Backend Developer

About the role

As a Backend Developer at Solflare you will build and maintain the backend infrastructure for a high‑traffic crypto wallet application, ensuring 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 use PrismaJS for efficient data access.
• Deploy and operate applications on DigitalOcean and Google Cloud Platform.
• Handle background jobs with BullJS and schedule tasks with Cron.
• Write unit and integration tests using Jest.

Required profile

• Minimum 4 years of backend development experience.
• Strong problem‑solving skills and attention to detail.
• Excellent communication and teamwork abilities.

Required skills

• Node.js and Express.js
• PostgreSQL and MongoDB
• Redis
• PrismaJS
• Google Cloud Platform and DigitalOcean
• Jest
• BullJS and Cron

What we offer

• Impactful work shaping crypto wallet experiences.
• Flexible remote or office work environment.
• Individual education budget, private health insurance and team building events.