1,522,537+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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IT Application Development Manager

We are seeking a forward-thinking IT Application Development Manager to lead the transformation and modernisation of our internal application landscape. This is a key leadership role within the Technology function, responsible for evolving our development practices, building a high-performing engineering team ...

Quantitative Developer (232979 1)

Quantitative Engineer - Exotic Derivatives (Contract)Location: London, UK (Hybrid/On-site)Engagement: Contract (Inside IR35)Duration: 12 monthsRate: £750-£800 per day (via an umbrella company)About the RoleWe are seeking a Distinguished Quantitative Engineer for a ...

Senior Product Engineer

Provn are partnering with a growing WealthTech business developing a next-generation platform for wealth managers, advisers, and investment firms. Combining sophisticated investment technology with a modern user experience, they're helping firms navigate the future of wealth management. They're loo ...

Founding Engineer (£60k £100k + Equity) at CompliMind

Job Title Founding Engineer Salary £60k-£100k + Equity Company Description CompliMind is a healthcare AI startup founded by Cambridge PhDs building intelligent systems to automate operational decision-making and compliance for hospital estates across the NHS. < ...

Planner Planning team in London ICTS UK & IRELAND

Planner - Planning team London, United Kingdom Posted 9 months ago Tech stack React Build & Maintain Schedules Produce accurate monthly rotas for UK airport and corporate contracts. Solve Problems in Real Time React ...

Software EngineerSoftware Engineer in Manchester Uniting Cloud

Software Engineer Manchester, United Kingdom Posted 11 months ago This is a job posted by our partner Jooble Responsibilities Hands‑on experience with server‑side development (services, messaging, middleware) Comfortable with functional or OOP – J ...

Director, Engineering Excellence (AI Platforms)

**The Role** We are seeking an experienced Senior Engineering Manager to lead the delivery of high‑impact Engineering Excellence platforms, with a strong emphasis on Generative AI, modern engineering practices, and scalable software delivery. This role blends hands‑on technical leadership with building ...

.Net Lead ( Scale Up )

.NET Lead Engineer Belfast | Hybrid | Permanent At a Glance Role: .NET Lead Engineer Location: Belfast (Hybrid) Salary: Competitive + bonus and benefits Employment type: Permanent ...

Java Backend Engineer (Mid/Senior) – Spring, REST, Kafka

Rockstar Games is seeking a passionate Software Engineer with a strong background in Java backend development for a full-time role in Dundee, Scotland. The position involves designing solutions for game development challenges and collaborating with teams across worldwide studios. The ideal candidate wi ...

AI Engineer – 3D Reconstruction & Neural Rendering

GAK ENTERPRISES LTD in Milton Keynes is seeking a Software Developer (AI Engineer - Neural Rendering & 3D Reconstruction) to join their team. The role involves developing and deploying REST APIs using Java Spring Boot and utilizing AI technologies. The ideal candidate will have experience in applied AI ...

AI Solutions & DevOps Engineer — Cloud & ML Pipelines

Digiterre is seeking an AI Solutions & DevOps Engineer in London to provide real-time software and data engineering solutions. The ideal candidate has experience with AI frameworks like TensorFlow and PyTorch, proficiency in programming languages such as Python and Java, and strong skills in cloud setup and API ...

Principal Engineer (Payments)

Principal Engineer (Payments)Our long-term trusted partner, a leading financial services corporation, is hiring a Principal Engineer to drive the development and design of several greenfield retail banking platforms as our clients rebuild their product portfolio as they continue on their digitial transfo ...

Senior Developer – Nodejs

Senior Developer – Nodejs Hybrid – 3 days in Norwich Up to £70k Innovative Senior Full Stack Developer (back end focused) required to join a talented IT cutting edge team! You will offer extensive knowledge and expertise in software development and with a foc ...

Mobile Application Developer

Leading Investment Management firm is seeking a senior React Native/Typescript mobile developer to join the team building the mobile app for their flagship front office platform. This platform is used by portfolio managers and analysts cross-asset to both manage portfolios and place orders, so strong commu ...

Staff Product Engineer

Our Mission Human time and effort is the rarest thing in the universe. The fact that so many people hate what they do for work is a disaster on so many levels. How many people live quiet lives of misery? How many generational talents do we miss due to circumstance? Dex’s mission is to close the g ...

Senior Software Engineer, Scale – Global Fintech Platform

Airwallex is seeking an experienced Software Engineer to build and maintain infrastructures that empower global businesses. This hybrid role is crucial for shaping how millions access financial services. Ideal candidates should bring over 5 years of software development expertise, particularly in Java/ ...

