663,483+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Senior Mechanical Design Engineer

Senior Mechanical Design EngineerWool, Dorset (On-Site)Competitive Salary A specialist maritime and defence engineering organisation is looking for a Senior Mechanical Design Engineer to lead complex projects to support the Royal Navy. You will take ownership of the mechanica ...

Senior Mechanical Design Engineer

Senior Mechanical Design EngineerWool, Dorset (On-Site)Competitive Salary A specialist maritime and defence engineering organisation is looking for a Senior Mechanical Design Engineer to lead complex projects to support the Royal Navy. You will take ownership of the mechanica ...

Upstream Product Manager

At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. You’ll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. **A Day in the Life** Embark on an exciting journey ...

Senior Electrical Engineer

About the role To support Atelier Ten’s continued success. We have established, and continue to maintain, efficient and effective business knowledge and quality management systems in order to provide our clients - in both the private and public sector - with first‑class services covering the full ...

Operational Technology (OT) Cyber Security Systems Engineer

Bilfinger UK is a leading engineering and maintenance provider, supporting customers across the chemical & petrochemical, nuclear, oil & gas, pharmaceuticals & biopharma, power & energy, utilities, renewables and food & beverage markets. We enhance the efficiency of assets, ensuring a high level of availab ...

RECRUITMENT CONSULTANT — IT TECHNOLOGY

RECRUITMENT CONSULTANT — IT TECHNOLOGY Middlesbrough, North Yorkshire | Hybrid Working (Target-Based) | Competitive Salary + CommissionABOUT USWe are an established and well-regarded recruitment agency based in Middlesbrough, with a strong track record of placing IT and tec ...

RECRUITMENT CONSULTANT — IT TECHNOLOGY

RECRUITMENT CONSULTANT — IT TECHNOLOGY Oldham, Greater Manchester | Hybrid Working (Target-Based) | Competitive Salary + CommissionABOUT USWe are an established and well-regarded recruitment agency based in Oldham, with a strong track record of placing IT and technology pro ...

RECRUITMENT CONSULTANT — IT TECHNOLOGY

RECRUITMENT CONSULTANT — IT TECHNOLOGY Reading, Berkshire | Hybrid Working (Target-Based) | Competitive Salary + Commission ABOUT USWe are an established and well-regarded recruitment agency based in Reading, with a strong track record of placing IT and technology professionals ...

Application Security Engineer (London or Bristol)

Application Security Engineer (London or Bristol)We are HealthHero, Europe's largest digital clinic. Join us at a pivotal moment as we scale our digital healthcare platform across Europe — giving you the chance to shape security at the heart of a fast-growing, AI-driven business. We are recruiting ...

Assistant Engineer

Join a growing engineering team as an Assistant Engineer, supporting the installation of cutting-edge TV and technology systems for major UK hospitality and commercial clients while developing your technical skills through hands-on training and nationwide projects. Assistant EngineerChorley ...

Senior Electrical Design Engineer

Senior Electrical Design Engineer Location: Manchester with Hybrid Working. Sector: Multi‑Sector Design Projects. Turner Property Recruitment are delighted to be assisting their client in the search for a Senior Electrical Design Engineer to join a highly regarded engineering team deliver ...

Hybrid QA Engineer Playwright & TypeScript Automation

Spectrum It Recruitment Limited is seeking a Software QA Engineer to join their team in Brighton. The role involves introducing and maintaining new technologies, improving QA processes, and supporting the full testing life cycle. This position is hybrid, requiring one day per week in the office. Candid ...

Senior / Principal Mechanical Engineer

Senior Mechanical Design EngineerWater & Wastewater InfrastructureLocation: St AlbansEmployment Type: Permanent The OpportunityOur client is seeking an experienced Senior Mechanical Design Engineer to join their growing ...

Principal Bridge Engineer

Principal Bridge Engineer Location: Manchester (Hybrid Working Available) Contract: 12 Months + Hours: 40 Hours per Week Rate: £55.00 - £65.00 per hour Umbrella (Inside IR35) Overview We are seeking an experienced Principal Bridge Engineer to provide tech ...

Edinburgh Hybrid: Software Engineering Manager, Build Teams

Experis Scotland is seeking a Software Engineering Manager in Edinburgh to build and lead a new engineering team in a hybrid working model. This role involves influencing culture and technology to deliver a cutting-edge video security platform with a focus on collaboration, innovation, and performance. <p ...

Principal Road Engineer

About the role WSP is seeking an enthusiastic and talented Principal Engineer to join the Roads team based in the North West, in either the Manchester or Liverpool offices. You will lead the day-to‑day technical delivery of highway consultancy services to support our clients through all s ...

