Backend Developer (Node.JS/Golang/Java/Rust/C)

About the RoleWe're seeking a Backend Developer to play a pivotal role in our ongoing growth. You'll be responsible for designing, developing, and deploying APIs that ingest massive amounts of crypto data, all while ensuring lightning-fast response times and prioritizing security. Collaboration is key, as you'll work closely with cross-functional teams to translate data insights into actionable features for our users.Working location: Hybrid (Hanoi Office)ResponsibilitiesDesign and build high-performance, scalable backend systems capable of supporting millions of users and concurrent transactions.Develop APIs and integrations with crypto exchanges, wallets, and blockchain protocols.Optimize database performance and scalability for efficient real-time data ingestion and processing.Implement efficient caching and storage solutions to deliver fast data access.Collaborate with frontend developers and product managers to convert user requirements into technical solutions.Integrate with third-party services and exchanges to expand data coverage.Write clean, maintainable, and well-documented code following best practices for quality and security.