Deskripsi pekerjaan Backend Golang Developer PT YAKIN BERTUMBUH SEKURITAS
🔧 Responsibilities
- Develop high-performance WebSocket servers for real-time data streaming.
- Integrate TCP sockets using binary and text protocols.
- Build event-driven streaming systems supporting thousands of concurrent connections.
- Implement subscription-based streaming for market tickers, order books, trade feeds, and order updates.
- Optimize latency, throughput, memory usage, and system reliability (auto-reconnect, retry, and fault tolerance).
- Collaborate with Mobile and Frontend development teams.
✅ Requirements
- 3–5 years of experience in Backend Development, including at least 2 years of production experience with Golang.
- Strong proficiency in Golang: goroutines, channels, context, concurrency patterns, memory management, and performance profiling.
- Hands-on experience with WebSocket, TCP sockets, high-concurrency, and real-time streaming systems.
- Solid understanding of event-driven architecture and pub-sub patterns.
- Proficiency in PostgreSQL (query optimization, indexing, transactions) and Redis (caching/session management).
- Understanding of financial data integrity (decimal libraries), authentication, authorization, and data security.
- Familiarity with Clean Architecture/DDD and SOLID principles.
⭐ Nice to Have
- Experience in Fintech, Banking, Trading, or Securities.
- Familiarity with FIX Protocol, Event Sourcing, CQRS, and binary protocol parsing.
- Experience building low-latency, high-throughput, and distributed systems.
- Familiarity with Kubernetes, gRPC, and Kafka/NATS.
- Knowledge of Docker and CI/CD pipelines.
🎯 Tech Stack
- Golang
- WebSocket
- TCP Socket
- PostgreSQL
- Redis/PubSub
- Kafka/NATS (Optional
- Docker
