1 to 25 of 36 Permanent Test Engineer Jobs in London

Job Details Integration Test Engineer (Contract) Integration Test Engineer (Contract) Location: London Country: UK Rate: Negotiable Integration Test Engineer - Key Role Specification Execute system integration and acceptance test campaigns, identifying and tracking defects through resolution. Develop and enhance test procedures, automation tools, and flight test scripts; perform detailed data analysis. Produce … DNS, DHCP), and Scripting (Python/Bash/Perl) skills. Work collaboratively within a dynamic engineering team, demonstrating autonomy, precision, and adaptability. Posted Date: 08 Oct 2025 Reference: JSINTEGRATION TEST ENGINEER Employment Business: Flint UK Technology Services Contact: Supragya Singh hide More ❯

EXCITING OPPORTUNITY FOR A SENIOR/JUNIOR ELECTRONICS TEST ENGINEER JOB IN HAYES, GREATER LONDON Our client are experts in state of the art innovative radar technology across the air, land and sea! They are currently looking for an experienced Electronics Test Engineer to join their production team. You will have responsibility for all aspects of … test engineering including fault diagnostics, production support and improvement. Key Responsibilities for the Electronics Test Engineer Job in Hayes, Greater London Testing High Voltage Switch Mode Power Supplies and Travelling Wave Tubes having output voltages of up to 35kV. Ensure the product meets the test parameters for all test result specifications and create evaluation reports. … Find failures to component level, identify the root cause and record findings accurately. Assist R&D with testing prototypes Key Requirements for the Electronics Test Engineer Job in Hayes, Greater London Experience in working in an electronics or RF environment. Open to experienced Test Engineers or Graduates with a Degree in RF/Electronics/Physics. Security More ❯

System Test Engineer – Hybrid | West London We are currently partnered with an industry-leading technology business that is expanding its engineering capability in West London. They are looking for an experienced System Test Engineer to take a leading role in the Verification and Validation (V&V) of innovative satellite communications products used globally. This position offers … hybrid working and the chance to be part of an international engineering environment developing high-performance systems that meet complex technical and regulatory standards. The Role As the System Test Engineer , you will take ownership of the verification and validation lifecycle for new products, developing and executing test plans, refining strategies with the development team, and ensuring … each release meets the highest quality and compliance standards. You will work closely with multidisciplinary teams across engineering, QA, and production, as well as third-party test houses, to ensure seamless testing, integration, and delivery. Key Responsibilities Lead verification and validation activities for new hardware and software developments. Develop, execute, and document detailed test plans and procedures. Manage More ❯

Senior Test Engineer - Trading Technology Overview A leading financial services organisation is seeking a talented Senior Test Engineer to join their dynamic Trading Technology team. The firm operates globally, offering real-time trading and risk management platforms that underpin complex, high-performance trading activities across multiple markets. This is an exciting opportunity for a hands-on … Senior Test Engineer to ensure the quality, reliability, and performance of two core platforms: a trade execution system and a risk management platform. Role and Responsibilities: Design, develop, and maintain automated end-to-end tests using Cypress and Playwright. Create and maintain API test suites (REST & WebSocket) to ensure backend reliability and performance. Integrate automated tests into … CI/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments. Collaborate closely with development and product teams to define test strategies and coverage. Conduct manual and exploratory testing where automation is not yet implemented. Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality. Champion a culture of quality and testing More ❯

Senior Test Engineer - Trading Technology Overview A leading financial services organisation is seeking a talented Senior Test Engineer to join their dynamic Trading Technology team. The firm operates globally, offering real-time trading and risk management platforms that underpin complex, high-performance trading activities across multiple markets. This is an exciting opportunity for a hands-on … Senior Test Engineer to ensure the quality, reliability, and performance of two core platforms: a trade execution system and a risk management platform. Role and Responsibilities: Design, develop, and maintain automated end-to-end tests using Cypress and Playwright. Create and maintain API test suites (REST & WebSocket) to ensure backend reliability and performance. Integrate automated tests into … CI/CD pipelines (Azure DevOps) to deliver rapid, reliable feedback on deployments. Collaborate closely with development and product teams to define test strategies and coverage. Conduct manual and exploratory testing where automation is not yet implemented. Identify gaps in existing QA processes and introduce improvements to strengthen overall test quality. Champion a culture of quality and testing More ❯

