Integration QA Engineer

Job not on LinkedIn

🕒 July 31

🇬🇧 United Kingdom – Remote

⏳ Contract/Temporary

🟢 Junior

🔧 QA Engineer (Quality Assurance)

🚫👨‍🎓 No degree required

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Leadex Systems

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

🏥 Healthcare

☁️ SaaS

Consulting • Healthcare • SaaS

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

• 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

• 1+ 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. • 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.

🏖️ Benefits

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