Middle/Senior Software QA Engineer (NXJ-147)

Newxel; Poland; On-site; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Medical insurance

Hybrid work format

Career growth opportunities

Job summary

Newxel is seeking a Middle/Senior Software QA Engineer to join a fast-growing fintech company building a high-load international payments platform. You will work with engineering teams to ensure quality of real-time transactions, mobile apps, and API integrations, performing manual and automated testing to deliver reliable financial services globally.

Responsibilities include designing test plans, identifying risks, executing tests, and presenting progress to management, with a focus on QA best

Qualifications

• 5+ years of QA experience, including test plans.
• Strong design and debugging skills, hands-on.
• Experience writing test plans and test cases.
• Experience driving QA process improvements.
• 3+ years of API testing using Postman.
• 2+ years of testing mobile applications.
• Advanced hands-on experience in building automated regression testing frameworks.
• Team player who can work independently and learn quickly.

Responsibilities

• Participate in design to understand, analyze, and influence the application/service/system to be tested.
• Identify risks and define appropriate test coverage for new features and regression.
• Design and develop test plans and test cases.
• Execute test cases (manual and automated), analyze results, document issues, and prepare test reports.
• Present testing progress and results to the management team.

Skills

QA experience

Test plan design

API testing (Postman)

Mobile testing

Automated testing frameworks

Debugging skills

Independent working

English (B2+)

Tools

CI/CD processes

JIRA

Job description

We are looking for a Middle/Senior Software QA Engineer to join a fast-growing FinTech company building a high-load international payments platform. In this role, you will work closely with engineering teams to ensure the quality of complex systems handling real-time transactions, mobile applications, and API integrations. You will contribute to both manual and automated testing, helping deliver reliable and scalable financial services used globally.

Responsibilities

• Participate in the design process to understand, analyze, and influence the application/service/system to be tested
• Identify risks and define appropriate test coverage for new features and regression
• Design and develop test plans and test cases
• Execute test cases (manual and automated), analyze results, document issues, and prepare test reports
• Present testing progress and results to the management team

Requirements

• 5+ years of QA experience, including writing and executing test plans
• Strong design and debugging skills (hands-on)
• Experience writing clear, concise, and comprehensive test plans and test cases
• Experience driving process improvements and implementing QA best practices
• 3+ years of API testing experience using Postman
• 2+ years of experience testing mobile applications
• Advanced hands-on experience in building automated regression testing frameworks
• Team player with the ability to work independently, think critically, and learn quickly
• Ability to operate effectively in a dynamic, fast-changing environment
• English level: Upper-Intermediate (B2) or higher preferred

Will be a plus

• Experience with monitoring tools such as LogScale, NewRelic, Mode, BugSnag, Grafana
• Familiarity with CI/CD processes
• Experience with JIRA
• Experience in the fintech domain

What we offer

• Competitive salary and benefits package
• Medical insurance
• Top equipment kit
• Hybrid work format (Kyiv-based)
• Collaborative and innovative work environment
• Career growth and development opportunities
• A chance to work with a talented and driven team of professional

About the project

Our partner is an innovative and fast-growing US-based FinTech company founded in 2011. The company provides digital financial services for migrant workers, enabling them to send money home through modern digital channels, including mobile devices.

They have developed an international payment platform that leverages modern technologies to simplify the money transfer process, reduce time, and eliminate the need for additional forms, codes, and intermediaries.

The platform supports high volumes of transactions and integrates with global payment systems and local financial providers.

The company's mission is to enhance the lives of migrants by making cross-border money transfers more accessible, fast, and transparent, while helping them better manage their finances.