457,051+ Lead Test Automation Engineer Pythonjava Jobs in UK — Top Companies Hiring June 2026

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EMC Project Lead Engineer | Hybrid, 21% Bonus, Flexible Benefits

A leading defense organization in the UK is seeking a Team Leader to manage EMC projects. This role involves providing specialist advice across various programs and fostering team development and support. Candidates should be adaptable, passionate about people management, and able to coordinate project activitie ...

Lead Software Engineer, KDB+/Q — Real Time Market Data

A leading global financial services firm in London is seeking a Sr Lead Software Engineer to enhance and deliver market-leading technology products. This role involves working with KDB technology, building real-time processing solutions, and improving operational stability. Ideal candidates will have extensive e ...

Staff AI Engineer: Lead LLM Data Platform (Remote UK)

Bluefish is looking for a Staff AI Engineer to lead the architecture for data platforms and LLM products. In this role, you'll be responsible for implementing scalable systems that drive measurable outcomes for clients, including Fortune 500 companies. The ideal candidate has over 8 years of experience in produc ...

Lead ML Engineer: Live Sports Insights & Real Time AI

SKY is looking for a Principal Machine Learning Engineer to shape the technical strategy in transforming raw sports data into real-time insights for millions. Responsibilities include leading development of AI solutions, generating insights for player performance, and integrating these into personalization engin ...

Senior Security Engineer: Multi Cloud, CSPM & Zero Trust Lead

Kx is hiring a Senior Security Engineer to lead global security operations. This role covers advanced security investigations and compliance governance across AWS, Azure, and GCP. The ideal candidate will have multi-cloud security experience and a strong background in vulnerability management. Key resp ...

Lead Go Backend Engineer – Fintech Scale Up (Hybrid London)

A leading fintech startup in London is seeking an experienced Backend Engineer proficient in GoLang. In this hybrid position, you will develop and scale robust backend systems responsible for processing millions of transactions. Ideal candidates will have extensive backend engineering experience and a background ...

Lead Engineer (Nights/Days) with 5% Bonus & Career Progression

A leading engineering firm is looking for a Lead Engineer in Bellshill. In this permanent full-time role, you will oversee maintenance tasks, manage shifts, and ensure all engineering operations meet high standards. Ideal candidates will possess a time-served apprenticeship, multi-skilled maintenance experience, ...

Rail Traction Earthing & Bonding Engineer – Design & T&C Lead

A leading engineering firm in Birmingham is seeking an experienced Earthing & Bonding Engineer to work on Light Rail Transit projects. The role involves designing and coordinating earthing systems, ensuring compliance with safety standards while working closely with various engineering disciplines. Candidates mu ...

Mobile M&E Engineer (MoD) — Site Lead & Technical Specialist

VIVO Defence is looking for an experienced M&E Engineer to ensure the effective delivery of services across multiple sites in the UK. You will be responsible for compliance with JSP375 and provide technical support while collaborating with various stakeholders. Candidates should have relevant engineering qualifi ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Job DescriptionJoin us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering ...

Senior Full Stack Engineer (React/Node) — Lead & Grow SaaS

A leading fintech software start-up located in the City of London is seeking a full-stack software developer to optimize and build features across their award-winning web platform. The ideal candidate will bring 4-7 years of experience in web development, with a strong proficiency in technologies such as ReactJS ...

Senior Pega DevOps Engineer Hybrid, AWS & CI/CD Lead

DWP Digital is seeking a Senior Pega DevOps Engineer to lead the development of our technical landscape. This role allows you the freedom to define DevOps practices and take ownership of technical delivery. You'll design scalable, resilient AWS solutions supporting critical systems to combat fraud acro ...

Lead Backend Engineer | C# .NET, Azure SaaS | Hybrid/Remote

Client Server is seeking a Lead Backend Software Engineer in Reigate. This role involves hands-on leadership in developing a complex SaaS platform, focusing on C# and Azure technologies. You'll work with a small team, engaging in all phases of the software development lifecycle. The position offers a h ...

Senior Rail Services Engineer Hands on Lead Site/Workshop

GTS Group Ltd is seeking talented Services Engineers to join their team in the East Midlands. This role is essential for supporting engineering projects across the UK, requiring a mix of workshop and site work. Ideal candidates will have strong hands-on skills, practical problem-solving abilities, and experie ...

Lead Full Stack Engineer – React/.NET on AWS (Greenfield)

djr is seeking a hands-on Lead Full Stack Engineer (.NET / React / AWS) for a 6-month contract in Manchester. You will play a critical role in building a greenfield cloud-native platform from the ground up, focusing on high-quality user experiences and robust backend integration. The position requires ...

Lead DevOps Engineer: AI Cloud & Secure Infra (SC/DV)

Roc Search is seeking a Lead DevOps Engineer based in London, offering a hybrid work model with 3 days on-site. The role demands active UK SC or DV Clearance and focuses on designing cloud infrastructure for AI solutions. The ideal candidate will have extensive experience in cloud technology, leadershi ...

