01 / Clarify
Map the real workflow
Turn broad product ideas into screens, roles, actions, states, and the data each view needs to be useful.
Discuss this buildFull-stack product engineer
Ryo Ferdinand
I design and ship product-minded web applications, from dashboards and workflow systems to AI-assisted tools, with clean interfaces and reliable implementation.
- Case studies
- 8 project stories
- AI dataset
- 18,631 URLs
- Simulation score
- 0.8621
React
APIs
Databases
Performance
Product UX
Automation
Realtime Systems
Data Simulation
Vercel
How I work
I move from product problem to shipped interface.
I keep the path simple: define the workflow, model the data, build the interface, then ship it with a production-minded deployment.
02 / Build
Connect interface and logic
Build responsive UI, APIs, data structures, forms, filters, validation, and feedback loops with a practical full-stack path.
Discuss this build03 / Ship
Polish and deploy
Tighten responsive behavior, performance, accessibility, and deployment details so the product can be shared confidently.
Discuss this buildSelected projects
Selected projects with real product thinking.
A focused look at full-stack applications, dashboards, simulations, AI-assisted workflows, security assessments, and tools built around practical user needs and measurable outcomes.
01 05
01 / GameOps observability
TFT Performance Lab
A production-style Riot API analytics lab for Teamfight Tactics that syncs SEA match history, stores summaries, exposes service health, and shows Grafana-backed operational visibility.
- Backend
- Go API
- Services
- Docker
- Ops
- Grafana
02 / Data simulation
Nirkabel: Jakarta air quality simulation
A Jakarta AQI simulation that converts collected air-quality data into pollutant predictions, OMNeT++ comparisons, and validation against ground-truth readings.
- Overall score
- 0.8621
- Precision
- 93.85%
- Good agreement
- 66.7%
03 / Environmental compliance
Environmental Action Tracker
A .NET 10 compliance system for logging inspection findings, filtering risk by severity and status, and tracking corrective actions from draft to closure.
- Stack
- .NET 10
- Workflow
- Action tracking
- Focus
- Compliance
04 / Cybersecurity AI
PHISHNET: Indonesian phishing URL detection
A Chrome extension and FastAPI inference system that scans URLs, warns users on suspicious pages, tracks history and statistics, and supports feedback for false positives or false negatives.
- Dataset
- 18,631 URLs
- Model
- IndoBERT
- Domain F1
- 0.9669
05 / AppSec testing
LMS Paywall API Case Study
A redacted security assessment showing how a freemium LMS displayed the correct browser paywall while the backend lesson API returned paid content metadata to a logged-out request.
- Severity
- High
- CVSS
- 7.5
- Mapping
- A01/API1
06 / Incident response
macOS Malware Incident Response
An evidence-first defensive investigation into fake Apple-looking LaunchDaemons, hidden payload paths, root-owned processes, ad-hoc signed binaries, quarantine, cleanup, reboot checks, and a DOCX evidence report.
- Persistence
- 3 plists
- Analysis
- Static
- Report
- DOCX
07 / Wellness LMS
Workplace Wellness LMS
A confidential wellness learning platform that connects course discovery, instructor lesson editing, Bahasa Indonesia translation, authentication, checkout, and virtual account payment into one LMS workflow.
- Product
- LMS
- Builder
- 8 blocks
- Payment
- VA flow
08 / AI transcription
Verbatim Transcript Solution
A confidential workflow that converts interview audio into a timestamped, speaker-labeled Word transcript while keeping participant names and sensitive transcript content redacted for NDA and data compliance.
- Pipeline
- 6 steps
- Format
- Verbatim
- Output
- .docx
Engineering stack
A full-stack skillset built for useful products.
I care about the whole product path: how it looks, how it behaves, how it stores data, how it performs, and how quickly users can trust it.
Frontend
- Responsive product interfaces
- Accessible components and motion
- Performance-aware UI decisions
Backend
- API design and data modeling
- Authentication and protected flows
- Integrations, jobs, and deployment
Product
- Clear user journeys
- Fast iteration from idea to launch
- Reliable handoff and maintainability
Delivery leadership
I manage remote teams and turn rough ideas into shipped work.
I coordinate an India-based delivery team across planning, audits, testing, project management, and product decisions. My role is to make the work clear: refine ideas, catch quality issues, test user flows, give insight on blockers, and keep the project moving toward something usable.
Remote Team Management
Keeping scope, priorities, timelines, and team communication aligned across distance and handoffs.
Audit & Testing
Reviewing implementation quality, checking user flows, and catching issues before launch.
Idea Refinement
Turning unclear requests into practical next steps, edge cases, and decisions the team can act on.
Problem Insight
Helping the team diagnose blockers, compare options, and choose the path that best serves the product.
Competitive discipline
The same focus behind my engineering work.
National Scrabble player
Pattern recognition, vocabulary depth, board control, and calm decisions under time pressure.
National-level online game competitor
Fast adaptation, matchup reads, resource planning, and consistent execution in changing systems.
Two-time TFT winner as jhinderella
Strategic iteration, probability thinking, and turning complex states into decisive moves.
Body and mind
I train my body so my thinking stays sharp.
"A healthy body is needed for a healthy mind. That is why I work out to keep my mind sharp and fresh, ready to tackle any problem that comes at me."
Ryo Ferdinand
Available for builds
Need a developer who can think, build, and ship?
Tell me the product you want to launch. I will help turn it into a clean, functional, Vercel-ready web experience.