Manual QA Engineer

Sorry, this job was removed at 02:15 p.m. (CST) on Wednesday, Jan 28, 2026
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Warsaw, Warszawa, Masovian, POL
In-Office
Information Technology • Software
The Role

Start.io is a sell-side omnichannel advertising platform powered by real-time mobile audiences. We deliver hundreds of millions of ads per day across thousands of global leading apps and websites. Our platform uses AI to deliver more efficient, effective and precise digital advertising campaigns. Our direct integration with thousands of mobile publishers gives us access to more than 50 billion first-party data signals per day across the globe. Marketers use these anonymized signals to understand and predict consumer behavior, identify new opportunities and fuel business growth.

Requirements
  • 5+ years of experience in manual software testing
  • Solid understanding of software testing methodologies and best practices
  • Excellent analytical and problem-solving skills
  • Hands-on experience in API testing (REST/OpenRTB)
  • Experience working with relational and non-relational databases (SQLbased systems, MongoDB, Aerospike, etc)
  • Strong English communication skills
Will be a plus
  • Knowledge in the programmatic advertising landscape – DSPs, SSPs, exchanges – significant advantage.
  • Familiarity with ad tech concepts (SSP, DSP, RTB auctions).
  • Understanding of automation testing concepts
  • Experience with SDK testing
  • Understanding of microservices architecture
Responsibilities
  • Develop comprehensive test cases and test scenarios based on business, functional, and technical requirements
  • Perform thorough functional, integration, and exploratory testing
  • Create detailed and clear bug reports with step-by-step reproduction steps
  • Participate in test planning, design, and review processes
  • Conduct user acceptance testing (UAT)
  • Collaborate closely with development teams to identify and resolve software defects
What we offer
  • Help and support from our caring HR team
  • 20 days of vacation
  • The exchange of experience and work with talented colleagues
  • Last but not least - valuable compensation for your efforts

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The Company
Kharkiv, Kharkiv
294 Employees

What We Do

Globaldev Group provides end-to-end software development services and builds skillful teams of specialists to fuel your business’ growth. Leveraging our extensive 12-year background and deep industry knowledge, we have established ourselves as a reliable partner for numerous enterprises, SMEs, and startups. Globaldev Group is an ISO/IEC 27001 certified company. ▪️️ Global Teams ▪️ Globaldev offers R&D team extensions to both emerging technology companies and global corporations. Empowered by our global talent pool, we excel at connecting our clients with high-skilled specialists. Hiring, onboarding, and continuous management are all included in our comprehensive set of services, enabling our clients to quickly scale their teams and achieve their product development and implementation goals. ▪️ Global Engineering ▪️ - Obtain a custom-designed solution from scratch - Scale or enhance your current software infrastructure - Stay ahead with the latest cutting-edge technologies - Access a comprehensive range of services from a single vendor As a full-stack development company, we are equipped to fulfill all your business requirements. Whether it's product discovery, proof of concept, UX design, or development, Globaldev serves as your all-in-one solution provider.

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