1,010,684+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Fullstack Developer (React/.Net) UK (Mainly Remote)

Journi offers bespoke software development, strategic tech consultancy, tech support (with helpdesk) and digital transformation. We work with established businesses who need to take a more strategic approach to technology to facilitate growth as well as start-up founders who have little tech expertise. ...

Frontend Developer (Vue.js or React or Angular)

TransPerfect Is More Than Just a Job…Our greatest asset is our people, and nothing is more important to us than ensuring that everyone knows that. Each of our 100+ offices has its own individual identity, and each also has its own unique rewards.We’re hiring aFrontend Engineerto join ...

Drainage Assistant Nights

Drainage Assistant NightsGravesend and local areasSalary up to -£34,346 Depending on experience + overtime OTE £7,000Hours: Full Time/Permanent/Mon-Fri (45 hours) - Generally, 6pm – 4am but can change depending on location of worksHave you worked within the drainage or construction industry f ...

Senior Low Latency Engineer

**Senior Low Latency Engineer** 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 ...

Senior Low Latency Rust Engineer

**Senior Low Latency Rust Engineer** 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 advance ...

Informatics Specialist

Informatics Specialist (2 Year Fixed Term) Pharmaceutical / Drug Discovery We are working with a well‑established drug discovery organisation to recruit an Informatics Specialist on a two year fixed term basis. This is a technical, backend‑focused role sitting within a broader informatics ...

Informatics Specialist

Informatics Specialist (2 Year Fixed Term) Pharmaceutical / Drug Discovery We are working with a well‑established drug discovery organisation to recruit an Informatics Specialist on a two‑year fixed term basis. This is a technical, backend‑focused role sitting within a broader informatics ...

Informatics Specialist

Informatics Specialist (2 Year Fixed Term) Pharmaceutical / Drug Discovery We are working with a well-established drug discovery organisation to recruit an Informatics Specialist on a two year fixed term basis. This is a technical, backend-focused role sitting within a broader i ...

Data Engineer, Prime Video Finance Analytics

Come 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 premium streaming service that offers customers a vast collection of TV shows and m ...

Test Lead Avaloq

Overview Position: Test Lead - AvaloqEmployment Type: ContractStart: ASAP (June/July 2026)Duration: 6 MonthsLocation: London, UK (Hybrid - 2/3 days per week in office)Language(s): English Focus on SAP is a sp ...

Test Lead Avaloq

Position: Test Lead - AvaloqEmployment Type: ContractStart: ASAP (June/July 2026)Duration: 6 MonthsLocation: London, UK (Hybrid - 2/3 days per week office)Language(s): English ...

Test Lead Avaloq

Position: Test Lead - AvaloqEmployment Type: ContractStart: ASAP (June/July 2026)Duration: 6 MonthsLocation: London, UK (Hybrid - 2/3 days per week office)Language(s): English ...

Test Lead Avaloq

Position: Test Lead - AvaloqEmployment Type: ContractStart: ASAP (June/July 2026)Duration: 6 MonthsLocation: London, UK (Hybrid - 2/3 days per week office)Language(s): English ...

Test Lead Avaloq

Position: Test Lead - AvaloqEmployment Type: ContractStart: ASAP (June/July 2026)Duration: 6 MonthsLocation: London, UK (Hybrid - 2/3 days per week office)Language(s): English ...

C++ Developer

C++ Developer – Smart Order Routing Ready to build the fastest paths to market? If you're a performance-obsessed C++ engineer with deep experience in low latency trading systems and smart order routing, this is the challenge you've been looking for. This is an opportunity to work at ...

C++ Developer

C++ Developer – Smart Order RoutingReady to build the fastest paths to market? If you're a performance-obsessed C++ engineer with deep experience in low latency trading systems and smart order routing, this is the challenge you've been looking for.This is an opportunity ...

Lead/ Senior Control Systems Engineer

Lead / Senior Control Systems Engineer As a Lead / Senior Control Systems Engineer you will work closely with the Regional Commercial Manager and be responsible for the full life‑cycle delivery of projects, ensuring technical compliance and quality from design and development through to programmi ...

