Integration QA Engineer

Contract
  • August 21, 2026
  • Employment Info

    Responsibilities:

    • End-to-end integration testing: Plan and execute complex test scenarios for API flows, focusing specifically on how our system interacts with external third-party providers.
    • Data integrity and mapping: Validate data accuracy and transformation as it moves across various external services and the MuleSoft/Salesforce ecosystem.
    • Backend validation: Perform deep-dive testing of REST/SOAP APIs, ensuring error handling, rate limiting, and edge cases for third-party integrations are robust.
    • Defect orchestration: Identify, document, and track bottlenecks and bugs, working closely with MuleSoft developers and Salesforce architects to resolve integration gaps.
    • Process architecture: Since this is a “from-scratch” project, you will help design and refine the end-to-end testing strategy, including regression suites and integration workflows.
    • Stakeholder collaboration: Engage directly with UK-based client stakeholders to align on integration requirements and provide transparent reporting on quality metrics.

    Requirements:

    • 3+ years of QA experience with a heavy focus on Back-end, System, and Integration testing.
    • Integration specialist: Proven track record of testing third-party service integrations (External APIs, Webhooks, etc.).
    • Technical toolkit: Expert-level proficiency with Postman, SoapUI, or similar API testing tools.
    • Data proficiency: Strong SQL skills for data verification and backend state validation.
    • Fintech mindset: Understanding of data security and the high stakes of financial transaction flows.
    • Self-starter: Experience working on “zero-to-one” projects where processes need to be built, not just followed.
    • Communication: Confident spoken English (B2+ level) for active participation in meetings with the British client.
    • Bonus: Familiarity with MuleSoft, Salesforce, or the UK Fintech ecosystem is a significant plus.

     

     

     

     

     

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