Senior TypeScript Blockchain Engineer

На данный момент Senior full stack developer.

Мои компетенции и опыт

Leo Wei

SUMMARY

Senior Full Stack Engineer with 9+ years of experience in TypeScript, нужен доступ к резюме , high-load real-time systems, and blockchain/DeFi integrations. Proven ability to design, develop, and optimize backend services handling thousands of transactions per second. Expert in Solana blockchain (wallet integration, transactions, SPL tokens, programs), trading SDKs ( нужен доступ к резюме , Birdeye, Jupiter, Serum), RPC/WebSocket providers (Helius, QuickNode, Triton), microservices, and modular architectures. Experienced in team leadership, mentoring, code review, cross-functional collaboration, and product-driven development. Skilled in high-load system architecture, real-time analytics, cloud infrastructure (AWS, Docker), and DevOps practices.

PROFESSIONAL EXPERIENCE

Senior Full Stack Developer

Micron

Sep 2023 – Present Riga, Latvia

• Architected and implemented TypeScript services for Solana blockchain operations, including wallet integrations, transaction signing, order execution, swap functionality, and token management.
• Integrated with Solana RPC/WebSocket providers (Helius, QuickNode, Triton) to process real-time blockchain data, handle mempool events, and track transactions.
• Connected and optimized trading APIs/SDKs such as нужен доступ к резюме , Birdeye, Jupiter, and Serum for automated and manual trading operations.
• Built high-load microservices capable of processing thousands of transactions per second, ensuring low latency and high reliability.
• Implemented real-time analytics and monitoring systems, including logging, alerting, and performance dashboards.
• Led a small development team: conducted code reviews, assigned tasks, mentored junior developers, and ensured adherence to best practices.
• Developed gRPC and REST APIs for seamless integration with Python-based backend services.
• Leveraged AI-powered coding assistants (GitHub Copilot, Claude, Gemini) to accelerate development, debug issues, and ensure code quality.
• Applied test-driven development, writing unit and integration tests to ensure maintainable, scalable, and production-ready code.

Full Stack Developer

UNECOS SOLUTIONS

Apr нужен доступ к резюме Sep 2023 Riga, Latvia

• Developed нужен доступ к резюме backend services for high-load financial and trading applications, implementing microservice architecture for scalability and maintainability.
• Integrated with real-time blockchain APIs, trading platforms, and payment gateways, handling large volumes of transactions securely and efficiently.
• Designed and optimized PostgreSQL databases, writing complex queries and performing indexing for high-performance data retrieval.
• Built asynchronous job pipelines for transaction processing, notification systems, and data aggregation using queues and event-driven patterns.
• Collaborated with Python and frontend teams to ensure cross-service communication via REST/gRPC APIs, enabling consistent and reliable data flow.
• Mentored junior developers on TypeScript, нужен доступ к резюме , real-time systems, microservice design, and best practices, elevating team skill levels.
• Conducted code reviews, system architecture discussions, and performance optimizations, ensuring adherence to clean code principles and SOLID design.
• Implemented monitoring, logging, and alerting systems for operational reliability and performance tracking in production.

Frontend Developer

Onez

• Developed interactive frontend interfaces integrated with нужен доступ к резюме backend services, dashboards, and analytics platforms.
• Assisted backend teams with API integration, real-time WebSocket connections, and transaction data visualization.
• Participated in legacy code refactoring, modularizing front-end and backend modules for maintainability.
• Contributed to version control, collaborative development, and code review processes, ensuring high-quality and reliable code.

Designed dynamic UI components to visualize transaction flows, blockchain status, and user dashboards in real-time

EDUCATION

The Hong Kong University of Science and Technology

May нужен доступ к резюме May 2016 Hong Kong

нужен доступ к резюме in Computer Science & Applied Mathematics

LANGUAGES

English

SKILLS

• Blockchain & DeFi:
  Solana blockchain (transactions, programs, SPL tokens, mempool), wallet integration, transaction signing, order execution, swaps, trading SDKs ( нужен доступ к резюме , Birdeye, Jupiter, Serum), RPC/WebSocket integrations, Python backend integration, Rust awareness, DeFi product development, high-load trading systems
• Backend Development:
  TypeScript, нужен доступ к резюме , microservices, modular architecture, high-load system design, REST/gRPC APIs, asynchronous processing, event-driven design, real-time data pipelines, test-driven development, code review
• Databases & Data Management:
  PostgreSQL, query optimization, indexing, high-throughput transactions, complex SQL queries, performance tuning, schema design, data normalization
• Cloud & DevOps:
  AWS (S3, RDS, SQS, Cognito), Docker, CI/CD pipelines, monitoring, logging, alerting, Terraform basics
• Frontend Integration & APIs:
  WebSocket streams, real-time dashboards, API consumption, dynamic data visualization
• Leadership & Collaboration:
  Team leadership, mentoring, task delegation, Agile/Scrum workflows, cross-functional collaboration, product-oriented development, architecture design
• AI-Assisted Development:
  GitHub Copilot, Claude Code, Gemini Code Assist, automated code generation, debugging, rapid prototyping