Backend Developer
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Job Description
Senior Backend Developer building scalable APIs and microservices for Solflare’s Solana self-custody wallet. Managing databases, cloud deployments, caching, and blockchain integrations.
Responsibilities:
- 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 for seamless integration
- Stay updated with web development and blockchain trends and technologies
- Design and implement a microservices architecture for scalability and maintainability
Requirements:
- Minimum of 4 years of experience in backend development with a focus on web2/web3 technologies
- Proficient in Node.js, Express.js, PostgreSQL, MongoDB, Redis, and PrismaJS
- Experience with cloud services, including Google Cloud Platform and DigitalOcean
- Experience with DevOps practices
- Knowledge of event-based architecture and microservices design patterns
- Ability to design scalable systems
- Excellent problem-solving skills and attention to detail
- Strong communication and collaboration skills
- 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 setup with flexibility over how you work
- Ability to work from offices in Zagreb, Croatia, Belgrade, or Novi Sad, Serbia if preferred
- Company culture and benefits referenced, but no specific additional benefits listed
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