Manual Test Engineer
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Salary
≈ $31k – $60k per year (Estimated)
Location
In office (Warsaw)
Seniority
Middle · 3+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 10, 2026.
Overview
Company
Impact
Profile match
Madiff is an IT consulting and staff augmentation company that provides remote agile teams, nearshore development teams and individual IT contractors to enterprise clients, with most of its hiring run from Warsaw. It works across retail, banking and insurance, telecom and media, automotive, energy, transportation and life sciences, recruits consultants in Poland and Portugal and sells its services into the UK, Ireland, France, Switzerland, Northern Europe and the US. Its openings cover .NET and full stack developers, data engineers and data scientists, AI architects, system and business analysts, QA testers, project managers and IT sales staff.
We are looking for a Manual Test Engineer to join a QA team supporting critical enterprise applications. The role focuses on manual testing, backend validation, SQL-based data verification, and API testing, ensuring application quality through close collaboration with developers, analysts, and Product Owners in an Agile environment.
Responsibilities
- Plan, design and execute manual functional, integration and regression tests
- Perform backend and database focused testing
- Validate data flows, transformations and backend processing
- Write and execute SQL queries to verify data and investigate issues
- Test REST and SOAP APIs
- Analyse application logs and database records to identify defects and root causes
- Prepare and maintain test documentation, scenarios and reports
- Work closely with developers, analysts and Product Owners
- Track and manage defects using Jira or similar tools
- Participate in Scrum ceremonies including Sprint Planning, Daily Scrum and PI Planning
- Support continuous improvement of QA processes
Requirements
- Minimum 3 years of commercial experience as a Manual Tester or QA Engineer
- Strong SQL knowledge, including complex queries, JOINs, subqueries and GROUP BY
- Experience testing backend or data driven applications
- Experience working with relational databases such as PostgreSQL, Oracle, MS SQL or MySQL
- Experience testing REST and SOAP APIs
- Ability to analyse business and technical requirements
- Experience using Jira, Azure DevOps or similar QA tools
- Strong test documentation skills
- Good understanding of manual testing techniques and defect lifecycle
- Experience working in Agile and Scrum environments
- Good English communication skills
Nice to have
- Basic experience with automation tools such as Selenium, Postman or Python
- CI/CD exposure
- Financial services or payments experience
Benefits
- Solid, competitive salary
- Work in a multinational environment on international projects
- Comprehensive healthcare
- Long-term B2B contract with a stable project pipeline
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