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

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Lead Backend Engineer — Scale, Mentorship & Microservices

ZEGO is seeking a Lead Backend Engineer to shape the future of its services in the UK. This role is designed for individuals who excel at solving complex problems and have a strong backend expertise, particularly in Python microservices. As a Lead Engineer, you will mentor others, guide multiple engine ...

Lead HVAC Commissioning & Water Treatment Engineer

Cleartech Group is looking for an HVAC Commissioning & Water Treatment Engineer in England. The role entails ensuring site safety, maintaining records, and overseeing the commissioning process. Ideal candidates should have experience in air and water services, with at least a CSA Grade 3 qualification. ...

Lead Mechanical Engineer, Water Sector (Hybrid)

Advance Training & Recruitment Services is seeking a Principal Mechanical Engineer in St Albans. This hybrid role allows you to lead mechanical design for water projects within a new London unit. You will mentor junior engineers and coordinate design teams, influencing project delivery. With 10+ years ...

Aerospace CM Engineer: Data & Change Lead

Holt Recruitment is seeking a Configuration Management Engineer to support the development of mission-critical systems in a regulated aerospace environment. You will work with multidisciplinary teams to ensure effective configuration and data management processes are in place throughout the engineering lifecy ...

Senior Civil Engineer – Design Lead & Mentoring

SKANSKA in the United Kingdom is seeking a Senior Civil Engineer to manage and technically deliver projects within the Infrastructure team. This role involves planning, organization, budget control, and collaboration with clients and contractors. The ideal candidate will have a degree in Civil Engineer ...

Chartered Fire Engineer — Lead Complex Projects

SRS Recruitment Solutions is looking for a Principal Fire Engineer to lead fire engineering projects in Essex. This role involves developing fire strategies, mentoring junior engineers, and ensuring compliance with UK fire safety legislation. The ideal candidate will have a degree in Fire Engineering a ...

Lead Python Architect & Principal Engineer (Hybrid)

Utilita Energy Ltd is seeking a Principal Software Engineer with a passion for Python and AWS to architect complex systems in an agile environment. You'll play a crucial role in making architectural decisions and leading technical strategy, while mentoring a team of engineers. Welcome to a dedicated te ...

Principal Civil Engineer – Nuclear Projects Lead

AECOM, located in the United Kingdom, is seeking a Principal Civil Engineer to lead Nuclear design projects. This role involves guiding design delivery, ensuring engineering excellence, and engaging with clients on a diverse portfolio of projects. The ideal candidate will possess a degree in Civil/Structural Eng ...

Senior Mechanical Engineer Water Infrastructure Lead

A leading engineering consultancy is seeking a Senior Mechanical Engineer to lead the design of critical mechanical systems for water companies in the UK and Ireland. The ideal candidate will have relevant experience in mechanical design, particularly in the water industry, and will be involved in all project ph ...

Contract Lead Vehicle & Powertrain Design Engineer

Energy Jobline CVL is looking for a Principal Design Engineer specializing in Vehicle and Powertrain Integration to lead design activities on a contract basis. This role is key to the Global Mechanical Design team, focusing on heavy-duty and off-highway vehicles used in defence and commercial applications. </ ...

Lead Systems Engineer – Aerospace & Defence Projects

Copello Global is seeking a Senior/Principal Systems Engineer in the United Kingdom. This role involves leading complex engineering projects while collaborating closely with customers and multidisciplinary teams. The ideal candidate must have a degree in Engineering, significant experience in a complex ...

Lead Railway Civil Engineer Principal/Associate

A leading UK consultancy is seeking a skilled Principal or Associate Engineer to manage railway projects across Scotland and the UK. This role requires strong leadership in handling client relationships, project delivery, and mentoring junior staff. The ideal candidate will have a background in managing railway ...

Lead Principal Mechanical Engineer Microwave Fusion

UK Atomic Energy Authority is looking for a Principal Mechanical Engineer to lead design in the Spherical Tokamak for Energy Production Programme. This role involves managing the mechanical design of cutting-edge fusion heating systems and guiding multidisciplinary teams in an exciting environment. A c ...

Senior Structural Engineer & Team Lead – Consultancy

GreenJobs Ltd is seeking a Senior Structural Engineer / Consultant in Birmingham to lead high-quality structural engineering projects. This role requires a degree in Civil or Structural Engineering and significant consultancy experience. You will manage design programmes, mentor junior engineers, and c ...

Lead Mechanical Engineer – UK Water & Wastewater

Egis Group is seeking a Senior Principal Mechanical Engineer for its expanding UK Water team, based in London, Bristol, or Manchester. This pivotal role involves leading mechanical engineering design for major water and wastewater projects, shaping sustainable infrastructure. The ideal candidate will h ...

Principal Geotechnical Engineer Seismic Modelling Lead

AtkinsRéalis is seeking experienced Principal, Associate, or Chief Geotechnical Engineers to lead complex projects in their Ground Engineering business. Candidates will drive geotechnical analysis and design while supporting the development of cutting-edge techniques. As part of a collaborative team, y ...

