2,073,969+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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C++ Software Developer (contract)

Please note that this is a contract role providing services to Microsoft through external staffing partners of Allegis Global Solutions (AGS). If you are selected for this role, you will be employed by AGS and will not be an employee of Microsoft. Role Overview The Microsoft Applied Scien ...

Senior Software Developer C#

My client delivers world class transport and parking solutions for in over 4,000 towns and cites across 60 countries and is seen as one of the market leaders in it's field. They provide innovative solutions in end to end parking payment collection, real time ticketing and payment solutions, automat ...

C++ Software Developer (contract)

Contract role providing services to the company through external staffing partners of Allegis Global Solutions (AGS). If selected, employed by AGS, not company employee. Role Overview The company's Applied Sciences Group incubates disruptive technologies for next‑gen hardware products and ...

AI Driven API Developer

A leading software development company is seeking a Staff-Level Full-Stack Software Engineer in Leeds. The role involves tackling diverse problems and requires a bachelor’s degree and proficiency in various programming languages. Ideal candidates will have expertise in TypeScript, C, C#, C++, and more. This posi ...

iOS Developer Swift, TDD

Job Description ANDigital is a new way for digital delivery. We are growing fast and looking for passionate and enthusiastic Senior iOS Developers to join our bright and talented team. How We Work: We work in an Agile Scrum environment and encourage our Mobile Engineers to ...

Lead Back End Developer Java

London, United Kingdom | Posted on 17/09/2025 Segmentify is an e-commerce personalization platform helping online retailers to optimise their conversion rates by enabling them to deliver a unique shopping experience for each visitor. Segmentify tracks each individual visitor’s behaviour ...

Software Engineer

Software Engineer | C# Software Engineer | Windows Developer (UK) £45,000 - £55,000 base salary Minimum of 2 days in Wickford for first 3 months, can move to central London office afterwards C# / .NET full-stack with Transact SQL My client is looking for an experienced ...

Manager, AI Deployment Engineering Codex

About the teamThe AI Deployment Engineering team is responsible for ensuring the safe and effective deployment of OpenAI technologies across developers and enterprises. We act as trusted technical partners, helping customers move from experimentation to production by designing, imp ...

Manager, AI Deployment Engineering Codex

About the teamThe AI Deployment Engineering team is responsible for ensuring the safe and effective deployment of OpenAI technologies across developers and enterprises. We act as trusted technical partners, helping customers move from experimentation to production by designing, imp ...

Senior Frontend Engineer — D3/React Web Apps Lead

Java Script Works is seeking a Senior Front End D3 Javascript Software Engineer based in London, United Kingdom. The role requires extensive experience in D3, React, and JavaScript, focusing on the development of advanced web applications. The ideal candidate will have between 7 to 10 years in software developme ...

Senior ML Software Developer (Brahma AI A DNEG Dedicated Unit of Brahma)

Description Position at DNEG Senior ML Software DeveloperML TechnologyThe ML Technology department at Brahma DNEG-Dedicated Unit (Brahma DDU) explores, tests, and deploys machine-learning and automation solutions to support the technology and infrastructure that powers DNEG’s mul ...

Senior ML Software Developer (Brahma AI A DNEG Dedicated Unit of Brahma)

Description Position at DNEG Senior ML Software DeveloperML TechnologyThe ML Technology department at Brahma DNEG-Dedicated Unit (Brahma DDU) explores, tests, and deploys machine-learning and automation solutions to support the technology and infrastructure that powers DNEG’s mul ...

Software Engineering Specialist Data

Why this job matters This is a hands‑on developer role where you will work in a small team of full‑stack software developers. You will work closely with our customers (including data specialists embedded in our operational teams) to build tools that, amongst other things, enable them to derive in ...

Software Engineer Infrastructure,SWE Developer Foundations

Summary The SWE Developer Foundations organisation builds technologies and tools to help software engineers at Apple to do the best work of their lives. Our team supports that mission by building innovative infrastructure and tools to provide engineers with capabilities to quickly and efficiently ...

Software Engineer C# .Net AWS

Overview Software Engineer / Developer (C# .Net AWS) Sunderland / WFH to £55k Opportunity to progress your career in a hands-on Software Engineer role at a growing games / gambling site, whilst enjoying a range of benefits and perks. What’s in it for you Competi ...

Machine Learning Engineer

Most ML roles optimise models in isolation. This one builds the intelligence layer that determines whether AI-generated software can actually be trusted in production. AI is rewriting how software gets built. But shipping still breaks on testing. Engineering leaders are desperate to release faster w ...

