Senior QA / Test Engineer (API & E2E) (IoT)

TL;DR

Senior QA / Test Engineer (API & E2E) (IoT): Developing a quality strategy and automated test suites for a Connectivity Management Platform Adapter to enable global IoT connectivity with an accent on API translations, E2E resilience, and CI/CD integration. Focus on building a greenfield automation framework, validating complex partner API integrations, and simulating real-world failure scenarios.

Location: Hybrid work model in Warsaw, Poland

Company

A leader in the telecommunications industry providing strategic platforms that enable global IoT connectivity.

What you will do

• Define and own the end-to-end quality strategy for a greenfield Connectivity Management Platform integration layer.
• Build and maintain fully automated API and E2E test suites integrated with the GitLab CI/CD pipeline.
• Ensure accuracy and resilience of API translations between external MNO platforms and internal systems.
• Design tests to validate behavior against changing external partner APIs and prevent regressions.
• Monitor production logs and proactively simulate real-world failure scenarios to identify edge cases.
• Collaborate with developers and product teams to embed quality into the delivery lifecycle.

Requirements

• 4+ years of professional experience in QA Automation with a strong focus on API-first products.
• Hands-on expertise in testing REST and SOAP APIs using Postman, Newman, or custom scripts (Node.js / Go).
• Experience with Playwright or Cypress for end-to-end frontend testing.
• Familiarity with contract testing (e.g., Pact) and performance/load testing tools (K6, JMeter).
• Very good command of English (working language of the project).
• Ability to work in a hybrid model in Warsaw.

Culture & Benefits

• Stable employment based on an employment contract.
• Medical package and life insurance.
• Access to training platforms including Percipio, Coursera, and Rodos.
• Flexible home/office work model.
• Additional day off for your birthday or nameday.
• Customizable benefit platform and free parking space.