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

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Technical Lead (AI & MACH)

Technical Lead (AI & MACH) At AKQA (part of WPP), we believe in the imaginative application of art and science to create beautiful ideas, products and services. With an entrepreneurial and collaborative approach, we design and build adaptive digital products, services and experiences that ...

Principle Electrical Design Engineer

Principal Electrical Design Engineer - Data Centres Location: South London About the Role We are seeking a highly experienced Principal Electrical Design Engineer to lead the delivery of complex, large-scale data centre projects across the UK and internationall ...

Senior Earthing Design Engineer

Job Title: Senior Earthing Design EngineerLocation: Bristol (Bristol & Bath Science Park)Salary: Competitive + Bonus + BenefitsShift Type: Monday – FridayThe OpportunityThis is a key position within a ...

FPGA Engineer (Graduate Senior)

Job DescriptionFPGA Engineer (Graduate - Senior)A brilliant opportunity to join an innovative team building high-integrity, security-critical FPGA solutions. Whether you’re a recent graduate building foundations or a seasoned engineer lea ...

FPGA Engineer (Graduate Senior)

Job DescriptionFPGA Engineer (Graduate - Senior)A brilliant opportunity to join an innovative team building high-integrity, security-critical FPGA solutions. Whether you’re a recent graduate building foundations or a seasoned engineer lea ...

FPGA Engineer (Graduate Senior)

FPGA Engineer (Graduate - Senior)A brilliant opportunity to join an innovative team building high-integrity, security-critical FPGA solutions. Whether you’re a recent graduate building foundations or a seasoned engineer leading architecture and veri ...

.NET Developer – Newcastle upon Tyne

.NET Developer – Global Phenomenon – Newcastle upon Tyne, Tyne and Wear (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET De ...

.NET Developer Newcastle upon Tyne

.NET Developer - Global Phenomenon - Newcastle upon Tyne, Tyne and Wear (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has created a global phe ...

Senior QA Automation Engineer

At NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like us, we can offer you the ultimate career opportunity that will light a fire within you.So, what’ ...

Principal Engineer (Drainage)

Are you an experienced civil engineer with deep expertise in drainage, highways, and infrastructure design? Do you want to lead technically challenging projects, shape strategy, and drive excellence in sustainable infrastructure across the UK? If so, this is an outstanding opportunity to join our Infrastructu ...

Senior Electronic Design Engineer

Senior Hardware Design EngineerSalary: £55, - £63,Location: Essex CoastWe're working with a leading UK-based electronics manufacturer that designs and produces high-performance test and measurement systems used across aerospace, automotive, and advanced technology sectors ...

Advisor, Technology Solutions and Digital Products

At APL Logistics, we focus on connecting supply chains across Automotive, Consumer, Industrial, and Retail sectors, globally. Join us and discover how our business within this industry is dependent on our network of passionate colleagues, clients, and partners.Together, we inspire business, driv ...

Infrastructure Engineering Specialist Platform Engineer

Infrastructure Engineering Specialist - Platform Engineer Security Clearance: An Active DV (Developed Vetting) level of National Security clearance is absolutely mandatory for this role. Location & Working Model: London — Onsite 5 days per week Company & Team: Leading Communicatio ...

Advisor, Technology Solutions and Digital Products

At APL Logistics, we focus on connecting supply chains across Automotive, Consumer, Industrial, and Retail sectors, globally. Join us and discover how our business within this industry is dependent on our network of passionate colleagues, clients, and partners.Together, we inspire business, driv ...

Enterprise Architect

Role: Enterprise Architect Type: Full-time, permanent Industry: Manufacturing (packaging) Location: London (hybrid) Salary: £95K Overview We're supporting a large organisation undergoing significant transformation, looking to appoint a senior technology/ent ...

DevOps & Platform Security Engineer

Hybrid based in London or WarsawOur Vision To empower every e-commerce business in the world to turn its data into instant access to capital.Role Overview We're seeking a skilled DevOps Engineer to modernize and secure our infrastructure as we sca ...

DevOps & Platform Security Engineer

Hybrid based in London or WarsawOur Vision To empower every e-commerce business in the world to turn its data into instant access to capital.Role Overview We're seeking a skilled DevOps Engineer to modernize and secure our infrastructure as we sca ...

Development Team Lead – Client Facing Technology

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, ...

AWS Cloud Architect eSC or eDV Clearance Required

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Senior Localisation Engineer

Established in 1998 and working in over 30 languages, the Keywords Group is a fast growing plc. listed on the London Stock Exchange’s AIM market. We are one of the leaders in the provision of localization services to the Video games and Software Localization markets worldwide. Keywords are an i ...

Principal Firmware Engineer Level 6

Principal Firmware Engineer (FPGA) 1701 Location: Edinburgh (primarily onsite, with limited remote working)Duration: 12 Months (Inside IR35)Rate: £70 per hour Umbrella We seek an engineer with recent high-integrity or safety‑critical industry experi ...

Senior Hardware Design Engineer

Senior Hardware Design Engineer (PCB Design)Location: Essex, UKSalary: £55, - £63, + Relocation SupportWe are looking for an experienced Hardware Design Engineer with a strong PCB design background to join a growing engineering team developing high-performance electronic product ...

Energy & Sustainability Engineer

This range is provided by PT Renewables. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from PT Renewables. Senior Renewables Consultant | Helping businesses secure top Sustainability ta ...

