3089 IT & Software Developer jobs in the UK
Requirements
Must:
- Strong proficiency with performance testing tools (e.g., JMeter, Gatling)
- Solid working knowledge of Java (or Scala) for scripting and custom logic
- Deep understanding of HTTP, REST, JSON, and API performance testing principles
- Experience designing and executing performance, load, and stress tests for web and API-based systems
- Proven ability to analyze performance bottlenecks across application, database, and infrastructure layers
- Experience with CI/CD integration for automated performance testing (e.g., Jenkins, GitLab CI, TeamCity)
- Competence in analyzing system metrics (CPU, memory, I/O, network) from logs and monitors
- Experience with cloud infrastructure (AWS, Azure) and distributed load testing
- Experience with AWS Lambda Performance Testing
- Understanding of database performance and query optimization (e.g., PostgreSQL, MySQL, DynamoDB)
- 3+ years in performance testing/engineering roles
- Demonstrated ability to collaborate with development and DevOps teams to resolve performance issues
- Experience generating and communicating performance reports and KPIs to technical and non-technical audiences
- Prior involvement in capacity planning, tuning, and production performance investigations
- Familiarity with Agile delivery and testing practices
Responsibilities
- Work within a multi-skilled agile team to develop and execute Non-Functional tests
- Learn about new technologies and approaches while collaborating with colleagues
- Analyze performance bottlenecks across multiple layers including application, database, and infrastructure
- Design and execute performance, load, and stress tests for web and API-based systems
- Generate and communicate performance reports and KPIs to both technical and non-technical audiences
- Integrate performance testing into CI/CD pipelines for automated validation
- Mentor junior engineers in performance testing concepts and analysis techniques
Description
At Kainos, we are problem solvers, innovators, and collaborators united by our mission to create real impact. We foster a people-first culture where your ideas are valued, your growth is supported, and your contributions make a difference. You will be part of a diverse, ambitious team that celebrates creativity and collaboration. We are committed to diversity, equity, and inclusion, seeking talent from all backgrounds, and ensuring that everyone has an equal opportunity to thrive. Join us and be part of something bigger.
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You can find QA, Test Engineer salaries in the UK here.
How many QA, Test Engineer jobs are in the UK?
Currently, there are 3089 QA, Test openings. Check also: Selenium jobs, Cypress jobs, Cucumber jobs - all with salary brackets.
Is the UK a good place for QA, Test Engineers?
The UK is one of the best countries to work as a QA, Test Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for QA, Test Engineer jobs in the UK?
Bluefruit Software Limited, Mas & Pas Limited, Interface, Accenture, Future Talent Learning, Ctrl Alt, Sellafield Ltd among others, are currently hiring for QA, Test roles in the UK.
The company with most openings is Experis as they are hiring for 97 different QA, Test Engineer jobs in the UK. They are probably quite committed to find good QA, Test Engineers.
The company with most openings is Experis as they are hiring for 97 different QA, Test Engineer jobs in the UK. They are probably quite committed to find good QA, Test Engineers.