25 of 25 Permanent Performance Testing Jobs in the South East

Senior Quality Engineer

Hiring Organisation
Pontoon
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £550.00 per day
integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform API testing and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify, log, track ...

Lead Performance Tester (SC Eligible/Cleared)

Hiring Organisation
scrumconnect ltd
Location
Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are looking for a Senior Performance Tester to deliver hands-on load and performance testing across large-scale digital services and Back End applications, with experience of working with … cloud-based distributed services. This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success. Key Responsibilities Design and execute load, stress, volume, soak, and scalability tests Analyse performance results, logs, and system metrics to identify ...

Senior QA / Automation Engineer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
Remote UK | Permanent Are you a QA/Automation Engineer who wants the opportunity to take real ownership rather than simply inherit an established testing process? We are working with a growing sports technology business that operates complex, real-time platforms handling large volumes of live data and significant … Engineer to help establish how QA works across the development team. The Role This is a hands-on position combining automation, API, functional and performance testing. You will have the autonomy to identify gaps, recommend tooling and build practical testing processes from the ground up. Rather than being ...

QA Engineer

Hiring Organisation
AWD online
Location
Newbury, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £45,000 per annum
Engineer An excellent opportunity for an experienced software testing professional to join a small, agile team working on cutting-edge cyber security products, helping to improve quality, reliability and user experience before customers encounter issues. If you’ve also worked in the following roles, we’d also like … choose to solve, and why? JOB OVERVIEW This is an exciting opportunity for an experienced QA Engineer to play a key role in testing SaaS products within a collaborative technical environment. As the QA Engineer, you will ensure products meet high customer standards through structured testing, effective defect ...

Software Engineering Manager

Location
High Wycombe, England, United Kingdom
delivers the best customer experience outcomes.Ensure releases are "ready to ship" with strong test discipline, clear defect management, and visible sign-off.Coach, develop and performance-manage engineers and QA colleagues to build a strong, motivated and accountable team.Delivery Support with Front-End and QA: supporting the delivery manager with … delivery governance to ensure progress without destabilising tradingSet and maintain FE standards and patterns: framework usage, TypeScript standards, state management, component structure/reuse, testing strategy and performance best practices.Make key migration decisions visible and understandable: document major trade-offs and decisions and ensure alignment across stakeholders.Ensure ...

Mechanical Design Engineer (Cooling Systems / Manufacturing)

Hiring Organisation
Ernest Gordon Recruitment
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
cooling and Rear Door Heat Exchanger Systems for data centre applications Produce technical drawings and models using CAD and Revit Carry out thermal modelling, performance analysis, and system optimisation Mentor junior engineers and provide technical leadership across engineering projects Monday to Friday, 9 - 5:30 The Person Degree … AutoCAD, Revit, Bills of Materials, BOM, Engineering Change Orders, ECO, Schematics, Hydraulic Diagrams, Design Validation, Factory Acceptance Test, FAT, Site Acceptance Test, SAT, Commissioning, Performance Testing, Validation Testing, Performance Optimisation, Building Management Systems, BMS, Data Centre Infrastructure Management, DCIM, Microsoft Office 365, Manufacturing ...

Quality Engineer - SC Eligible

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£310.00 per day
Clearance Key Responsibilities - Work closely with business analysts to understand and interpret client requirements.- Define, prepare and execute appropriate test scenarios. - Support and enhance testing across the Customs Declaration Service application. - Contribute to performance testing activity within a complex systems integration environment. - Use Cucumber and Java … part of the test engineering approach. - Manage and document testing activity using JIRA and Confluence. - Collaborate effectively with the wider delivery team across bespoke, COTS and AWS-hosted components. Essential Skills and Experience - Minimum five years of UK residency and eligible for SC Clearance - Performance testing experience. ...

Automation QA Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
Brighton, East Sussex, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
looking for an experienced automation focused QA Engineer to join a growing quality engineering team. This role will cover the full software testing lifecycle, with a particular focus on expanding test automation while maintaining strong manual testing practices. You will play an important role in improving quality processes … software development lifecycle. Contribute to the definition and implementation of QA coding standards, processes and best practices. Support the continued integration of automated testing into CI/CD pipelines. Identify opportunities to improve test coverage, efficiency and overall quality processes. Investigate, document and communicate defects effectively. Mentor and support ...