Solution Architect Wembley

Salary: £75,000 - 85,000 per year Requirements: Experience in Solution Architecture with a clear focus on E-commerce platforms or API/Middleware ecosystems. Expert-level knowledge of Node.js, Java (Spring Boot), and PostgreSQL, including the ability to read and cri ...

Civils Engineer/Senior Engineer/Principal Engineer

Civils Engineer/Senior Engineer/Principal Engineer – Wanted – Immediate Start! Leicester Based | Salary: £35k-£60k+ Permanent, Full-Time Are you an experienced Civils Engineer? Regional Recruitment are recruiting for a Civils Engineer/Senior Engineer/Principa ...

Solution Architect

Blackapple Solutions Ltd (BSL) was founded in 2004 with the mission to provide best-in-class technology consulting and services across the globe. BSL offers its services in Information Technology, Enterprise Resource Planning (ERP) and Engineering consulting, with the mission of becoming internationally re ...

Knowledge Base Owner

Caseware is one of Canada's original Fintech companies, having led the global audit and accounting software industry for over 30 years, with more than 500,000 users across 130 countries and available in 16 different languages. While you might not have heard of us (yet) over 36,000 accounting and audit profession ...

Control Systems Engineer

This UK‑based engineering company, working across offshore energy, renewables, and other advanced industries, offers more than just a job. It provides long‑term career stability within a respected, employee‑owned business. You will benefit from competitive pay and a reliable pension scheme. The employee‑ow ...

Senior Engineer, TCAD

Job Description Silvaco is looking for a software engineer to join our TCAD simulation team in the UK. Working at the very center of the TCAD group, the Numerical Simulation Software Developer will help Silvaco develop and deliver high quality products and services. As a member of the TCA ...

Electrical Design Engineer Automation & Controls

Permanent Futures Limited is seeking an Electrical Design Engineer to join their automation-focused engineering team in the United Kingdom. This role is perfect for a graduate or early-career engineer looking to grow within industrial automation and control systems. The successful candidate will design ...

Senior Drainage Engineer

We are currently looking for a Senior Drainage Engineer to join a leading Tier 1 consultancy in Cardiff. You’ll be working across a range of major infrastructure frameworks, delivering drainage and SuDS design on high-profile projects.£50 - £60 per hour / £375 - £450 per day (Inside IR35)Insi ...

AI Native Engineer: Build AI Driven Platform (Hybrid/Remote)

Citation Canada in Wilmslow is seeking an AI-Native Software Engineer to play a pivotal role in a platform transformation. You will write production-quality code and significantly impact how software is built and delivered. The position offers the opportunity for hybrid or remote work and focuses on de ...

Quantum Algorithms Engineer for Next Gen Applications

Infleqtion is looking for a Quantum Software Engineer to develop applications and algorithms for next-generation quantum computers in Kidlington, UK. You will collaborate with teams to translate theoretical concepts into practical implementations through coding and optimization. The ideal candidate has ...

Senior Backend Engineer Cloud Native, High Perf Systems

IBM is looking for a Senior Software Engineer to join their team in Markham, United Kingdom. In this role, you'll design and build backend systems that are part of the cutting-edge cloud-native solutions the company is known for. Your responsibilities will include troubleshooting complex technical issu ...

DevOps Engineer for Embedded & Desktop Apps

Saab is looking for a DevOps Engineer to support their BlueBear Business in Dunstable, UK. The role focuses on optimizing CI/CD pipelines, maintaining software development tools, and automating processes to enhance software delivery. The ideal candidate will have a strong background in CI/CD tools such ...

Senior TypeScript AI Engineer — Hybrid, Cloud‑Native

Liberty IT is seeking a Senior Software Engineer in Belfast to work on AI research and deliver high-quality software. The role involves prototyping AI features and contributes to a culture of continuous improvement and customer experience. Ideal candidates should have experience with TypeScript, NodeJS ...

Senior .NET Backend Engineer — Scalable, Secure Systems

TransPerfect is seeking a Senior Software Engineer to join their global team in London. This role involves engaging in all phases of application development and focuses on coding, debugging, and building scalable software systems. The ideal candidate will have 8+ years of experience, extensive knowledg ...

Senior AI Platform Engineer

Motive Partners is looking for a Senior Software Engineer to join InvestCloud. In this role, you will be responsible for building and shipping production software within the Private Markets Network team, integrating modern AI tooling to enhance business functions. Your contributions will include develo ...

Observability Engineer: OpenTelemetry & AI Driven Telemetry

United States Digital Space LLC is seeking a Software Engineer to join its Observability Engineering Team based in London. This role will focus on improving instrumentation across services using OpenTelemetry SDKs and enhancing service-level visibility with application and infrastructure teams. The ide ...