Hybrid UK Software Engineer Intern – Hands on Dev & Impact

Lucy Group in Basildon is offering a unique opportunity for students working towards a degree in Software Engineering. You will gain hands-on experience in software and product development alongside skilled engineers. Your role will include delivering work packages, collaborating with project teams, an ...

C# Developer

C# DeveloperWe are currently looking for a full stack C#.NET developer to help create web applications for the management of operations within organisations.This covers everything from sourcing products, delivery of products to site (including vehicle tracking) and integration with 3rd pa ...

Senior Software Consultant

Join to apply for the Senior Software Consultant role at CDW UK 3 days ago Be among the first 25 applicants Join to apply for the Senior Software Consultant role at CDW UK Get AI-powered advice on this job and more ex ...

Robotics Electrical Engineer

**Job Title** Robotics Electrical Engineer **Job Category** Engineering **Job Description** **Robotics Electrical Engineer IV – Technology Solutions** **Overview**Are you looking to work in automation and develop industry-leading technologies in a collabo ...

Senior Front End Engineer (Docs)

Join Proton and build a better internet where privacy is the defaultAt Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-sou ...

Senior Product Engineer

🤔 About the Role:We’re looking for a Senior Product Engineer to help shape and scale the core technology behind Suvera’s virtual clinic. As a key member of our engineering team, you’ll work at the intersection of healthcare and technology - building reliable, user-friendly tools that empower clinician ...

Senior Java Developer Fixed Income Algo Technology, VP

**_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 global markets, we bu ...

Senior Python Developer

About The Role Hippo is a rapidly growing digital consultancy passionate about building and delivering transformative digital solutions for a diverse range of public and private sector clients. We are recruiting for a Senior Python Developer to join our Hippo Herd. We work at the intersec ...

JavaScript Developer

JavaScript Developer required to join a geospatial software development team. Requirements JavaScript, React, Typescript, HTML/CSS, Python and C# experience. REST APIs knowledge. Interest in mapping, geospatial, cloud and web technologies. Automation, code ma ...

Junior Software/Salesforce Developer

This is not your typical Salesforce Developer role! We are looking for a junior developer with strong JavaScript and/or Java fundamentals who wants to build a long-term career within Salesforce development. Existing Salesforce experience is useful, but not essential - attitude, technical capability, and willingn ...

Junior Software/Salesforce Developer

This is not your typical Salesforce Developer role! We are looking for a junior developer with strong JavaScript and/or Java fundamentals who wants to build a long-term career within Salesforce development. Existing Salesforce experience is useful, but not essential - attitude, technical capability, and willingn ...

Frontend Developer

TransPerfect is an established company with a start-up culture seeking creative entrepreneurial people like you to join our team. We’re hiring a Frontend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. If you’re ready to join ...

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 Developer (Angular) Up to £55k

Software Developer (Angular) - Up to £55k Location - Sheffield About the role A growing technology organisation within the healthcare and life sciences sector is seeking an Angular Developer to support the development of specialist applications. This is a collaborative role, wor ...

Applications Engineer On site

At Raspberry Pi, we are proud to foster an environment where those who work with us can do what they love and do it well. By joining Raspberry Pi, you’ll be adding to a lean and passionate team dedicated to democratising technology and providing affordable access to computing tools to people across the ...

Software Development Pro: Build Secure, Scalable Solutions

Shodhana Limited in the United Kingdom is seeking a Software Development Professional to design, develop, and maintain software applications. You will collaborate with cross-functional teams to deliver reliable and efficient systems while ensuring user needs are met. The role requires solid experience ...

Software Development Specialist

Shodhana Limited in the United Kingdom is seeking a Software Development Professional to design, develop, and maintain software applications. You will collaborate with cross-functional teams to deliver reliable and efficient systems while ensuring user needs are met. The role requires solid experience ...

Backend Engineer

Hello! We're Teya. Teya is a payment and software service provider, headquartered in London serving small, local businesses across Europe. Founded in 2019, we build easy to use, integrated tools that enable our members to accept payments and boost business performance. At Teya we believe sm ...

Director of Software Engineering (Systems Software)

Overview You’ll set direction, enable teams, and drive execution across multiple domains. In practice, this includes: Responsibilities Leading and developing a globally distributed organisation of 60+ engineers Aligning priorities across kernel, drivers, and user ...