Senior Digital Engineer

Hiring Organisation
Hastings Direct
Location
Bexhill, East Sussex, United Kingdom
Salary
£ 70 K
systems in line with agreed standards and best practices.Estimating engineering tasks and offering guidance to peers to ensure efficient delivery.Quickly and effectively debugging and testing complex code to maintain performance and reliability.Mentoring junior team members, offering support, sharing knowledge, and helping them grow in their roles.Skills we would … APIs and token-based authentication (e.g., JWT).Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices, and performance testing frameworks like Jest and React Testing Library. Experience with performance and memory tuning using relevant tools.What we offerJoin ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
innovate and grow. As a Software Developer in Test , youll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Input in QA strategies, influencing testing best practices. Play a client-facing role, ensuring our solutions align with their business needs. What … Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing and automation frameworks Hands-on experience with ...

Data Engineer

Hiring Organisation
TXP Technology x People
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £501.00 per day
Talend Build and maintain Oracle SQL and DDL artefacts Contribute to CI/CD pipeline enhancements (GitLab) Investigate and resolve defects across development and testing phases Conduct component testing, including test data creation Support QA, performance testing, and production releases Perform peer reviews of development … hands-on experience with Talend (essential) Experience with Oracle databases (preferably RDS) Solid SQL and data modelling capability Experience working within structured SDLC and testing frameworks Familiarity with CI/CD tools (e.g. GitLab) Experience in enterprise or public sector environments desirable SC Eligible ...

Automation Test Engineer

Hiring Organisation
Technify Talent Limited
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
Join a team developing advanced technology that supports complex, real-world applications. We're looking for an Automation Test Engineer to help validate the performance, reliability, and quality of cutting-edge software and integrated hardware systems. Working as part of a collaborative engineering team, you'll execute structured test … activities, identify and report defects, and contribute to the continuous improvement of testing processes and automation. This is an excellent opportunity for someone with a passion for technology who is looking to develop their career in software and systems testing. Key Responsibilities Execute functional, integration, regression, and performance ...

VP/AVP - C++ Algo Trading Engineer/ Quant Developer

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £150,000 per annum
direct impact on the business. What you'll do: * Develop and optimise trading algorithms for Cash Equities execution * Build and enhance low-latency, high-performance trading systems * Work closely with developers, quants and business stakeholders * Analyse trading system issues and identify opportunities for algorithmic improvement * Contribute to core trading … framework development, testing, scalability and reliability What you'll bring: * Strong C++ engineering experience * Experience in electronic trading, algo execution, market data or order execution systems * Strong understanding of low-latency/high-throughput systems * TCP/IP, UDP or multicast networking experience * Smart Order Routing, Best Execution ...

SDET (Software Developer in Test)

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
SDET 6 Month contract £450 - £500 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Cypress and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration ...

Electronics Engineer, with Audio Design Experience

Hiring Organisation
Redline Group Ltd
Location
Newbury, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£45,000
applications. The Electronics Engineer, Newbury, Berkshire, will work across the full product development lifecycle, taking ownership of engineering tasks from concept through to prototype, testing and production. Responsibilities include: Design and develop electronics and supporting embedded firmware Create and update schematics, PCB layouts, BOMs and technical documentation Design … validate audio circuits including amplifiers, filters, codecs, ADC/DACs and audio interfaces Support prototype builds, board bring-up, testing and troubleshooting Conduct audio performance testing including SNR, THD+N, frequency response and noise Work with digital interfaces including SPI, I2C, UART, Ethernet, CAN/ ...

Test Automaton Engineer

Hiring Organisation
Leidos
Location
Aldershot, Hampshire, United Kingdom
Salary
£ 80 K
join its UK team in the Farnborough area. The role will support the delivery of secure, reliable technical solutions through a combination of manual testing, Python-based test automation, AWS and database expertise. The successful candidate will be a seasoned technical individual contributor who is fully proficient in applying … testing principles, theories and concepts, and who can work independently on technically difficult or unclear problems.Everything we do is built on a commitment to do the right thing for our customers, our people and our community. Our mission and our values guide the way we do business. The foundation ...

Senior Embedded Software Engineer

Hiring Organisation
Alten
Location
Crawley, West Sussex, United Kingdom
Salary
£ 70 K
software for real‐time communication and signal‐processing systems.Develop and support software for embedded communication modules, modems, and RF‐adjacent components.Conduct debugging, optimisation, and performance testing across embedded targets to ensure reliability under operational loads.Produce clear and traceable design specifications, requirements, and documentation aligned with regulated development practices.Ensure … C++11/14/17).Experience in embedded development for communications or signalling systems (modems, radios, data links, or similar).Familiarity with embedded debugging, performance optimisation, and hardware‐software interaction.Understanding of secure coding practices, configuration management, and development governance.Experience with requirements traceability, verification, and system‐level testing.Soft Skills & CollaborationStrong ...