Geotechnical Design Engineer

Senior Geotechnical Design Engineer Croydon £50,000 - £70,000 Benefits: Competitive salary Annual performance bonus Hybrid working opportunities Private healthcare Company pension scheme Professional membership fees ...

Senior Engineer

Laing O'Rourke (Expanded) are currently recruiting for a Senior Engineer to work our Advanced Reinforcement Manufacturing Facility, in Avonmouth (Bristol) Known terms: Sub Agent / Technical Coordinator The Expanded Group provides total ...

Frontend Engineer (TypeScript) – Hybrid, Real Time UI

Motorola Solutions is seeking a Software Engineer, Frontend in Edinburgh to develop robust software. You will work with TypeScript and modern frameworks within a collaborative team. The role includes analyzing and maintaining software, implementing state management, and collaborating across teams. Moto ...

Principal Mechanical Engineer

As the demand for our expertise continues to grow, we have an exciting opportunity for a Principal Mechanical Engineer to join our experienced MEP team based at our office in Winchester.You will be able to demonstrate solid experience of working in a design capacity with an extensive technical knowledg ...

3.4U Inspection Engineer

3.4U Inspection Engineer We currently looking for a competent 3.4U Inspection Engineer fully conversant with Aker COABIS software. ...

Principal Engineer

Role OverviewRevvity is seeking an experienced Principal Sustaining Engineer to join the Llantrisant site and provide technical leadership for sustaining, improving, and ensuring the long‑term reliability and compliance of complex, high‑reliability instrumentation.This role will act as a ...

Associate

**About this role** **About the BlackRock Returner Programme** The Returner Programme is designed to encourage and support a return to full-time work through a six-month paid internship starting in September 2025. The returner programme acts as a feeder to full-time permanent employment (subjec ...

Senior Embedded Software Architect Real Time Systems

United States Digital Space LLC in Heybridge is seeking a Principal Software Engineer to specify, design, validate, and test software components. The role focuses on delivering high-quality software and ensuring requirements are met through effective design and testing. Ideal candidates will have stron ...

Principal Research Engineer

Salary: £90,000 - 90,000 per year Requirements We are seeking experience across several of the following areas: distributed systems and data-sharing platforms, industrial AI or edge AI, cloud and microservices architecture, Python, Java and SQL, PostgreSQL, MongoDB, Spark or ...

SENIOR ANDRIOD ENGINEER

SENIOR ANDRIOD ENGINEER Rate: £552 Clearance required: SC cleared Location: London Hybrid IR35 Status: PAYE via Umbrella company only We are seeking an experienced Senior Android Developer to design and build high-quality nativ ...

Senior Go Backend Engineer Remote & Terraform

Chainguard, Inc. is seeking a Senior Software Engineer for their secure software supply chain team. In this role, you will build critical components on GCP, ensuring high-quality software delivery. We seek individuals with strong Go engineering skills and experience tackling unstructured data problems. ...

Site Reliability Engineer III

## Site Reliability Engineer IIIApplylocations: Belfast - Millennium Housetime type: Full timeposted on: Posted Todayjob requisition id: 33993**Site Reliability Engineer III/SRE III (Tue - Sat)**CME Group is seeking a **Site Reliability Engineer III (Tue - Sat)** to take a key role in building, operating ...

Principal Mechanical Design Engineer

Salary£55000 - £65000 per annum + upto 20% pension, hybrid & flexiLocationOxfordJob ReferenceBBBH4666Job Type PermanentPosted Date 10/02/2026 Job Details</p ...

Principal Mechanical Design Engineer

Salary£55000 - £65000 per annum + upto 20% pension, hybrid & flexiLocationManchesterJob ReferenceBBBH4667Job Type PermanentPosted Date 10/02/2026 Job Details</p ...

Partner Solutions Architect

Job Summary The Partner Solutions Architect (PSA) at NetApp is a senior technical enablement resource aligned to a defined set of strategic channel partners within the UKI region. This role is focused on developing, enabling, and influencing partner technical communities, ensuring partners are eq ...

Principal Site Reliability Engineer

Overview Join to apply for the Principal Site Reliability Engineer role at Playson . Founded in 2012, Playson is a leading iGaming supplier recognized worldwide. We provide our customers with a high-end micro-service-based platform as a service that aims to process bi ...

Product Cybersecurity & Firmware Engineer

A Product Cybersecurity & Firmware Engineer is sought to join an innovative engineering team in Newark, Nottinghamshire, contributing to the development of secure, network-connected embedded products for industry-leading assistive listening solutions. The Product Cybersecurity & Firmware Engineer, ...

Product Cybersecurity & Firmware Engineer

A Product Cybersecurity & Firmware Engineer is sought to join an innovative engineering team in Newark, Nottinghamshire, contributing to the development of secure, network-connected embedded products for industry-leading assistive listening solutions. The Product Cybersecurity & Firmware Engineer, N ...

Product Cybersecurity & Firmware Engineer

Overview A Product Cybersecurity & Firmware Engineer is sought to join an innovative engineering team in Newark, Nottinghamshire, contributing to the development of secure, network-connected embedded products for industry-leading assistive listening solutions. The Product Cybersecurity & Fi ...

FPGA & Electronics Engineer

Opportunities like this don't come around often. We're partnering with an innovative engineering technology company that develops advanced monitoring and diagnostic products used to protect critical infrastructure around the world. Their technology helps customers identify potential failures before ...

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