Abu Fagun
Senior Backend Engineer at Playfull
Dhaka, Dhaka Division, Bangladesh
Summary
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Rockstar🎓
Top SchoolAbu Fagun is a Senior Backend Engineer from Dhaka with nearly a decade of experience building high-performance, distributed microservices and Web3 protocols. He specializes in Go, C#, TypeScript and Solidity, and recently led development of a distributed system serving 6 million users at 50,000 RPS while cutting cloud costs and improving DB performance by up to 70%. Abu pairs deep backend architecture and event-driven design with hands-on DevOps (Kubernetes, Terraform) and blockchain expertise—having fixed double-spend issues and deployed smart contracts across multiple chains. He has a track record of modernizing monoliths into scalable microservices, mentoring engineers, and delivering offline-first cross-platform apps that saved his company millions. Notably, he combines fintech and decentralized-protocol experience, making him comfortable shipping both regulated SaaS and cutting-edge crypto infrastructure.
9 years of coding experience
12 years of employment as a software developer
Bachelor of Science (BSc) Computer Software Engineering, Bachelor of Science (BSc) Computer Software Engineering at Daffodil International University-DIU
Bengali, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (185)
windows10
asp-net-core10
asp-net10
linux10
dotnet10
cross-platform10
editorconfig10
csharp10
dotnet-core10
middleware9
http-response9
api9
server9
router9
mobile-application8
Programming languages (7)
Github contributions (5)
abuzaforfagun/express-with-mssql
May 2018 - May 2020
Contributions:20 commits, 16 pushes, 1 branch in 2 years
abuzaforfagun/HybridMobileApp-Xamarin-Angular-EmbedIO
May 2018 - May 2019
Local web server with REST API inside mobile application
Contributions:39 commits, 2 PRs, 8 pushes in 1 year
apiweb-servermobile-applicationdockernodejs
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