I'm a full-stack developer with over 5 years of experience designing, building, and maintaining scalable web and mobile applications. At Vehikl, I build enterprise-grade solutions end to end, implementing RESTful APIs, database architectures, and real-time features while following Test Driven Development to ensure reliability and clean, maintainable code. Previously at Adknown, I developed and published over 20 mobile games, building reusable systems and optimizing development pipelines for speed and consistency. I enjoy tackling complex technical challenges, improving developer workflows, and creating well-architected systems that perform at scale.

Jeffrey Polasz

I'm a full-stack developer with over 5 years of experience designing, building, and maintaining scalable web and mobile applications. At Vehikl, I build enterprise-grade solutions end to end, implementing RESTful APIs, database architectures, and real-time features while following Test Driven Development to ensure reliability and clean, maintainable code. Previously at Adknown, I developed and published over 20 mobile games, building reusable systems and optimizing development pipelines for speed and consistency. I enjoy tackling complex technical challenges, improving developer workflows, and creating well-architected systems that perform at scale.

Available to hire

I’m a full-stack developer with over 5 years of experience designing, building, and maintaining scalable web and mobile applications.

At Vehikl, I build enterprise-grade solutions end to end, implementing RESTful APIs, database architectures, and real-time features while following Test Driven Development to ensure reliability and clean, maintainable code.

Previously at Adknown, I developed and published over 20 mobile games, building reusable systems and optimizing development pipelines for speed and consistency.

I enjoy tackling complex technical challenges, improving developer workflows, and creating well-architected systems that perform at scale.

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Experience Level

Expert
Expert
Expert
Expert
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Language

Javanese
Advanced

Work Experience

Web Developer at Vehikl
September 1, 2020 - October 27, 2025
Optimized CI pipelines by splitting long-running jobs into smaller parallel tasks; created a GitHub PR Slack bot to organize and schedule messages; implemented PR coverage analysis across 5 projects; improved React CI/test runtime and reduced overall CI runtime by about 33%.
Unity Game Developer at AdKnown
September 1, 2020 - September 1, 2020
Designed, developed, and published 21 mobile games on Google Play and App Store in 9-day development cycles; built reusable ad and mission reward system templates; improved player retention and shortened integration time across titles; updated games to comply with AdMob, Google Play, and App Store standards.
Web Developer & Graphic Designer at Freelance
May 1, 2019 - May 1, 2019
Designed and maintained 10+ websites for local businesses with WordPress and custom solutions; created logos, icons, and graphics for multiple clients; handled branding and visual design.

Education

Bachelor of Science in Computer Science at Western University
September 1, 2015 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Gaming, Media & Entertainment, Professional Services, Education

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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