Industrial Door Engineer: Trainee to Lead, Hands On Training

BID Group Ltd is seeking a motivated Industrial Door Engineer in Bristol. This hands-on role offers full training for individuals eager to advance their skills. You’ll progress into a Lead Engineer position with your own vehicle once the required experience is achieved. The ideal candidate should have ...

Lead Security Engineer — Remote/Hybrid, Shape Zero Trust & AI

World of Books Group is seeking a Lead Security Engineer to enhance their cybersecurity posture through innovative controls and effective collaboration with teams across IT, Engineering, and Finance. This hands-on role offers the chance to shape security strategies while working in a certified B Corp e ...

Lead Data Platform Engineer (DV Clearable) Up to £140,000

Lead Data Platform Engineer (DV Clearable) - Up to £140,000 + BenefitsUK (Hybrid / Secure Site)Must be eligible for DV clearance (active SC required to start) The OpportunityWe are seeking a highly capable Lead Data Platform Engineer to support a major UK Government client, leading ...

Java Sr Lead eSoftware Engineer Equities Algo Trading VP

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deliver trus ...

Lead Full Stack Engineer (TS/JS Node) – Hybrid Hampshire

A fast-growing UK SaaS technology company is seeking an experienced Technical Lead Full Stack Developer to shape its next generation of customer-facing platforms. This hybrid role offers the chance to lead technical delivery, contribute to design and architecture, and ensure high-quality production-ready code. Y ...

Senior ML Systems Engineer — Lead ML Infra (Hybrid, Stock)

Flawless AI in Greater London is seeking experienced ML Systems Engineers to enhance the infrastructure for machine learning projects. Your role will involve designing systems for large-scale multimodal datasets and optimizing production workflows. The position allows for collaboration with data scient ...

Senior Front End Engineer: UI/UX, Design Systems Lead

IBM is seeking a Senior Front-End Developer to work in their Client Innovation Centers in Greater London. In this role, you will develop responsive and accessible applications, leveraging modern JavaScript frameworks such as React or Vue.js. The position offers a blend of technical challenges and colla ...

Senior Project Quality Engineer — Front‑End Automotive Quality Lead

A leading engineering firm is seeking a Senior Project Quality Engineer to provide quality leadership during the pre-nomination phase. The role involves establishing quality objectives, guiding quality acceptance criteria, and ensuring compliance with automotive standards. Ideal candidates will have a degree in ...

Senior C#/.NET Full Stack Engineer – Lead Greenfield Projects

Platform Recruitment seeks a Senior Software Engineer (C#/.NET) in Newcastle. This role is with a high-calibre consultancy known for engineering excellence. You'll take ownership of crucial projects and collaborate with skilled engineers on complex distributed systems. The ideal candidate has strong ex ...

Lead Maintenance Engineer in Crosby (North Lincolnshire, England), UK

Rainham Steel is looking for a Lead Maintenance Engineer to join the team! Location: Rainham Steel Co Ltd, Althorpe Wharf, North Lincolnshire, DN15 8XF Salary: Hourly rate from £17.50 - £20.00 p/h depending on experience Basic working hours 6am - 15.30pm, 42.5 hour Per week ...

Remote .NET Lead Engineer – Build Next Gen Web Platform

A leading global internet company in Hitchin is seeking a .NET Developer to work on groundbreaking projects using .NET and C#. The ideal candidate will demonstrate strong expertise in .NET and C# and have a passion for cloud services. The role offers flexibility in working hours and a supportive environment, com ...

Senior Full‑Stack Engineer: Lead & Scale a SaaS Platform

A leading investment technology firm in Greater London is looking for a talented full-stack software developer. This role involves optimizing and building features for their award-winning web platform. Candidates should have 4-7 years of experience in web development and proficiency in technologies such as React ...

Senior Lead Data Engineer — AI Driven Real Time Trading

J.P. MORGAN is seeking a Lead Software Engineer to join its dynamic global analytics team. This role involves designing high-performance solutions for real-time trading in a fast-paced financial environment. Candidates should have a strong background in Python, KDB, or C++, with a focus on leveraging AI for d ...

Lead Full Stack Engineer (£95,000 £110,000 + Equity) at Searchland

Job Title Lead Full-Stack Engineer Salary £95,000 – £110,000 + Equity Company Description Searchland.co.uk is the UK’s leading B2B prop-tech company, transforming how businesses access and leverage property data. Their construction-focused arm, Buildscout, uses ...

Azure DevOps Engineer Lead CI/CD & IaC in Azure

Scrumconnect Consulting is looking for an Azure DevOps Engineer to join their team in Staines-upon-Thames. This role will focus on automating and optimizing Azure environments while leading infrastructure projects to ensure best practices in security and CI/CD. The ideal candidate will have a strong ba ...

Senior IT Field Engineer & Team Lead Onsite & 2nd Line

A leading IT solutions organisation based in Watford is seeking an experienced Field Engineer to manage a team and support client sites across London and the Home Counties. Your responsibilities will include the installation, configuration, and maintenance of workstation hardware and software, along with providi ...

Lead C&I Engineer — Hybrid Role for Design & Commissioning

A leading engineering solutions provider in Reading is seeking a Lead C&I Engineer to oversee supplier activities across design, manufacturing, installation, and commissioning of packages. The ideal candidate will have strong organizational skills and a proactive approach, with experience in controls and instrum ...

