1,937,553+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

Senior Full Stack AI Engineer: Public Sector Impact

Job Search Place Limited is seeking a Senior Full-Stack Software Engineer to join their growing team in London. In this role, you'll collaborate directly with public sector clients to build impactful AI applications, addressing critical challenges. Your experience with React, cloud environments, and fu ...

Senior Production AI Engineer – Full Stack Expert

A fast-growing AI-first company in England seeks a Senior Software Engineer responsible for building reliable full-stack systems. Candidates should have hands-on experience with TypeScript and React, a strong sense of ownership, and the ability to thrive in dynamic environments. The role involves collaborating c ...

64521 1 Software Engineer in London Career Moves Group

64521-1 - Software Engineer London, United Kingdom Posted 9 months ago Tech Stack Python JavaScript PHP Java Requirements Clear milestones, with relevant documentation and test plans. Experienc ...

Software Engineer — Architect & Build High‑Impact Apps

64521-1 - Software Engineer London, United Kingdom Posted 9 months ago Tech Stack Python JavaScript PHP Java Requirements Clear milestones, with relevant documentation and test plans. Experienc ...

staff data engineer in London King

Staff Data Engineer London, United Kingdom Posted 10 months ago Compensation: Competitive Role type: Full time Visa sponsorship: Not provided Tech stack software design PostgreSQL Java MySQL Databases ...

Senior Fullstack Engineer in London Track24

Availability and Scalability of Software Systems Requirements Strong experience with backend, frontend, and mobile development with Node, React/React Native, and PHP Experience with project management tools such as Jira or Linear Experience with cloud computing ...

Senior Fullstack Engineer – Compliance Automation

Java Script Works is seeking a Senior Software Engineer, Fullstack based in London, United Kingdom. This full-time position involves collaboration with talented engineers to design and develop product functionality using modern frameworks such as TypeScript, React, and Node.js. The ideal candidate will ...

Java Engineer

Job Description Join our US Product Development team, where we build innovative retail systems for Sportsbooks and hotel check-in kiosks across the US. As a backend developer, you’ll help design and deliver high-quality, high-performance microservices that power customer-facing features. We value ...

Java Engineer

We're partnered with a global financial services consulting firm seeking a highly experienced Engineers with deep Java expertise to join their growing engineering practice in London. Renowned for their entrepreneurial culture and high-impact delivery for Tier 1 financial institutions, this is an ex ...

Java Engineer

We’re partnered with a scaling FinTech who are looking for a Full Stack Engineer to join their team as they continue to grow. This role is within a critical business division who are responsible for a modernisation programme, and you’ll have the opportunity to work on large-scale platforms, leveraging AI-a ...

Java Engineer

Join our US Product Development team, where we build innovative retail systems for Sportsbooks and hotel check-in kiosks across the US. As a backend developer, you’ll help design and deliver high-quality, high-performance microservices that power customer-facing features. We value engineers who take pride ...

Java Engineer

Software Development Engineer II - Java Job Description As an SDE2 at Tesco, you are a mid-level individual contributor whose impact reaches across your team. You provide technical leadership for medium to large features, participate in their design, and take accountability for delivery. ...

Java Engineer

Title: Java Engineer Client: Fintech Salary: Up to £115,000 + Benefits Location: London About the Company Our client is an exciting and rapidly scaling fintech technology company building next-generation data infrastructure for moder ...

Java Engineer

Leeds, West Yorkshire, United Kingdom (Hybrid) Job Summary Join our US Product Development team, where we build innovative retail systems for Sportsbooks and hotel check‑in kiosks across the US. As a backend developer, you’ll help design and deliver high‑quality, high‑performance microser ...

Java Engineer

Salary: £50,000 - 50,000 per year Requirements Eligible to reside in the UK for the past 5 years and prepared to go through UK SC Security Clearance Experience in Java software engineering and object-oriented design Spring (Boot) experience Expe ...

Java Engineer

About the role We have an exciting opportunity for a Java Engineer to join the elementsuite team, with a passion for clean code, elegant architecture, and efficient delivery. This is a hands‑on role where you'll be developing the elementsuite platform and its foundational services - all mission‑c ...

Java Engineer

Senior Java Engineer / SRE London (Hybrid) The company A well-established global fintech business operating large-scale trading platforms across multiple asset classes including equities, leveraged products, futures, options, and digital assets. Their technology supports a sig ...

