Summary
Dmitrii Kostianoi is a pragmatic Scala software engineer with 11 years of experience building reliable backend systems and evolving architectures for high-throughput services. Based in Amsterdam, he has driven payments and integration work at Marktplaats, helped scale EV charging backends at NewMotion, and designed medical-data ingestion systems at CareXS using functional Scala stacks (cats, http4s, doobie). He frequently mentors junior engineers, leads recruitment, and champions functional programming and testable, maintainable refactors in production codebases. Comfortable across the JVM and polyglot environments, he pairs deep systems thinking with hands-on delivery involving Kafka, RabbitMQ, PostgreSQL and event-driven patterns. An engineer who started in broadcast and telecom operations, he brings rare operational empathy to software reliability and integration challenges.
11 years of coding experience
14 years of employment as a software developer
Bachelor of Engineering - BE Radio Television and Digital Communication, Bachelor of Engineering - BE Radio Television and Digital Communication at Saint Petersburg University of Telecommunications
Russian, English, Dutch