Summary
Kostiantyn Hantsov is a Staff Software Engineer with 12 years of experience building scalable backend systems, currently leading platform work at Backlight in Stockholm. He is proficient in Python and Go and routinely architects services using Flask, aiohttp, Cassandra, PostgreSQL, Redis, Elasticsearch, Docker and Kubernetes, while also shipping front-end features with React and Redux. His career spans media and cloud-focused platforms (iconik.io, Cantemo) where he solved complex distributed-data and integration challenges. Constantly exploring new paradigms, he experiments with languages and systems like Elm, Clojure, Haskell and CockroachDB in his spare time, which informs pragmatic choices in production. Colleagues describe him as a hands-on engineer who pairs deep systems thinking with steady delivery of reliable, observable services.
12 years of coding experience
17 years of employment as a software developer
Master’s Degree Computerized Systems Automatics and Managment, Master’s Degree Computerized Systems Automatics and Managment at PHEI Institute of Economics and New Technologies
English, Russian, Ukrainian, Swedish