Senior Backend Developer (Crypto Wallet)
Solflare · Zagreb
Opis radnog mjesta
About the role
As a Senior Backend Developer at Solflare you will design, build and maintain the backend infrastructure for a fast‑growing crypto wallet platform, ensuring high performance, security and scalability.
Key responsibilities
- Design and implement scalable backend services and micro‑services architecture.
- Develop APIs, integrate third‑party services and Solana RPCs.
- Manage PostgreSQL and MongoDB databases, ensuring data integrity and security.
- Implement caching with Redis and background processing with BullJS and Cron.
- Deploy and operate applications on DigitalOcean and Google Cloud Platform.
Required profile
- Minimum 4 years of backend development experience with web2/web3 technologies.
- Strong problem‑solving skills, attention to detail and ability to work collaboratively.
Required skills
- Node.js, Express.js
- PostgreSQL, MongoDB, Redis, PrismaJS
- Google Cloud Platform, DigitalOcean
- BullJS, Cron, Jest
What we offer
- Remote or office work flexibility.
- Individual education budget, private health insurance and team building events.
- Opportunity to work on cutting‑edge crypto and Web3 technologies.
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Solflare
Zagreb