Senior Software Engineer, Shared Platform — Cloud/API Excellence

Capital One (Europe) plc is seeking a Senior Software Engineer to work in a cross-functional team focused on developing software solutions for the UK API Gateway. Candidates should have robust programming skills, particularly in Java, and experience with cloud solutions, especially AWS. Additional benefits inclu ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer to contribute to their Data Fabric platform. The candidate will design and enhance backend services, collaborate within an agile team, and ensure high-quality software delivery. Must have strong experience in Java and Spring Boot, agile development, and fami ...

Software Engineer — AI‑Driven Cross‑Border Payments

Crown Agents Bank is seeking a Software Engineer to join its FX and Cross-Border Payments team. The role involves designing and delivering solutions for clients globally, utilizing modern technologies like Kotlin, Java, and AWS. Candidates should have a solid background in software development, experience with s ...

Senior Java Backend Engineer – Remote/UK FinTech

A leading global fintech is seeking a Senior Java Software Engineer to join their remote-first UK team. You will design and develop cloud-based backend services and mentor junior engineers while influencing technology choices. Applicants should have over 6 years of experience in software engineering with a stron ...

Senior Java Engineer: REST APIs, DB & On Site Newbury

Red Top Resources in Newbury is seeking an experienced Senior Software Engineer to deliver high-quality software solutions. The role involves developing web applications, RESTful APIs, and maintaining existing systems, while mentoring junior developers. Candidates should have at least 5 years of Java d ...

Senior Principal Software Engineer AI Driven Cloud Platform

JPMorgan Chase & Co. is looking for a Senior Principal Software Engineer in City of Westminster, UK. This role involves leading the strategy in developing innovative technology products and managing senior stakeholder relationships. The successful candidate will have extensive software engineering expe ...

Senior Java Backend Engineer – Cloud, Microservices, Hybrid

United States Digital Space LLC is seeking a Software Engineer to design, develop, and maintain high-quality software solutions. The ideal candidate will have 5+ years of experience in backend development, particularly in Java, microservices, and REST APIs. The position offers a hybrid working model, r ...

Cyber Defense Software Engineer Hybrid (UK)

A cyber security consultancy in Gloucester is seeking a Software Engineer (Hybrid) to work on critical National Security projects. The ideal candidate will have strong skills in Java, Python, or Node, as well as knowledge in AWS, Docker, and Agile methodologies. Responsibilities include designing and documenting ...

Backend Engineer .NET/C#, AWS, Flexible Hours

Reedexpo in Richmond, United Kingdom, is looking for a Software Engineer to enhance backend services focused on performance, resilience, and security. This role involves hands-on experience across the software development lifecycle and collaboration with senior engineers and product partners. The ideal ...

Senior Java Microservices Engineer Hybrid (60% On site)

Getnet Platforms is seeking a Software Engineer to design and develop high-quality software solutions using Java. The ideal candidate will have over 5 years of experience in backend development and will collaborate with multiple teams to deliver scalable and resilient applications. The role involves wo ...

Software Developer

Your newpany You’ll be joining a global technology organisation delivering critical digital transformation programmes across the public sector. Working on a high-profileernment account, you’ll contribute to large-scale platforms that support millions of users across the UK.Your new rol ...

Software Developer

Your newpany You’ll be joining a global technology organisation delivering critical digital transformation programmes across the public sector. Working on a high-profileernment account, you’ll contribute to large-scale platforms that support millions of users across the UK.Your new rol ...

Research Software Engineer HPC & Cloud

Ellison Institute of Technology Oxford is seeking a Research Software Engineer to design, build, and operate software systems for cutting-edge research in engineering biology. The role involves working in a new Scientific Computing team, developing workflows, and cloud-based infrastructure for large-scale bio ...

Staff Platform Engineer, Payments & Internal Tools

Marks and Spencer is looking for a passionate Staff Software Engineer to join their Software Engineering team. The role involves building high-quality internal platforms and maintaining reliable software solutions. As part of a dynamic and inclusive community, you will mentor other engineers, drive automation ...

Secure Cloud Software Engineer (Junior–Mid) – Hybrid

Gemba Advantage in Cheltenham is looking for a Software Engineer to join their Software Engineering team. This permanent position requires skills in modern programming languages such as Java, TypeScript, Python, or Go, and a willingness to obtain SC and DV clearance. The role involves designing secure ...

