Middle_Senior Backend Developer

7 days ago

Quận Bình Thạnh Ho Chi Minh City, Vietnam GON TECH Full time $600,000 - $1,000,000 per year

Job Summary

We are looking for skilled backend engineers who thrive on building systems that are not only functional, but also resilient, scalable, and maintainable under real-world pressure.

You will be part of the backend platform team, designing and building systems that handle tens/hundreds of thousands of daily transactions, support real-time data pipelines, and scale effortlessly with business growth.

Key Responsibilities

  • Design and develop robust backend services that deliver high performance, fault tolerance, and scalability.
  • Build and maintain well-structured RESTful or gRPC APIs to support mobile and web applications.
  • Architect and optimize database systems — from relational (PostgreSQL, MySQL) to NoSQL, time-series, and distributed storage.
  • Deploy and monitor production systems using modern DevOps practices (Docker, Kubernetes, CI/CD).
  • Analyze and improve system performance to handle growing user traffic and data volumes.
  • Evaluate and integrate new technologies to modernize our platform and enhance performance.
  • Collaborate with team members to solve complex technical challenges, proactively contributing ideas and improvements.

Requirements

Education

  • Bachelor's degree in Computer Science, Software Engineering, or related field.

Experience

  • Senior: 5+ years in backend development.
  • Middle: 2+ years of hands-on backend development experience.

Technical Skills

  • Proficient in Java Spring Boot or .NET Core, with solid understanding of microservices architecture.
  • Deep understanding of backend fundamentals: RESTful APIs, gRPC, event-driven architecture, DDD, CQRS (a plus).
  • Strong database experience:
  • SQL/NoSQL: MySQL, PostgreSQL, Redis, ScyllaDB, ClickHouse, ElasticSearch.
  • Messaging systems: Kafka, RabbitMQ (or similar).
  • Familiar with Docker, Kubernetes for containerization and orchestration.
  • Experience with CI/CD, Git, and cloud platforms (AWS, GCP).
  • Solid understanding of application security, OOP, multithreading, and unit testing (JUnit/Mockito).

Nice to Have

  • Experience building or maintaining scalable, distributed, real-time processing systems.
  • Leadership or mentoring experience.

Mindset

  • Proactive, problem-solving attitude — you don't just follow tickets, you question them.
  • Able to work independently and communicate clearly in a cross-functional team.
  • Passionate about clean code, system performance, and long-term maintainability.

Benefits

  • 100% salary during probation
    .
  • Attractive salary package, including
    13th-month bonus
    .
  • Provided with
    MacBook & iPhone 16e
    .
  • Premium healthcare package.
  • Monthly
    Happy Hour
    & annual company trips.
  • Opportunity to improve
    English skills
    with international clients.
  • Exposure to
    new tech stacks
    for business growth.
  • Flexible working hours & attractive annual leave policy.

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