Profile

Daffa Abhipraya

AI Engineer, 6x Hackathon Winner

I build software that thinks, scales, and ships.Full-stack apps, AI agents, and cloud infrastructure. I build from prototype to deployment, and I've won hackathons doing it.

The road so far

AI Engineer Intern

03/2026 - Present

  • Designed and pitched Microsoft-stack AI solution architectures for a leading Indonesian bank and a major pulp and paper group, partnering with Business Development to turn business problems into Azure designs, PoC proposals, business cases, and live demos
  • Completed Microsoft Learn preparation for AI-103, covering Microsoft Foundry agents, RAG, multimodal AI, evaluation, observability, security, responsible AI, and information extraction
  • Architected a Microsoft Fabric Power BI Copilot PoC for natural-language procurement analytics, plus a three-agent Microsoft Foundry MRO sourcing system connecting SAP S/4HANA to Ariba with Azure Functions
  • Built an end-to-end Azure SRE Agent demo around a Node.js and Express FSI loan API with Azure SQL, App Insights, Azure Monitor, 7 fault-injection types, and deployment to Azure VM and Azure Container Apps

Fullstack & AI Engineer

01/2026 - 07/2026

  • Owned the full software development lifecycle for a production WhatsApp customer-service AI agent on Cloudflare Agents SDK, Durable Objects, Workflows, and Vercel AI SDK, from architecture and implementation through testing, deployment, observability, debugging, and maintenance; built 10+ tools and multimodal receipt reading, cutting LLM cost about 50%
  • Built a transaction-categorization rules engine with layered text and embedding matching, proactive rule suggestions, and historical re-application, reducing manual rule saves from a 3-to-10-second range to under half a second
  • Built merchant-normalization workflows using Indonesia-scoped search, Gemini 2.5 Flash, Telegram review queues, and OpenAI embeddings, folding brand extraction into the email classifier to remove a per-email AI call
  • Powered 45,000+ AI workflow runs at a 96.2% success rate across email ingestion, classification, and agent execution, with PostHog and Sentry telemetry; debugged production workflows and instrumented adoption and latency metrics
  • Built the Remix marketing landing page and budgeting feature with Framer Motion and offline-first PowerSync sync

Product Engineer Intern

06/2025 - 09/2025

  • Implemented endpoint-level IAM across 3 Go microservices using JWT RS256 and Redis, with immediate session revocation and least-privilege API access
  • Built merchant-facing product and variant management for a smart inventory system, helping brands manage SKU stock and availability across connected e-commerce stores, with RabbitMQ-backed CSV/XLSX bulk jobs, progress tracking, and S3/MinIO storage
  • Built the Shopee platform connection module for inventory, availability, and checkout workflows with OAuth 2.0, HMAC, API integration, scraping, encrypted token storage, Redis caching, background refresh, and multi-shop status and health monitoring

Victory laps

Gov-AI Hackathon 2024

Built NuSantap and won 1st place among 500+ participants from 3 countries after proposal and pitch rounds.

1st Place

Prize: IDR 0

Bonus:

  • Soundcore TWS
  • Merchandises
JIHS Hackathon 2025

Won 1st place in the final round against 9 other teams with PINTARU, an AI learning platform for narrated explanations and illustrated storybooks.

1st Place

Prize: IDR 0

Bonus:

  • IDR 400.000 Voucher
  • Merchandises
elevAIte Hackathon 2025

elevAIte Hackathon 2025

Won 3rd place in Microsoft's elevAIte Indonesia AI hackathon with an Azure-based AI solution focused on sustainability and community impact.

3rd Place

Prize: US$ 0

Bonus:

  • Merchandises
  • Microsoft Voucher

Articles:

Selected works

Filter by type:

Marka preview
Marka favicon

Marka

06/2026 - Present

WebFull-stackAIOpen source

Maintain and extend a self-hostable bookmark library for links, notes, images, PDFs, web pages, and highlights across web, mobile, browser extension, CLI/API, and MCP surfaces. Own background ingestion, full-text search, AI-assisted organization, focused reading, collaboration, and PWA behavior for cross-device access.

Next.js
Node.js
TypeScript
Docker
Meilisearch
OpenAI
wt preview

wt

07/2026 - Present

CLIAutomationOpen source

An agent-first Git worktree manager with isolated slots, port offsets, automatic setup and teardown, concurrency locking, safety checks, and shell navigation for running multiple coding agents on one project without collisions.

Python
SIRA favicon

SIRA

01/2026 - 05/2026

WebFull-stackAIAutomation

SIRA (Smart Invoice Reminder AI) is a production accounts-receivable platform. Led a team of 8 to build daily payment-risk scoring and approval-gated reminder emails with risk-based tone, plus invoice and payment workflows, finance dashboards, Telegram alerts, and CI-backed testing, observability, error handling, and logging, earning the faculty Tech Wizard award.

React.js
Vite.js
TypeScript
TailwindCSS
Python
Supabase
PostgreSQL
Redis

Aurum Art Gallery

11/2025

WebFull-stackAIKnowledge graph

A historic-art exploration app built on a Neo4j knowledge graph. It seeds artwork and artist records, enriches artist relationships from Wikidata, and generates embeddings for semantic artwork search and a Gemini-powered museum guide grounded in retrieved collection context. Visitors can explore a force-directed graph connecting artists, artworks, and artistic movements.

Bun
Next.js
TypeScript
TailwindCSS
Neo4j
Gemini
Vercel AI SDK
Bedah Kampus UI 2025 favicon

Bedah Kampus UI 2025

11/2025

WebFull-stack

Built the Bedah Kampus UI 2025 platform for attendee onboarding, profile and education management, category-based ticket sales, merchandise ordering, and QR ticket generation and scanning. Integrated Midtrans payments, confirmation emails with ticket details, and role-aware auth/RLS for secure organizer operations.

Next.js
TypeScript
Bun
Supabase
Midtrans