Integration QA Engineer

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Leadex Systems

WebsiteLinkedInAll Job Openings

51 - 200 employees

☁️ SaaS

💸 Finance

⚕️ Healthcare Insurance

SaaS • Finance • Healthcare Insurance

Leadex Systems is a company specializing in digital transformation with a focus on integration solutions. They offer a wide range of services including API development and management, MuleSoft end-to-end implementation, custom development, and DevOps. With over 50 certified MuleSoft engineers and extensive experience across multiple industries, Leadex Systems helps organizations expedite their digital transformation process, especially in areas like digital banking, fintech, healthcare, e-commerce, and retail. They have a proven track record with integrations of core banking systems, payment system integrations, and compliance-related projects, as well as healthcare systems and e-commerce platform integrations. Their expertise extends to API governance and support, ensuring high-quality integration solutions.

📋 Description

• Plan and execute complex test scenarios for API flows, focusing specifically on how our system interacts with external third-party providers. • Validate data accuracy and transformation as it moves across various external services and the MuleSoft/Salesforce ecosystem. • Perform deep-dive testing of REST/SOAP APIs, ensuring error handling, rate limiting, and edge cases for third-party integrations are robust. • Identify, document, and track bottlenecks and bugs, working closely with MuleSoft developers and Salesforce architects to resolve integration gaps. • Help design and refine the end-to-end testing strategy, including regression suites and integration workflows. • 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. • Proven track record of testing third-party service integrations (External APIs, Webhooks, etc.). • Expert-level proficiency with Postman, SoapUI, or similar API testing tools. • Strong SQL skills for data verification and backend state validation. • Understanding of data security and the high stakes of financial transaction flows. • Experience working on "zero-to-one" projects where processes need to be built, not just followed. • Confident spoken English (B2+ level) for active participation in meetings with the British client. • Familiarity with MuleSoft, Salesforce, or the UK Fintech ecosystem is a significant plus.

🏖️ Benefits

• Flexible work schedule. • 31 days of vacation. • 5 sick days. • Sport compensation. • Support with purchasing the necessary equipment.