1,937,552+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Principal Software Developer

Unspecified Software DeveloperWarminster based, hybrid workingBe at the forefront of transforming British Army training.About us:At OMNIA® Training, we’ve brought together some of the UK’s most innovative defence training organisati ...

Senior Backend Engineer (Rust/TS/Go) – London + Equity

Understanding Recruitment is partnering with one of the UK's fastest-growing start-ups in the Defence sector seeking Senior/Principal Software Engineers. They focus on cutting-edge decision-making technology, valuing technical abilities over specific technology experience. The ideal candidates will joi ...

Engineering Manager — Royalty Accounting Platform

A leading global music entertainment company is seeking an Engineering Manager for its Royalty Accounting Team in London. The role involves cultivating a high-performance agile development team while managing full-stack engineers and delivering royalty accounting applications. Candidates should have over 5 years ...

Forward Deployed Engineer

TL;DR – We’re looking for an exceptional Forward Deployed Engineer to help build the future of AI-powered software creation. You will be a founding member of our FDE function, working directly with our most ambitious customers to translate impossible ideas into real products. This is a unique oppor ...

Forward Deployed Engineer

TL;DR – We’re looking for an exceptional Forward Deployed Engineer to help build the future of AI-powered software creation. You will be a founding member of our FDE function, working directly with our most ambitious customers to translate impossible ideas into real products. This is a unique oppor ...

Senior Lead Software Engineer Architect Secure Systems

JPMorgan Chase & Co. is seeking a Senior Lead Software Engineer in Glasgow, Scotland to join the Capital Technology team. In this role, you will lead the development of market-leading technology products, ensuring they are secure, stable, and scalable. Your responsibilities will include developing tech ...

Principal Frontend Developer

Head of Contract Solutions djr | Building the best Interim Information Technology Teams Principal Frontend Engineer (Contract) We’re supporting a large, complex enterprise technology organisation as they build a greenfield Connected Platform that will underpin their digital estate ...

Applied AI Software Engineers

Job Description AI Engineer – London (Hybrid 2-3 days/week) – AWS Solutions Partner – £80,000–£140,000 + Benefits + EquityAn AWS Partner headquartered in London with clients across the globe is seeking passionate AI Engineers to join a high-growth scale-up ...

Applied AI Software Engineers

Job Description AI Engineer – London (Hybrid 2-3 days/week) – AWS Solutions Partner – £80,000–£140,000 + Benefits + EquityAn AWS Partner headquartered in London with clients across the globe is seeking passionate AI Engineers to join a high-growth scale-up ...

Staff Software Engineer Commercial Trading

Summary As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand softwa ...

Staff Software Engineer Commercial Trading

Summary As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand softwa ...

Senior Software Engineer, Aeroparker

The real world is the next frontier, and at Metropolis, we are creating the artificial intelligence to make it responsive. We are pioneering the Recognition Economy — a future where mundane repetition disappears and being known unlocks access, comfort, and belonging everywhere you go. From transforming par ...

AI‑First Product Engineer — Build Multimodal Agent Systems

A leading AI startup in London is seeking a Product Engineer to join a dynamic team focused on innovative AI solutions. This role involves building scalable systems using modern technologies like FastAPI and React, shaping user interfaces for agent collaboration, and defining technical strategies. The ideal cand ...

AI Software Engineer

AI Software EngineerA fantastic opportunity for an AI Software Engineer to join an innovative technology company developing cutting-edge AI-powered collaboration products used globally. This is a unique opportunity to work within a highly talented R&D envi ...

AI Software Engineer

AI Software EngineerA fantastic opportunity for an AI Software Engineer to join an innovative technology company developing cutting-edge AI-powered collaboration products used globally. This is a unique opportunity to work within a highly talented R&D envi ...

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 ...

Software Engineer in Test

Java Software Development Engineer in Test – FinTech – Java Our client, a cutting‑edge fintech business, is looking for a Software Development Engineer in Test (Java SDET) to strengthen their automated testing framework and drive software quality to the highest standards. This is a great opportunit ...

