Senior QA Engineer - High-Load API & Microservices

SOFTSWISS; Warszawa; On-site; PLN 140,000 - 200,000; Full time

Benefits offered by this job

Private health insurance

Sports benefits

Mental Health Program

Free English lessons

Local language courses

Paid time off

Maternity leave support

Referral program rewards

Upskilling, workshops & conferences

Job summary

SOFTSWISS is seeking a Senior Manual QA Engineer for its Game Aggregator platform in Warsaw. You will own QA for your product team end-to-end, design tests, and track quality metrics, ensuring reliable, scalable operations across operator platforms.

You will work with engineers across microservices, validate REST APIs with Postman, participate in CI/CD pipelines, and drive QA improvements. English and Russian communication is required.

Qualifications

• 4+ years of QA for server-side/backend apps.
• Strong test design, risk-based prioritization, exploratory testing.
• Systematic mindset with process improvement experience.
• Hands-on with microservice-based systems and architecture trade-offs.
• API testing with Postman and REST APIs.
• CI/CD knowledge and reading pipelines (GitLab CI).
• Bug tracking with Jira and defect management.
• Strong troubleshooting to localize failures.
• Experience with logs/observability (ELK, Grafana).
• English or Russian at least upper-intermediate.

Responsibilities

• Own QA for your product team end-to-end: test strategy, checklists, test cases.
• Measure product quality with QA metrics and indicators.
• Report QA status, risks, and plans to team and stakeholders.
• Review feature requirements early to surface gaps and risks.
• Lead releases as the responsible QA and monitor production results.
• Diagnose defects from discovery to resolution.
• Validate data in databases and work with data daily.
• Collaborate with product, infra, and business teams.
• Demonstrate product to the Product Owner.
• Research and adopt new QA approaches, including AI-assisted QA.
• Continuously improve the QA process.

Skills

Test design

Systematic mindset

Hands-on microservices

API testing

CI/CD

Bug tracking

Troubleshooting

Logs/observability

English/Russian (B2+)

Tools

Postman

REST APIs

Jira

ELK

Grafana

GitLab CI

Job description

SOFTSWISS is seeking a Senior Manual QA Engineer for its Game Aggregator platform in Warsaw. You will own QA for your product team end-to-end, design tests, and track quality metrics, ensuring reliable, scalable operations across operator platforms.

You will work with engineers across microservices, validate REST APIs with Postman, participate in CI/CD pipelines, and drive QA improvements. English and Russian communication is required.