Java Engineer

About Us: Solirius Reply, part of the Reply Group, delivers technical consultancy and application delivery to our clients in order to solve real world problems and allow our clients to respond to an ever‑changing technical landscape. We partner closely with our clients, embedding our consultants ...

Java Engineer

Join our US Product Development team, where we build innovative retail systems for Sportsbooks and hotel check-in kiosks across the US. As a backend developer, you’ll help design and deliver high-quality, high-performance microservices that power customer-facing features. We value engineers who take pride in ...

Java Engineer

Join our US Product Development team, where we build innovative retail systems for Sportsbooks and hotel check-in kiosks across the US. As a backend developer, you’ll help design and deliver high-quality, high-performance microservices that power customer-facing features. We value engineers who take pride in ...

Java Engineer

Get AI-powered advice on this job and more exclusive features. Java Engineer – Java Developer – PostGres – Kubernetes – Kafka – TDD – 6‑Month Contract – Hybrid (2 days on site, London) – Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, hig ...

Java Engineer

Location: Hybrid (approximately 2 days per month required onsite in London)Contract Type: Permanent/ or initial 12-Month Fixed Term Contract (FTC)Employer: Amber Labs – Digital ConsultancyClearance: Active SC Clearance RequiredStart Date: ImmediateAbout Amber LabsAmber Labs is a forward-t ...

Java Engineer

InfoSum is WPP’s privacy-first data collaboration technology, trusted by global businesses to unlock the full potential of their first‑party data without risk. Its patented, cross‑cloud, decentralized collaboration technology leverages advanced Privacy‑Enhancing Technologies (PETs) to radically transform h ...

Software Engineer Gloucester National Security in Gloucester BAE Systems

Software Engineer - Gloucester - National Security Gloucester, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Software Engineer Security Backend C Java Node.js </li ...

Technical Lead

Want to lead a team while still building, shaping, and owning technology that has a real‑world impact? At Bohr, the platforms you help build don’t just power software, they help reduce methane emissions across the UK & Europe’s gas networks. This is an opportunity to take on a hands‑on leadership ro ...

Technical Lead

Want to lead a team while still building, shaping, and owning the tech that has a real-world impact? At Bohr, the platforms you help build don’t just power software, they help reduce methane emissions across the UK & Europe’s gas networks. This is an opportunity to take on a hands‑on leadership role ...

Software Engineer – Generative AI

We are working with a global technology transformation consultancy that combines strategy, engineering, design, data and AI to solve complex client problems. This is a UK-based role with flexibility depending on project and client needs. You will join an award-winning workplace culture that values ownership, ...

AI Driven Full Stack Engineer | RAG & LLM Specialist

Proficiency in Full-Stack Development Proficiency in building modern, full-stack applications with back end development in Python, Node.js, or Java, and front end development with frameworks like React, Angular or Next.js. Experience with AI Solutions Understand and have implement ...

Senior Full Stack Cloud Native Developer (OTC Team), Charles River Development, Assistant Vice President

Who We Are Looking ForWe are seeking a full‑stack, cloud‑native engineer to enhance and maintain our Enhanced OTC Module. This includes building a modern JavaScript front end and a Java‑based backend deployed on Azure Cloud. You will also support both customer‑facing and int ...

Senior Full Stack Cloud Native Developer (OTC Team), Charles River Development, Assistant Vice President

Who We Are Looking ForWe are seeking a full‑stack, cloud‑native engineer to enhance and maintain our Enhanced OTC Module. This includes building a modern JavaScript front end and a Java‑based backend deployed on Azure Cloud. You will also support both customer‑facing and int ...

Java Developer / Java Developer Lead

Overview We are hiring Java Developers at Mid to Lead level for a contract role in Burgess Hill, UK, with a hybrid working arrangement of 2 days onsite. The role is focused on enterprise-scale workflow automation and digital transformation programmes, and it is ideal for engineers with strong Jav ...

Java Developer / Java Developer Lead

Salary: £40,000 - 46,000 per year Requirements Java 11/17+ Spring Boot Camunda REST APIs Microservices Architecture Workflow Design & Process Orchestration Error Handling / Exception Management Event-Based ...

