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Salary
≈ $137k – $229k per year (Estimated)
Location
Remote (United States)
Seniority
Senior · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Nov 21, 2025.

Overview
Company
Impact
Profile match
IESF Group is a Swiss recruitment and management consulting firm working in Switzerland, Bulgaria and Eastern Europe. It recruits AI and ML engineers, cloud solutions engineers, PHP and Java developers for clients such as a supplier of eCustoms software to European Union institutions, with roles in Brussels, Luxembourg and Vienna. The firm is based in Switzerland.

Our client is an US based company, operating within the crypto economy and is supported by top tier funds. The company is focussed to connect capital to the most attractive risk adjusted yield across chains.

The company is growing its valued engineering team and we are looking for a skilled Senior Web3 Back End Engineer (fully remote role).

Tasks

We are seeking for a seasoned backend engineer with sharp web3 expertise.

You will help design and scale the infrastructure that powers a multichain yield platform.

If you enjoy building real systems rather than prototypes, you could be an excellent match.

Core Tasks

  • Take ownership of core backend systems for a multichain yield engine

  • Shape how on chain yield products evolve in the coming years

  • Join early and influence product, architecture and culture

Requirements

Your Profile:

  • 3 or more years of experience building and launching production web3 backend systems
  • Strong experience integrating with protocols and smart contracts, including complex transaction flows and RPC interactions
  • Solid understanding of EVM internals, smart contract design patterns and industry best practices
  • Comfortable with tools such as Tenderly, ethers, viem and wagmi
  • Able to push through technical challenges with creativity and persistence
  • Comfortable working independently in an environment with a shifting context
  • Care deeply about building things that users trust
  • Care about a secure, fault-tolerant, and maintainable infrastructure

Nice to Have

Experience deploying smart contracts to mainnet and EVM-compatible networks

  • Solidity DeFi protocols development
  • JavaScript BE with NodeJS

Benefits

Fast growing company with excellent work environment.

Flexibility and great salary range!

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