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Hi there! I’m a backend-focused software engineer with over 9 years of diverse experience building scalable microservices and distributed systems. I love solving hard problems, optimizing performance, and shipping reliable software that users rely on. I bring a versatile foundation in cryptography, blockchain, and mobile app development, and I’m now expanding into full-stack modern web development. I enjoy collaborating across teams, mentoring others, and continuously learning new technologies.…Hi there! I’m a backend-focused software engineer with over 9 years of diverse experience building scalable microservices and distributed systems. I love solving hard problems, optimizing performance, and shipping reliable software that users rely on. I bring a versatile foundation in cryptography, blockchain, and mobile app development, and I’m now expanding into full-stack modern web development. I enjoy collaborating across teams, mentoring others, and continuously learning new technologies.

Ratul Antik Das

Back-End Developer, Full Stack Developer, Blockchain Developer, +2

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Hi there! I’m a backend-focused software engineer with over 9 years of diverse experience building scalable microservices and distributed systems. I love solving hard problems, optimizing performance, and shipping reliable software that users rely on. I bring a versatile foundation in cryptography, blockchain, and mobile app development, and I’m now expanding into full-stack modern web development. I enjoy collaborating across teams, mentoring others, and continuously learning new technologies.…Hi there! I’m a backend-focused software engineer with over 9 years of diverse experience building scalable microservices and distributed systems. I love solving hard problems, optimizing performance, and shipping reliable software that users rely on. I bring a versatile foundation in cryptography, blockchain, and mobile app development, and I’m now expanding into full-stack modern web development. I enjoy collaborating across teams, mentoring others, and continuously learning new technologies.

Available to hire

Hi there! I’m a backend-focused software engineer with over 9 years of diverse experience building scalable microservices and distributed systems. I love solving hard problems, optimizing performance, and shipping reliable software that users rely on.

I bring a versatile foundation in cryptography, blockchain, and mobile app development, and I’m now expanding into full-stack modern web development. I enjoy collaborating across teams, mentoring others, and continuously learning new technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Bengali

Fluent

English

Advanced

Work Experience

Software Engineer (Backend) at Agoda Services Co. Ltd.

March 1, 2023 - October 1, 2025

Architected backend APIs for a voting service, optimized caching strategies and database performance, and engineered a periodic job queue for partial result calculations, significantly reducing response times. Streamlined onboarding and customer notifications by integrating NICE identity verification with AWS SNS/SES. Built a blockchain gateway service bridging backend architectures with decentralized networks, integrating Hyperledger Fabric, Ethereum, and Bitcoin clients. Led fintech mobile payments features for Android and iOS apps with a custom TLV format decoder compliant with EMV specifications.