Software Engineer Intern at Good Finance Securities

Engineered high-concurrency Java microservices and RESTful APIs supporting 10,000+ simultaneous users, focusing on horizontal scalability and fault-tolerant system design. Refactored a monolithic architecture into a SOA, decoupling modules and reducing internal review times by 47%. Developed back-end security modules and automated CI/CD pipelines via GitLab, accelerating feature release velocity by 20% while maintaining high code quality.

Software Engineer Intern at Equities

Architected and optimized Java microservices and RESTful APIs on AWS, achieving 40% reduction in query latency and boosting internal operational efficiency by 73%. Designed and deployed a responsive transaction-management system using TypeScript and React Native, focusing on intuitive UI/UX to streamline complex financial workflows for internal stakeholders. Strengthened system observability and reliability by defining rigorous API contracts and integrating cloud monitoring standards for critical service-to-service communication.

Remote Software Engineer Intern (Full-Stack) at e-closet

Remote full-stack internship. Architected a high-availability Java Spring Boot backend for a clothes rental platform, using Redis distributed locking and PostgreSQL to manage inventory for 10,000+ users with 99.99% uptime. Designed 50+ modular gRPC and REST APIs, automating order synchronization and validation to reduce manual processing by 25% and cut system overhead by 20%. Implemented an RAG pipeline with LangGraph and ChromaDB to improve item discovery and recommendation relevance by 35%.

Software Engineer Intern at Prospect Equities

Re-engineered a cross-platform Transaction Management System using React Native and TypeScript; optimized state management to increase throughput by 73%. Tuned AWS RDS (PostgreSQL) microservices with connection pooling and indexing, reducing p99 latency by 40% and ensuring stability during peak traffic. Enhanced system observability with structured logging and automated CI/CD pipelines (Docker + GitHub Actions), reducing deployment time by 30%.

Software Engineer at Good Finance Securities

Designed and owned high-concurrency microservices using Go and gRPC for a trading platform with 10,000+ DAU and $350M in assets, achieving 99.9% reliability. Improved API responsiveness by 23% through architectural decoupling and asynchronous message processing with Kafka, ensuring consistency across global nodes during peak volatility. Developed biometric authentication module using Swift with 99.9% fraud prevention and achieved compliance with financial security standards. Led end-to-end development of the securities account opening flow on iOS (Swift) using VIPER, resulting in a 10% increase in new account conversions. Optimized delivery velocity by orchestrating Fastlane and GitLab CI/CD pipelines integrated with Amplitude analytics; accelerated release cycles by 20% and reduced MTTR by 30%.