Senior Software AI Engineer

About the Company We are partnering with a fast-growing, AI‑first company to build enterprise‑grade intelligent systems that are already live in real‑world, high‑impact environments. About the Role This role is focused on execution and ownership: taking complex problems and turn ...

Senior Scala Developer — Hybrid, Cloud & Full Stack

A leading technology consultancy firm in the UK is seeking an experienced Full-stack Developer to support the full life cycle of software development. The role involves coding with technologies such as Scala, Java, and .Net, and offers fast-track career development opportunities. Candidates should have at least ...

Senior Frontend Engineer in Belfast Ocho

Senior Frontend Engineer Belfast, UnitedKingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack Responsive SOLID ECMAScript 6+ TypeScript Frontend React JavaScript HTML5 CSS Salary £65,000 - 65,000 per year ...

Senior .NET Developer

Senior .NET Developer is required by fast growing and highly successful technology consultancy. (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, React, TypeScript, Programmer, Full Stack Engineer, Ar ...

Senior .NET IoT Platform Engineer (London Hybrid)

Leo Technology is seeking an experienced Software Engineer (.NET, C#, C++) to lead the development of an IoT software platform. Located in London, this role offers a hybrid work pattern, allowing you to thrive in a dynamic environment while making a significant impact on innovative water management solutions. ...

Lead Software Engineer AWS/TypeScript, Hybrid (Cambridge)

Cambridge University Press is seeking a Lead Software Engineer to guide software development and architecture. You will actively develop web services primarily using Typescript and work within a cross-functional team. The role offers the opportunity to influence architectural principles and engage in agile de ...

Embedded DevOps engineer in London Writer

Embedded DevOps engineer London, United Kingdom Posted about 1 year ago Tech stack Go Programming Languages Distributed Systems DevOps Bash Java Scala Python Skills <l ...

Backend Engineer in Cardiff Backbase

Backend Engineer Cardiff, United Kingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack Java SOLID Backend Qualifications You have at least 3 years of experience as a Java Backend Developer ...

Product Engineer (up to £100k)

Company Overview This company created the digital sales room category. Thousands of B2B revenue teams, from startups to enterprises, use their interactive spaces to centralise buyer journeys and close deals faster. They've achieved significant product-market fit at the Seed stage, backed by leadi ...

Backend Java Developer SC Cleared

Backend Java Developer+ 6 month initial contrac+t+ Fully remote - occasional office visit+ SC Cleared+ £530 per day Inside IR35Key Skills:+ Spring Framework+ Docker/Kubernetes+ SC ClearedJava Software EngineerWe are looking for a ski ...

Backend Software Engineer SC Clearance

Backend Software Engineer / Developer (Defence SC Clearance) *Newcastle onsite* to £120k+Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below.Do you have technical expertise combined with SC Clearance?You could be joining ...

Engineering Manager, Product

Epassi’s purpose is to boost everyday well-being We are a leading provider of employee benefit solutions in Europe. We were established in Finland in 2007, and in 2008 we were the first company to launch a mobile‑payable employee benefit payment solution in Europe. Since then, we have consi ...

Solutions Engineer at inploi

Solutions Engineer Salary: Not Disclosed Company Description inploi is a London-based candidate engagement platform that recently closed its first institutional funding round. Powering recruitment for massive enterprises like the NHS, Boots, and Compass Group, inploi uses AI Tal ...

Senior TypeScript Engineer for Trading Platform (Hybrid)

A large enterprise is seeking a Senior Full-Stack Engineer to join their trading platform team. You will be responsible for designing and maintaining features across the platform using TypeScript, Node.js, and React. The position emphasizes collaboration, ownership of features, and strong communication with clie ...

Realtime Frontend Engineer for AI Driven Retail

A leading stealth-mode AI company in Greater London is searching for a Full Stack Engineer specializing in Frontend development. This role involves designing and building real-time web interfaces that personalize in-store shopping experiences. Ideal candidates will have expertise in Typescript, React, and real-t ...

