Software, AI and data case studies with my contribution and results: software since 2019, data and ML since 2021, and enterprise AI since 2026.
~2 s to ~0.2 s
Knowledge-lookup interruption latency, controlled A/B (n=4 calls per arm)
ARIA, MII's voice AI contact center: ~2 s to ~0.2 s interruption latency in a controlled A/B (n=4 calls per arm), grounded answers and human handover.
8 engines
Scanning engines per pull request in a 100+ repository organization
Pris.AI, MII's AI code security platform: eight scanners per pull request, readable AI triage and a fix agent that opens PRs with validation and guardrails.
90.9% to 36.4%
False-positive rate on noisy clean packets, offline development set
MII Fraud Detection: OCR and two-pass LLM procurement review, with offline development-set evaluation. The hybrid engine remains in shadow mode only.
10+
Client projects that adopted the template
The MII AI Dashboard Template, a shared starting point for client AI apps, combining the web tier, agents, persistence, sign-in and infrastructure.
6 weeks
First commit to deployed portal, as the sole engineer
eVendor, Metrodata's vendor portal for purchase orders, delivery acceptance, invoices, tax checks and approvals, built by one engineer in six weeks.
MII E-Recruitment: ~45% failures in the original 22-pair screening run; no recorded rerun. AI supplies evidence; the recruiter makes the final decision.
~45%
Failure rate, original 22-pair screening run; no recorded rerun
Document AI for a national digital bank's evaluators, with strict access control, data at rest in an Indonesian Azure region and faster document processing.
~20% faster
Document processing: mean run 233.9 s to 186.8 s; slowest run -34%
Pre-order, payment and shipping workflows for an anime figure store that remains online.
3+ years
My longest engagement, spanning Sep 2019 to Dec 2022
Automated scan scheduling, asset ownership and remediation reporting for Indonesia's national cyber agency.
28 PRs
Pull requests merged over about three and a half months, from initial migration to scheduled exports
Order-to-fulfil (OTF) planning on Microsoft Fabric for a national bakery brand: a forecasting dashboard on the client's real sales data since October 2026, fed by a contract-first medallion pipeline from an on-premise database.
~21 s to ~1.1 s
Time to first byte after addressing throttling
The bilingual portfolio site of MII's Microsoft AI practice, in dark and light themes, with a multi-agent RAG assistant that answers with citations and a /dashboard Studio for content and analytics.
-23%
Reduction in prompt tokens; model calls per turn fell from 3 to 2
MII's public Microsoft Solutions website in English and Indonesian, built from 17 specs to present its practice areas, completed work, products, licensing and promotions.
17 specs
Specs guiding delivery from the first page to production
An event ticketing platform with an attendee site, an organizer dashboard and an Express API, from event discovery to QR e-tickets.
3 apps
Delivered as an Express API, an attendee site and an organizer dashboard
A 2026 hackathon project that turns a garment sketch and five body measurements into a made-to-measure pattern, calculated fabric lengths for each roll width and a shopping list, with tools for reusing old clothes.
1,390
Backend tests passing
MII Deck, a slide-authoring and hosting app with MII light and dark components, plus Deck Studio inside the colleague-led MII Cowork platform. Agent drafts need owner approval and publish through checked pull requests.
21 PRs
Merged pull requests in MII Deck, Sep to Oct 2026
A frontend revamp for MII Cowork, the AI workspace with a sandbox for each conversation, plus Deck Studio for creating MII Deck presentations alongside the chat.
194
Commits by Kurniadi, merged in 10 pull requests
A self-hosted Gmail and Outlook assistant: Microsoft-Decision-1 scores email, code adds guardrails and reasons, and the owner approves every move to Trash or Archive.
1,589
Automated tests passing
A team's winning entry in a national data analysis competition: CNN-LSTM for e-wallet reviews in the selection phase, then IndoBERTweet for PPKM policy tweets in the final.
1st place
IFEST 2021 Data Analysis Competition, final round
A historical 2021 N-BEATS study of Indonesia's COVID-19 cases and vaccinations. Reported R-squared values are in-sample checks, not held-out tests.
0.992
Daily case model R-squared, in-sample historical forecast
Ticketing for limited-quota premium events, with atomic booking designed to prevent overselling, online payments and QR e-tickets.
45%
Share of non-merge commits I authored (32 of 71), plus 14 of 24 merged pull requests
Two Laravel platforms for alumni engagement and fundraising, and student counseling case management.
2 platforms
University platforms delivered, covering a public portal and admin analytics
A consumer health company's WhatsApp program dashboard for healthcare professionals, rebuilt from Streamlit to Next.js and FastAPI with dual-control broadcasts, tuned on Azure until no request stalled over 2 s, and now live in production.
60 s → <2 s
Worst stall on a 0.2 s endpoint on Azure, before and after the API and worker split
MII AI Ticketing, moved from LangGraph to Microsoft Agent Framework while preserving the public API.
14 tools
Agent tools migrated across 130 files, with the public API unchanged
Browser-based gradient-boosted credit scoring that advises, while the credit officer decides.
In-browser
Client-side scoring using ONNX Runtime Web
Insurance partner integrations and in-house SFTP file exchange for a digital bank.
5 partners
Insurance partners integrated; operational errors reduced by about 30%
A live ticket marketplace backend for auctions, resale, wallet accounting and partner settlement.
61%
Share of repository commits I authored (162 of 267)
Shared SaaS platforms for corporate legal, asset and task management, with tenant-specific access.
500+
Users served by the multi-tenant SaaS platforms
Faster payment processing, realtime updates and a GraphQL homepage backend for MNC Group's travel platform.
-15%
Reduction in realtime request latency with WebSocket and Redis
Written specs and constitutions guide parallel AI coding agents, with human review required at every merge.
9+ repos
Repositories developed through the spec-first workflow
A fine-tuned IndoBERT model, a FastAPI inference API and a Django dashboard that tracks sentiment in university-related posts.
89%
Validation accuracy of the fine-tuned model
A Streamlit app that allocates a portfolio across chosen S&P 500 stocks with linear programming and SLSQP, under sector constraints.
2 solvers
Linear programming and SLSQP compared in one view
Notebooks that collect a Kampus Merdeka participant's own daily and weekly reports into CSV or Excel files.
21 stars
The most-starred of Kurniadi's public repositories
Improved matchmaking search and LLM-based feedback analysis for a Singapore event-tech company.
+40%
Increase in search relevance with collaborative filtering
Backend modules for catalog, cart, orders and CRM, developed with an agency team in a TypeScript monorepo.
16 PRs
Pull requests for backend modules merged into the team monorepo
Four MII AI products packaged as Azure Managed Application plans and validated by real test installs. Releases are signed, ARM-TTK runs in CI and metering is built but switched off. Partner Center offers are not yet created.
36 defects
Install-blocking defects fixed before post-install checks passed
Model migration in one day, coordinated key rotation, alerts managed as code and a Node.js security patch sweep across AI apps.
23 deployments
New model deployments created in 12 resource groups within one day
A fraud review dashboard for an automotive manufacturer, delivered in two days from a team prototype, followed by work on the client's security-assessment findings.
2 days
Time to the first working client dashboard
Resumable document processing and fewer sequential data calls for a coal mining group's finance assistant.
Resumable
Document processing that resumes after crashes
Dual-control maker-checker approvals and audit trails for an enterprise GenAI admin portal.
Maker-checker
Role and group changes under dual control, with audit diffs
Voice and chat AI solution architecture for integration with an insurer's existing contact-center and CRM platforms.
13 diagrams
Architecture diagrams covering network, security, reliability and DR
