RGAbout Rong
Results-driven Senior Full Stack Developer with extensive experience designing, building, and scaling modern applications across web, mobile, and blockchain ecosystems. Skilled in architecting robust backends, creating seamless user experiences, and implementing secure DevOps pipelines. Adept at leading end-to-end development lifecycles, from concept to deployment, with a strong focus on performance, scalability, and security.
Core Expertise:
- Full Stack Development: Proficient in modern JavaScript/TypeScript frameworks (React, Next.js, Node.js, Express), backend services (Java, Kotlin, Go, Python), and API design (REST, GraphQL, gRPC).
- Mobile Development: Strong experience with Android (Kotlin, Java) and iOS (Swift, React Native, Flutter), delivering scalable and user-friendly applications.
- Web3 & Blockchain: Hands-on with Ethereum, Solidity, smart contracts, DApps, DeFi, NFTs, wallet integrations, and Web3.js/Ethers.js. Experience building blockchain-based payment systems and decentralized applications.
- DevOps & Cloud: Expertise in AWS, GCP, CI/CD, Terraform, Kubernetes, Docker, monitoring (Prometheus, Grafana), and security best practices. Skilled at managing distributed systems, scaling infrastructure, and automating deployments.
- Database & Storage: Deep knowledge of SQL (Postgres, MySQL), NoSQL (MongoDB, Redis), and decentralized storage (IPFS, R2, S3).
Strengths:
- Leading cross-functional teams and mentoring junior developers.
- Driving adoption of modern practices in security, scalability, and DevOps automation.
- Bridging Web2 and Web3 by integrating blockchain with existing applications.
- Delivering mobile-first solutions with smooth, secure, and responsive interfaces.
English
Native or bilingual
Can work on-site
East Los Angeles (up to 50km)
Experience
- SoftwareCentralSenior Full Stack DeveloperSOFTWARE PUBLISHINGMarch 2021 - May 2025 (4 years and 2 months)Designed and implemented microservices for a real-time messaging platform using Kotlin and Spring Boot.Built and maintained CI/CD pipelines (GitHub Actions → AWS CodeDeploy) to reduce release time from weekly to daily.Improved API response latency by 38% through query optimization and caching with Redis.Wrote integration tests and mentored two junior engineers; code coverage increased from 52% to 82%.
- FinTech & Blockchain StartupSenior Full Stack Developer & Web3 EngineerMay 2020 - March 2024 (3 years and 10 months)Led the architecture and development of a multi-chain payment gateway supporting BTC, ETH, USDT, and XMR, integrating with Web3 wallets and traditional APIs.Built secure smart contracts in Solidity and integrated them into decentralized apps using Ethers.js and Web3.js.Designed and deployed CI/CD pipelines with GitHub Actions, Terraform, and Kubernetes on AWS for high-availability blockchain services.Developed an Android wallet app (Kotlin) with real-time transaction monitoring and push notifications via WebSockets.Scaled infrastructure to handle 100k+ transactions/month with automated monitoring and alerting (Prometheus, Grafana, CloudWatch).
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Education
- Bachelor of Science in Computer ScienceYanji Computer Tech University2025Certifications & Continuous Learning AWS Certified Solutions Architect – Associate Certified Kubernetes Administrator (CKA) Ethereum & Solidity Developer Certification (online program, e.g., ConsenSys Academy / Udemy) Regularly self-learn and contribute to open-source projects in Web3, DevOps automation, and mobile frameworks.