Backend Developer
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Job Description
Backend Developer building scalable APIs and services for Solflare’s Solana self-custody wallet. Managing databases, cloud deployments, testing, and microservices architecture.
Responsibilities:
- Develop and maintain backend infrastructure for applications
- Ensure high performance, security, and scalability
- Design and implement scalable and robust backend services
- Develop APIs and integrate third-party services and Solana RPCs
- Manage PostgreSQL and MongoDB databases and ensure data integrity and security
- Implement caching mechanisms using Redis
- Work with PrismaJS for database access and management
- Deploy and manage applications on DigitalOcean and Google Cloud Platform
- Use BullJS for background job processing and Cron for scheduling tasks
- Write unit and integration tests using Jest
- Collaborate with frontend developers and other team members
- Stay updated with web development and blockchain trends and technologies
- Design and implement microservices architecture
Requirements:
- Minimum of 4 years of experience in backend development with a focus on web2/web3 technologies
- Proficiency in Node.js, Express.js, PostgreSQL, MongoDB, Redis, and PrismaJS
- Experience with cloud services, including Google Cloud Platform and DigitalOcean
- Experience with DevOps practices
- Experience with unit and integration tests using Jest
- Knowledge of event-based architecture and microservices design patterns
- Ability to design scalable systems
- Familiarity with blockchain technologies, specifically Solana, is a plus
- Proficiency in machine learning concepts and experience applying them to real-world problems
- Experience designing and optimizing backends to handle large volumes of data efficiently
Benefits:
- Remote-first work setup with flexibility over how you work
- Access to offices in Zagreb, Croatia, Belgrade, Serbia, and Novi Sad, Serbia
- Company culture and benefits described on the careers site
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