🚀 Full Stack Blockchain Engineer | Backend & Distributed Systems
📍 Chennai, India

I’m a Full Stack Blockchain Engineer with 3.7+ years of experience designing and owning production-grade Web2 and Web3 systems.
Currently working on wallet infrastructure, blockchain protocol upgrades, backend systems, and performance optimization for live mainnet applications.

I specialize in:

• Backend & distributed systems
• Blockchain infrastructure & wallet services
• Multithreading & performance engineering
• Production-grade system design

I enjoy building high-performance, reliable systems that run at scale in real-world environments.

May 2022 – Present | Chennai, India

• Designed and maintained backend services for a production Light Wallet Service supporting real-time mainnet users
• Implemented locked / unlocked balance computation by enhancing wallet scanning logic, database schemas, and REST APIs
• Improved blockchain rescan and wallet sync performance by ~3× using a thread-pool based multi-threaded architecture
• Delivered a major blockchain hard fork by integrating Bulletproofs+ across transaction creation, verification, and validation
• Built Master Node registration and staking flows with key-image proofs and locked fund handling
• Refactored and optimized RPC endpoints, improving latency, consistency, and reliability
• Resolved multiple production issues related to balances, serialization, DB mappings, and runtime stability

Dec 2021 – May 2022 | Kolkata, India

• Trained in C++, Java, Python, Unix, Oracle SQL/PLSQL, and software engineering fundamentals
• Solved algorithmic coding challenges and participated in integrated capability tests

• C++, Java, Python, Go, Rust
• JavaScript (ES6+), TypeScript, Solidity
• SQL

• Node.js, Express.js, REST APIs
• JWT / OAuth Authentication
• Microservices Architecture
• Multithreading & Concurrency
• Performance Optimization
• Memory Management & RPC

• Wallet Infrastructure & Light Wallet Services
• Transaction Lifecycle & Validation
• Protocol Upgrades (Bulletproofs+)
• Smart Contracts (Ethereum)
• Hardhat, Truffle, Ethers.js, Web3.js
• On-chain / Off-chain Interaction

• MySQL, MongoDB
• Indexing & Query Optimization

• Git, GitHub, GitLab
• Docker, Postman
• Linux, VS Code
• CI/CD, Cron Jobs

Feb 2025 – Jun 2025

• Designed a routing system to compute safe and optimal paths for defense use cases
• Implemented BFS, DFS, Dijkstra, and A* on weighted graphs
• Applied Greedy heuristics and Minimum Spanning Tree (MST) concepts for route optimization
• Built efficient logic for shortest-path computation

Master of Computer Applications (MCA)
Birla Institute of Technology, Mesra — SGPA: 9.03

Bachelor of Science in Information Technology
Ranchi University — 78.42%

• Backend optimization for blockchain wallet services
• High-performance data processing pipelines
• Protocol-level blockchain improvements
• Distributed system design patterns

• 💼 LinkedIn: linkedin.com/in/anand-kumar5
• 📧 Email: akyadav816@gmail.com
• 💻 GitHub: github.com/Anand-git

⭐ Always interested in backend systems, blockchain infrastructure, performance engineering, and building scalable production systems.