Hire the Best Smart Contracts Developers
in Vietnam

Backend and blockchain engineer with 4 years of software engineering experience building scalable backend systems, blockchain-integrated platforms, payment flows, data feeds, blockchain indexers, AI wallet agents, and distributed services. Strong experience with Node.js, TypeScript, Golang, Solidity, MongoDB, PostgreSQL, RabbitMQ, Redis, and GCP, with hands-on work across smart contracts, blockchain integrations, wallet/payment flows, Chainlink OCR, blockchain indexing, x402 payments, Cosmos SDK and cross-chain systems. Experienced in collaborating with remote engineering teams and delivering products in distributed work environments.

- Ability to lead a team, give some solutions for a specific problem and suffer under high pressure at work. - Senior developer with 10+ years of experience working with large scale and high-performance distributed systems. - Fluency in Solidity, Go, Rust, Nextjs, Nodejs, Reactjs and Typescript. - Experience with blockchain technologies: Metamask, BSC scan, ETH scan, getblock io, Molaris apis, Opensea... - Experience with AI: Tensorflow, Pytorch, AutoML, LLM, RAG. - Backend: Nodejs, Python, Golang. - Frontend: Reactjs, Vuejs. - Concepts: OOAD, Design Pattern, Data Structure and Algorithms, ER Diagram. - Databases: Postgres, Mysql, MongoDB, AWS Cognito/Dynamo, Redis. - OS: MacOS, Linux (Ubuntu, Centos), Docker, Docker-composer. - AWS serviecs: EC2, ELB, SES, S3, RDS, CI/CD...

As an experienced Blockchain Developer, I specialize in building decentralized applications (dApps) and smart contracts with a focus on secure, efficient systems. Proficient in Rust and Next.js, I develop high-performance applications, leveraging both front-end and back-end technologies. My background includes working on a range of blockchain projects, from protocol-level development to user-friendly interfaces. I am passionate about delivering innovative solutions, optimizing performance, and ensuring scalability.

I am a Freelance Blockchain Developer and I specialize in products development about NFTs, DEFI, and Marketplace that can help you integrate blockchain into your project. *I can help you increase quality by: 1. Suggest ideas and design architecture corresponding to the topic of product 2. Solve some problem involved in intermediately security *My strength: 1. I am willing to work and learn 12-16 hours a day to make sure you get the results that you want. Unless you absolutely don't need to pay me a single cent. 2. I am always looking for a long-term relationship so that's why the fee for our:(You and I) first project is not really important. My goal is to help you get the result that you want I believe that it will set a great solid foundation for our long-term relationship 3. I don't want to be unrealistic. Let's break it down. I cannot promise that I can 100% deliver the result that you are looking for but I can guarantee that you will be pleased in all cases because I will always try my best. Unless, as I mentioned before, you definitely don't have to pay me anything. If you're interested in what I said, just text me a message and I'd be more than happy to give you some suggestions. Signer Stephen S