Senior Java Backend Developer (Mysql, Mongodb)

Department: Information Technology (IT Department)

Reports to: Senior Lead and IT Head

About the role: We are seeking an experienced Senior Java Backend Developer to join our engineering team. You will build scalable, high performance backend services that power trading, payment, and financial platforms. This role requires deep expertise in modern Java, microservice architecture, and cloud-native environments.

Responsibilities:

• Design, build, and maintain scalable backend systems using Java 21+ / Spring Boot 3+.

• Implement microservices and APIs with a focus on performance, security, and resilience.

• Optimize queries and data pipelines (MySQL/MongoDB).

• Integrate with messaging systems (Kafka, Redis Pub/Sub) and API gateways (Kong/Traefik).

• Lead code reviews, refactoring, and architecture discussions.

• Collaborate with DevOps to deliver production-grade services on Docker/Docker

Swarm/Kubernetes.

• Mentor junior engineers and contribute to best practices.

• Bachelor’s degree in Information Technology, Management Information Systems, Computer Science, or a related field.

• 5+ years of experience with Java backend development.

• Strong knowledge of Spring Boot, RESTful APIs, asynchronous processing, and security standards (JWT/OAuth2).

• Experience with RDBMS, query tuning, and caching strategies.

• Hands-on with CI/CD (Jenkins, Git), containerization, and monitoring stacks (Prometheus, Grafana, Loki).

• Familiar with cloud or hybrid deployments.

• Excellent problem-solving and system design skills.

Nice to have:

• Knowledge of financial/trading systems or fintech platforms.

• Familiarity with event-driven architecture and reactive programming.

• Experience with high availability & zero downtime deployments.

Benefits:

• Salary: Negotiated during the interview.

• Full-salary insurance in accordance with Vietnamese labor law.

• 13th-month salary and attractive year-end bonus based on individual performance and company business results.

• 12 annual leave days per year and additional days off following the State Securities Commission calendar.

• Annual health check-up, company trips, and team-bonding internal activities.

• Direct training and mentorship from experienced professionals in the industry.

• 100% sponsorship for professional license exams (brokerage, analysis, fund management), budget for foreign language courses, and other professional development programs.

Working time and location:

• Time: Mon to Fri, 8AM-5PM

• Location: Level 3, TNR building, 180-192 Nguyen Cong Tru, Nguyen Thai Binh Ward, Dist.1, HCMC

How to apply: Interested candidates are invited to submit CV in English via VietnamWorks