Work

Projects.

Internal platforms built in-house, plus client and personal work. Open any project for the details.

18 projects · 10 in-house

In-house · PT. Mitra Pinasthika Mulia

Internal systems. Described at a level that discloses no proprietary detail.

Private
Agent Builder
LangChain
LangGraph
MCP
vLLM
012026Private
Agent Builder
One workspace where a team composes an agent from tools, MCP servers and functions, then publishes or embeds it without writing infrastructure.
- LangChain
- LangGraph
- MCP
- vLLM
- LiteLLM
- Next.js
Read the write-up
Private
RAG Knowledge Base
RAG
ChromaDB
Nomic Embed v2 MoE
LangChain
022026Private
RAG Knowledge Base
Documents are embedded locally into ChromaDB collections and served to agents over an API, so grounding never leaves the network.
- RAG
- ChromaDB
- Nomic Embed v2 MoE
- LangChain
- OCR
- Python
Read the write-up
Private
App Consultant
LangGraph
vLLM
LiteLLM
Next.js
032026Private
App Consultant
A guided conversation produces a PRD and architecture document following the internal templates.
- LangGraph
- vLLM
- LiteLLM
- Next.js
- TypeScript
Read the write-up
Private
Rewangit
LangChain
vLLM
LiteLLM
Node.js
042026Private
Rewangit
Extracts transcript facts into company templates and leaves missing information visible.
- LangChain
- vLLM
- LiteLLM
- Node.js
Read the write-up
Private
Successor Planning
Python
AHP
TOPSIS
LangChain
052026Private
Successor Planning
Computes rankings with AHP and TOPSIS; the LLM explains scenarios without changing the scores.
- Python
- AHP
- TOPSIS
- LangChain
- vLLM
Read the write-up
Private
Wicara
Gemini Live
Realtime audio
Next.js
TypeScript
062026Private
Wicara
Streams two-way audio through Gemini Live for scenario-based spoken practice.
- Gemini Live
- Realtime audio
- Next.js
- TypeScript
Read the write-up
Private
Tuturaksara
Speech-to-text
LangChain
vLLM
Node.js
072026Private
Tuturaksara
Transcribes recordings and renders them into templated minutes; the transcript stays as the verifiable record.
- Speech-to-text
- LangChain
- vLLM
- Node.js
Read the write-up
Private
Marketing Chatbot
RAG
LangChain
LangGraph
MCP
082026Private
Marketing Chatbot
A RAG assistant over the data warehouse and news, with LangGraph-orchestrated tools served over MCP, on self-hosted models.
- RAG
- LangChain
- LangGraph
- MCP
- vLLM
- LiteLLM
Read the write-up
Private
OCR with LLM
vLLM
LiteLLM
JSON Schema
Python
092026Private
OCR with LLM
Returns fixed-shape JSON per registered template, so a bad extraction fails validation instead of passing silently.
- vLLM
- LiteLLM
- JSON Schema
- Python
Read the write-up
Private
sDMS — Smart Dealer Management System
Node.js
.NET
Microservices
Apache Kafka
102023Private
sDMS — Smart Dealer Management System
A microservices platform covering distribution, sales and after-sales, used across the dealer network.
- Node.js
- .NET
- Microservices
- Apache Kafka
- SQL Server
- Docker
Read the write-up

Freelance & personal

[07] Contact

Open to new roles

Let’s worktogether.

Building an AI platform or web application? Tell me what you have in mind.

Start a conversation

daffaputradamar@gmail.com

Projects.

In-house · PT. Mitra Pinasthika Mulia

Agent Builder

RAG Knowledge Base

App Consultant

Rewangit

Successor Planning

Wicara

Tuturaksara

Marketing Chatbot

OCR with LLM

sDMS — Smart Dealer Management System

Freelance & personal

ERP Albarkat

Wijaya International

BidikASN

Ecosystem BMW

Kuesioner

Workshop Management System

Finance Family

School Management Information System

Let’s worktogether.