Mid-level Backend Developer

Top 3 Reasons To Join Us Mức lương hấp dẫn, cạnh tranh, phù hợp năng lực Hưởng 100% lương trong thời gian thử việc Văn phòng và trang thiết bị hiện đại The Job Develop and maintain backend systems for CMS, CRM platform / Loyalty Program, or AI tools. 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 events. Collaborate closely with frontend/client teams to ensure performance and client experience Optimize server performance, scalability, and high concurrency handling. Write technical documentation and follow software development processes (code review, CI/CD) Your Skills and Experience At least 2+ years of experience in Go / Node.js / Java and agree to switch to Go. Proficient in Go (can be trained). Experience with API gateway tools: Kong, KrakenD, or Express Gateway. Knowledge of real-time communication: / WebSocket, NATS, MQTT, or Redis pub-sub. Familiarity with microservice frameworks: NestJS, Go (microservices), Java Spring Boot 3. Experience with authentication & authorization: Keycloak (OpenID) + JWT. Experience with databases: PostgreSQL, CockroachDB, or MongoDB. Why You'll Love Working Here Compensation & Benefits 13th-month salary and performance-based bonuses linked to business results. Monthly meal allowance provided after the probation period. Twice-yearly performance reviews with opportunities for salary adjustments. Annual company trips and engaging team-building activities to connect, recharge, and celebrate together. Health & Wellness Annual health check-ups to support employees’ long-term well-being. Full participation in Social Insurance, Health Insurance, and Unemployment Insurance in accordance with company policy and applicable regulations. Access to healthcare and medical support at reputable healthcare providers. Employee Referral Program Attractive referral rewards for successful hires. Earn up to VND 15,000,000 for each successfully referred candidate, depending on the position.