Yevhenii Halenko is a Senior Backend Engineer with 11 years of software experience and a nine-year track record building scalable SaaS and high‑load platforms across eCommerce, FinTech, HealthTech, and travel. He specializes in Ruby while also applying Java and JavaScript to design systems from monoliths to event‑driven microservices, including GraphQL Federation and messaging queue architectures. His recent roles include delivering high‑traffic instant‑commerce features at GoPuff and travel booking functionality for Campsited, and he currently contributes backend expertise at Simulmedia. Comfortable across AWS, GCP, Terraform, PostgreSQL, Redis, and Docker, he focuses on clean code and designs that map directly to business value. Progressing from intern to team lead, he mentors engineers and shapes engineering culture rather than just writing code. Based in Dnipro, Ukraine, he combines formal systems engineering training with practical product-first engineering across the full backend stack.
10 years of coding experience
12 years of employment as a software developer
HTML, CSS, JavaScript, PHP, MySQL, Bootstrap, jQuery, SEO, HTML, CSS, JavaScript, PHP, MySQL, Bootstrap, jQuery, SEO at ORT
M.Sc. in Computerized Control Systems, System Engineering, M.Sc. in Computerized Control Systems, System Engineering at Dnipro University of Technology
RoR, RoR at RubyGarage
Павлоградський коледж Державного вищого навчального закладу "Національний гірничий університет"
Contributions:2 PRs, 121 pushes, 6 branches in 2 months
spring-bootspringjavahometask
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Yevhenii Halenko - Senior Backend Engineer at Simulmedia