Skills & Engineering Matrix
Evidence-oriented breakdown of programming languages, frameworks, cloud infrastructure, and architectural methodologies verified through production projects.
Languages
Core programming languages utilized across backend services, frontend applications, and systems scripting.
PHP
ProficientEngineered Laravel REST APIs and shared hosting production deployments for desafajarbaru.co.
Python
ProficientDeveloped Django REST Framework services, JWT authentication, and automated reporting engines for Agent.
JavaScript / TypeScript
ProficientArchitected production Next.js and React applications for SILOMPAT, BRT ITERA, and this portfolio.
Kotlin
Working KnowledgeBuilt native Android capstone application EduVerse with Coroutines and MVVM architecture.
SQL
ProficientDesigned and optimized relational schemas in PostgreSQL and MySQL with transaction safety and indexing.
GDScript
Working KnowledgeProgrammed 3D player kinematics, finite state machine AI, and sound attenuation for Lilu in Godot.
Frameworks & Fullstack
Web development frameworks used to build decoupled systems, high-concurrency APIs, and reactive interfaces.
Next.js
ProficientImplemented App Router architectures, server-side rendering, and responsive dashboards for SILOMPAT and BRT ITERA.
Laravel
ProficientDeveloped decoupled REST APIs with role-based policies, database migrations, and administrative workflows.
React.js
ProficientBuilt modern single-page applications with Vite, client-side caching, and optimistic UI synchronization.
Django
ProficientConstructed RESTful backends, token rotation middlewares, and automated office reporting engines.
Node.js / Express
Working KnowledgeEngineered high-throughput API endpoints handling real-time bus telemetry and IoT payment reconciliation.
Tailwind CSS
ProficientDesigned responsive, accessible dark-theme interfaces with custom design tokens and semantic HTML.
DevOps, Cloud & Infrastructure
Server administration, reverse proxy routing, process resilience, and deployment automation.
Linux VPS
ProficientAdministered Ubuntu servers, configured systemd services, SSH key security, and firewall rules.
Nginx
ProficientConfigured reverse proxy routing, SSL/TLS certificates via Certbot, and rate limiting for API endpoints.
Docker
Hands-on ExperienceContainerized fullstack application environments for reproducible deployments across testing and production.
PM2 & Gunicorn
ProficientManaged background worker processes, automatic crash recovery, and WSGI lifecycle for Python/Node backends.
Git & GitHub
ProficientMaintained structured version control, feature branch workflows, and repository management.
Shared Hosting & Apache
Hands-on ExperienceConfigured custom .htaccess rewrite rules to run decoupled React SPAs and Laravel APIs without a VPS.
Databases & Cloud Services
Data persistence, schema design, integrity guarantees, and third-party cloud integrations.
PostgreSQL
ProficientDesigned relational schemas with row-level locks, composite telemetry indexing, and audit logging.
MySQL
ProficientMaintained transactional database storage for village administrative records and citizen document requests.
Firebase Cloud Firestore
Working KnowledgeImplemented real-time bidirectional database sync and security rules for EduVerse interactive discussion threads.
Firebase Auth
Working KnowledgeConfigured student authentication tokens and secure session persistence in native Android.
Architecture & Methodologies
Software engineering design patterns, security protocols, and development lifecycles.
RESTful API Design
ProficientAuthored structured API contracts with standard HTTP status codes, pagination, and JSON serializers.
JWT Authentication & Cookies
ProficientEngineered secure HTTP-only cookie token rotation preventing XSS token theft across enterprise portals.
Decoupled Architecture
ProficientSeparated frontend rendering from backend business logic to achieve modular scalability.
Full SDLC Execution
ProficientExecuted projects from requirement analysis and schema modeling through testing, deployment, and handover.