Senior Frontend Engineer: Build Scalable UI & Quality

TransPerfect is seeking a Senior Frontend Engineer to join its TechOps team in Greater London. The role involves developing high-quality software products, implementing features, and optimizing user interfaces. Candidates should have over 8 years of experience in software development, proficiency in JavaScript, ...

Senior Frontend Engineer – Scalable Enterprise UI

A global technology company in Greater London is looking for a Frontend Engineer to join their TechOps team. In this role, you will be responsible for developing high-quality software products, implementing features, and resolving bugs. The ideal candidate will have over 5 years of software development experienc ...

SC Cleared Software Engineer Hybrid, Farnborough

Searchability, located in Farnborough, is seeking a Software Engineer to join its dynamic development team. The role involves designing and building scalable solutions in a fast-paced environment utilizing a range of technologies. The ideal candidate should have a degree in a related field, experience with Ja ...

Lead Engineer

Job title: Lead Engineer Location: Central London Terms: Monday - Friday, 08:00 - 17:00 Salary/rate: Salary is paying £50,000-£51,000 depending on qualifications and experience. Requirements: ...

Principal Engineer

We’re looking for a Principal Engineer who wants more ownership than just the technical bit. This is still hands‑on engineering, but the role sits much closer to the product, customer and business problem. You’ll be working in a software business building products used in live, operational ...

Senior Fullstack Engineer Real Time 3D In Vehicle Viz

Neier Inc. is looking for a Fullstack Software Engineer to develop an in‑vehicle web application that visualises camera feeds, vehicle state, and system outputs. The role involves designing 3D visualisations using WebGL/Three.js and integrating high‑frequency data streams for robust, live operation. Th ...

Remote Senior Front End Tech Lead – React & SaaS AI

The Hub/Danske Bank is seeking a Remote Software Engineer to manage client applications built in React and Python. Candidates should have over 7 years of experience, including 3 years at a senior level, and relevant experience in building enterprise-grade SaaS products. The position offers a starting salary of € ...

Lead Engineer

Lead Engineer **JOB TITLE: Lead Design Engineer** **DEPARTMENT: Engineering** **LOCATION: Littlehampton, UK** **ABOUT ADVANCED ENERGY** Advanced Energy (Nasdaq: AEIS) is a global leader in the design and manufacturing of highly engineered, precision power conversion, ...

Senior Software Engineer ML & Verification Platform

United States Digital Space LLC is seeking a Software Engineer to develop next-generation technologies that revolutionize user interactions. This position requires expertise in software development across various languages, particularly in full-stack environments. You will collaborate with teams to enhance ve ...

Java Swing Developer for High Performance Trading UI

A financial technology firm in Greater London is seeking a Java Swing Developer to enhance its high-performance desktop trading platform. This role includes maintaining a Java Swing-based UI and transitioning the architecture to microservices. The ideal candidate will have strong Core Java skills, experience wit ...

Senior Front End & UX Engineer (Blazor/.NET)

Job Search Place Limited in Greater Manchester is looking for a Senior Software Engineer specializing in Front End and UX. This role focuses on building Blazor applications using C# and .NET, while also leading design decisions and fostering teamwork. The ideal candidate should have extensive experienc ...

Senior Platform Engineer Continuous Delivery (CD)

Job DescriptionWe are looking for a Software Engineer to join our Continuous Delivery (CD) Platform team. You’ll dive straight into Spinnaker, our strategic platform to help us build a global infrastructure that is scalable, reliable, and secure.At Wise, Continuous Delivery i ...

Senior Platform Engineer Continuous Delivery (CD)

Job DescriptionWe are looking for a Software Engineer to join our Continuous Delivery (CD) Platform team. You’ll dive straight into Spinnaker, our strategic platform to help us build a global infrastructure that is scalable, reliable, and secure.At Wise, Continuous Delivery i ...

Software Engineer QuantumBlack, AI by McKinsey

Who You'll Work With Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another w ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+ Do you have expertise with backend, low latency software engineering? You could be progressing your career in a senior, hands‑on Backend Software Engineer role at a hugely profitable High Frequency Trading ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+Do you have expertise with backend, low latency software engineering?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency Trading f ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+Do you have expertise with backend, low latency software engineering?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency Trading f ...

Senior Front End Architect React/TypeScript/Next.js

Java Script Works is looking for a Senior Front-End Developer to join their team in Southampton, United Kingdom. The ideal candidate will design and build modern, scalable front-end architecture using React, TypeScript, and Next.js. This full-time role involves close collaboration with back-end developers to del ...

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