Solana + Backend Engineer

As a Solana + Backend Engineer at TheFactual, you own the part of the platform that moves money and the backend behind it. TheFactual is launching a crypto trading platform for phone traders: sign up in seconds, trade in one tap, one honest fee. You'll work closely with the frontend engineer and founders, using AI tools to move fast while owning quality and correctness.

What you'll do

• Build and maintain the trade path: swap routing through Jupiter, sponsored-gas transactions, landing and confirming transactions, and the fee ledger
• Build the backend API, live price pipeline and creator commission module in Go or TypeScript, with Postgres and Redis
• Set up and run infrastructure on AWS, with CI/CD, monitoring and alerts
• Write tests, runbooks and documentation as you build
• Debug and resolve production issues quickly
• Follow security best practices for anything that touches funds

What you bring

• 3+ years of backend engineering experience
• Shipped at least one product to Solana mainnet that handled real user funds
• Strong skills in Go, TypeScript or Rust, with Postgres and Redis in production
• Hands-on experience with transactions, RPC providers and handling failures such as retries, blockhash expiry, and priority fees
• Experience using AI coding tools and reviewing what they write
• Clear written English

Nice to have

• Experience with Jupiter, Helius or Jito
• AWS and Terraform
• Experience with fintech, trading or exchange systems

What we offer

• Fixed salary of 60,000 to 80,000 per month
• Launch performance bonus
• 100% remote with flexible hours and one fixed hour of daily overlap
• Company-paid AI tools
• Real ownership and the chance to work on a product from the ground up

About TheFactual

TheFactual builds fintech products for financial markets, launching with a crypto trading platform for phone traders.