Electronics Service Engineer

Hiring Organisation
Nep Group
Location
Crawley, West Sussex, United Kingdom
Salary
£ 60 K
Role OverviewThe Electronics Service Engineer is responsible for the inspection, diagnosis, repair, maintenance, and testing of Audio Visual and LED display equipment within Creative Technologys rental inventory.Working closely with Operations, Technical Managers, On-Site Engineers, and other Service Engineers, the role ensures all equipment is maintained to the highest … technical, safety, and performance standards. The objective is to guarantee reliable, project ready equipment that meets client expectations and supports operational excellence.Key ResponsibilitiesTechnical Repair & MaintenanceDiagnose, fault find and carry out electrical and mechanical repairs on LED displays and a wide range of professional AV equipment.Perform board level and component ...

Junior Hardware Engineer

Hiring Organisation
Moog UK
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
Moog is a performance culture that empowers people to achieve great things. Our people enjoy solving interesting technical challenges in a culture where everyone trusts each other to do the right thing. For you, working with us can mean deeper job satisfaction, better rewards, and a great quality … experienced engineers on cutting-edge RF, mmWave, and digital hardware from design through to deployment. What You'll Do Support the design, prototyping and testing of RF, mmWave and mixed-signal hardware. Perform lab validation using VNAs, spectrum analysers, oscilloscopes and other test equipment. Assist with antenna integration, performance ...

Lead Test Engineer

Hiring Organisation
Driver Hire Southampton & Winchester
Location
Romsey, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 35,000 - 40,000 Annual
genuinely invests in its employees and offers long-term career progression. The Role As a Lead Test Engineer, you will be responsible for independently testing and commissioning the company's range of industrial chillers, ensuring every unit meets the highest standards before leaving the workshop. This role is ideal … Responsibilities Test and commission the company's full range of chiller systems. Diagnose and resolve electrical and refrigeration faults. Carry out functional and performance testing to ensure products meet quality standards. Read and interpret electrical schematics and technical drawings. Maintain high standards of safety and quality. Work independently ...

Salesforce Developer

Hiring Organisation
The Hyde Group
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
environment that champions employee wellbeing, continuous learning, and long-term development. As a Salesforce Developer at Hyde, you will be responsible for developing, integrating, testing and maintaining new and existing features across Hyde's Salesforce and Contact Centre platform. You will work closely with business representatives, IT colleagues … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

Salesforce Developer

Hiring Organisation
360 Resourcing
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
support to the community. Due to exciting growth we are looking to recruit for a Salesforce Developer who will be responsible for developing, integrating, testing, and maintaining existing and new features in the company Salesforce and Contact Centre platform. The Salesforce Developer will work closely with business representatives … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

Salesforce Developer (Service Cloud)

Hiring Organisation
360 Resourcing
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
community. Due to exciting growth we are looking to recruit for a Salesforce Developer (Service Cloud) who will be responsible for developing, integrating, testing, and maintaining existing and new features in the company Salesforce and Contact Centre platform. The Salesforce Developer (Service Cloud) will work closely with business representatives … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

Principal Physicist in Radiation Protection

Location
Southampton, England, United Kingdom
Detailed job description and main responsibilities In this role, your key responsibilities will include: Organise and carry out audits of medical radiation use and performance testing of X-ray equipment with the Trust and for client organisations to an annual schedule or as required by the service. Carry … quality control testing of all types of medical radiological and ultrasound imaging equipment. This post does not support MRI or radionuclide imaging. Work with clinical colleagues to optimise complex radiographic imaging processes using knowledge of equipment performance and clinical imaging requirements Support other work of the Radiation Protection ...

Group Risk, Internal Audit and ITGCs trainee

Hiring Organisation
M Group
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
evidenced. Maintaining IT control schedules and supporting control owners with periodic control activities and evidence collection. Producing dashboards, management information and reporting on control performance, testing activities and remediation progress. Supporting the operation and continuous improvement of IT controls governance and reporting processes. Developing training materials, guidance documents … Performing data analysis to identify trends, exceptions and opportunities to improve the effectiveness of the IT control environment. Supporting IT control reviews and documenting testing results, observations and remediation actions. Supporting projects that help develop a scalable, auditable and well-governed IT control environment across the Group. Internal Audit ...