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I'm a Full-Stack Engineer with 5+ years of experience building high-performance fintech and cryptocurrency platforms. I specialize in scalable mobile apps with Flutter and robust web ecosystems using React/Next.js/Node.js, with a focus on real-time data handling and financial security. I've led end-to-end crypto exchange projects and optimized cloud infrastructure on AWS, delivering reliable, scalable systems and improving performance up to 60%. I'm comfortable with AWS Lambda/Cognito, Hasura, PostgreSQL, and CI/CD, and I enjoy collaborating across cross-functional teams to deliver secure financial software.…I'm a Full-Stack Engineer with 5+ years of experience building high-performance fintech and cryptocurrency platforms. I specialize in scalable mobile apps with Flutter and robust web ecosystems using React/Next.js/Node.js, with a focus on real-time data handling and financial security. I've led end-to-end crypto exchange projects and optimized cloud infrastructure on AWS, delivering reliable, scalable systems and improving performance up to 60%. I'm comfortable with AWS Lambda/Cognito, Hasura, PostgreSQL, and CI/CD, and I enjoy collaborating across cross-functional teams to deliver secure financial software.

Dulbadrakh Divaanansal

Full Stack Developer, Web Developer, Front-End Developer, +3

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I'm a Full-Stack Engineer with 5+ years of experience building high-performance fintech and cryptocurrency platforms. I specialize in scalable mobile apps with Flutter and robust web ecosystems using React/Next.js/Node.js, with a focus on real-time data handling and financial security. I've led end-to-end crypto exchange projects and optimized cloud infrastructure on AWS, delivering reliable, scalable systems and improving performance up to 60%. I'm comfortable with AWS Lambda/Cognito, Hasura, PostgreSQL, and CI/CD, and I enjoy collaborating across cross-functional teams to deliver secure financial software.…I'm a Full-Stack Engineer with 5+ years of experience building high-performance fintech and cryptocurrency platforms. I specialize in scalable mobile apps with Flutter and robust web ecosystems using React/Next.js/Node.js, with a focus on real-time data handling and financial security. I've led end-to-end crypto exchange projects and optimized cloud infrastructure on AWS, delivering reliable, scalable systems and improving performance up to 60%. I'm comfortable with AWS Lambda/Cognito, Hasura, PostgreSQL, and CI/CD, and I enjoy collaborating across cross-functional teams to deliver secure financial software.

Available to hire

I’m a Full-Stack Engineer with 5+ years of experience building high-performance fintech and cryptocurrency platforms. I specialize in scalable mobile apps with Flutter and robust web ecosystems using React/Next.js/Node.js, with a focus on real-time data handling and financial security.

I’ve led end-to-end crypto exchange projects and optimized cloud infrastructure on AWS, delivering reliable, scalable systems and improving performance up to 60%. I’m comfortable with AWS Lambda/Cognito, Hasura, PostgreSQL, and CI/CD, and I enjoy collaborating across cross-functional teams to deliver secure financial software.

Skills

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Work Experience

Full-Stack Developer at RGX (Crypto Exchange)

October 1, 2023 - Present

Leading the end-to-end development of a regional crypto exchange platform (rgx.com.kh) using Flutter, Next.js, and AWS. Implementing secure API integrations and real-time order book visualizations to provide a seamless trading experience.

Full-Stack Engineer at X-META LLC (Crypto Exchange)

September 1, 2023 - March 1, 2026

Engineered and maintained high-traffic crypto exchange features using Flutter, Node.js, and Next.js, ensuring 24/7 availability for real-time financial trading. Architected a complete overhaul of the mobile app’s legacy codebase, boosting runtime performance and UI responsiveness by about 60%. Optimized cloud infrastructure with AWS Lambda and Cognito, improving security and authentication for thousands of users. Used AWS CloudWatch for proactive monitoring and incident resolution.

Mobile Developer at Omnitech LLC

March 1, 2021 - September 1, 2023

Developed a complex Fintech application for non-banking financial institutions (NBFI) with micro-loans and integrated e-commerce leasing modules. Resolved memory leaks using Flutter DevTools to reduce crashes on low-end devices. Built efficient data layers using Hasura, GraphQL, and PostgreSQL to optimize loan processing and inventory management.