North London Perm Software Test Engineer North London Up to £45,000 Monday to Friday - 37 hours per week - this role offers flexible working - You may work your 37 hours in 4.5 days with a half day off each week or you may work your 37 hours over a 9-day period, with one day off a fortnight … Our client who is a global defence company based in North London is seeking an experienced Software Test Engineer to join their team.This is a fantastic opportunity to work with a highly respected company in the defence industryThe Software Test Engineer is responsible for the build and test of software to support the company’s … products and services. Duties: Responsible for building and testing software to support the company’s products and services. Responsible for producing and maintaining software build and software test specifications. Technical liaison within and outside company with customers, and collaborators on software-related matters. Helping to improve the testability of software. Undertakes additional project tasks as required by management. Any More ❯

Software Test Engineer Location: Enfield, North London (Onsite) Salary: 45,000 Employment Type: Permanent Opportunity Overview A leading technology and engineering company specialising in defence systems is seeking a Software Test Engineer to join its growing software engineering team. This position plays a key role in building, testing, and maintaining high-quality software solutions that support … a solid technical foundation, a collaborative approach, and a keen eye for detail who is looking to develop their skills within a complex engineering environment. Key Responsibilities Build and test software to support core products and internal systems Produce and maintain software build and test specifications Work collaboratively across teams to improve the testability and quality of software … processes and practices Undertake additional project or testing tasks as required by management Essential Skills and Experience Technical background with a strong understanding of the software engineering lifecycle, particularly test and integration At least 1 year of practical experience testing software for PCs running Windows Experience writing test plans, specifications, and reports Knowledge of scripting or programming languages More ❯

Software Test Engineer Location: Enfield, North London (Onsite) Salary: £45,000 Employment Type: Permanent Opportunity Overview A leading technology and engineering company specialising in defence systems is seeking a Software Test Engineer to join its growing software engineering team. This position plays a key role in building, testing, and maintaining high-quality software solutions that support … a solid technical foundation, a collaborative approach, and a keen eye for detail who is looking to develop their skills within a complex engineering environment. Key Responsibilities Build and test software to support core products and internal systems Produce and maintain software build and test specifications Work collaboratively across teams to improve the testability and quality of software … processes and practices Undertake additional project or testing tasks as required by management Essential Skills and Experience Technical background with a strong understanding of the software engineering lifecycle, particularly test and integration At least 1 year of practical experience testing software for PCs running Windows Experience writing test plans, specifications, and reports Knowledge of scripting or programming languages More ❯

Performance Test Engineer - £565 per day Outside IR35 - Contract - London (Hybrid) La Fosse has partnered with an established and reputable business to recruit a Performance Test Engineer for an initial 4-month contract . This role requires an individual with exceptional hands-on performance testing experience , capable of designing, executing, and analysing performance tests across complex … Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect tracking. Interview Processes: 2 stage interview process. First stage over teams with Head of QA Technical in More ❯

Performance Test Engineer - £565 per day Outside IR35 - Contract - London (Hybrid) La Fosse has partnered with an established and reputable business to recruit a Performance Test Engineer for an initial 4-month contract . This role requires an individual with exceptional hands-on performance testing experience , capable of designing, executing, and analysing performance tests across complex … Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect tracking. Interview Processes: 2 stage interview process. First stage over teams with Head of QA Technical in More ❯

Performance Test Engineer - £565 per day Outside IR35 - Contract - London (Hybrid) La Fosse has partnered with an established and reputable business to recruit a Performance Test Engineer for an initial 4-month contract . This role requires an individual with exceptional hands-on performance testing experience , capable of designing, executing, and analysing performance tests across complex … Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect tracking. Interview Processes: 2 stage interview process. First stage over teams with Head of QA Technical in More ❯

Performance Test Engineer - £565 per day Outside IR35 - Contract - London (Hybrid) La Fosse has partnered with an established and reputable business to recruit a Performance Test Engineer for an initial 4-month contract . This role requires an individual with exceptional hands-on performance testing experience , capable of designing, executing, and analysing performance tests across complex … Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect tracking. Interview Processes: 2 stage interview process. First stage over teams with Head of QA Technical in More ❯

