01
Academia Kalbe
Enterprise learning platform for Kalbe with RBAC, course CMS, payments, and OpenAI + Pinecone semantic search across training content.
Next.js Express Prisma PostgreSQL RBAC
Dedy Prasetyo Hermawan
Full-Stack Software Engineer
I ship web and mobile products end to end - clean architecture, practical UX, and systems that hold up in production.
- Years
- 6+
- Projects
- 20+
- Technologies
- 40+
Portfolio
Featured Projects
Proof first: enterprise platforms, product systems, and open-source work I can walk you through.
02
Go ARIF
No-code AI data analytics platform - turn raw data into explanations, exploration, and actionable insights without writing queries.
Next.js TypeScript AI Analytics SaaS Landing Page
03
Socialdesk
Social and brand monitoring workspace - multi-source posts, trends, AI topic insight, and ops alerts in one dashboard.
React TypeScript Dashboard UI Charts API Integration
04
Food Waste Audit
Operational tooling to capture, review, and reduce food waste with structured audit workflows.
Next.js TypeScript Dashboard UI
About
Building products end to end
APIs, data, and UI - with proof in production systems and lessons shared in public.
about.profile
Jakarta, Indonesia
Full-Stack Software Engineer with 6+ years shipping web and mobile products. I own features from API design and data modeling through polished interfaces, testing, and release.
Recent proof: enterprise LMS for Kalbe (MVP in 2 months, RBAC for thousands of employees), multi-year product delivery at VNU (insurance claims 66% faster), plus selective freelance and open-source work.
Based in Jakarta. Available for full-stack contracts and product engineering roles - remote worldwide.
education
1 entry
-
Bachelor of Nuclear Engineering
Universitas Gadjah Mada
GPA 3.35
Transitioned into software engineering in 2019, applying analytical and systems-thinking skills to full-stack product delivery.
Experience
Professional Journey
Full-time product engineering, plus selective part-time and freelance delivery when it fits.
Metrics first where I have them. Concurrent roles are intentional - full-time ownership plus focused side delivery, not job hopping.
-
Software Engineer
Part-time NowARIF Analytics Remote
Building the Go ARIF no-code AI analytics product: web app and marketing surfaces under aggressive demo timelines.
- Shipping product and marketing web experiences for a no-code AI analytics platform (explain data, multi-step analysis, insights without SQL).
- Improved performance, accessibility, and SEO on customer-facing surfaces under aggressive demo timelines.
- Delivered responsive UI components for consistent cross-device demos and day-to-day use.
ReactNext.jsTypeScriptTailwind CSSSEO -
Software Engineer
Full-timePT. Kalbe Farma Tbk Jakarta, Indonesia
Impact-dense full-stack engagement: architected an enterprise LMS (Next.js, Express, Prisma, PostgreSQL) from zero to production MVP.
- Built admin dashboards for courses, academies, CMS, and payments using Prisma and Knex.js on PostgreSQL.
- Implemented NextAuth authentication and RBAC for thousands of employees across divisions.
- Engineered semantic search with OpenAI embeddings and Pinecone for context-based training discovery.
- Established Playwright E2E testing; delivered MVP in 2 months (ahead of a 3-month schedule) and reduced production bugs.
Next.jsExpressPrismaPostgreSQLNextAuthRBACOpenAIPineconePlaywright -
Software Engineer
FreelanceCROSVA Australia (Remote)
Implemented GitHub Actions CI/CD and single-command releases; cut deployment time from 20-30 minutes to under 10 minutes and reduced release errors.
- Implemented GitHub Actions CI/CD and single-command releases.
- Cut deployment time from 20-30 minutes to under 10 minutes.
- Reduced release errors by replacing manual steps with scripted workflows.
GitHub ActionsCI/CDDockerAutomation -
Software Engineer
Full-timePT. Visi Nusapati Utama Jakarta, Indonesia
Led cross-industry product delivery spanning financial reporting, insurance automation, and operational dashboards.