Aerospace Manufacturing Engineer: Lead Process Optimisation

Copello Global is looking for a Manufacturing Engineer for their Dorset-based aerospace facility. This role is essential for optimizing assembly and test processes while ensuring compliance with industry standards. The Manufacturing Engineer will support production teams and collaborate closely on deli ...

Infotainment Project Lead Engineer Automotive Innovation

Contechs Consulting Limited is seeking an Infotainment Project Lead Engineer for a leading British Automotive OEM in Norfolk. This role involves designing and developing infotainment solutions for new vehicle launches and requires collaboration with innovation teams. You will be responsible for the ent ...

Control Systems Engineer

Controls Systems Engineer – Runcorn / Cheshire – PLC Software / SCADA / Process Automation – £50-65kSamuel Frank is recruiting for an experienced Control Systems Engineer to join a growing Cheshire based system integrator. This Control Systems Engineer role will suit someone who enjoys writing PLC softwa ...

Principal Python Engineer: Architect Platform (Hybrid)

Procode is seeking a Principal Software Engineer – Python, to lead architectural decisions and develop systems crucial for business needs. This hybrid role is perfect for an engineer passionate about mentoring and evolving engineering practices. Candidates should be adept in Python and AWS, with familiarity i ...

Principal Solutions Architect

Role Overview Lead the architectural evolution of a complex airline and loyalty platform ecosystem undergoing major transformation. The role requires a hands‑on, delivery-focused architect who can balance long-term architectural vision with practical implementation in a fast-changing environment. ...

Senior Backend Engineer

RequirementsHey! We’re Plum, your smart saving and investing app on a mission to help grow money for life. Whether you’re stashing the cash for tea and toast in your first home or catching some rays during retirement, Plum’s got your back.Since 2016, over 2 million people in 10 ...

Data Engineer, Prime Video Finance Analytics

DescriptionCome 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 ...

QA Engineer

QA Engineer Department: Tech Hub Employment Type: Permanent Location: Birmingham, England, United Kingdom Reporting To: Software Engineering Manager Description Contract type: Permanent Hours: 37.5/w ...

Junior Software Developer Intern B2BG Services

Are you passionate about coding, problem-solving, and creating impactful applications? Join us as a Junior Software Developer Intern and gain hands-on experience in modern software development methodologies, frameworks, and tools. Internship Responsibilities & Learning: ✔️ Assist in co ...

Platform Engineer

Job DescriptionTitle: Platform EngineerLocation: London (Hybrid – 3 days per week onsite)Type: PermanentSalary & Benefits: Excellent salary package + comprehensive benefitsWe are seeking a talented Platform ...

Systems Developer

At Antares, our success starts with our people. We’re a collaborative and an inclusive organisation where every voice is valued, and every individual can grow and thrive. We combine deep expertise with a supportive culture to deliver outstanding results for our clients and a fulfilling expe ...

Graduate Technology Consultant

Grayce specialises in delivering technology-driven change and transformation for some of the UK’s most ambitious organisations. For over a decade, we have partnered with FTSE 100 and FTSE 250 companies to deploy high-performing early career talent across engineering, infrastructure, and digital transformat ...

Python Developer, Contract or Permanent, London

Python Developer, Contract or Permanent, London We are searching for a Python Developer to add to the European PM Analytics and Technology team. The team develops and enhances applications used globally by Account and Portfolio Management teams. You will assist in the design, construction and enh ...

Senior Civil Engineer in Salford, Greater Manchester

Senior Civil EngineerLocation: Salford, Greater ManchesterSalary: £48,000 - £58,000 Ready to take technical leadership across complex infrastructure schemes in Salford? This Senior Civil Engineer opportunity offers progression, project variety and influence within a growing North West con ...

Software Developer C#.Net Quant Trading

Software Developer / Engineer (C# .Net) Newcastle onsite to £120k+Join a highly regarded Financial Technology Consultancy developing sophisticated software used by Investment Banks, Hedge Funds and Asset Managers. This is an opportunity to work at the intersection of software engineering, quanti ...

Software Developer C#.Net Quant Trading

Software Developer / Engineer (C# .Net) Newcastle onsite to £120k+Join a highly regarded Financial Technology Consultancy developing sophisticated software used by Investment Banks, Hedge Funds and Asset Managers. This is an opportunity to work at the intersection of software engineering, quanti ...

Audio Visual Engineer

LS32269Audio Visual Engineer £33,000 - £36,000 Leeds (National Travel)Alecto Recruitment is working with our client who are a leading and innovative specialist in the AV and digital solutions industry, delivering cutting-edge installations for major automotive and retail brands across the UK. ...

