Manual Tester

Infotree Global Solutions Inc.; Warszawa; On-site; PLN 90,000 - 130,000; Full time

Benefits offered by this job

Career growth towards test automation

Flexible working hours

Training and mentoring

Collaborative Agile environment

Job summary

Infotree Global Solutions Inc. is seeking a detail-oriented Manual Test Engineer to join our QA team in Warsaw. The role focuses on functional and backend testing, with emphasis on data validation, SQL analysis, and verification of complex business processes.

You will work closely with Developers, Business Analysts, Product Owners, and QA Engineers in an Agile environment, executing test cases, validating data integrity, and contributing to continuous improvement of QA standards.

Qualifications

• 3+ years of commercial experience as a Manual Tester or QA Engineer.
• Experience testing enterprise or business-critical applications.
• Experience working in Agile/Scrum environments.
• Strong SQL skills including complex queries.
• Experience testing REST and SOAP APIs.

Responsibilities

• Plan, design, and execute manual test cases for functional, integration, and regression testing.
• Validate application functionality against requirements.
• Perform end-to-end testing across multiple components.
• Log, track, and verify defects using Jira or similar tools.
• Collaborate with Developers, BAs, Product Owners, and QA team members throughout the SDLC.

Skills

Manual testing

SQL queries

Database testing

REST & SOAP APIs

QA tools

Agile/Scrum

Tools

Jira

Azure DevOps

TestRail

Job description

Position Summary

We are looking for a detail-oriented Manual Test Engineer to join our QA team and ensure the quality, reliability, and stability of business-critical applications. This role focuses on functional and backend testing, with a strong emphasis on data validation, SQL analysis, and verification of complex business processes.

Working closely with Developers, Business Analysts, Product Owners, and QA Engineers, you will play a key role in delivering high-quality software by identifying defects, validating data integrity, and continuously improving testing processes within an Agile environment.

The position requires 5 days/week in the office in Warsaw.

Key Responsibilities

Test Design & Execution

• Plan, design, and execute manual test cases for functional, integration, and regression testing.

• Validate application functionality against business and technical requirements.

• Perform end-to-end testing across multiple application components.

Database & Backend Testing

• Execute data validation and backend process testing.

• Write and execute SQL queries to verify data integrity, investigate issues, and validate business logic.

• Analyze database records, application logs, and data flows to identify defects and root causes.

• Test REST and SOAP APIs to ensure correct system integration and data exchange.

Quality Assurance

• Create and maintain comprehensive test documentation, including test cases, test scenarios, and execution reports.

• Log, track, and verify defects using Jira or similar defect management tools.

• Support continuous improvement of QA standards, methodologies, and testing processes.

Collaboration

• Work closely with Developers, Business Analysts, Product Owners, and QA team members throughout the software development lifecycle.

• Participate actively in Agile ceremonies, including Sprint Planning, Daily Stand-ups, Reviews, Retrospectives, and PI Planning.

Required Qualifications

Experience

• 3+ years of commercial experience as a Manual Tester or QA Engineer.

• Experience testing enterprise or business-critical applications.

• Experience working in Agile/Scrum environments.

Technical Skills

• Strong SQL skills, including complex queries (JOINs, subqueries, GROUP BY).

• Hands-on experience with relational databases such as PostgreSQL, Oracle, MS SQL Server, or MySQL.

• Experience testing backend systems and data-driven applications.

• Practical experience testing REST and SOAP APIs.

• Familiarity with Jira, Azure DevOps, TestRail, or similar QA management tools.

• Strong understanding of software testing methodologies and defect lifecycle management.

Soft Skills

• Strong analytical and problem-solving abilities.

• Excellent attention to detail and organizational skills.

• Ability to work independently while collaborating effectively within cross-functional teams.

• Strong communication skills and proactive approach to quality improvement.

Nice to Have

• Basic knowledge of test automation tools (Selenium, Postman).

• Basic programming or scripting experience (Python or Java).

• Familiarity with CI/CD pipelines and modern software delivery practices.

What We Offer

• Opportunity to work on business-critical applications with a highly experienced QA team.

• Career growth towards test automation, backend testing, or QA specialization.

• Flexible working hours.

• Access to professional training, mentoring, and continuous learning opportunities.

• Collaborative Agile environment with real impact on product quality.