Quality Assurance Automation Lead

Want to work in technology at an investment bank?

We are seeking a highly technical and hands-on QA & Stability Technical Lead to join a high-profile Global Markets programme responsible for a mission-critical workflow and task management platform. The system processes 8–9 million emails per month, supports hundreds of concurrent users, and is being modernised to scale to thousands of users whilst incorporating AI-driven classification and workflow automation. This role is ideal for someone who remains deeply involved in automation engineering and non-functional testing whilst providing technical leadership across quality, stability, performance, and release assurance.

The successful candidate will be expected to lead by example, actively contributing to test automation, performance testing, environment management, and defect investigation.

About mthree:

Since 2010, mthree has been helping clients solve their business and technological challenges. We are a technology and business consultancy with a global workforce delivering significant business and IT projects in some of the largest financial services organizations worldwide.

Core Services:

• Consulting and Advisory
• Managed Services
• Alumni Graduate Program

We have a global presence and are experts in delivering exceptional quality to our client base, providing consulting services across Risk, Regulation & Compliance;
Vendor Products;
Application Support;
Application Development;
Cyber & Information Security;
Data Science and Dev Ops areas.

Our Expert program offers experienced professionals access to top roles in tech, finance, aviation and insurance. Join us to work on groundbreaking technology projects, from international trading platforms to critical applications for leading airlines. We recruit professionals who are eager to fast-track their careers in technology or operations within prestigious global organizations.

Key Responsibilities

• Lead the QA and Stability workstream whilst remaining actively involved in day-to-day testing activities.
• Design, build and maintain automated test frameworks and regression suites using modern automation tooling.
• Develop and execute automated functional, integration, API, end-to-end and regression tests.
• Own performance, load, stress, volume and latency testing activities for a high-throughput platform processing millions of emails each month.
• Build realistic test scenarios and datasets that accurately reflect production workloads and user behaviour.
• Set up, configure and manage QA, UAT and performance testing environments.
• Define and implement quality gates across CI/CD pipelines.
• Execute hands‑on testing of AI‑powered classification and workflow automation capabilities.
• Perform root cause analysis of complex defects, performance bottlenecks and stability issues.
• Work closely with Java Developers, Dev Ops Engineers, Architects and Business Users to ensure quality is embedded throughout the development lifecycle.
• Manage test planning, execution, reporting and defect triage activities.
• Drive continuous improvement of automation coverage, testing processes and release quality.
• Mentor and provide technical guidance to other QA Engineers within the programme.

Skills Required:

• Bachelor’s in computer science or related field
• Years of experience: 8-10 years
• Extensive hands‑on experience in QA Automation and Test Engineering within enterprise environments.
• Proven experience acting as a Technical Lead whilst remaining actively involved in delivery.
• Strong experience developing automated test frameworks using tools such as:
• Playwright
• Selenium
• REST Assured
• Cucumber
• Experience conducting:
• Performance Testing
• Load Testing
• Stress Testing
• Volume Testing
• Stability Testing
• Strong hands‑on experience with Load Runner, JMeter or similar enterprise performance testing tools.
• Experience creating and maintaining large-scale automated regression test packs.
• Experience testing distributed systems and high‑volume transaction processing platforms.
• Strong understanding of APIs, microservices and event‑driven architectures.
• Experience managing test environments and supporting release activities.
• Strong SQL and database testing experience.
• Experience working within Agile…