703 Performance Tester jobs in the United Kingdom

Senior Performance Tester - Non-functional - 3 month contract - paying £550 Inside IR35 - Hybrid (2 days a week)

We’re looking for an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform that powers millions of users across video-on-demand and live services.

What you’ll do:

• Develop and maintain a Gatling-based performance testing framework integrated into CI/CD pipelines.
• Define non-functional requirements and performance acceptance criteria.
• Analyze performance test results and production metrics to identify trends, risks, and improvements.
• Work with modern technologies including Docker, Kubernetes, Kafka, and NoSQL databases.
• Mentor junior testers and drive continuous improvement in performance testing practices.

What we’re looking for:

• 5+ years’ experience in non-functional/performance testing for large-scale applications.
• Hands-on experience with Gatling and open-source performance tools.
• Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven).
• Skilled in monitoring/logging with Prometheus and Grafana.
• Proficiency in scripting languages (Scala, Python, Shell).

This role offers the chance to make an impact on a global platform, work with cutting-edge tech, and collaborate with a talented cross-functional team.

Ready to join a team that's leading the way in reshaping the future of insurance? Here at esure Group, we are on a mission to revolutionise insurance for good!

We’ve been providing Home and Motor Insurance since 2000, with over 2 million customers trusting us to keep them covered through our esure and Sheilas’ Wheels brands. With a bold dedication for digital innovation, we're transforming the way the industry operates and putting customers at the heart of everything we do.

Having completed our recent multi-year digital transformation, we’re now leveraging advanced technology and data-driven insights alongside exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future.

We are currently seeking a Performance Tester to join our innovative technology department.

The Performance Tester will work collaboratively with wider teams to help, such as QA Engineers, DevOps, Platform Engineers and Software Engineers to develop and build esure’s future performance testing capability.

We are looking for a pure performance specialist, ideally with Gatling, or similar, experience and good knowledge of Java. This role isn’t just about writing scripts — it’s about diving deep into performance analysis, mastering debugging, and pinpointing exactly where the bottlenecks are holding things back

What you’ll do:

• Member of multi-discipline team shaping esure’s future performance testing capability
• Proactively improves application performance, reliability, processes and continuous improvement culture
• Defines, tests and reports NFRs across customer journeys and services
• Delivers automated performance, load, stress and endurance testing to meet requirements
• Uses leading tools like Gatling, JMeter and k6 for testing
• Builds and maintains frameworks integrating with CI/CD pipelines and DevOps workflows
• Creates and delivers end-to-end performance test strategies and plans
• Drives testing improvements, automation, and active engagement in testing communities

What we’d love you to bring:

• A background in software testing and performance testing
• Experience with object orientated programming, preferably Java, Selenium and TestNg/Junit. Experience with API testing is also essential.
• Must have experience in automation testing where you have actively created and maintained frameworks.
• Skilled in comprehending intricate systems that include API, serverless options, legacy Java platforms, and databases.
• Proficient in deciphering intricate systems that involve a blend of API, serverless solutions, outdated java infrastructures, and databases
• Previous background working within high traffic, highly transactional online environments
• Experience of working in an agile, SCRUM & Dev Ops delivery model

The Interview Process  (subject to change):

• You’ll start with an introductory call with one of our Talent Partners. This is a ‘get to know you session’ and for you to explore the position in more detail.
• 1st stage interview: 30 minute interview with one of our QA Leads
• 2nd stage: 1 hour technical interview to showcase your automation and software engineering skills and experience with one of our QA Leads and Senior QA Engineers.