Software Engineer III

**Role: Software Engineer III (.NET/React/Azure/AWS)****Division: Assessment & Qualifications Delivery****Tier: IC20****Location: Hellaby, UK****Work Type: Hybrid (3 days in office)****About UK Assessment & Qualifications**<b ...

Tech Lead (Shopify)

Technical Lead – Shopify £60,000 – £70,000 | Fully Remote (UK)We’re looking for a Shopify Technical Lead to take ownership of high-profile projects, lead development teams, and shape technical direction across Shopify web applications and apps. This is a hands-on leadership ro ...

Tech Lead (Shopify)

Technical Lead – Shopify £60,000 – £70,000 | Fully Remote (UK)We’re looking for a Shopify Technical Lead to take ownership of high-profile projects, lead development teams, and shape technical direction across Shopify web applications and apps. This is a hands-on leadership ro ...

Senior Support Engineer US Federal

Technical Support Customer Service Elastic Stack Linux/Unix US Federal As a Support Engineer at Elastic, you'll be part of a globally distributed team providing expert-level service to US Federal customers. You will resolve technical issues within contractual SLAs, maintain strong customer relation ...

Software Development Engineer, Web & Emerging Modalities, Prime Video

DescriptionCome build the future of entertainment with us. Are you interested in shaping the future of movies and television? Do you want to define the next generation of how and what Amazon customers are watching? Prime Video is a first-stop entertainment destination offering customers a vast colle ...

Software Developer Internal Compute Frameworks (Rust)

Position Overview:We are seeking an experienced and passionate Software Developer to join our growing team. In this role, you will play a key part in designing, building, and maintaining Squarepoint internal frameworks, services and platforms that power our business. You will have the opportunit ...

Principal Consultant & Microsoft MVP — Tech Innovator

Fourth Consecutive Microsoft MVP Award for Principal Consultant Jamie TaylorJuly 11, 2025Share this ArticleLEEDS, UK. July 11th, 2025 – RJJ Software is delighted to announce that Jamie Taylor, Principal Consultant and founder, has been awarded Microsoft MVP ...

Senior eFX Developer High Frequency Trading, Vice President

Who we are looking forWe are looking for an enthusiastic full-stack developer to write high performance Java and Rust code as part of the EFX London teamEFX is a multi-platform team that writes bespoke trading solutions that trades FX globally all week on a follow the Sun basis. Our syste ...

Senior eFX Developer High Frequency Trading, Vice President

Who we are looking forWe are looking for an enthusiastic full-stack developer to write high performance Java and Rust code as part of the EFX London teamEFX is a multi-platform team that writes bespoke trading solutions that trades FX globally all week on a follow the Sun basis. Our syste ...

Software Engineering Lead / Applied AI Engineering

## Software Engineering Lead / Applied AI EngineeringApplylocations: Londontime type: Full timeposted on: Posted 8 Days Agojob requisition id: R Would you enjoy working on our cutting-edge products?Are you ready for a lead Engineer role?**About the Business**LexisNexis Risk Solutions provides customers w ...

Senior Test Engineer

Overview Quality Assurance and Testing is an important part of the delivery of digital systems within the Health Research Authority. We have a team of skilled test professionals who make sure quality is delivered in the most effective way. We are looking to add automation engineering skills to our ...

Fullstack Senior Software Engineer (TypeScript, C#, React, AWS)

Hybrid - 2 days per week in our London HQ Alto Software Group is a B2B SaaS company that powers more than half of all UK housing transactions each year. We create software solutions that connect businesses and consumers, delivering a one-stop shop for estate agents and home builders. Our goal is to ...

Quantitative Engineer

Job Opportunity Quantitative Engineer - Exotic DerivativesLocation: London, UK (Canary Wharf)Engagement: 12-Month Contract | Hybrid (3 days/week in office)Role SummaryWe are hiring a hands-on Quantitative Engineer with 15+ years of experience to join a premier financial institutio ...

Founding Infrastructure Engineer

Founding Infrastructure Engineer At Solve Intelligence , we’re building the AI-powered infrastructure for the global Intellectual Property landscape. We need a brilliant Infrastructure Engineer to build the secure, scalable engine that makes it all possible. ️ The Role: Founding I ...

Front Office RAD Lead Software Engineer

As a Senior RAD (Rapid Action Development) Developer in our Rates development team , you will to work in close partnership with quant researchers, traders, and technology teams. The role sits at the intersection of front-office trading and technology, with direct ownership of the tools traders rely on daily. ...

