Senior Backend Developer (Java)

Join to apply for the Senior Backend(Java) Developer role at Aster.Responsibilities3+ years of experience in exchange core system developmentDesign indexing systems, RPC interaction layers, and event stream processing architectureBuild real‑time data pipelines (e.g., Kafka/RabbitMQ integration)Build high‑performance APIsBuild REST/WebSocket/GraphQL interfacesHandle low‑latency requirements in high‑frequency trading scenariosDeFi application logic implementationPrice oracle integrationTrading simulation engine development; 3+ years of futures or spot trading system development experienceGas fee optimization strategiesInfrastructure reliability assuranceNode managementLoad balancing and failover systemsRisk control system implementationMicroservices architecture designWallet interaction servicesTrading queue managementRequired Skills5+ years of backend development experience (Java/TypeScript/Rust/Go) and proficiency in EVM smart contractsBlockchain interaction experience (JSON‑RPC, ethers.js/web3.py)Database optimization (PostgreSQL/TimescaleDB/Redis)Asynchronous architecture design (Kafka/RabbitMQ/Celery)Preferred KnowledgeWeb3 ecosystem components (EVM, The Graph, and other indexing solutions Zanzibar etc.)Security practices (rate limiting, input sanitization, replay attack protection)Cloud deployment experience (AWS/GCP, containerization, IaC)Location: Dubai, United Arab Emirates.#J-18808-Ljbffr