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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on innovation in e-mobility within a corporate startup. Required tools are Postman, Swagger, SQL, JIRA, Xray. Core responsibilities include integration and contract testing, test result analysis, API validation, data integrity verification and documenting tests while collaborating with developers. Required minimum is 3 years of experience in web and mobile testing and fluency in Polish and English. Offered benefits include private healthcare, benefits cafeteria, car discounts and training/investment programs.
from: 21 September 2026
to: 21 October 2026
salary not specifiedB2B contract
Offer parameters
level:mid • senior
working mode:hybrid • full office
Warszawa, Mokotów
Requirements
Expected technologies
Postman
SQL
Mobile Testing
Xray
Jira
Optional technologies
ISTQB
Our requirements
- At least 3 years of experience as a software tester of web and mobile applications
- Proficiency in API testing tools such as Postman and Swagger
- Experience with SQL databases and executing queries
- Familiarity with defect management tools like JIRA and test management tools like Xray
- Solid knowledge of common test design techniques and the software development lifecycle
- Excellent communication and team collaboration skills
- Fluency in Polish and English
Optional
- Experience in automation testing of mobile and web applications
- Knowledge of card payments and card management systems
- ISTQB Foundation Level and/or ISTQB Advanced Level Test Analyst certification
Your responsibilities
- Planning and executing integration and contract testing to ensure product quality
- Conducting thorough analysis and evaluation of test results to identify areas for improvement
- Utilizing API testing tools like Postman and Swagger to validate service functionality
- Employing SQL queries to verify data integrity and database interactions
- Documenting testing processes and results using tools like JIRA and Xray for Jira
- Collaborating with developers to understand critical paths and enhance product stability
- Building strong cooperation with other development teams to improve overall testing processes
About the project
We are looking for a skilled Senior Manual Tester to join a corporate startup focused on innovation in electric mobility. You will be part of a global hub dedicated to shaping the future of electric mobility. You will collaborate with developers and other teams to ensure product stability and contribute to the development of solutions that facilitate the transition to electric vehicles.
The role is hybrid and requires working from the office 2 days a week.
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
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.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.
This is how we work
Manual Tester – Web and Mobile Applications (f/m/x)
I apply to:
Sii Sp. z o.o.
Warszawa, Mokotów
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