A back-end developer at 0+X with over 10 years of experience, Vitalii has worked as a back-end developer across clients like Trustly, Fishbrain, and Apple. Currently working on payment and money routing back-end at Trustly, Vitalii earlier rebuilt a legacy project and significantly improved app performance at Fishbrain.

Already experienced with Ruby, Javascript, and Rust on Linux/Unix systems, Vitalii also works with Golang microservices. He has an extensive experience in database optimisation, performance tuning, and system design across both legacy and greenfield projects.

Vitalii enjoys "thinking like an owner," prioritising the product's best interests, and taking ownership where it adds value.