Embedded Software Test Engineer – Trusted Autonomy Systems Central London £50,000–£60,000 + Bonus + Benefits Most engineers want to work on meaningful problems. This role puts you right at the heart of one: helping make AI and autonomous systems safe, trustworthy, and ready for the real world. The Opportunity I’m hiring for a fast-moving … stage, it’s fast-moving, and it’s solving a critical challenge in the world of autonomy and edge AI.Right now, they’re looking for a QA/Embedded Test Engineer to own and evolve their test infrastructure - someone with a good understanding of embedded software verification , ideally in a safety-critical environment , and a passion for … building robust, reliable systems. What You’ll Be Doing Design and implement test strategies and automation for embedded software Work across Software-in-the-Loop and Hardware-in-the-Loop environments Build pipelines for CI/CD and automated deployment Drive coverage and assurance for safety-critical systems aligned to standards like DO-178C, ISO 26262, or IEC More ❯

RF Systems and Product Test Engineer - Automotive Sector Remote-based (with regular visits to West Drayton, Middlesex) Our client is the UKs leading provider of Stolen Vehicle Recovery (SVR) services, with additional strength in fleet and insurance telematics. They stand apart from competitors thanks to two truly unique capabilities: proprietary VHF technology and a formal partnership with UK … help dismantle organised criminal networks. In 2025 alone they helped shut down over 60 illegal "chop shops." The Role: We are looking for an experienced RF Systems and Product Test Engineer, ideally from an automotive background, to take ownership of testing, analysing, and optimising RF-based systems and products. You will develop and execute test plans to … ensure quality, performance, and compliance, working closely with internal engineering teams, third-party developers, and specialist test houses. This is a remote-based role with regular travel to our warehouse in West Drayton (Middlesex) to carry out hands-on testing. What youll do: Build and test prototype equipment, measure performance, troubleshoot, and optimise RF systems and products. Ensure More ❯

RF Systems and Product Test Engineer - Automotive Sector Remote-based (with regular visits to West Drayton, Middlesex) Our client is the UK’s leading provider of Stolen Vehicle Recovery (SVR) services, with additional strength in fleet and insurance telematics. They stand apart from competitors thanks to two truly unique capabilities: proprietary VHF technology and a formal partnership with … help dismantle organised criminal networks. In 2025 alone they helped shut down over 60 illegal "chop shops." The Role: We are looking for an experienced RF Systems and Product Test Engineer, ideally from an automotive background, to take ownership of testing, analysing, and optimising RF-based systems and products. You will develop and execute test plans to … ensure quality, performance, and compliance, working closely with internal engineering teams, third-party developers, and specialist test houses. This is a remote-based role with regular travel to our warehouse in West Drayton (Middlesex) to carry out hands-on testing. What you’ll do: Build and test prototype equipment, measure performance, troubleshoot, and optimise RF systems and products. More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience of either JMeter or Gatling. You will be working across a … their career in a consulting environment, where they can contribute to multiple projects, using a range of tools and technologies. You will be responsible for supporting the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience of either JMeter or Gatling. You will be working across a … their career in a consulting environment, where they can contribute to multiple projects, using a range of tools and technologies. You will be responsible for supporting the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience of either JMeter or Gatling. You will be working across a … their career in a consulting environment, where they can contribute to multiple projects, using a range of tools and technologies. You will be responsible for supporting the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience of either JMeter or Gatling. You will be working across a … their career in a consulting environment, where they can contribute to multiple projects, using a range of tools and technologies. You will be responsible for supporting the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. More ❯

Job Title: Performance Test Engineer (3-6 month FTC) Sector: Test consultancy specialising in financial services Essential Skills: Performance testing using JMeter Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £50,000/annum + benefits Start Date: We require someone to start ASAP Saffron QA … expanding software testing consultancy. The organisation has a reputation for providing high calibre software testing services within the financial services sector. We are in the market for a Performance Test Engineer with previous experience of designing and developing performance testing solutions and have sound knowledge/experience of either JMeter or Gatling. You will be working across a … their career in a consulting environment, where they can contribute to multiple projects, using a range of tools and technologies. You will be responsible for supporting the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients. We are looking for a candidate with the following experience; Experience of Performance testing using JMeter. More ❯