Senior Principal Civil Engineer (Water) – Lead UK Water Projects

A leading consulting firm seeks a Senior Principal Civil Engineer (Water) in Glasgow. Join a supportive environment to develop water solutions and work on iconic projects. Ideal candidates should have a Civil Engineering degree, expertise in the water industry, and experience in project management. This role off ...

Lead Software Engineer Python / AI Athena Core Vice President

Join us to shape the future of developer experience on one of the firm's most strategic technology platforms. You'll have the opportunity to impact how software is built across a vast engineering organization, tackling meaningful technical challenges and driving innovation. We value product thinking, techn ...

Lead AI Engineer — On‑Site, Client‑Facing AI & Analytics

Harnham is seeking a talented professional to shape and deliver cutting-edge digital solutions that drive real operational impact in Manchester. You will work directly with clients, embedding AI and advanced analytics into live environments. The ideal candidate has strong commercial experience and deep expertise ...

Multi‑Skilled Engineer | Shift Lead for High‑Volume Plant

A pet food company in Worksop is seeking a Multi‑Skilled Engineer to maintain and troubleshoot site services across dual sites. This full-time role requires a strong engineering background with an emphasis on electrical diagnostics. The ideal candidate should possess excellent communication skills and leadership ...

Senior Lead Software Engineer Athena Rates Risk and PNL

We are seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer for the development team to work on Rates Risk and PNL business deliveries and optimization. In this role, you will design, develop, and integrate sophisticated solutions that support trading desks and back office functi ...

Lead Front End Engineer: AI‑Driven UI & Secure Solutions

JPMorgan Chase & Co. is seeking a Lead Software Engineer to drive technology innovation in the Commercial & Investment Bank - Technology team. This role involves enhancing technology products and leading an agile team to solve complex problems while fostering an inclusive culture. Key responsibilities ...

Lead Software Engineer Equity Derivatives Front Office Quant Developer

Job Description Join us and elevate your software engineering career. You'll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you'll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

Job Description As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you will lead the onboarding process for new clients and partners using the Financial Information Exchange (FIX) protocol. Your role involves working closely with clients, internal teams, ...

EC&I Engineer: Lead Reliability at an Energy Plant

MAC Recruit Group Ltd is seeking an experienced EC&I Engineer to join its engineering team at a power generation facility in the South West of England. This role focuses on maintaining and improving the reliability and safety of complex processes. Your responsibilities include managing maintenance acti ...

Structural Design Engineer — London, Fast Track to Project Lead

RGB Network, a structural consultancy based in South London, is seeking two Structural Engineers to join their design team. The role involves working closely under a chartered engineer to develop skills in client and architect liaison, focusing on new build and refurbishment projects. With a competitiv ...

Senior BESS Engineer Lead Utility Scale Energy Storage (Hybrid)

WSP, located in Glasgow, is seeking a Senior Engineer to lead technical delivery for Battery Energy Storage Systems. The role involves managing projects, providing technical specifications, and engaging with clients to ensure effective project execution. Ideal candidates will have a relevant degree, ex ...

Lead Power Systems Engineer – MV/HV for Data Centers

A leading engineering consultancy in Manchester seeks an experienced engineer to design MV and HV electrical systems for complex data centre projects. You will be involved in crucial inspections and technical discussions with clients, while mentoring colleagues and enhancing your career within a supportive envir ...

Lead Backend Engineer High Scale SaaS Data Engine (Hybrid)

An established and profitable company is seeking Senior and Lead Engineers to join their backend infrastructure team in London. This innovative firm is focused on building a high-performance data engine to enhance their enterprise product offering. With a commitment to resilience and observability, the role emph ...

Lead Fullstack Engineer (Java/JS) for Cloud Native APIs

A leading bank in the UK is looking for a talented Lead Fullstack Software Engineer to join their hybrid work environment. This role will require you to lead engineering teams to design, build, and deploy scalable applications. The ideal candidate will possess strong experience in Java, with familiarity in front ...

Lead Java Engineer Real Time Payments & Kafka on Azure

Cognizant is seeking a Lead Java Engineer in Greater London to support a major Payments modernisation programme. This role involves designing and building a new event-driven platform, working closely with stakeholders on real-time FX flows. The ideal candidate will have proven experience in microservic ...

Lead Lab IT Engineer for AI Compute & Lab Ops

Graphcore in Bristol is looking for a Lead Lab Support Engineer to provide comprehensive IT support to Engineering Labs. The role includes managing Linux and Windows systems, leading a team, and ensuring high-quality service delivery. Candidates should have robust troubleshooting skills, experience with server m ...

Lead Full Stack Engineer: AI Powered PHP/Laravel & React

hedgehog lab seeks a Lead or Senior Full Stack Developer to build innovative AI-powered products that transform procurement management. You will leverage your expertise in PHP, Laravel, and React.js to design scalable applications that handle complex data and work closely with product and design teams. <p ...

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    Lead Test Automation Engineer Pythonjava Jobs in United Kingdom Job Search Guide, Trends and Insights