Platform Engineer: AI Tooling & Workflows

Dormont Manufacturing Co is looking for a Platform Engineer - Developer Tooling & AI Workflows to design and enhance tooling capabilities supporting software development. You will work on automating workflows, integrating AI into development environments, and improving developer experiences. The ideal ...

Pricing Platform Engineer, Personal & Business

United States Digital Space LLC is seeking a passionate Software Engineer for the Personal & Business Pricing Team. This role offers a unique opportunity to significantly impact Wise's growth by designing and building scalable pricing solutions. The successful candidate will work in a collaborative atm ...

Senior Python Engineer – Blockchain Scale up (Hybrid)

A leading technology firm is seeking a Senior Software Engineer with expertise in Python and an interest in Blockchain. This hybrid role in Central London involves designing and building core backend software to support impactful real-world applications in sectors like public safety and financial systems. Candid ...

Senior Embedded Systems Engineer Linux & C/C++

Energy Jobline ZR is seeking a Senior Software Engineer to join its Cambridge-based R&D team. The ideal candidate will have strong experience in embedded systems and C/C++ programming, contributing to the development of high-quality embedded software for next-control hardware. Your role will involve co ...

Senior C# Backend Engineer Greenfield & SC Cleared

OSI Maritime Systems Ltd. in Waterlooville is seeking a seasoned Desktop C# Server Side Software Engineer. The role involves creating a Greenfield product and building a Common Framework of reusable modules. Candidates should have a minimum of 6 years in software development, ideally within the maritime or de ...

Senior ML Systems Engineer: Performance & Simulation

Deep Technology Organisation is seeking a Senior Software Engineer (ML Systems) in London. This role focuses on developing simulation frameworks and analyzing performance in distributed systems. Candidates should have strong programming skills in Python, C++, and/or Rust, and experience in high-performance co ...

Robotics Test Engineer: End to End Release & HIL Testing

Thehumanoid in Greater London is seeking a Robotics Test Engineer to support software release validation, policy evaluations, and metrics collection on humanoid robots. You will run tests on actual robots, ensuring quality gates are met before deployment while collaborating with the Test Team. Candidat ...

Embedded Video Systems Engineer Linux, Media Playback

BrightSign is seeking an embedded software engineer based in Cambridge, UK, to enhance media playback on their digital signage platforms. The role requires expertise in C/C++ and hands-on experience with media playback technologies. You’ll be involved in developing features, debugging issues and ensuring platfor ...

Senior AI Services Engineer: Cloud Native on Azure (Hybrid)

AVEVA is looking for an Experienced Software Engineer to join their Core AI Services team in Cambridge, United Kingdom. This role involves designing and developing secure, reliable, and cloud-native AI services that act as building blocks for AI adoption. The ideal candidate will have extensive experie ...

Senior Backend Engineer Golang & TypeScript (Remote)

Threecolts, based in Bristol, is seeking an experienced Software Engineer to take ownership of features in the Threecolts Hub. The role involves designing and building scalable services and APIs, contributing to technical discussions, and collaborating with teams. Ideal candidates will have 5-8+ years ...

Staff AI Systems Engineer LLMs & AWS

StepStone Group in Greater London is seeking a Staff Software Engineer (AI) to design and build agentic AI systems. This strategic role focuses on integrating LLMs into reliable architectures. Responsibilities include leading AI solutions, collaborating with cross-functional teams, and shaping product deployment ...

Embedded Linux Engineer – Medical Devices (Hybrid, Watford)

Cyber Security training courses is seeking an experienced Embedded Linux Software Engineer to support the development of medical devices. This role involves both onsite work in Watford and some remote flexibility, addressing complex systems in healthcare environments. The ideal candidate will have exte ...

Senior Build & Cloud Infra Engineer

A leading AI hardware company in Cambridge seeks a Software Infrastructure Engineer to develop and maintain essential tools for software build and release processes. You'll work with Kubernetes and Docker, manage cloud infrastructure using Terraform, and enhance CI/CD principles. We offer competitive salary, fle ...

Junior QA Engineer (Hybrid) — Shape Quality & Automation

The Delta Group in Bishop's Stortford is looking for a Junior Quality Assurance Engineer to join their Product Team. You will play a central role in ensuring the quality and reliability of their software products through both manual and automated testing. This position offers a hybrid work model and in ...

Secure Embedded Firmware Engineer

Redline Group Ltd in Newark is seeking a Product Cybersecurity & Firmware Engineer to contribute to secure, network-connected products for assistive listening solutions. The ideal candidate will have a degree in a related field and strong experience in embedded software development with C/C++, alongside knowl ...

Backend Engineer (C++) for High Performance Defense Systems

A defense technology company in Swindon is seeking a talented Backend Engineer to design and build secure, high-performance software systems. Responsibilities include developing core software, managing data processing, and integrating various technologies. Ideal candidates have a degree in Engineering or Compute ...

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