Senior Ruby on Rails & API Integration Engineer

SeniorSoftwareEngineer/RubyOnRails/React/TypeScript Location:Wallingford-Oxfordshire(Hybrid)-onsiteonceevery4-6weeks Permanent AtDexory,wearetransformingthewarehousingandlogisticsindustrythroughdataintelligence. AsanIntegrationEngineer,youwillplayakeypartin ...

Junior Automation Test Engineer

We’re seeking a driven and detail-conscious Junior Automation Test Engineer to help support the testing and quality assurance of a contemporary software platform within a dynamic and collaborative engineering setting. As part of a small, highly engaged team, you’ll contribute directly to delivering ...

Staff Backend Engineer (Node or JVM)

Job DescriptionWe are seeking a Staff Engineer to join our software delivery team as a principal contributor. In this role, you will leverage your technical expertise to guide and support a team of engineers, while also actively contributing to the team's development efforts.You will play a ...

Senior Backend Engineer (Node or JVM)

Job DescriptionWe are seeking a Senior Backend Engineer with deep expertise in React Native to join our engineering team. In this role, you will apply your software engineering skills to build high-quality features, resolve bugs, and address technical debt. You will also bring a strategic pe ...

System Development Engineer, AWS Networking

DescriptionWould you like to be an Engineer that builds the Cloud, rather than an Engineer that just uses it? At AWS, our Engineers look after the behind-the-scenes software and tools that make the world's largest cloud computing infrastructure possible. We have an amazing opportunity for you to joi ...

System Development Engineer, AWS Networking

DescriptionWould you like to be an Engineer that builds the Cloud, rather than an Engineer that just uses it? At AWS, our Engineers look after the behind-the-scenes software and tools that make the world's largest cloud computing infrastructure possible. We have an amazing opportunity for you to joi ...

Senior Solution Architect

In a world with so many digital payment options, Alipay+ brings mobile payment technology and marketing tools together for simplicity and success. Description Position at Alipay Known as borderless payment, Alipay+ is accepted by global merchants online and in-store across over 55 ...

Platform Engineer

Platform EngineerInside IR35 contract - (Apply online only) a day2 x a month on site in Telford6 Month + contract We are seeking an experienced Platform Engineer to support the development, deployment and operation of cloud-native applications and platforms within an AWS environme ...

Senior Frontend Engineer

Are you a Senior Frontend Engineer looking to progress into a Lead position? As a Senior Frontend Engineer you will be given complete freedom to help drive this multi-award-winning health tech company forward. As the company continues to grow, “You” as the Lead Frontend Engineer will have the opport ...

Senior Frontend Developer – E Commerce (Shopify)

Senior Frontend Developer – E-Commerce (Shopify) Software Engineering London Role:Senior Frontend Developer Client:E-Commerce Location:London (hybrid) Durlston Partners is partnering with an innovative e-commerce brand crea ...

AWS DevOps Engineer eSC or eDV Cleared

We are seeking an AWS DevOps Engineer with eSC or eDV clearance to support IBM’s Public Sector and Defence projects. The role focuses on advancing DevOps capabilities across the full lifecycle, automating and optimising software delivery pipelines using modern DevOps tools and practices. Flexible w ...

On Site London DeFi Software Engineer: Live Trading Systems

Fionics is hiring DeFi Software Engineers for their team based in London. The role is focused on building and shipping production systems for live DeFi trading, requiring strong software engineering experience. Candidates should be proficient in languages like C++, Java, or Rust and have a proven track ...

Tech M&A VP: Lead High Impact Software Deals

A leading investment bank in the United Kingdom is seeking a Vice President to join its Technology M&A team. The successful candidate will lead technology transactions, provide strategic advice to clients, and oversee due diligence processes. This role requires a strong background in M&A, particularly in the tec ...

Lead ETRM Solutions Architect

Responsibilities: Define and own the architecture for applications and services across the end-to-end commodities trade lifecycle.Lead the design of integrations between ETRM platforms and surrounding systems, establishing scalable patterns and standards utilizing te ...

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