A fast-growing and promising startup is looking for an experienced QA Engineer to join our team that develops a new DeFi ecosystem. The ecosystem consists of different platforms and projects that aim to make crypto more accessible and friendly to people worldwide.

It is an exciting opportunity to join our R&D at an early stage and play a key role in creating top-notch Web3 products that are changing the world of finance today!



  • Responsible for maintaining and improving the testing process to ensure the quality of our deliverables

  • Gather and analyze testing requirements, and plan testing process, produce concrete testing plans and test cases

  • Actively involved in the process of requirements review, test case design, quality assurance, function launching, and issue tracking

  • Supporting developers in reproducing and troubleshooting defects

  • Drive continuous improvement of the testing process and promote automation testing

  • Assist internal and external personnel in conducting system interfacing testing

  • In the future, participating in establishing automatic testing procedures by adopting testing tools and writing testing scripts to ensure the reliability of the testing process


  • 5 years or more working experience for web-based applications

  • Strong knowledge of quality assurance terminology, methods, and tools

  • Solid understanding of web technologies (HTTP, API, JSON, RPC)

  • Solid experience with testing REST API, GraphQL, and microservices integrations

  • Solid knowledge of SQL and scripting

  • Analytical, problem-solving, and decision-making skills

  • Experience working in an Agile/Scrum development process

  • Ability to work independently, with little supervision

  • Good communication and expression skills in English. A team player with strong execution ability.

Nice to have

  • Experience with web3, blockchain & smart contract testing

  • Background in finance / financial trading systems, such as FIX protocol, ordering process, derivatives trading, etc


We offer

  • Monthly gross salary PLN 15,000-20,000.

  • Flexible contract - standard contract of employment or B2B contract? We’ve got you covered!


  • Flexplace - want to work from home and have a flexible schedule? No problem at all! You can work fully remotely. Want to work from the office? You’re welcome to our office in the center of Warsaw with all the best for comfortable work.

  • DeFi and other projects related to the crypto industries - You’re going to work with the most exciting technologies and top-notch products that exist today on the market, such as NEAR, Avalanche, Chainlink, Polygon, Solana, etc.

  • The best development standards are in place so you can smoothly do what you're good at.

  • Are you from Belarus, Ukraine, or Russia and want to join us? Our team will help you with the relocation and other organizational questions.


About Kronos Tech

Kronos Tech is an R&D team at Kronos Research. Kronos Research is a fast-growing startup that connects traders, exchanges, institutions, and DeFi platforms with democratized access to the best-in-class liquidity and superior trading execution at lower or zero cost. We are at the forefront of the crypto industry and aim to change today’s patterns and make crypto available worldwide for everyone.

Kronos Research cooperates with such great labels as Binance, HOO, 1inch, Uniswap, DODO, DeFi Capital, etc.

Kronos Research is a place for pioneers and entrepreneurs. We work on the bleeding edge of blockchain technology and play a crucial role in empowering the world to trade better and live better. Join the evolution with us!


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