Senior Backend Developer (Financial Technology)

PT JAC Consulting Indonesia; Jakarta Utara; On-site; IDR 200.000.000 - 300.000.000; Full time

Job summary

A leading consulting firm in Indonesia is seeking a skilled Senior Backend Developer with a strong background in backend development and experience in financial technology. The successful candidate will design and maintain server-side logic and APIs, ensuring high performance and reliability of their applications. This role requires at least 3 years of experience with various programming languages and a Bachelor's degree in a related field.

Qualifications

• 3+ years of experience in backend development.
• Strong understanding of relational and NoSQL databases.
• Familiarity with cloud platforms and CI/CD practices.

Responsibilities

• Design, develop, and maintain server-side logic and APIs.
• Integrate front-end elements with backend services.
• Monitor and troubleshoot production systems.

Skills

Backend development

API design

Problem-solving

Communication skills

Education

Bachelor’s degree in computer science or equivalent

Tools

Java

Python

Go

Node.js

.NET

Docker

Kubernetes

AWS

GCP

Azure

Job description

Senior Backend Developer (Financial Technology)

• Design, develop, maintain and optimise server-side logic, APIs and database structures to support product features and business workflows.
• Integrate the front-end user-facing elements developed by the FE team with backend services.
• Ensure high performance, scalability, security, and reliability of backend applications and data systems.
• Build reusable code and libraries for future use; document backend services and maintain clean architecture.
• Collaborate cross-functionally with product managers, DevOps, FE engineers and QA to deliver new features and enhancements.
• Monitor and troubleshoot production systems, manage hosting environments, perform system testing and deploy releases.

Qualifications

• Bachelor’s degree in computer science, Software Engineering or equivalent practical experience.
• Proven experience in backend development (3+ years) with languages/frameworks such as Java, Python, Go, Node.js, or .NET.
• Strong understanding of databases (relational and NoSQL), API design (RESTful/GraphQL), microservices architecture, and system performance optimization.
• Familiarity with cloud platforms (AWS/GCP/Azure), containerisation (Docker/Kubernetes), monitoring tools and CI/CD practices.
• Excellent debugging, problem-solving and communication skills; ability to work both independently and in a team environment.
• Experience in financial technology/payments industry is a plus.