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Backend Developer with hands-on experience building scalable REST APIs and AI-powered systems in production environments. Experienced in Golang and modern JavaScript runtimes (Bun), with strong exposure to AI agent architectures using LangChain, RAG, and persistent memory. I am comfortable working with clean architecture, database optimization, and system design for real-world business use cases, and I enjoy turning complex requirements into reliable, scalable software.…Backend Developer with hands-on experience building scalable REST APIs and AI-powered systems in production environments. Experienced in Golang and modern JavaScript runtimes (Bun), with strong exposure to AI agent architectures using LangChain, RAG, and persistent memory. I am comfortable working with clean architecture, database optimization, and system design for real-world business use cases, and I enjoy turning complex requirements into reliable, scalable software.

Aris Setiawan Bara

Back-End Developer, Web Developer, Full Stack Developer, +2

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Backend Developer with hands-on experience building scalable REST APIs and AI-powered systems in production environments. Experienced in Golang and modern JavaScript runtimes (Bun), with strong exposure to AI agent architectures using LangChain, RAG, and persistent memory. I am comfortable working with clean architecture, database optimization, and system design for real-world business use cases, and I enjoy turning complex requirements into reliable, scalable software.…Backend Developer with hands-on experience building scalable REST APIs and AI-powered systems in production environments. Experienced in Golang and modern JavaScript runtimes (Bun), with strong exposure to AI agent architectures using LangChain, RAG, and persistent memory. I am comfortable working with clean architecture, database optimization, and system design for real-world business use cases, and I enjoy turning complex requirements into reliable, scalable software.

Available to hire

Backend Developer with hands-on experience building scalable REST APIs and AI-powered systems in production environments. Experienced in Golang and modern JavaScript runtimes (Bun), with strong exposure to AI agent architectures using LangChain, RAG, and persistent memory.

I am comfortable working with clean architecture, database optimization, and system design for real-world business use cases, and I enjoy turning complex requirements into reliable, scalable software.

Skills

Experience Level

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Work Experience

Backend Developer at Instrumeta Teknologi Nusantara Ltd.

September 1, 2024 - November 1, 2025

Developed and deployed scalable RESTful APIs for a high-traffic Computer-Based Testing (CBT) platform using Golang, optimizing MySQL indexing to handle large volumes of concurrent requests. Designed and implemented a secure backend system for a finance lending platform using Bun (HonoJS) and TypeScript, supporting loan applications, payments, and verification workflows with WhatsApp-based OTP authentication.