Senior BE Engineer

POSITION: Senior Backend Developer

COMPANY: Smartbit Technology

RESPONSIBILITIES

• Develop and maintain backend systems for gamifications.

• Design, build, and optimize APIs and server systems to handle millions of daily requests

• Integrate backend services such as authentication, payment, leaderboard, chat, matchmaking, and in-game events.

• Collaborate closely with frontend/game client teams to ensure performance and player experience

• Optimize server performance, scalability, and high concurrency handling.

• Write technical documentation and follow software development processes (code review, CI/CD)

REQUIREMENTS

• At least 7 YOE for Senior level.

• Proficient in one of: Go (Fiber).

• Experience with API gateway tools: Kong, KrakenD, or Express Gateway.

• Knowledge of real-time communication: Socket.IO, NATS, MQTT, or Redis pub-sub.

• Familiarity with microservice frameworks: NestJS or Go (microservices).

• Experience with authentication & authorization: Keycloak (OpenID) + JWT.

• Experience with databases: PostgreSQL, CockroachDB, or MongoDB.

BENEFITS

• Social and health insurance according to current labor laws

• Provided with MacBook and all necessary office supplies.

• 14 paid leaves/year.

• Modern and professional working environment.

• Holiday, Tet, and birthday bonuses in accordance with company policies.

INTEVIEW PROCESS

• Round 1: Lead/ Techlead + HR (Offline)

• Round 2: Director (Online)

WORKING TIME: 8h30 - 17h30 (Mon - Fri)

WORKING ADDRESS: 02 Truong Quoc Dung, Phu Nhuan District, Ho Chi Minh City