I'm Steven Nassef, a Senior Unity Engineer with 5+ years of experience building and operating large-scale mobile games played by millions of users. I specialize in monetization reliability, performance, and scalable live-ops systems. I've owned and delivered core live-ops features, led architectural decisions, and collaborated cross-functionally with design, product, QA, and live-ops teams to align technical execution with product goals. I have implemented robust IAP systems, improved error handling and diagnostics, reduced purchase-related support tickets, and built tooling to accelerate content creation and QA.

Steven Nassef

I'm Steven Nassef, a Senior Unity Engineer with 5+ years of experience building and operating large-scale mobile games played by millions of users. I specialize in monetization reliability, performance, and scalable live-ops systems. I've owned and delivered core live-ops features, led architectural decisions, and collaborated cross-functionally with design, product, QA, and live-ops teams to align technical execution with product goals. I have implemented robust IAP systems, improved error handling and diagnostics, reduced purchase-related support tickets, and built tooling to accelerate content creation and QA.

Available to hire

I’m Steven Nassef, a Senior Unity Engineer with 5+ years of experience building and operating large-scale mobile games played by millions of users. I specialize in monetization reliability, performance, and scalable live-ops systems.

I’ve owned and delivered core live-ops features, led architectural decisions, and collaborated cross-functionally with design, product, QA, and live-ops teams to align technical execution with product goals. I have implemented robust IAP systems, improved error handling and diagnostics, reduced purchase-related support tickets, and built tooling to accelerate content creation and QA.

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Experience Level

Expert
Expert

Language

English
Fluent
Arabic
Fluent

Work Experience

Lead Game Programmer at Umami Games
August 1, 2023 - March 1, 2025
Led core live-ops features for a live mobile title, owning end-to-end development, architectural decisions, and collaboration with Design, Product, QA, and Live Ops to ship features safely at scale. Drove the development of networked and multiplayer game features, optimized performance, improved IAP reliability, and built tooling to accelerate content creation and QA. Reduced purchase-related support tickets by improving logging, error handling, and real-time purchase failure resolution.
Lead Developer at Yajulu
December 1, 2021 - August 1, 2023
Owned development of multiple game engine features across projects from prototype to production. Designed and implemented reusable game systems, aligned technical execution with business requirements, and led development of networked and multiplayer game features. Identified and resolved performance bottlenecks and mentored other engineers.
Unity Game Developer at Kob Games Studios
May 1, 2020 - September 1, 2020
Implemented gameplay features based on core mechanics and design specs, collaborating with designers and artists to deliver polished experiences.

Education

Bachelor's Degree of Computer Science and Engineering at The German University in Cairo
September 2, 2015 - June 2, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Gaming, Software & Internet, Media & Entertainment