What’s in it for you?:

• Competitive salary that reflects your skills, experience and potential.
• Discretionary bonus scheme that recognises your hard work and contributions to esure’s success.
• 25 days annual leave, plus 8 flexible days and the ability to buy and sell further holiday.
• Our flexible benefits platform is loaded with perks to choose from, so you can build a personal toolkit to support your health, wellbeing, lifestyle, and finances.
• Company funded private medical insurance for qualifying colleagues.
• Fantastic discounts on our insurance products! 50% off for yourself and spouse/partner and 10% off for direct family members.
• We’ll elevate your career with hands-on training, mentoring, access to our exclusive academies, regular career conversations, and expert partner resources.
• Driving good in the world couldn’t be more important to us. Our colleagues can use 2 volunteering days per year to support their local communities.
• Join our internal networks and communities to connect, learn, and share ideas with likeminded colleagues.
• We’re a proud supporter of the ABI’s ‘Make Flexible Work’ campaign and welcome you to ask about the flexibility you need. Our hybrid working approach also puts you in the driving seat of how and where you do your best work.
• And much more; See a full overview of our benefits here Reward and benefits | Esure Group PLC

We are committed to creating an inclusive and diverse workplace where everyone feels valued, respected, and empowered. We celebrate individuality and create spaces where unique backgrounds and experiences can come together. We believe that diverse perspectives drive innovation, in turn enabling us to better serve our customers, community and build a stronger organisation. Our commitment to inclusion extends to every part of our business, from hiring practices to professional growth opportunities, ensuring equal access and support for all.

Senior Performance Tester - Non-functional - 3 month contract - paying £550 Inside IR35 - Hybrid (2 days a week)

We're looking for an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform that powers millions of users across video-on-demand and live services.

What you'll do:

• Develop and maintain a Gatling-based performance testing framework integrated into CI/CD pipelines.
• Define non-functional requirements and performance acceptance criteria.
• Analyze performance test results and production metrics to identify trends, risks, and improvements.
• Work with modern technologies including Docker, Kubernetes, Kafka, and NoSQL databases.
• Mentor junior testers and drive continuous improvement in performance testing practices.

What we're looking for:

• 5+ years' experience in non-functional/performance testing for large-scale applications.
• Hands-on experience with Gatling and open-source performance tools.
• Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven).
• Skilled in monitoring/logging with Prometheus and Grafana.
• Proficiency in scripting languages (Scala, Python, Shell).

This role offers the chance to make an impact on a global platform, work with cutting-edge tech, and collaborate with a talented cross-functional team.

Food Microbiologist/ Quality Assurance

Join our expert team at Campden BRI, delivering high-impact consultancy services to clients across the food industry. This role blends technical excellence with client-facing delivery, offering a dynamic mix of research, training, and strategic support.

We're looking for a Food Microbiologist with hands-on experience in food manufacturing, ideally within a Quality Assurance or Hygiene function. This is a dynamic opportunity for someone passionate about food safety and eager to expand their expertise across multiple disciplines.

In this role, you'll embark on a structured learning and development pathway designed to evolve your capabilities into a Safety, Quality, and Hygiene Specialist. You'll play a vital role in supporting our team to deliver and enhance factory hygiene services through both consultancy, technical support and the delivery of training and workshops.

Position

• Conducting assessments and providing guidance on Cleaning Systems
• Evaluating and improving personnel hygiene practices
• Advising on hygienic design of equipment and facilities
• Reviewing and optimizing building and air handling systems for contamination control
• Designing environmental sampling programs
• Validating cleaning and disinfection protocols to ensure regulatory compliance and conformity to commercial standards
• Delivering training sessions to upskill factory teams on hygiene best practices
• Troubleshooting hygiene-related issues and offering actionable solutions

Requirements

• A collaborative environment where your scientific insight drives real-world impact
• Access to cutting-edge knowledge across a number of disciplines
• Opportunities to work across diverse product categories and manufacturing setups
• Mentorship from industry-leading experts in food safety and hygiene
• Career progression into consultancy, auditing, or technical leadership roles

Benefits

• Hybrid working
• Reward platform with employee discounts and rewards
• 25 days holiday + 8 bank holidays
• Buy and sell holiday scheme
• A generous work save pension scheme, with employee contributions matched by the company up to 10%
• Culture focus around work/life balance (early finish Fridays)
• Subsidised onsite restaurant
• £30,000-£45,000 pa dependent on experience

Click 'apply now' or send your CV to

Food Microbiologist/ Quality Assurance

Join our expert team at Campden BRI, delivering high-impact consultancy services to clients across the food industry. This role blends technical excellence with client-facing delivery, offering a dynamic mix of research, training, and strategic support.

