Jon Jelinski
Backend Programmer at Metacore
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolJon Jelinski is a backend engineer with 11 years of experience building backend services and infrastructure for online games, currently working at Metacore in Helsinki. He has deep hands-on expertise in Go, Node.js, AWS (ECS, EC2, DynamoDB, S3, ElastiCache), Docker and Redis, and a strong history of shipping live game backends for titles like Farm Masters, Idle Farming Empire and Runegate Heroes. Comfortable across the stack, he pairs server-side systems work with Unity/C# game integration, having moved from junior roles and internships into senior backend responsibilities. Jon’s background in media computer science gives him a pragmatic blend of systems engineering and product-aware thinking when optimizing latency, reliability and cost for live services. He repeatedly delivers in cloud-native environments, automating deployments and observability with tools like CloudWatch and Jenkins. Colleagues would note his steady progression from embedded game programmer to a reliable backend specialist who understands both gameplay needs and scalable infrastructure.
11 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Media Computer Science, Bachelor’s Degree, Media Computer Science at Fachhochschule Flensburg
German, English
Github Skills (48)
godot10
apple-sign-in10
unity2d10
game-engine10
open-source10
sign-in-with-apple10
yaml10
game-development10
unity3d10
mysql9
multiplayer9
ios9
google-play-games9
server9
google-play9
Programming languages (6)
Github contributions (5)
Kezzo/AWMobile
Dec 2016 - Jan 2019
A "down to the basics" turn-based strategy game for mobile. Every level should feel like solving a strategic puzzle.
Contributions:415 commits, 3 PRs, 158 pushes in 2 years 1 month
turn-based-strategygamesolvingstrategypuzzle
Kezzo/aika-server
Sep 2018 - Sep 2020
Contributions:2 pushes, 1 branch in 1 year 11 months
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