Control Systems Engineers

Controls Systems Engineer – Sheffield / South Yorkshire – PLC Software / SCADA / Process Automation – £50-65kSamuel Frank is recruiting for an experienced Control Systems Engineer to join a growing South Yorkshire based system integrator. This Control Systems Engineer role will suit someone who enjoys wr ...

Senior Backend Engineer II — Europe Growth & Architecture

United States Digital Space LLC is seeking a Senior Backend Engineer II to work on innovative solutions that enhance their product offerings in Europe. This position involves designing tools in Java and Spring Boot, mentoring junior engineers, and influencing product development through technical expertise. < ...

FinTech DevOps Engineer Build Robust Pipelines (Newcastle)

Noir Consulting is seeking a talented DevOps Engineer to join a leading FinTech company in Newcastle. You will create and optimise the infrastructure for advanced trading platforms used by major financial institutions. In this role, you will improve deployment processes, ensuring systems are robust and ...

Hybrid Principal Engineer: Cloud Solutions & API Leadership

Sivara GmbH seeks a Principal Engineer to provide technical leadership in delivering complex solutions. This hybrid role balances home working with time in our Bradford and Leeds offices. Collaborate closely with engineering teams and stakeholders to influence design and delivery of scalable technology soluti ...

Data Engineer Lakehouse & AI Platform (London)

WeAreTechWomen is looking for a Data Engineer to join the Lakehouse and AI Data Platform team in Greater London. You will design and build robust data pipelines, ensuring data quality and performance across the firm's modern data platform. The ideal candidate holds a degree in a relevant field and has ...

Senior Backend Architect — AI Driven Systems & Scale

Andercore GmbH is seeking a Senior Backend Engineer in Greater London. You will take ownership of complex backend systems, leading technical discussions and mentoring junior engineers. The ideal candidate will have over 7 years of backend engineering experience, deep expertise in Java, and strong familiarity ...

Senior Firmware Engineer — IoT, Zephyr, BLE & LoRaWAN

Want to work to decarbonise one of the world’s most important industries? Are you a great team player? Can you ship high-quality products faster than others think is possible? We’re looking for a Senior Hardware Engineer who will do all these things and more. Come join us. Ok, but actually, who ev ...

Senior Firmware Engineer

Want to work to decarbonise one of the world’s most important industries? Are you a great team player? Can you ship high-quality products faster than others think is possible? We’re looking for a Senior Hardware Engineer who will do all these things and more. Come join us. Ok, but actually, who ev ...

Senior Lead Engineer Cloud, Security & Public Sector

Join ByDesign Secure Systems Ltd as a Senior Lead Engineer and help shape solutions for a landmark IT transformation. You will lead engineering activities, mentor teams, and ensure secure, efficient delivery of software solutions. This hybrid role in London combines hands-on engineering expertise with leaders ...

Senior Backend Lead — Workflow (Hybrid, 20 Flex Days)

Personio is seeking a Lead Software Engineer (Back-end) for their EO Workflows team in Greater London. You will design and improve scalable backend systems for complex employment workflows, work collaboratively with cross-functional teams, and lead product-focused engineering solutions. The position offers 28 da ...

Senior Project Engineer

Senior Project Engineer Job – Milton KeynesA leading advanced manufacturing and automation business is looking for a Senior Project Engineer in Milton Keynes to support the delivery of complex industrial systems and large scale engineering projects. This Senior Project Engineer role in Milton Keynes will ...

Vice President Of Software (AI)

Vice President of Engineering (AI) Lead an engineering organization of around 100 engineers through a layer of six Engineering Directors. Drive a bold AI-assisted engineering agenda across a heavily .NET (with broader polyglot) estate. Remote across the UK and Ireland. Bas ...

Engineering Manager

Overview Lead and manage engineering teams, providing technical guidance, mentorship, and support to ensure the delivery of high‑quality software solutions, drive technical excellence, foster a culture of innovation, and collaborate with cross‑functional teams to align technical decisions with bus ...

Multi Skilled Maintenance Engineer

An excellent opportunity for a Multi‑Skilled Maintenance Engineer Mechanical/Electrical to join a Global Engineering Automation business with fantastic benefits and career progression. The Multi‑Skilled Maintenance Engineer will also have the opportunity for continuous development and training whi ...

Senior Architect – AI Communications

Job Description As a senior architect you will play a key role in: · Owning design components for specific products · Develop and Maintain system architecture. · Ensure architectural decisions are implemented true to design. · Present to va ...

Principle Systems Engineer Embedded and Hardware

Principal Systems Engineer – Embedded & Hardware Bedford | Hybrid Working (3 Days Onsite) Pimlico Banks are seeking an experienced Principal Systems Engineer to act as the technical authority across a complex embedded hardware and software development programme. This is a senior tec ...

Computer Science Teacher

Job description About the RoleAs a Computer Science Teacher, you will deliver engaging and challenging lessons that develop student’s understanding of programming, algorithms, data, and computer systems. You will support learners in building practical coding skills and problem-solving abi ...

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