We're looking for a Food Microbiologist with hands-on experience in food manufacturing, ideally within a Quality Assurance or Hygiene function. This is a dynamic opportunity for someone passionate about food safety and eager to expand their expertise across multiple disciplines.

In this role, you'll embark on a structured learning and development pathway designed to evolve your capabilities into a Safety, Quality, and Hygiene Specialist. You'll play a vital role in supporting our team to deliver and enhance factory hygiene services through both consultancy, technical support and the delivery of training and workshops.

Position

• Conducting assessments and providing guidance on Cleaning Systems
• Evaluating and improving personnel hygiene practices
• Advising on hygienic design of equipment and facilities
• Reviewing and optimizing building and air handling systems for contamination control
• Designing environmental sampling programs
• Validating cleaning and disinfection protocols to ensure regulatory compliance and conformity to commercial standards
• Delivering training sessions to upskill factory teams on hygiene best practices
• Troubleshooting hygiene-related issues and offering actionable solutions

Requirements

• A collaborative environment where your scientific insight drives real-world impact
• Access to cutting-edge knowledge across a number of disciplines
• Opportunities to work across diverse product categories and manufacturing setups
• Mentorship from industry-leading experts in food safety and hygiene
• Career progression into consultancy, auditing, or technical leadership roles

Benefits

• Hybrid working
• Reward platform with employee discounts and rewards
• 25 days holiday + 8 bank holidays
• Buy and sell holiday scheme
• A generous work save pension scheme, with employee contributions matched by the company up to 10%
• Culture focus around work/life balance (early finish Fridays)
• Subsidised onsite restaurant
• £30,000-£45,000 pa dependent on experience

Click 'apply now' or send your CV to

Contract type: Permanent

Start date: Immediate start - pending successful CTC clearance

Salary: £23.38 plus £ph Supervisory uplift plus .50 site bonus (this will go up to .37 during outages)

We are the leading provider of infrastructure services.

At Altrad, we transform our nation’s critical infrastructure to operate safely and sustainably.

With over 11,000 talented people, we provide the full spectrum of critical engineering and construction services for industries both onshore and offshore.

Join a Leading Organisation in the Nuclear Industry.

Role details:

We currently have an opportunity for multiple QA Engineers to join our team at Sizewell B Nuclear Power station. Successful candidates will be required to undergo CTC clearance.

Key Responsibilites:

• Ensure that all activities are controlled in a responsible, safety conscious climate, meeting Altrad’s requirements and current legislation. Application of all relevant Engineering Standards & Specifications to achieve a world class HSEQ performance, meeting all technical and environmental legislative requirements.
• Ensure safety of people and the environment.
• Have knowledge and familiarisation of associated mechanical, civils and quality procedures.
• Scope, Time and Cost to be fully understood, communicated, monitored and controlled & when required proactive mitigation is evident.
• Ensure high standards of workmanship within the facilities.
• Always use best practices & continually look for innovations that support continuous quality improvement.
• Continuous Improvement tools and techniques are deployed to improve efficiency and effectiveness for both Altrad and the Client.
• Suitable and sufficient risk assessments are followed and signed onto.
• Record and report delays to Project Team.
• Accurate recording of all required HSEQ documentation.
• Undertake responsibility for the development and implementation of the Altrad Integrated Management System (AIMS) within the working location.
• Ensure project work is carried out in accordance with the relevant Client Specifications & British standards.
• Development, approval, and monitoring of project quality Inspection Test Plans (ITPS) and Subcontractor Quality Plans (QPs).
• Support Project Managers/Engineers with project setup documentation i.e. Quality Plans/ITPs and ensuring QP/ITP sign offs are completed concurrent to the works completed.
• Managing the LTR strategy requirements, inclusive co-ordination, compiling, checking, approval and storage of • Projects/Delivery Partners/Sub-Contractor LTRs for submission on time.
• Ensure inspection certificates are completed in line with the QP/ITP schedule and are issued for inclusion in the LTR concurrent to the works completed.
• Undertake periodic Quality Management System audits both internal and external to ensure that the system and procedures are adhered to.
• Monitor Vendor Performance and carry out Supplier/Subcontractor assessments and audits as appropriate.
• Support and lead continuous improvement activities.
• Undertake special projects as assigned

