2,339,361+ Full Stack Tech Lead Nodejs React Javascript Jobs in UK — Top Companies Hiring July 2026

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Software Development Team Lead in Bracknell Spectrum It Recruitment Limited

Preferred Experience If you have experience with any of the following, it will be advantageous: Latest versions of .NET AI and Machine Learning JavaScript, TypeScript, and associated frameworks Containers, Docker, Kubernetes NoSQL databases </ ...

Senior Front End Engineer – Modern Web & Growth

Join a forward-thinking company that values innovation and teamwork! As a Front-End Developer, you'll play a crucial role in creating exceptional web applications that enhance user experiences across various sectors. With over 6 years of experience, you'll utilize your skills in JavaScript, CSS, and modern frame ...

Full Stack .net Core Developer Fintech50 Bath in London Quant Capital

Skills Required: Strong C# NET WebAPI Document-oriented databases (MongoDB, DocumentDB or others) GraphQL experience (Frontend/backend) Strong React / TypeScript Single Page Application BDD / TDD RESTful API ...

Lead AI Inference Engineer 100% Remote

About the job You'll lead a cross-functional pod that spans the full stack, from C++ inference engines to JavaScript applications. Your responsibility is to ensure that local AI capabilities ship reliably and perform well across devices. You'll balance hands‑on technical work with team coordinati ...

Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on prem migration, PowerShell scripting, SQL/DB2 8630

Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on-prem migration, PowerShell scripting, SQL/DB2 - Duration: 6 MonthsLocation: Winnipeg, London or Toronto Hybrid: Yes, 3x/week a ...

Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on prem migration, PowerShell scripting, SQL/DB2 8630

Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on-prem migration, PowerShell scripting, SQL/DB2 - Duration: 6 MonthsLocation: Winnipeg, London or Toronto Hybrid: Yes, 3x/week a ...

.Net Developer

Full Stack Developer (.NET / Angular) Hybrid – London We're hiring on behalf of a well-known retail brand looking for an experienced Full Stack Developer to join their in-house tech team. You'll work across a broad range of internal systems that support ...

.Net Developer

Full Stack Developer (.NET / Angular) Hybrid – London We're hiring on behalf of a well-known retail brand looking for an experienced Full Stack Developer to join their in-house tech team. You'll work across a broad range of internal systems that support ...

Senior Fullstack Software Engineer

**Job Requisition ID #** 26WD97703 **Position Overview** We are seeking a highly skilled Senior Full Stack Software Engineer to join our team supporting research and foundation model development. This role operates at the intersection of research scientists, ML engineers, and infrastru ...

Senior Frontend Developer

Overview We are seeking an experienced Senior Frontend Developer to design and build modern, scalable, and user-friendly web applications. This role focuses on developing high-performing React and TypeScript interfaces that deliver accessible, responsive, and seamless user experiences while integr ...

Senior Front End Developer

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 ...

Senior Engineering Manager, Web Apps

About the RolesWe’re looking for an experienced Sr. Manager, Software Engineering to build and manage a team of talented software engineers who will work on Roku’s Advertising applications. One of the first priorities in this role will be to build and grow the team in Manchester. This rol ...

Medical Device Software Engineer

On the borders of Essex and Cambridgeshire, this diagnostics company develops medical instrumentation that provides accessible and timely results for public health purposes. Their system uses a combination of embedded C running on an RTOS, A React-Native app running on Android, and centralised data collection ...

Medical Device Software Engineer (27517)

On the borders of Essex and Cambridgeshire, this diagnostics company develops medical instrumentation that provides accessible and timely results for public health purposes. Their system uses a combination of embedded C running on an RTOS, A React-Native app running on Android, and centralised data collect ...

Medical Device Software Engineer (27517)

On the borders of Essex and Cambridgeshire, this diagnostics company develops medical instrumentation that provides accessible and timely results for public health purposes. Their system uses a combination of embedded C running on an RTOS, A React-Native app running on Android, and centralised data collect ...

Medical Device Software Engineer

On the borders of Essex and Cambridgeshire, this diagnostics company develops medical instrumentation that provides accessible and timely results for public health purposes. Their system uses a combination of embedded C running on an RTOS, A React-Native app running on Android, and centralised data collection ...

Senior AWS Cloud Fullstack Developer eSC or eDV Clearance Required

We are seeking a Managing Application Developer to support IBM's Public Sector and Defence projects by leading cloud development initiatives. In this role, you will oversee the design, development, and maintenance of cloud-based applications while mentoring junior and mid-level developers. You will manage ...