Senior Director of AI Driven Cloud Platform Engineering

JPMorgan Chase & Co. is looking for a Senior Principal Software Engineer to lead strategic development in Infrastructure Platforms. You will enhance, build, and deliver market-leading technology products with a focus on secure and scalable solutions. The ideal candidate should have proven software engi ...

Fulfillment Platform Engineering Manager – Lead & Scale

Marks & Spencer Plc in the City of Westminster is seeking a strong engineering leader to build and lead high-performing software engineering teams. This role includes overseeing the planning and delivery of complex software initiatives while driving the adoption of standards for software quality and developer ...

Active SC Full Stack C#/.NET Developer | Hybrid London

TestYantra Software Solutions is hiring a C# .NET Developer in London. This contract position requires active SC clearance and offers a hybrid work model with two days onsite each week. The ideal candidate will demonstrate extensive full stack development experience, including proficiency in C#, .NET, SQL, an ...

Lead Software Engineer Fintech, Hybrid, Azure & AI

A financial technology company in London is seeking a Lead Software Engineer to drive technical excellence and oversee high-impact projects. You'll manage and mentor software engineers while remaining hands-on in development. The ideal candidate has extensive experience with C#/.Net and React, along with strong ...

Senior Front End Engineer — Blazor/MAUI Expert

Java Script Works is looking for a front-end developer in Newcastle upon Tyne, UK. The ideal candidate will have a high proficiency in front-end development using HTML, CSS, and JavaScript. Experience with Blazor, MAUI, and desirable knowledge of React and Angular frameworks is essential. Strong communication an ...

Lead Software Engineer (.NET/JS) – Hybrid, Expenses Covered

A leading psychometric solutions company is seeking a Lead Engineer to join its growing team. You will provide technical leadership, mentor engineers, and drive software development using modern technologies. The ideal candidate has 5+ years of experience in software development and strong skills in .Net, React, ...

Principal Software Engineer

Principal Engineer (Java) | London (Hybrid) | FinTech Financial services experience is essential for this one. We're working with a B2B FinTech disrupting the SME lending market. Their SaaS platform is used by over 80 high street banks, challenger banks and specialist lenders to power smarter ...

Engineering Manager (Front end)

DescriptionWe are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, , and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will b ...

Engineering Manager (Front end)

DescriptionWe are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, ...

Engineering Manager (Front end)

DescriptionWe are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, , and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will b ...

Senior Software Engineer

Senior Software Engineer (Backend)London - Hybrid (3 days in office)Up to £85k + benefits What if the systems you built were used every day by millions of readers around the world? A long‑established, AI‑driven technology business is hiring a Seni ...

Senior Software Engineer

Senior Software Engineer (Backend)London - Hybrid (3 days in office)Up to £85k + benefits What if the systems you built were used every day by millions of readers around the world? A long‑established, AI‑driven technology business is hiring a Seni ...

Senior DevOps Engineer in London LinuxRecruit

Senior DevOps Engineer London, United Kingdom Posted 7 months ago This is a job posted by our partner Jooble Tech stack React Go DevOps Bash CI/CD Below is a snippet of the job description. To read the full text, please click on the Apply Now ...

Senior Software Engineer

Lead Software Engineer (£750 Inside IR35, Hybrid - London) A major UK bank requires a Lead Software Engineer to support a major transformation project to rebuild the payment system, replacing their existing enterprise solution. The new product will support a broad range of payment methods and chan ...

Technical Team lead

Technical Team Lead / Lead Software Engineer (Platform) Technical Team Lead London (Hybrid: 2-3 days per week) £90,000-£110,000 + strong benefits Our client is a fast‑scaling, well‑funded technology company building a platform used by some of the UK's best‑ ...

Software Engineer C# .Net Low Latency

Software Engineer C# .Net Low Latency (PR/ ) London, England Salary: GBP75000 - GBP90000 per annum + bonus + benefits Software Engineer / Developer (C# .Net Low Latency) London to £90k Are you a technologist who enjoys contributing to technical discussions and using the be ...

Principal Software Engineer

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 engineering with Mai ...

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    Lead Software Engineer Full Stack Java React Jobs in United Kingdom Job Search Guide, Trends and Insights