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Heydar RzayevHR
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Heydar Rzayev

@heydarrzayev

Full Stack Software Engineer at SOFTGAMES, scaling HTML5 game platforms played by millions.

Germany
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At SOFTGAMES, I develop platform, payment, and tooling systems for HTML5 games played by millions of monthly players. I created Firebase and Firestore wrapper libraries adopted across 20+ game titles, standardizing common game services and cutting per-game integration from about three days to under half a day.

I shipped Xsolla in-app purchase features, including a Guest Purchase flow that lifted conversion by about 15%, and built a real-time metrics dashboard processing 600M+ database rows per day. I also built a scaffolding CLI that reduced new project setup from about two days to under 15 minutes.

Previously, at Specter Automation, I built Three.js and Angular BIM viewers that rendered models with 500K+ elements at 60 fps. Before moving into engineering, I was a Product Owner at Saloodo! GmbH, where I owned a squad’s product backlog and also wrote Jest tests alongside the engineering team.

Experience

Work history, roles, and key accomplishments

SG

Product Owner

Saloodo! GmbH

Apr 2022 - Nov 2023 (1 year 7 months)

Owned the product backlog for a squad of 8 engineers, running sprint ceremonies and raising sprint predictability to ~90%. Translated business requirements into user stories and worked with QA to reduce bug turnaround time.

Education

Degrees, certifications, and relevant coursework

Rhein-Waal University of Applied Sciences logoRS

Rhein-Waal University of Applied Sciences

Bachelor of Science, Communication and Information Engineering

2017 - 2021

B.Sc. in Communication and Information Engineering. Thesis on the development of a 3D robotic arm for educational purposes.

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