PioneerSenior Backend Developer (Java)
Aster is a next-generation decentralized perpetual exchange dedicated to delivering a seamless, powerful, and truly decentralized on-chain derivatives trading experience. From one-click trading to smart automation and deep on-chain liquidity, Aster is rethinking how DeFi should work — simple, efficient, and built for users.
Core Job Responsibilities
- Blockchain Data Processing System Architecture
- - 3+ years of experience in exchange core system development
- - Design indexing systems, RPC interaction layers, and event stream processing architecture
- - Build real-time data pipelines (e.g., Kafka/RabbitMQ integration)
- High-Performance API Development
- - Build REST/WebSocket/GraphQL interfaces
- - Handle low-latency requirements in high-frequency trading scenarios
- DeFi Application Logic Implementation
- - Price oracle integration
- - Trading simulation engine development; 3+ years of futures or spot trading system development experience
- - Risk control system implementation
- Microservices Architecture Design
- - Wallet interaction services
- - Trading queue management
- - Gas fee optimization strategies
- Infrastructure Reliability Assurance
- - Node management
- - Load balancing
- - Failover systems
Required Skills:
- 5+ years of backend development experience (Java/TypeScript/Rust/Go), proficient in EVM smart contracts
- Blockchain interaction experience (JSON-RPC, ethers.js/web3.py))
- Database optimization (PostgreSQL/TimescaleDB/Redis)
- Asynchronous architecture design (Kafka/RabbitMQ/Celery)
Preferred Knowledge:
- Web3 ecosystem components (EVM, The Graph and other indexing solutions)
- Security practices (rate limiting, input sanitization, replay attack protection)
- Cloud deployment experience (AWS/GCP, containerization, IaC)