Position: Test Engineer - Avaloq Employment Type: Contract Start: ASAP (November/December 2025) Duration: 6 Months Location: London, UK Language(s): English Focus on SAP is a specialist SAP and ERP Recruitment organisation offering both permanent and contract staffing solutions on a global scale. Client – Partnered with a global leader in digital transformation and IT services, working with … impact for the people and communities they serve. For you, this means working on challenging projects that demand innovation, collaboration, and thought leadership . Role – We are seeking experienced Test Engineers/Quality Assurance Engineers with hands-on expertise in Avaloq or similar core banking platforms. You will be responsible for defining, executing, and improving QA and QE strategies … This is a great opportunity to drive quality excellence across business-critical Avaloq systems and collaborating with multidisciplinary development, business, and operations teams. Key Responsibilities: Develop and execute comprehensive test plans, cases, and scripts to validate Avaloq application functionality. Identify, log, and track defects , collaborating with development teams for timely resolution. Conduct manual and automated testing of new features More ❯

Position: Test Engineer - Avaloq Employment Type: Contract Start: ASAP (November/December 2025) Duration: 6 Months Location: London, UK Language(s): English Focus on SAP is a specialist SAP and ERP Recruitment organisation offering both permanent and contract staffing solutions on a global scale. Client – Partnered with a global leader in digital transformation and IT services, working with … impact for the people and communities they serve. For you, this means working on challenging projects that demand innovation, collaboration, and thought leadership . Role – We are seeking experienced Test Engineers/Quality Assurance Engineers with hands-on expertise in Avaloq or similar core banking platforms. You will be responsible for defining, executing, and improving QA and QE strategies … This is a great opportunity to drive quality excellence across business-critical Avaloq systems and collaborating with multidisciplinary development, business, and operations teams. Key Responsibilities: Develop and execute comprehensive test plans, cases, and scripts to validate Avaloq application functionality. Identify, log, and track defects , collaborating with development teams for timely resolution. Conduct manual and automated testing of new features More ❯

A leading developer of novel optical networking solutions is now looking for a Test Development Engineer to join their London team. Working closely with product development and hardware test engineers, you will develop intelligent test frameworks and optimisation algorithms for optical network system. This cross-disciplinary role blends software engineering, algorithm development, and hardware test integration to reduce test time, improve throughput, and enhance performance analysis. With sound expertise in software and algorithms development, you will design the algorithms to optimise the test parameters. Writing scripts to collect the data and use the data to optimise the product. Developing optimisation algorithms, you will reduce the time required for product testing. Experience: We … are looking for a strong proficiency in software development for test automation (Python, C++, or C#), coupled with strong skills in algorithms development. Experience with metaheuristic optimisation (e.g., GA, simulated annealing, particle swarm). You should have a collaborative mindset to work closely with hardware engineers and manufacturing teams. A familiarity with production test time optimisation in semiconductor More ❯

Test Automation Engineer – Fully Remote Our client is a fast-growing technology consultancy delivering bespoke software solutions and technical expertise across both public and private sectors. Their focus is on close client collaboration, embedding teams within projects to provide tailored high-quality results. About the Role They are seeking an experienced Automation Engineer/SDET to join … a collaborative technical team working across a range of client projects. The ideal candidate will have strong experience building test automation frameworks from scratch, excellent analytical and problem-solving abilities and a solid understanding of modern software delivery practices. Key Responsibilities Design, develop, and maintain automated test frameworks and scripts using modern automation tools Verify usability, functionality, performance … processes Contribute to the definition of automation and testing best practices across teams Collaborate closely with developers, QA specialists, and delivery teams to ensure effective automation coverage Support performance test investigations and coordinate resolution efforts across teams Key Skills & Experience Strong communication and collaboration skills within Agile environments Solid understanding of QA processes and the software development lifecycle Proven More ❯

RF Systems and Product Test Engineer - Automotive Sector Remote-based (with regular visits to West Drayton, Middlesex) Our client is the UKs leading provider of Stolen Vehicle Recovery (SVR) services, with additional strength in fleet and insurance telematics. They stand apart from competitors thanks to two truly unique capabilities: proprietary VHF technology and a formal partnership with UK More ❯