Blockchain Engineer

Location:

Experience:

Type:

Role Overview

Blockchain Backend Engineer

What You’ll Do

• Build and maintain backend services using

  Python + FastAPI

  .
• Write blockchain-specific modules in

  Rust

  (Solana) and

  Node/Python

  (EVM).
• Develop and integrate smart contracts across

  Solana and EVM chains

  .
• Work with

  Web3 libraries

  (ethers.js, web3.py, anchor, etc.) to handle chain interactions.
• Architect scalable services deployed on

  AWS

  .
• Collaborate with the product team to design APIs for frontend and mobile apps.
• Optimize performance, reliability, and cost efficiency of infrastructure.

What We’re Looking For

• Strong backend engineering experience with

  Python (FastAPI preferred)

  .
• Solid understanding of

  Solana (Rust/Anchor)

  and

  EVM (Solidity/Node/Web3)

  ecosystems.
• Experience writing and deploying smart contracts.
• Proficiency with

  AWS

  (Lambda, EC2, S3, etc.) and backend infra management.
• Familiarity with event-driven architecture and WebSocket/real-time APIs.
• Problem-solving mindset, capable of working independently in a fast-paced startup.

Nice to Have

• Knowledge of security best practices for blockchain systems.
• Previous experience in identity, wallets, or proof-of-personhood solutions.
• Contributions to open-source blockchain projects.

Perks

• Work directly with the founding team building Mercle.
• Solve real technical challenges at scale.
• Be part of a project shaping the future of AI internet.