Hashtag Web3 Logo
Janus logo

Blockchain Engineer

Janus
Remote · EuropePosted 41 days ago
Apply

Janus is hiring a Blockchain Engineer in Full-Time — Remote · Europe.

The blockchain engineer will be responsible for integrating on-chain and fintech solutions, focusing on payments and credit for freight forwarders. This role involves building and managing financial products that utilize stablecoins and other blockchain technologies.

Responsibilities

  • Design and build a routing proxy across multiple money orchestrators and stablecoin on/off-ramp providers.
  • Own the architecture decisions for cross-border settlement flows.
  • Integrate tokenized yield sources for customer balances.
  • Build curated vaults for managing customer assets.
  • Help tokenize shipment documents and receivables for lenders.

Requirements

  • Fintech
  • Blockchain
  • Payments
  • DeFi

Nice to Have

  • Card issuing / card program integration experience
  • Mobile app development experience (banking / consumer fintech)
  • Experience running validators or node infrastructure (we are considering spinning up our own validators on several networks)
  • Experience with RWA tokenization, vault architectures, or DeFi credit primitives
  • Prior startup or zero-to-one environment

About Janus

Janus builds high-performance execution algorithms, routing architecture, and liquidity tooling designed specifically for the Solana blockchain. Focused on low-latency transaction delivery, MEV protection, and optimal price execution, Janus powers seamless DeFi interactions for protocols and automated traders. The team works at the intersection of Solana validator mechanics, transaction scheduling, and distributed trading systems. Engineering culture is focused on microsecond optimization, Rust protocol development, and on-chain market microstructure. On Hashtag Web3, Janus has 2 active roles listed — including Soroban / Rust Smart Contract Specialist, Blockchain Engineer in Remote · Europe.