swapniljogdand

Blockchain Developer | Solidity · Avalanche L1 · Smart Contracts · Full Stack · Ai/Ml

 

Blockchain Developer with ~2 years of experience building production-grade Web3 systems. Currently at Rainfall building Monsoon Chain — an Avalanche Subnet-EVM L1 — covering smart contract development (Solidity, Hardhat, Foundry), validator infrastructure, Blockscout explorer deployment, and on-chain indexing with Ponder and The Graph. 

Also experienced in Full Stack development (Next.js, Node.js, TypeScript, PostgreSQL) and AI/ML (Python, PyTorch, LangChain, FastAPI). 

Open to remote Blockchain Engineer, Smart Contract Developer, Full Stack Web3, and Backend Engineer roles. Available immediately. 


Experience: 2 years

Yearly salary: $40,000

Hourly rate: $20

Nationality: 🇮🇳 India

Residency: 🇮🇳 India


Experience

Blockchain Developer
Rainfall.one
2025 - 2026
Built Monsoon Chain (Avalanche Subnet-EVM L1) — subnet creation, PoS Staking Manager deployment, validator node operations, Blockscout explorer deployment on testnet and mainnet. Developed Solidity smart contracts (ERC-20, OpenZeppelin) using Hardhat and Foundry. Built on-chain indexing pipelines with Ponder and The Graph. Integrated dApp frontends with Next.js, Ethers.js, and TypeScript.
Software Engineer Trainee
Pure Soft Solutions
2024 - 2025
Built NLP and computer vision solutions using Python, PyTorch, and Hugging Face, improving efficiency by 30%. Developed REST APIs with Flask and FastAPI. Built Conversational AI system with TTS/STT and ML-based purchase prediction.

Skills

api
blockchain-engineer
dapp
defi
docker
erc-20
erc-721
ethereum
full-stack
git
graphql
hardhat
linux
machine-learning
nextjs
nlp
node
openzeppelin
postgres
python
pytorch
smart-contract
solidity
typescript
web3
web3js
zk-rollup
english
hindi
marathi