Job Information

Date Opened

24/02/2025

Job Type

Permanent

Industry

Technology

Salary

45k-55k per annum

City

London

Province

Greater London

Country

United Kingdom

Postal Code

EC1A

Performance Testing Engineer

Location: Remote with occasional travel as required

Employment Type: Permanent

Experience Level: SFIA Level 4

About the Role

Scrumconnect Consulting is looking for a Performance Testing Engineer to design, implement, and execute performance tests for GOV.UK digital services. This role requires a deep understanding of performance testing methodologies, automation tools, and cloud-based environments. You will work closely with developers, product managers, and business analysts to ensure system stability, scalability, and compliance with GOV.UK service standards and DDAT framework.

As a Performance Testing Engineer , you will lead performance benchmarking, conduct in-depth analysis, and optimize system performance to enhance the user experience of public-facing government services.

Key Responsibilities

1. Test Planning & Strategy

✔ Develop, implement, and execute comprehensive performance test plans tailored for GOV.UK digital services.

✔ Identify key performance objectives , ensuring comprehensive test coverage across different environments.

✔ Define non-functional requirements (NFRs) , focusing on response times, throughput, resource utilization, and system resilience.

2. Performance & Non-Functional Testing

✔ Design, build, and execute load, soak, stress, and spike tests using tools such as Apache JMeter, K6, Gatling, or similar.

✔ Conduct regression, integration, and user acceptance testing to validate functionality and stability.

✔ Profile system performance, identify bottlenecks, and optimize application and infrastructure scaling.

✔ Simulate real-world usage patterns to evaluate the performance of microservices and distributed cloud-based applications.

3. Defect Management & Root Cause Analysis

✔ Identify, document, and track performance issues, bottlenecks, and scalability concerns.

✔ Work with developers to analyze logs, optimize database queries, and fine-tune system performance.

✔ Provide recommendations on infrastructure scaling, caching strategies, and code optimization.

4. Collaboration & Communication

✔ Engage with developers, DevOps engineers, product managers, and business analysts to align performance objectives with functional requirements.

✔ Provide technical insights and recommendations to improve system reliability and efficiency.

✔ Ensure compliance with GOV.UK testing and security standards and DDAT guidelines.

5. Test Reporting & Documentation

✔ Produce detailed performance test reports , including key findings, risks, and optimization recommendations.

✔ Document test strategies, methodologies, and results , ensuring traceability and reproducibility of tests.

✔ Advocate for best practices in performance testing and automation across engineering teams.

Required Skills & Experience

✔ Proven experience in performance testing for large-scale web applications and microservices-based architectures.

✔ Strong hands-on expertise in performance testing tools such as Apache JMeter, K6, Gatling, Locust, or similar.

✔ Experience in automating performance tests within CI/CD pipelines using tools like Azure DevOps, Jenkins, GitHub Actions.

✔ Strong knowledge of API performance testing , using tools such as Postman or industry-recognized API testing frameworks.

✔ Deep understanding of cloud environments (Azure, AWS, Google Cloud) and distributed architectures.

✔ Proficiency in SQL and database performance testing , including writing complex queries for relational databases like PostgreSQL, SQL Server, or MySQL.

✔ Experience in monitoring and analyzing system metrics (e.g., response time, CPU utilization, memory usage, network throughput).

✔ Hands-on experience with log analysis and monitoring tools such as ELK Stack, Splunk, or Azure Monitor.

✔ Strong knowledge of agile methodologies (Scrum, Kanban) and working in collaborative environments.

✔ Excellent verbal and written communication skills , with the ability to create comprehensive test cases, test plans, and bug reports.

Nice to Have Skills

➕ Experience working in UK public sector engagements (MoJ, HMCTS, DWP, Home Office, NHS, etc.).

➕ Familiarity with GOV.UK service standards and user-centric design principles.

➕ Hands-on experience with data visualization tools like PowerBI to present performance trends and insights.

➕ ISTQB Agile Tester Extension (CTFL-AT) or Certified Agile Tester (CAT) certification.

➕ Security Testing Fundamentals , including OWASP performance security best practices.

➕ Ability to write non-functional test strategies for large-scale projects.

➕ Familiarity with profiling and optimizing application performance in microservices and serverless environments.

Certifications & Security Clearance

✔ ISTQB Foundation Level Certification (or equivalent) - Demonstrating fundamental software testing principles.

✔ BPSS or SC Clearance (or willingness to undergo security vetting) - Required for working on sensitive government projects.

Why Join Scrumconnect Consulting?

✔ High-impact role in public sector digital transformation.

✔ Competitive salary & career growth opportunities.

✔ BUPA Health Cover & AIG Life Cover.

✔ Flexible working environment with remote work options.

✔ Generous annual leave package (28 days + tenure-based increments).

✔ Pension contribution (4% Employee, 3% Employer).

✔ On-the-job training & professional development support.

How to Apply