- Cut insurance claims turnaround from 3 days to 1 day (66% faster) by architecting an automated processing system (NestJS, Express, REST APIs).
- Led a team of 3 engineers on a financial reporting web app (Next.js, Express, NestJS) with real-time budget tracking for a mining and charter company.
- Delivered 10+ projects across logistics, insurance, and e-commerce using Next.js, React Native, and Flutter, with 100% client satisfaction.
- Improved operational efficiency by an estimated 30% by reducing manual workflows; partnered with stakeholders on agile delivery.
Next.jsNestJSExpressTypeScriptReact NativeFlutterPostgreSQLREST API -
Software Engineer
Part-timeMembagi Jakarta, Indonesia
Led web profile, admin dashboard, and mobile app delivery; launched in under 6 months.
- Launched web and mobile platforms in under 6 months.
- Built an AI recipe recommendation system from leftover ingredient data.
- Improved operational visibility through connected admin and mobile experiences.
Next.jsReact NativeFlutterAI Recommendation -
Frontend Engineer
FreelanceTwilink Australia (Remote)
Built influencer dashboard for content management and monetization with real-time API sync.
- Delivered MVP 1 week early for beta onboarding.
- Built content management and monetization dashboards with real-time API sync.
- Implemented responsive UI components for cross-device consistency.
ReactNext.jsTypeScriptREST API -
Frontend Engineer
FreelanceCodedata Australia (Remote)
Built React frontend for a RAG AI Q&A chatbot from uploaded files.
- Shipped MVP in 4 weeks with AI and backend teams.
- Built React frontend for RAG Q&A over uploaded documents.
- Collaborated on file parsing and real-time response handling.
ReactTypeScriptRAGAI Integration -
Software Engineer
Full-timeNusantech Jakarta, Indonesia
Delivered client web projects and co-developed a tech education workshop and LMS MVP.
- Delivered 5+ client web projects on time using React and Node.js; aligned estimates and timelines with PMs and stakeholders.
- Mentored 3+ high school interns on software fundamentals.
- Co-developed concept and MVP for a tech education workshop and LMS.
ReactNode.jsJavaScriptTypeScriptMySQLGit
Tech Stack
Skills & Technologies
Core technologies across frontend, backend, mobile, data, and delivery tooling.
stack.spec
6 groups · 40 tools
- 01
Frontend
React Next.js TypeScript Svelte / SvelteKit Astro HTML / CSS Tailwind CSS - 02
Backend
Node.js Express NestJS REST APIs NextAuth Auth & RBAC Axum PostgreSQL MySQL Prisma Knex.js Drizzle TypeORM - 03
Mobile
React Native Flutter Cross-platform Apps - 04
DevOps
Git, GitHub, GitLab GitHub Actions CI/CD Docker Playwright Firebase - 05
Languages
JavaScript TypeScript Python Golang Rust - 06
AI / ML
RAG Prompt Engineering OpenAI Embeddings Pinecone Semantic Search Recommendation Systems
TodayILearned
Latest Lessons
A 365-entry public challenge across databases, algorithms, and system design; catch-up entries may publish in batches.
til.challenge
day 053 / 365
053
of 365 days
14.5% complete · 53 published · 35 with video
- Databases 23
- Algorithms 15
- System Design 15
Latest
Day
053
Algorithms
New
Trapping Rain Water - water above every index
Per-index min(leftMax,rightMax)-height. Two pointers O(1) space. 2764x vs brute, 15.7x vs precompute at n=2K.
Blog
Latest Posts
Depth over diary: production systems, architecture, and delivery notes.
Featured note
7 min read
Building a Production RAG Pipeline That Doesn't Hallucinate
From chunking strategies to hallucination detection - how to build a RAG pipeline that actually works in production, not just in a demo.
ragailangchainproductiontypescript
Continue reading Work With Me
Available for Full-Stack Contracts
Web and mobile apps, APIs, product systems, and CI/CD. Remote - worldwide. Email or LinkedIn - no form spam.
Open Jakarta, Indonesia Remote ~1 day reply