Backend QA Engineer

Location: Remote from Europe
Reporting to: Head of Back-end Development

Your Mission

• Analyse business requirements, functional specs, and user stories to design comprehensive test cases and scenarios.

• Perform end-to-end testing of transaction lifecycles, covering initiation, authorisation, settlement, and reconciliation.

• Explore the platform proactively for edge cases, risks, and behaviour the specs did not anticipate.

• Validate data accuracy and consistency across services using SQL queries against PostgreSQL or MySQL.

• Test REST and gRPC endpoints with Postman, grpcurl, or similar, to verify request and response behaviour.

• Verify event-driven flows across message queues such as Kafka, RabbitMQ, or NATS, including retries and duplicate handling.

• Write and extend automated tests in Go for regression-critical paths, working with the engineering team where needed.

• Log, track, and manage defects in Jira with clear reproduction steps, payloads, and service logs.

• Run regression testing after every deployment.
  

What You Bring

• 4+ years of manual testing experience with a focus on backend services and APIs.

• Domain experience in iGaming, Fintech, payment gateways, or banking platforms.

• Proficiency in writing intermediate SQL queries to validate data in relational databases.

• Hands-on experience with API testing tools such as Postman, and test management tools such as TestRail or Zephyr.

• Able to read Go and write or extend tests in it. Prior automation experience in any language is fine if you are willing to work in Go.

• Working knowledge of Docker and the ability to spin up services locally for testing.

• Solid understanding of Agile/Scrum methodologies and the Software Testing Life Cycle (STLC).

• Strong analytical and problem-solving skills with meticulous attention to detail.

Nice to Have

• Existing Go experience.

• Experience supporting UAT with business stakeholders.

• Exposure to CI/CD pipelines.

• Familiarity with Kubernetes or observability tooling.

• Background in microservices architectures

What's in it for you?

🚀 Serious Startup Energy

The chance to build and scale a B2B platform from the ground up within a fresh tech ecosystem launched in 2025.

🗺️ A truly global remote environment working with teammates from all over the world.
🏝️ Take up to 28 unavailable days a year plus public holidays.

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