Java Developer / Java Developer Lead

Salary: £40,000 - 46,000 per year Requirements Java 11/17+ Spring Boot Camunda REST APIs Microservices Architecture Workflow Design & Process Orchestration Error Handling / Exception Management Event-Based ...

Software engineering technical lead manager in London Writer

Software Engineering Technical Lead Manager London, United Kingdom Tech Stack Scala Python Technical Lead Java Technical Background In software engineering and development, I have expertise in distributed systems, mul ...

Senior/Lead Engineer React, TS & Cross Platform

Java Script Works is looking for a skilled Senior/Lead Engineer with expertise in React (Next.js), React Native, and TypeScript to drive their cross-platform mobile application and technology ecosystem. The ideal candidate will identify and resolve architectural and performance issues, ensuring opti ...

PKI & Identity Security Software Engineer

A leading recruitment agency is seeking a talented software engineer to develop high-volume PKI solutions in an agile environment. The ideal candidate will have experience with Go, Java, C++, or Python, and possess knowledge of full-stack applications, REST APIs, and DevOps principles. Strong communication skill ...

Typescript Software Engineer

Senior Full-Stack Engineer Trading Platform (TypeScript / Node.js / React) Job Description Senior Full-Stack Engineer Trading Platform (TypeScript / Node.js / React) Location: Waterloo, London (Hybrid) Overview Our client, a large enterprise, is seeking a ...

Senior Lead Software Engineer Databricks & Python

Join an agile team delivering high-quality technology products. As a Senior Lead Software Engineer (Python/Java, Spring, API, AWS) at JPMorganChase in Global Finance Technology, you'll build secure, scalable solutions, write production code and tests, review code, and pair program. In Regulatory Re ...

Microsoft AI Engineer / Azure Artificial Intelligence Engineer

Microsoft AI Engineer / Azure Artificial Intelligence EngineerThis is a new and exclusive opportunity for a Microsoft AI Engineer / Azure Artificial Intelligence Engineer to join this thriving technology business as they grow their AI Risk Management & Governance teamThe AI Security Engineer ...

Lead Engineer – Building the Future of Global Sports Technology!

This is a chance to help build products that are used by athletes, coaches, and teams across every major sport worldwide! As a business, they are working on technology that powers elite performance , transforms training, and brings cutting‑edge AI and computer vision directly into th ...

Tech Lead: Full Stack Architect (Remote + Travel)

Areti Group | B Corp™ is seeking a Tech Lead – Full Stack Developer with a salary of up to £85,000 plus fully expensed travel. The role is ideal for those who enjoy coding while leading a small team of engineers. You will work across the full stack, driving architecture and best practices in a product- ...

Lead AI Driven Platform Engineer (Hybrid)

Adria Solutions Ltd. is seeking an Agentic Software Engineer for a leading role in developing a new digital platform in the medtech sector. The ideal candidate will possess strong full-stack development skills in React, TypeScript, and Node.js, along with expertise in REST APIs and PostgreSQL. Responsibilities i ...

Senior Software Engineer

Software Engineer & Senior Software Engineer | React, TypeScript, Node, Python | Mission-Led Global Environmental Data Non-Profit Salary: (Software Engineer - £50,000-£60,000) / (Senior Software Engineer -£70,000 to £80,000) Location: London, Hybrid. You will need to be within com ...

React & React Native Engineer — Hybrid & Impactful

CACI Digital Experience in Greater London is looking for a skilled developer to join their collaborative team. You will be responsible for developing web applications with React and building cross-platform mobile apps using React Native. This role emphasizes innovative problem-solving and high-quality user ex ...

Software Engineer

Overview Full Stack Software Engineer – Java & Springboot Location: Hybrid Remote (occasional travel to client offices depending on base location: London/Glasgow/Newcastle/Manchester). Type: Permanent | Full-Time Sector: Digital Consultancy / Public Sector / Privat ...

Software Engineer

Salary: £50,000 - 60,000 per year Requirements: Degree in Computer Science, Engineering or similar Strong experience with Git for version control Proficiency in JavaScript/TypeScript and React Experience with Back End languages: Java, Python or ...

Senior Software Engineer

About this job Role: Senior Software Engineer Locations: Gloucestershire | Manchester | London (Hybrid / Remote Options Available)Salary: £40,000 - £75,000 + Comprehensive BenefitsType: Full-time, PermanentPLEASE NOTE: This role req ...

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