Backend Engineer, AI (Agent Systems)

About the Role A1 is building a proactive AI chat app for everyday users to bring intelligence to conversations, errands, organising and workflows. Unlike traditional chat-based applications, our product focuses on achieving high reliability for long-running workflows, persistent context, and rea ...

Lead Software Engineer: High Impact Tech, UK Clearance

A leading defense technology company is seeking a Lead Engineer in Manchester to design, develop, and maintain critical infrastructure solutions. This role requires experience in backend or frontend development, with a strong command of tech such as Java, React, and cloud technologies. The position offers hybrid ...

Software Engineer (.Net, STEM Degree, Applied Engineering)

Software Engineer (C# .Net & Applied Engineering)Oxford – 3-5 days per week in office.£45000 - £70000 + Package.- Must have aputing/STEM Degree (2:1 or higher).- Can work in their Oxford head office minimum 3 days a week.Your newpany You’ll be joining a cu ...

Lead Developer

As Lead Developer, you’ll oversee a team of developers, ensuring they have the clarity, direction, and support needed to deliver robust, scalable software solutions. You’ll work across a wide range of enterprise applications and be involved in every stage of the software development lifecycle. ...

Senior Software Developer

The role This is more than a job — it’s a mission. You will be part of a high-impact, collaborative environment, where we expect everyone to live the values and standards of the British Army. Every person in our team plays a critical role in delivering OMNIA’s vision; designing, delivering, and t ...

SQL Server Developer: SSIS/SSRS & Data Pipelines (London)

Jas Gujral is looking for a SQL Server Database Engineer in Central London, requiring 5 to 7 years of expertise with SQL Server, SSIS and SSRS. The role involves developing data pipelines, supporting SSIS ETLs, and integrating SharePoint for process automation. Candidates should have a degree and strong proficie ...

SOFTWARE ENGINEER/DEVELOPER

A company spin-out from Ulster University, Pneuma Healthcare was founded by CEO Dr Colin Gorman, a Clinical Psychologist. Pneuma Healthcare specialises in the training and provision of Psychological Wellbeing Practitioners delivering online and remote support to talking therapies services to clients such a ...

Software Engineer C#, React,.NET

Software Engineer Are you excited to build reliable, secure software that supports global experiences and events? Do you enjoy learning from others while taking ownership of meaningful technical components?About our TeamRX Global aims to create unforg ...

Software Engineer

Perk (formerly TravelPerk) is an intelligent platform for travel and spend management, built to reduce the manual, time-consuming work that distracts teams from meaningful tasks. Our solutions automate processes such as travel booking, expense management, invoice processing, and more. By removi ...

Software Engineer C#, React, .NET

Software Engineer Are you excited to build reliable, secure software that supports global experiences and events? Do you enjoy learning from others while taking ownership of meaningful technical components? About our Team RX Global aims to create unforgettable experience ...

Software Engineer C#, React,.NET

Software Engineer Are you excited to build reliable, secure software that supports global experiences and events? Do you enjoy learning from others while taking ownership of meaningful technical components?About our TeamRX Global aims to create unforg ...

Principal Frontend Engineer

Fresha is the leading marketplace platform for beauty & wellness trusted by millions of consumers and businesses worldwide. Fresha is used by 110,000+ businesses and 450,000+ stylists and professionals worldwide, processing over 1 billion appointments to date. The company is headquartered in ...

Staff Software Engineer Front End (Bangkok based, Relocation provided)

Staff Software Engineer – Front End (Bangkok based, Relocation provided) Are you a visionary Front‑End architect seeking a new adventure? Lead Agoda’s front end transformation and drive seamless experiences for millions. Join our multilingual, multicultural engineering team in Bangkok and make a g ...

Lead Software Engineer – Margin Technology Vice President

Overview 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 ...

Software Engineer

Our client is a B2B software company in Bedford looking to hire two Software Engineers. You'll focus on new feature development, modernising the legacy stack and embedding AI-enabled development. Location: Bedford, 2 days onsite / 3 days WFH Why apply? AI : Join a for ...

Technical Lead (£90 110k + Equity) at Eat Ping

Job Title Technical Lead Salary £90-110k + Equity Company Description Eat Ping - Bootstrapped and capital-efficient Food Tech startup Job Description As the most senior technical hire, you will architect and ...

Senior Software Engineer

Senior Fullstack Engineer (frontend leaning) | £85k - £95k | Remote We’re partnering with a fast-growing future‑of‑work platform that’s reshaping how leading brands hire and manage freelance talent globally. Backed by an experienced leadership team from some of Europe’s most successful scal ...