Key Requirements:

• May possess several types of qualifications ranging from the Diploma, Associate and Degree level that may include:
• CQI Certificate or Bachelor’s Degree in Quality/HNC Engineering desirable.
• NVQ Qualification in Nuclear/Engineering related area.
• Demonstrable experience in a Quality Engineering (QA/QC) related position.
• Ideally a CSWIP 3.1 qualification, ISO:9001 internal auditor preferred.
• Valid Site Safety Passport

Why Join Us?

• Work on high-impact projects within a leading organisation
• Competitive salary and benefits package.
• Opportunities for career growth and professional development.
• Collaborative and dynamic work environment with a focus on innovation and excellence.

Quite simply, a journey with Altrad begins with a desire to create a better tomorrow…

Opus People Solutions on behalf of our client in the East Midlands have an exciting opportunity for an Auditor to join their team.

Rate of Pay: £40-45 per hour

Working Arrangements: Hybrid, 2 days a week in the office

Length of Assignment: Minimum 6 months.

Provide a range of services for children. These include early help, safeguarding and support for children in need and children looked after. We need a consistent, rigorous understanding of the quality and effectiveness of the help we provide these vulnerable children.

Auditors will play a key role in evaluating practice, analysing audit findings, identifying areas for improvement, recommending improvement options and reporting to senior leaders. They will also undertake coaching, make presentations and contribute to training events.

Responsibilities:

• Undertake in-depth case audits, working alongside social workers and team managers to evaluate the quality and impact of practice in improving children’s lives.
• Obtain and evaluate the views of children, families and professional partners about the quality and impact of practice.
• Undertake extensive thematic case sampling to understand and report on the quality specified elements of practice.
• Go beyond auditing by using the audit process to coach social workers and managers in good practice, helping them build on existing strengths and eliminate weaknesses.
• Train and coach managers in effective auditing.
• Undertake audits of supervision at child level and practitioner level.
• Moderate case audit and case sampling completed by others so we can be confident that evaluations and judgements are are evidence-based with a consistent understanding of what good looks like.
• Analyse and collate audit findings across CFN so they can be reported routinely to senior leaders to inform the full range of practice improvement and workforce development activities.
• Present audit findings and lessons from audit to groups of practitioners, managers and senior leaders as required.

Experience:

• Qualified Social Worker
• Social Work England Registered
• Team Manager Experience
• 3 Years post qualifying experience

If you thrive to make a difference and have 3 years experience and this is the role for you, then we would love to hear from you.

QA Pack Development & Review

o Prepare, assemble, and maintain QA documentation for all electrical works, including as installed packs (AIPs), inspection and test plans (ITPs), and compliance records.

o Review and validate NIC submissions from ensuring compliance with BS EN standards.

o Ensure all QA documentation aligns with client requirements, internal procedures, TfL standards, and regulatory standards.

Site QA Management

o Manage a team of site QA engineers, allocating tasks and responsibilities.

o Coordinate inspections, audits, and commissioning tests, resolution of non-conformances, and hit deadlines.

Compliance & Standards

o Ensure all electrical installations comply with TfL standards, BS/EN standards, and project specifications.

Candidate Requirements

• Experience as a Quality Assurance Manager or Senior QA Engineer within electrical contracting on large-scale infrastructure or rail projects.

• Familiarity with TfL (LU) standards and procedures.

• Experience managing site QA teams and coordinating multiple site locations.

• Knowledge of BS EN standards, and electrical installation practices.

• Organisational, communication, and leadership skills.

• Ability to produce high-quality "redlined" drawings such as schematics, schedules, elevation drawings, etc. with PDF editors or CAD from the information received from the site survey