Python Quant Developer | High Frequency Trading Team

Python Quant Developer | High-Frequency Trading Team We are working with a leading traditional and digital asset trading firm whose mission is to build a global financial institution designed for market integrity and efficiency. They apply a disciplined, first-principles approach to everything th ...

C# Developer Role Hybrid Banking

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35) ...

Front Office RAD Lead Software Engineer

As a Senior RAD (Rapid Action Development) Developer in our Rates development team , you will to work in close partnership with quant researchers, traders, and technology teams. The role sits at the intersection of front-office trading and technology, with direct ownership of the tools traders rely on daily. ...

ServiceNow Architect

ServiceNow Dev to lead the design, development, and implementation of ServiceNow solutions across our enterprise. The ideal candidate will have deep expertise in the ServiceNow platform, strong technical architecture skills, and the ability to translate business requirements into scalable, maintainable, an ...

Servicenow Architect

We have an exciting job opportunity for ServiceNow Architect role at London, UK - Contract/FTE Role: ServiceNow Architect Duration: Contract/FTE Location: London, UK (02 Days onsite in a week) Key Responsibilities Serve ...

Lead / Senior Java Developer Hybrid Glasgow OUTSIDE IR35

Lead / Senior Java Developer - Hybrid - Glasgow based MUST BE COMMUTABLE - OUTSIDE IR35 Responsibilities Design, develop, test, and support enterprise Java applications. Build and enhance microservices, REST APIs, and web-based applications. Contribute to archite ...

Servicenow IRM And BCM Architect

Key skills / knowledge / experience Experience: 10+ years in ServiceNow platform design and delivery, with at least 5 years strictly dedicated to IRM, GRC, and BCM implementations/support. (1, 2) Domain Knowledge: Deep understanding of tech/cyber risk domains, ISO, NIST, GDPR, SOX ...

Front End Developer (React) VISA SPONSORSHIP

We are hiring on behalf of our client, a rapidly scaling SaaS business, for a talented Front-End Developer to join their growing team. You’ll be working on modern, responsive web applications with a strong focus on React, starting with dashboards for solicitor workflows and CRM systems. This is a great oppor ...

IS Power Platform and SharePoint Developer Stockport

Job reference number: IS Power Platform and SharePoint Developer – Stockport. £35,000 per annum, potential 6% bonus and 22.5 days annual leave plus bank holidays. Full time, 37.5 hours per week. Fixed Term, 12 month contract. Royal Mail PFS, Highbank House Office, Exchange Street, Stockpo ...

Backend Engineer

Direct message the job poster from Fruition Group An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence - and it's not just the tech stack or the day rate that ...

Platform Engineer

Department: Technology Location: Home based, UK (with occasional travel to London office) Reports to: Head of Engineering Hours: 37.5  per week Salary: (Depending on experience)    Role Overview  This is a new role, and a pioneering one.We are investing in platform engineering a ...

Senior Engineering Manager, Developer Experience

About the team The Developer Experience team owns the internal platform that every the company engineer touches daily: CI/CD pipelines, observability tooling, our developer portal, and an emerging AI platform. It's a high-visibility role: the work you lead directly shapes the productivity of hundr ...

Senior Engineering Manager, Developer Experience

About the teamThe Developer Experience team owns the internal platform that every the company engineer touches daily: CI/CD pipelines, observability tooling, our developer portal, and an emerging AI platform. It's a high-visibility role: the work you lead directly shapes the productivity of hund ...

Senior Java Developer — Hybrid (Newcastle)

Senior Java Developer Location: Newcastle Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 year continuous UK address history (typically including no periods of 30 consecutive days or more spent outside of the UK) a ...

Head of Engineering

We’re seeking an exceptional Head of Engineering / Engineering Manager to partner closely with our CTO and lead the next stage of our engineering organisation. We want a deeply technical leader who still loves to build, leads from the front, and thrives in high‑velocity, high‑ownership environments. You ...

Member of Technical Staff Distributed Systems Engineer

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. Our team of AI researchers and company builders come from DeepMind, OpenAI, Google Brain, Meta, Char ...

Technical Team Leader (Application Support)

Position Description: At CGI, you’ll play a pivotal role in ensuring the stability, security and continuous improvement of business-critical application services that help our client, a major Public Sector body, achieve their strategic goals. As a Technical Team Lead (Applications), you’l ...

Technical Team Leader (Application Support)

Position Description: At CGI, you’ll play a pivotal role in ensuring the stability, security and continuous improvement of business-critical application services that help our client, a major Public Sector body, achieve their strategic goals. As a Technical Team Lead (Applications), you’l ...

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