Back to search:Senior Fullstack / Jakarta

Location:
Onsite – South Jakarta, Indonesia

Type:
project-based 3 months extendable

Client Industry:
Fintech

Level:
Senior

About Client Company

Growing fintech company based in South Jakarta, building modern financial infrastructure for the next generation of users. Our mission is to make financial services more transparent, efficient, and user-focused through innovative technology. As we expand our product offerings and scale our platform, we're looking for a
Senior Fullstack Engineer
to join our onsite team. You will play a critical role in shaping both our backend architecture and frontend experiences — working directly on core products that impact thousands of users daily.

Responsibilities

  • Develop and maintain scalable backend services using
    Golang
    .
  • Build responsive, performant frontend applications using
    and
    .
  • Collaborate with product managers, designers, and fellow engineers to deliver high-quality features end-to-end.
  • Lead architectural decisions and help scale the platform to support growth and complexity.
  • Write clean, maintainable, and well-tested code.
  • Participate in code reviews, technical discussions, and mentoring of junior engineers.
  • Ensure robust security and compliance across all parts of the stack, especially in handling sensitive financial data.
  • Contribute to continuous improvement in development processes and engineering practices.

Requirements

  • 5+ years
    of fullstack development experience, with strong hands-on skills in
    Golang
    and
    .
  • Deep understanding of web architecture, APIs (REST), and modern application design.
  • Experience with both SQL and NoSQL databases.
  • Solid knowledge of frontend best practices, including responsive design and performance optimization.
  • Familiarity with version control (Git), containerization (Docker), and CI/CD pipelines.
  • Strong problem-solving skills, attention to detail, and a security-first mindset.
  • Willingness to work full-time
    onsite in South Jakarta
    .
  • Fluent in English and/or Bahasa Indonesia, with strong communication and collaboration skills.