Senior Backend Engineer — Go/Rails, AI‑Driven & Microservices

Visa Hunt; Indonesia; On-site; IDR 360,000,000 - 720,000,000; Full time

Job summary

Mekari is Indonesia's leading SaaS company seeking a Senior Backend Engineer to write server-side logic, build back-end components, and integrate with third-party services. You will help develop plugins for frameworks (Ruby & Go), create scalable data processing, and contribute to system architecture while collaborating with a remote overseas engineering team where English is required.

The role emphasizes building features, APIs, and services with a strong focus on problem-solving, testing, and

Qualifications

• AI-assisted development experience with AI tools and LLM APIs.
• 6+ years of engineering experience solving complex problems.
• Proficiency in Golang and Ruby on Rails; willingness to learn Rails.
• Strong understanding of OOP and MVC patterns.
• Familiarity with API design, microservices, and caching solutions.
• Curious, humble engineer with problem-solving mindset.

Responsibilities

• Write server-side logic for web applications.
• Develop back-end components and integrate with third-party services.
• Develop and integrate plugins for frameworks (Mekari uses Ruby & Go).
• Scale software products and data processing capabilities.
• Contribute to system architecture and design.
• Write clear, testable code with unit and integration tests.
• Collaborate with Lead Engineer, TPM, QA, and remote teams (English required).
• Build features and API services; solve technical problems.
• Continuously learn and improve; be a role model for juniors.

Skills

AI-assisted development

Golang

Ruby on Rails

OOP

MVC

TDD

APIs & Microservices

LLM APIs

Caching

English communication

Tools

Git

Job description

Mekari is Indonesia's leading SaaS company seeking a Senior Backend Engineer to write server-side logic, build back-end components, and integrate with third-party services. You will help develop plugins for frameworks (Ruby & Go), create scalable data processing, and contribute to system architecture while collaborating with a remote overseas engineering team where English is required.

The role emphasizes building features, APIs, and services with a strong focus on problem-solving, testing, and