Remote Backend Engineer - DeFi Solver & Cross-Chain Quotes

Worky; United States; On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Competitive base salary

Equity package

Comprehensive health benefits

Unlimited PTO

Remote-first culture

Job summary

Relay is a cross-chain payments protocol that provides instant, low-cost cross-chain bridging, swaps, and transactions. As a Solving Engineer, you will build and own the software that generates quotes, routes trades across on-chain and off-chain venues, and fills user requests end-to-end.

This is a high-impact, high-ownership role with direct impact on latency and profitability. This position focuses on extending chain VM support, owning the chain integration layer, and designing trust-minimized

Qualifications

• Strong TypeScript/Node.js backend experience.
• Experience integrating with on-chain protocols and contracts.
• Solid understanding of DeFi primitives: AMMs, liquidity, routing.
• Ability to own multi-stage pipelines from idea to production.
• Proven reliability with observability and edge-case handling.

Responsibilities

• Extend Relay's support to new chain VMs by writing and auditing on-chain contracts.
• Own the chain integration layer, including settlement contracts and multisig infra.
• Design and implement trust-minimized settlement flows for verifiable settlement.
• Collaborate to ensure protocol primitives support efficient quote generation and routing.
• Investigate and resolve protocol-level incidents such as RPC failures and timeouts.
• Contribute to open-source protocol specs and developer docs.

Skills

TypeScript / Node.js

On-chain integration

DeFi primitives understanding

Reliability & observability

Tools

BullMQ

Redis

Git

Job description

Relay is a cross-chain payments protocol that provides instant, low-cost cross-chain bridging, swaps, and transactions. As a Solving Engineer, you will build and own the software that generates quotes, routes trades across on-chain and off-chain venues, and fills user requests end-to-end.

This is a high-impact, high-ownership role with direct impact on latency and profitability. This position focuses on extending chain VM support, owning the chain integration layer, and designing trust-minimized