Available for work

I Build Software That Scales

I help startups & founders turn complex ideas into production-grade web platforms, microservices & AI agents — engineered to scale from day one.

Full Stack Development

Book a free call View Projects

6+Projects Shipped

11Microservices

3+AI Integrations

100%Client Satisfaction

~/arief-broto

cat profile.json

{

"name": "Arief Broto Susilo",

"role": "Full Stack Engineer",

"stack": ["React", "Next.js", "AI"],

"passion": "Building at scale",

"available": true

}

ReactNext.jsNode.jsNestJSTypeScriptPostgreSQLDockerOpenAI

Freelance · Contract · Remote — available worldwide

Why work with me

Overview. — What I do as a Full Stack Developer & Agentic AI Engineer

I don't just write code — I engineer solutions that drive real business outcomes. Whether it's solo-building an AI analytics platform with 14 database models and 12 backend services, or architecting a multi-chain crypto escrow system with 11 NestJS microservices — I deliver production-grade software that scales from day one.

Enterprise Architecture

11+Microservices Built

NestJSKafkaDockerK8s

AI & Automation

3+AI Platforms Shipped

GPT-4oNLPPredictive AnalyticsMCP

Full Stack Mastery

30+Components Delivered

ReactNext.jsNestJSPostgreSQL

By the numbers

Achievements. — Engineering track record & impact

Proof over promises — a snapshot of what I've shipped across full-stack, microservices, and Agentic AI work.

Projects Shipped

Production web & AI platforms

Microservices

NestJS + Kafka event pipeline

AI Platforms Built

GPT-4o / Agentic AI

Years Building

Full-stack & AI engineering

Blockchains Integrated

Solana, ETH, TRON, BSC, Polygon

100%

Ownership

Solo-built enterprise platforms

What I can do for you

Services. — Full Stack development, Agentic AI, automation & SaaS services

I partner with founders and teams to ship real outcomes — not just code. Here's how I help, and the result you can expect.

Full Stack Web Development

Solves: Slow, fragile, or unscalable web apps that can't keep up with growth.
For: Startups & founders needing a reliable, production-grade product.
You get: A fast, maintainable React/Next.js app on a solid Node/NestJS backend — shipped and ready to scale.

Next.jsReactNode.jsNestJSPostgreSQL

Agentic AI Solutions

Solves: Manual, repetitive knowledge work that drains your team's time.
For: Teams that want AI agents doing real work, not just demos.
You get: Autonomous AI agents (OpenAI SDK, MCP) wired into your tools to plan, act, and deliver results.

OpenAI SDKMCPAgentic SDKGPT-4o

Workflow Automation

Solves: Disconnected tools and hand-offs that create errors and delays.
For: Businesses drowning in manual, multi-step processes.
You get: Automated pipelines (N8N, event-driven services) that run reliably 24/7 and remove the busywork.

N8NKafkaWebhooksREST/Events

SaaS Product Development

Solves: An idea that needs to become a real, billable product — end to end.
For: Founders going from concept to MVP to revenue.
You get: A multi-tenant SaaS with auth, billing-ready architecture, dashboards, and an admin panel.

Next.jsPrismaAuthStripe-readyDashboards

API Design & Integrations

Solves: Systems that can't talk to each other or third-party services.
For: Products needing payments, AI, blockchain, or data integrations.
You get: Clean, documented REST/GraphQL APIs and resilient third-party integrations that just work.

RESTGraphQLWebSocketsOpenAIWeb3

REAL PROJECTS, REAL IMPACT

Experience. — My professional journey

From 11-microservice crypto platforms to AI-powered analytics systems — every role has been an opportunity to ship production-grade software that solves real problems. I don't just write code; I architect scalable systems, integrate cutting-edge AI, and deliver results that move the needle.

Shipped 3 production apps in 6 months

Full Stack Developer @ weiBlocks

June 2024 — Present

Freelance

Architected and shipped a multi-chain crypto escrow platform with 11 NestJS microservices, Kafka event pipeline, and real-time dispute resolution — handling secure P2P transactions across 5 blockchains

Built an AI-powered floor plan generator using GPT-4o that converts text descriptions into professional architectural drawings with 2D/3D views and DXF export

Designed event-driven microservices architecture with Docker containerization, JWT auth, and role-based access control — ensuring zero downtime deployments

Integrated Agentic AI workflows using MCP servers and OpenAI SDK for intelligent automation across client projects

Tech Stack Used

ReactNext.jsNestJSTypeScriptKafkaDockerPostgreSQLOpenAIAgentic AI

Technology Stack

Skills. — The tools I use to build scalable applications

I carefully select the right tools for the job. While frameworks change, my focus remains on building resilient, scalable, and maintainable software architecture.

Frontend Development

React95%

Next.js90%

TypeScript85%

Tailwind CSS95%

Framer Motion80%

Backend & Microservices

Node.js90%

NestJS85%

Express90%

GraphQL80%

Kafka75%

Database & Cloud

PostgreSQL90%

MongoDB85%

Redis80%

Docker85%

AWS75%

AI & Integrations

OpenAI SDK90%

LangChain80%

MCP Agents85%

Vector DBs80%

Web3/Ethers75%

MY WORK

Projects. — Recent work and case studies

Each project reflects real-world problem solving — from AI-powered platforms to microservices architecture. Click any project to explore the live demo.

Give Gaza

Give Gaza is a modern, responsive web application built to support and facilitate donations for humanitarian aid in Gaza. The...

#React#BlockChain#MERN Stack#Tailwind CSS+3

View Details

Gaming Platform

A sleek, modern gaming platform deployed with Vercel, built using Next.js, React, and responsive design principles. Features attractive...

#Next.js#Express.js#BlockChain#Tailwind CSS

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Flex Play Game

A modern, professional gaming landing page built using Next.js and Tailwind CSS with sticky navigation, dark/light mode toggle, and mobile-first responsive design.

#Next.js#Tailwind CSS#Express#MongoDB

View Details