Senior Software Engineer (Rostering)

Responsibilities Develop and maintain the existing VB.NET codebase, ensuring high performance and reliability. Work with SQL Server to create, optimise, and manage complex Stored Procedures and Functions. Collaborate with cross-functional teams, including Product, QA, an ...

Frontend Engineer II

We are looking for a Frontend Engineer II to join the Accounts team and the Business team. The Accounts team builds the fundamental digital core of the Octopus Energy customer experience. They are responsible for modernising payment structures and facilitating seamless self‑serve journeys, includin ...

Founding Senior Full Stack Engineer at stealth stage AI coordination startup

Job Title Founding Senior Full-Stack Engineer Salary Not Disclosed Company Description Stealth-stage AI coordination startup Job Description Join a high-velocity founding team building the operating system for the agentic era. You will architect a re ...

Senior Software Engineer, L5 (Full stack / Backend) Recruiting (d/f/m)

Personio's intelligent HR platform helps small and medium-sized organizations unlock the power of people by making complicated, time‑consuming tasks simple and efficient. Our team of 1,500 Personios is building user-friendly products that delight our 15,000+ customers and their 1.5 million employees. Ready ...

Mid / Mid Senior Full Stack Engineer (£80k £90k + Equity) at Mintstars.com

Mid / Mid-Senior Full-Stack Engineer Salary: £80k-£90k + Equity Company: Mintstars.com - VC-backed creator monetization and payments platform Location: London, UK Join a high-output team building the infrastructure for the next generation of the cre ...

Full Stack Engineer (JS/TS) — Build R&I Apps in Stratford

CANCER RESEARCH UK is looking for a Full Stack Software Engineer to enhance our Scientific Research & Innovation portfolio. This role involves collaborating with various teams to develop high-quality software solutions while applying Agile principles. The engineer will be responsible for writing clean ...

Full Stack Senior Developer with Dot NET CORE & Angular 16 + ( Mandatory)

Company Description WNS (Holdings) Limited (NYSE: WNS), is a leading Business Process Management (BPM) company. We combine our deep industry knowledge with technology and analytics expertise to co‑create innovative, digital‑led transformational solutions with clients across 10 industries. We enab ...

Mid / Mid Senior Full Stack Engineer (£80k £90k + Equity) at Mintstars.com

Job Title: Mid / Mid-Senior Full‑Stack Engineer Salary: £80k-£90k + Equity Company: Mintstars.com - VC-backed creator monetization and payments platform Location: London, UK Job Description Join a high‑output team building the infras ...

Java Full stack Developer (ReactJS&AngularJS) London, UK Fulltime Hybrid London

Java Full stack Developer (ReactJS&AngularJS) - London, UK - Fulltime - Hybrid - London Reference Code: -en_GBContract Type:PermanentProfessional Communities: Software EngineeringJob Title:Java FullStack developer (ReactJS & AngularJS) Location: London, UK </s ...

Senior Full Stack Developer | up to £60,000 | Maidstone, 3x p/w

Senior Full Stack Developer up to £60,000 Maidstone, 3x p/wPearson Carter are currently working with a consultancy who specialise in the Automotive industry. They work on some extremely interesting projects such as Data Intelligence and Analysis and they are also a compa ...

Product Engineering Team Lead

About Wintermute Wintermute is one of the largest crypto‑native algorithmic trading companies in digital assets. We provide liquidity algorithmically across cryptocurrency exchanges and trading platforms, a broad range of OTC trading products as well as support high profile blockchain projects an ...

Principal Software Engineer

Fastest Growing Start-up in the UK | Defense We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special F ...

Senior Software Engineer (Rust Any Backend Language Accepted)

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, with b ...

Senior Rust Engineer High Throughput Systems, London

Fastest Growing Start-up in the UK | Defense | Senior Software Engineer | Rust We are partnered with one of the UK's fastest growing start-ups. They are a very technically focused group building cutting-edge decision making technology. The company's founding team has real pedigree, with b ...

Software Engineer Relocate to the UK!

Our Mission At Omnea, we’re reinventing how enterprise businesses operate, starting with the most painful parts: procurement – where a single purchase can drag on for months, trigger 50+ emails , and pull in Finance, Legal, Security, and IT just to get something app ...

Software Engineer C#, React, .NET

Are you excited to build reliable, secure software that supports global experiences and events? Do you enjoy learning from others while taking ownership of meaningful technical components? About our Team RX Global aims to create unforgettable experiences for attend ...

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    Full Stack Tech Lead Nodejs React Javascript Jobs in United Kingdom Job Search Guide, Trends and Insights