Lootrushs
Lootrushs engineering team

Engineering

Senior Backend Engineer, Go

Own Go services around the chain — indexers, relayers, APIs, and workers — on BrickFi and client products.

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Full-timePart-timeAdvisorySeniorRemoteGo · blockchain services

Compensation

Full-time
$165k–$208k / year
Part-time
$95–$120/hr · 15–25 hrs / week

15–25 hours a week. Billed hourly.

Advisory
$950–$1,200/day · 1–4 days / month

Day rate for reviews, working sessions, and office hours. Typical cadence is 1–4 days a month. A monthly retainer is an option in the offer.

All figures are USD cash, remote, with US Eastern overlap. Location and the client brief can move the number. Token or equity only appears if that client has it.

Own Go services around the chain — indexers, relayers, APIs, and workers — on BrickFi and client products.

This is a backend seat, not a protocol-language seat. You write Go that indexes events, submits and watches transactions, and serves the APIs product and ops need. Contract engineers own the on-chain logic. You own the process that does not drop a log, double-submit, or stall when RPC gets noisy. Current load includes BrickFi reporting and client indexers or relayers. You review mid-level Go. You will not be asked to also own the dApp UI.

How hiring works

Roles are posted by Lootrushs as full-time, part-time, or advisory — pick one on the form. We source, screen, and interview — or a client introduces a candidate to us. After you pass our process, you may interview with the client company. If both sides agree, you join through Lootrushs and work on that client’s product.

What you will do

  • Design and ship Go services that talk to EVM, Solana, or other chains we support.
  • Build indexers, relayers, and workers that handle reorgs, retries, and backfill.
  • Expose APIs and jobs product and ops can rely on — not a script that only you can run.
  • Treat RPC, mempool, and key use as failure domains: timeouts, rate limits, and signing isolation.
  • Review Go PRs for correctness, context cancellation, and observability.
  • Work with contract and DevOps engineers on ABI or account changes and deploy order.
  • Join client scoping when the work is Go infra next to a protocol.
  • Leave a runbook: what to restart, what to backfill, what means the chain is lying.

What you bring

  • 5+ years production Go.
  • You have shipped software that talks to a blockchain — indexer, relayer, node-adjacent service, or equivalent — not only a REST API.
  • Comfort with SQL or a store, queues, and concurrent workers.
  • You can read a contract ABI or Solana account layout well enough to catch a mismatch.

Nice to have

  • go-ethereum
  • Cosmos or Solana Go clients
  • PostgreSQL
  • RWA / payments / custody