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DevOps Engineer

DevOps Engineer

Manual Test Engineer

MADIFF

Warsawfulltime

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Role description

Job Information

Industry

Financial Sector
Date Opened

07/13/2026
Job Type

Full time
City

Warsaw
State/Province

Masovian Voivodeship
Country

Poland
Zip/Postal Code

00-002

Job Description

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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