Senior Manual Tester (f/m/x)

Senior Manual Tester (f/m/x)

Miejsce pracy: Warszawa

Technologies we use

Expected

• TestRail
• Postman
• SQL
• API
• Microservices
• Jira

About the project

We are looking for a Senior Manual Tester to support a team of a global company operating in the electric mobility and energy domain. The project focuses on building and operating a platform that supports public charging services, energy solutions, and e-commerce functionalities across Scandinavian markets (Sweden, Norway, Denmark). The team works on a modern, microservice-based ecosystem enabling large-scale integrations, complex backend flows, and end-to-end customer journeys in the area of electric mobility and energy services.

Your responsibilities

• Planning and executing integration, system, and usability testing
• Participating in end-to-end and UAT testing activities
• Validating complex backend flows across multiple microservices and integrations
• Collaborating with developers to understand critical paths and ensure product stability
• Strengthening cooperation with other development teams
• Working closely with cross-functional and cross-team stakeholders to improve overall product quality

Our requirements

• At least 5 years of experience in software testing, including planning, execution, and evaluation of tests
• Strong background in backend testing within microservice-based, asynchronous, and event-driven architectures
• Hands-on practice with API testing (Postman, Swagger), messaging flows (AWS SNS/SQS), and validation of data across integrated services
• Practical knowledge of test and defect management tools such as Jira, TestRail, and Xray
• Confidence in working with SQL databases, logs, and request tracing to ensure end-to-end quality
• Solid understanding of the software development lifecycle and Agile testing approaches
• Ability to communicate effectively and collaborate with multiple development and cross-functional teams
• Fluent in Polish and English, both written and spoken
• Residing in Poland required

Optional

• Previous work in automation testing of mobile and web applications
• Knowledge of REST API standards, protocols, and API contract validation
• Experience or domain knowledge related to card payments or card management
• ISTQB Foundation Level and/or ISTQB Advanced Level Test Analyst certification

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People

Recruitment stages

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.

Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.