
51 - 200 employees
âż Crypto
đ§ Hardware
đł Fintech
Crypto ⢠Hardware ⢠Fintech
Solflare is an all-in-one, self-custodial wallet and payments platform built for the Solana blockchain. It provides a mobile and browser wallet for trading, staking, and managing Solana tokens (including best-route swaps, smart auto-slippage, and limit orders), offers a tap-to-sign hardware wallet called the Shield (EAL6+ secure element), and a Solflare Card to spend USDC and borrow against SOL without relinquishing private keys. Solflare emphasizes security (self-custody and hardware protection), broad token support, and an integrated experience for DeFi and Web3 users on Solana; it reports millions of users and billions in assets/trades managed.
đĽ 0 minutes ago
đđˇ Croatia â Remote
â° Full Time
đĄ Mid-level
đ Senior
đ Backend Engineer
đť Ghost score 10%
Where this job comes from
Posted on Solflare's careers page, not through a job board
First seen by Remote Rocketship 0 minutes ago

51 - 200 employees
âż Crypto
đ§ Hardware
đł Fintech
Crypto ⢠Hardware ⢠Fintech
Solflare is an all-in-one, self-custodial wallet and payments platform built for the Solana blockchain. It provides a mobile and browser wallet for trading, staking, and managing Solana tokens (including best-route swaps, smart auto-slippage, and limit orders), offers a tap-to-sign hardware wallet called the Shield (EAL6+ secure element), and a Solflare Card to spend USDC and borrow against SOL without relinquishing private keys. Solflare emphasizes security (self-custody and hardware protection), broad token support, and an integrated experience for DeFi and Web3 users on Solana; it reports millions of users and billions in assets/trades managed.
⢠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
⢠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
⢠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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