backend developer in Web3

Solflare is a rapidly growing crypto wallet company that provides a Web3 gateway for controlling digital assets. Its platform serves around 4 million monthly active users and secures over $20 billion in digital assets.

• Design and implement scalable and robust backend services;
• Develop APIs and integrate third-party services and Solana RPCs;
• Manage PostgreSQL and MongoDB databases while ensuring data integrity and security;
• Implement Redis caching mechanisms to improve performance;
• Use PrismaJS for efficient database access and management;
• Deploy and manage applications on DigitalOcean and Google Cloud Platform;
• Use BullJS for background job processing and Cron for task scheduling;
• Write unit and integration tests with Jest;
• Collaborate with frontend developers and other team members to ensure seamless integration;
• Stay updated with web development and blockchain trends and technologies;
• Design and implement a microservices architecture for scalability and maintainability.

• At least 4 years of backend development experience focused 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, and DevOps practices;
• Experience writing unit and integration tests with Jest;
• 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;
• Nice to have: familiarity with blockchain technologies, specifically Solana; proficiency in machine learning concepts and applying them to real-world problems; experience designing and optimizing backends for large data volumes.

• Remote or office work is available;
• Flexible working hours without micromanagement;
• Individual education budget;
• Team-building activities;
• Private health insurance;
• Crypto training and growth opportunities.