Track This Job
Add this job to your tracking list to:
- Monitor application status and updates
- Change status (Applied, Interview, Offer, etc.)
- Add personal notes and comments
- Set reminders for follow-ups
- Track your entire application journey
Save This Job
Add this job to your saved collection to:
- Access easily from your saved jobs dashboard
- Review job details later without searching again
- Compare with other saved opportunities
- Keep a collection of interesting positions
- Receive notifications about saved jobs before they expire
AI-Powered Job Summary
Get a concise overview of key job requirements, responsibilities, and qualifications in seconds.
Pro Tip: Use this feature to quickly decide if a job matches your skills before reading the full description.
About Company:
Holder.io
✦ Job Description:
Something Tools is looking for a Middle+ Full-Stack Developer with solid experience in Solana and understanding of EVM. The role focuses on building high-load backend and DeFi trading integrations with a small, fast-moving team that values clean code and independence.
Key Responsibilities:
– Develop business logic for the frontend (data/state/performance focus)
– Integrate frontend with backend (REST/WebSocket) including SDKs, retries, and idempotency
– Scale solutions across multiple blockchains (Solana → EVM/Monad)
– Build lightweight backend services (BFF, proxy, CRUD, hooks)
– Work with PostgreSQL (indexes, optimization) and Redis (TTL/invalidation)
– Review and mentor frontend developers
✦ Qualifications:
– 3–5+ years with TypeScript/Node.js
– Proven experience in DeFi/AMM projects
– Knowledge of wallets, transactions, SPL/ERC standards
– Work with DeFi aggregators (Jupiter, 1inch)
– Experience with real-time and high-load architectures
– Familiarity with trading systems or bots
✦ Preferred Qualifications:
– Skills in Rust, Python, or Solidity
- – Experience with monitoring tools (Prometheus, Grafana, Sentry)
Key Skills
Ranked by relevanceReady to apply?
Join Holder.io and take your career to the next level!
Application takes less than 5 minutes