Echoes Fans is seeking a Back-End Developer to build and maintain the core infrastructure for their audio story platform on Solana. The role involves developing API routes, managing data pipelines, integrating permanent storage solutions like Arweave, and implementing backend logic for token launches, fee sharing, and reward distribution. The goal is to scale the platform and enhance its functionality for creators and users.

About Echoes FansEchoes is the ownership layer for audio stories on Solana. Record your story, tokenize it, store it on Arweave forever, and earn from every trade — permanently. We're building for the people whose voices matter most but who have never had a platform built for them.Scope of WorkYou'll own the infrastructure that makes Echoes work at scale. Specifically:<ul class="list-node"><li>Building and maintaining API routes, Supabase schema, and data pipelines</li><li>Integrating Arweave permanent storage into the publish flow</li><li>Managing Cloudflare R2 upload infrastructure and presigned URL logic</li><li>Deepening Bags API integration for token launches and fee sharing</li><li>Integrating QVAC/ElevenLabs for transcription and audio upscaling</li><li>Building backend logic for competitions, prize pools, and reward distribution</li></ul>Required Qualifications<ul class="list-node"><li>Strong proficiency in TypeScript and Node.js</li><li>Experience with Supabase, REST APIs, and serverless architecture (Next.js API routes)</li><li>Familiarity with Solana ecosystem — Anchor, web3.js, SPL tokens</li><li>Experience with file storage infrastructure (S3-compatible, Arweave, IPFS)</li><li>Understanding of on-chain fee mechanics and token economics is a strong plus</li><li>Portfolio of shipped products — we want builders, not candidates</li></ul>Compensation<ul class="list-node"><li>Remote-first, async collaboration</li><li>5,000+ USDC/year (increases post-funding)</li><li>Token allocation in $ECHOES</li></ul>

Back-End Developer For Echoes Fans