flow Modelling <p ...

Senior/Staff Fullstack Software Engineer

Location: Fitzrovia, London (Hybrid – 4 days in office, 1 day remote) About the Company: Wizeline is a global AI-native technology solutions provider that develops cutting‑edge AI‑powered digital products and platforms. We partner with clients to leverage data and AI, accelerating m ...

Fullstack Software Engineer Simulation Integrations

We Are Skyral: We believe every decision maker can be empowered by technology. Skyral combines AI, leading edge simulation technology and world class expertise to transform the decision making experience. Our products and services enable faster and more confident decisions in a complex, unforgiving world. ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply w ...

Software Engineer Fullstack FMX Engineering

About Fanatics Markets Fanatics Markets is the real‑money prediction and trading app where you can invest in moments you care about. Built on a secure platform, we let users predict real‑world outcomes and trade on events they actually follow—from sports and entertainment to political elect ...

Remote Fullstack Engineer Node.js + Vue.js

A leading SaaS provider in Northern Ireland is looking for a Software Engineer to design and implement high-quality services for their product suite. The successful candidate will have over 3 years of development experience, notably with tools like Node.js and Kubernetes. This role promotes collaboration and bes ...

Remote Fullstack Engineer Catering Platform

A leading SaaS platform provider is seeking a Fullstack Software Engineer to enhance their online ordering and management solutions. You'll design and implement scalable components, collaborate with cross-functional teams, and tackle complex technical challenges. Ideal candidates should have over 3 years of soft ...

Senior Fullstack Engineer (AI Native)

Senior Fullstack Engineer (AI-Native) — Freelance via Shakers We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment. You'll joi ...

Senior Fullstack Engineer (AI Native)

Senior Fullstack Engineer (AI-Native) — Freelance via Shakers We're hiring a Senior Fullstack Engineer to help build the enterprise backbone of an AI hiring intelligence platform that's redefining recruitment through voice-first, capability-based assessment. You'll joi ...

Fullstack Software Engineer React/Python

Full Stack Engineer (Python / React | Cloud) - NEW FDI to Belfast! MCS Group are delighted to be partnering with a high‑growth technology business that is building a modern, data‑driven platform to help large organisations better understand performance and make smarter decisions. The produc ...

Staff Fullstack Engineer Onboard Experience

At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Senior/Staff Fullstack Software Engineer

Location: Fitzrovia, London (Hybrid – 4 days in office, 1 day remote) About the Company: Wizeline is a global AI-native technology solutions provider that develops cutting‑edge AI‑powered digital products and platforms. We partner with clients to leverage data and AI, accelerating m ...

Senior Fullstack Engineer – AI Native

HiveMQ’s Vision for this role We aren't just using AI to help us code; we are an AI-native engineering organization. Our next major milestone is architecting a swarm of autonomous coding bees – specialized agents designed to handle end-to-end feature delivery, from infra provisioning to self‑corr ...

Senior Fullstack Engineer Data Enrichment

At Wayve we’re committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Senior Fullstack Engineer 3D Rendering

At Wayve we’re committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Fullstack Engineer Global Onboarding Experience

Wise is seeking a Fullstack Engineer to join the Account Setup team in Greater London. In this role, you will collaborate closely with product and design teams to enhance Wise's registration experience. The ideal candidate should have experience in frontend testing, APIs, and Continuous Integration. Wise values ...

Senior Fullstack Engineer Data Intelligence

HiveMQ's Vision for this Role As a member of the HiveMQ Intelligence team, you'll design, develop, and operate the platform that turns industrial data into smarter operations. We follow agile principles and believe that ruthless automation and the smart use of Claude Code and other AI tools let u ...

Senior Fullstack Engineer — Platform Architect

A growing engineering company in Greater London is seeking a Senior Fullstack Software Engineer responsible for designing, building, and maintaining critical production systems. The role emphasizes ownership, systems thinking, and high-quality engineering on mature platforms. The ideal candidate will have 8-15 y ...

Senior Fullstack Engineer Admin/AI

Senior Fullstack Engineer (Admin & AI Enablement) Team: Admin & AI Enablement Location: Remote / London / Hybrid (TBD) This role will be a key part of building Midnite’s new internal back office platform and shaping how internal tools evolve across the business. Yo ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply w ...

Senior Software Engineer (Django Fullstack)

Department: Tech Hub Employment Type: Full Time Location: Birmingham, England, United Kingdom Contract type: Permanent Hours: 37.5/ week Salary: circa £84,000 depending on experience WFH policy: Employee ...

Senior Fullstack Engineer 3D Rendering

At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Senior Software Engineer (Django Fullstack)

Job Details Department: Tech Hub Employment Type: Full Time Location: London, Canary Wharf Contract type: Permanent Hours: 37.5/week Salary: circa £84,000 depending on experience W ...

Senior Fullstack Engineer Data Enrichment

About Us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing the usability and safety of automated driving systems. Our vision is to creat ...

Senior Fullstack Engineer Admin/AI

Senior Fullstack Engineer (Admin & AI Enablement) Team: Admin & AI Enablement Location: Remote / London / Hybrid (TBD) This role will be a key part of building Midnite’s new internal back office platform and shaping how internal tools evolve across the business. Yo ...

Senior Software Engineer (Django Fullstack)

Job Details Department: Tech Hub Employment Type: Full Time Location: London, Canary Wharf Contract type: Permanent Hours: 37.5/week Salary: circa £84,000 depending on experience W ...

Senior Fullstack Engineer Data Intelligence

HiveMQ's Vision for this Role As a member of the HiveMQ Intelligence team, you'll design, develop, and operate the platform that turns industrial data into smarter operations. We follow agile principles and believe that ruthless automation and the smart use of Claude Code and other AI tools let u ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply with ...

Software Engineer, Nifty Gateway (Fullstack)

Department : Nifty Gateway Nifty Gateway Studio brings together artists and their communities through NFTs. We work with today’s leading creative minds to push the boundaries of human experiences through the development of extraordinary creative experiences built on-chain. Nifty Gate ...

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