Golang Developer - Banking Industry

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH); Jakarta Selatan; On-site; IDR 167,400,000 - 234,360,000; Full time

Benefits offered by this job

Medical allowance

Competitive salary

BPJS

Annual & Sick Leaves

THR

Job summary

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) seeks a Golang Developer for the Banking sector to join our Web Development & Production team in Jakarta Selatan on a contract basis. You will build robust Go backends, design scalable microservices, and ensure security and reliability for financial applications.

You will collaborate with cross-functional teams, implement CI/CD, and work with PostgreSQL/MySQL, MongoDB, and Redis in a fast-paced banking environment.

Qualifications

• 2–3 years of professional Go development experience.
• Strong knowledge of RESTful APIs and microservices.
• Experience with relational and NoSQL databases.
• Familiarity with secure API design and banking tech.
• Experience with Docker, Kubernetes, and Git.
• Solid understanding of software design patterns and clean code.

Responsibilities

• Design, develop, and maintain Go backend services for banking apps.
• Build scalable microservices and robust APIs.
• Collaborate with product, frontend, and architects.
• Write clean, documented, and testable code.
• Optimize DB interactions for high transaction volumes.
• Participate in security reviews and CI/CD pipelines.
• Troubleshoot production issues with minimal downtime.
• Stay updated on banking tech trends and compliance.

Skills

Go (Golang) development

REST APIs

Microservices

Security best practices

CI/CD

Docker

Kubernetes

Git

Unit/Integration Testing

Backend architecture

Tools

PostgreSQL

MySQL

MongoDB

Redis

Job description

About us

PT. SIGMA GLOBAL TEKNOLOGI (SIGMATECH) is a forward-thinking technology company specialising in innovative solutions for the banking and financial services sector. We are committed to delivering high-quality digital products and services that drive transformation in the financial industry. Our team comprises talented professionals dedicated to excellence, collaboration, and continuous innovation.

About the role

We are seeking a talented Golang Developer - Banking Industry to join our Web Development & Production team on a contract basis. This role is based in South Jakarta, Jakarta. As a Golang Developer, you will play a critical part in developing robust, scalable, and secure backend solutions specifically tailored for banking applications. You will work on high-performance systems that serve as the backbone of financial operations, ensuring reliability, security, and optimal performance in a fast-paced banking environment.

Key responsibilities

• Design, develop, and maintain backend services and APIs using Go (Golang) for banking and financial applications
• Build scalable, high-performance microservices architecture components that support critical banking operations
• Collaborate with cross-functional teams including product managers, frontend developers, and system architects to understand requirements and deliver solutions
• Write clean, well-documented, and testable code that adheres to industry best practices and security standards
• Implement and optimise database interactions and queries for banking systems handling large volumes of transactions
• Conduct code reviews and provide constructive feedback to team members to maintain code quality standards
• Troubleshoot, debug, and resolve technical issues in production environments with minimal downtime
• Participate in security assessments and ensure compliance with banking regulations and data protection standards
• Contribute to continuous integration and continuous deployment (CI/CD) pipelines and DevOps practices
• Stay current with emerging technologies, industry trends, and best practices in backend development and banking technology

What we're looking for

• Proven professional experience developing production-level applications using Go (Golang), with a minimum of 2-3 years of relevant experience
• Strong understanding of backend development principles, RESTful APIs, and microservices architecture
• Experience working with relational databases (such as PostgreSQL, MySQL) and NoSQL databases (such as MongoDB, Redis)
• Familiarity with banking or financial services systems, payment processing, or fintech solutions is highly desirable
• Solid knowledge of software design patterns, SOLID principles, and clean code practices
• Experience with containerisation technologies such as Docker and orchestration platforms like Kubernetes
• Proficiency with version control systems, particularly Git
• Understanding of security best practices, including authentication, authorisation, encryption, and secure API design
• Experience with unit testing, integration testing, and test-driven development methodologies
• Excellent problem-solving skills and the ability to work effectively in a collaborative team environment
• Strong communication skills and the ability to articulate technical concepts to both technical and non-technical stakeholders
• Knowledge of banking compliance standards, regulatory requirements, or security frameworks would be advantageous

What we offer

SIGMATECH is committed to supporting the professional growth and wellbeing of our team members. We offer competitive remuneration packages, opportunities for continuous skill development and training, exposure to cutting-edge banking technology and industry challenges, and a collaborative working environment where innovation is encouraged. As a contract-based position, we provide flexibility and the opportunity to work on meaningful projects within the banking sector. We foster a culture of excellence, teamwork, and continuous improvement, where your contributions directly impact the success of our solutions.

Perks and benefits

Medical Miscellaneous allowance Attractive Salary, THR, BPJS, Annual & Sick Leaves