End-to-end delivery
Plan, design, build, test, deploy, and maintain production software.
Full-stack engineer / Cebu, Philippines
I'm Menard Rosal and I build software that moves real operations.
Solo lead and full-stack developer with 9+ years of experience across software fundamentals, game development, client systems, AI engineering, and production platforms.
0years developing software
0years full-stack development
0development activity, 2016-2026
0manual work reduced for clients
01 Trusted by teams, companies, schools, and clients
02 Introduction and capabilities
I turn complex work into clear, reliable software.
I started with two years of programming fundamentals, then spent three years developing games before moving into full-stack systems.
Today I build and ship end-to-end products for schools, local and international clients, ecommerce, logistics, retail, and AI teams.
Business systems
APIs, dashboards, automation, ecommerce, inventory, POS, and integrations.
Solo lead ownership
Handle multiple priorities, solve production issues, and consistently ship high-quality work.
03 Selected work
Products built for the real world.
Bodego Universal Inventory System
Universal inventory and POS platform for multi-company retail operations.
TypeScriptReactNode.jsPostgreSQLGoogle Cloud
MAYKaya Ecommerce App
Multi-store ecommerce app for customers, vendors, suppliers, and admins.
ReactNext.jsNode.jsShopify GraphQLKotlin
Play system demo
College of Maasin E-PaySlip System
Desktop payroll and payslip system for reliable school administration.
PythonDesktopPayrollSchool system
Facial Recognition & Student ID Scanner System
Student identity monitoring with face recognition, ID scanning, and SMS.
PythonOpenCVSMSIdentity
Play system demo
OMR Exam Checker
Automated answer-sheet checking and exam result preparation.
PythonOMREducationAutomation
Play mobile demo
Explore Maasin Mobile App
Local discovery app for destinations, businesses, events, maps, and community information.
React NativeFirebaseMapsMobile
OmniaDev - Kaetram MMORPG
Founding development work on levels, items, skills, and gameplay content.
TypeScriptGodotGDScriptGame design
04 Professional experience
Nine years of building and shipping.
Jan 2026 - now
MAYKayaEcommerce company / Freelance94% product contribution
Lead Full-Stack Ecommerce Engineer
Own marketplace architecture, storefronts, supplier workflows, messaging, orders, localization, mobile experiences, and operational admin tools.
MarketplaceMobileMessagingOperations
Marketplace
Mobile
Messaging
OperationsOct 2025 - May 2026
ALiN Cargo ExpressLogistics and cargo operations88% system contribution
Full-Stack Logistics Systems Engineer
Built and improved cargo booking, shipment tracking, customer records, operational reporting, and internal workflow automation.
LogisticsTrackingAutomationReporting
Tracking
ReportingJan 2025 - now
Bodego / CredoTechRetail technology platform100% platform contribution
Solo Lead Full-Stack Developer
Lead architecture and end-to-end delivery for inventory, POS, warehouses, subscriptions, live tracking, and partner client systems.
InventoryPOSAPIsCloud
POSMay 2025 - Jul 2025
Scale AIArtificial intelligence platform76% assigned-work contribution
Software Engineer
Delivered AI evaluation, prompt engineering, APIs, integrations, and commercial codebase work for advanced model-training projects.
AI evaluationPrompt engineeringGraphQLLLMs
GraphQLMay 2025 - Jul 2025
Outlier AIAI training and evaluation76% assigned-work contribution
L12 Squad Reviewer
Reviewed AI-generated solutions and contributor submissions, evaluated code quality, and provided precise feedback across technical tasks.
Code reviewAI evaluationQuality assuranceLLMs
Quality assurance2020 - now
86% delivery ownership
Freelance Full-Stack Developer
Delivered commissioned software for schools, UP Cebu-linked clients, BloodRed, AliN, MAYKape, and other local and international clients.
EducationCommerceDesktopMobile
Education2017 - 2020
OmniaDev / KaetramOpen-source MMORPG68% gameplay systems contribution
Founding Game Developer
Built levels, items, skills, quests, and gameplay content while Kaetram evolved from TypeScript to Godot.
TypeScriptGodotGame systemsOpen source
Game systems05 Development archive
Years of work in motion.
Verified GitLab activity plus reconstructed historical project work.
0synced and reconstructed contributions
0push events in selected year
0repositories in selected year
Repositories active in 2026
Selected-year contribution overview0contributions in 2026
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Click a contribution day to inspect commits, pushes, repositories, and merge requests.
Activity overview
Selected-year repository activity.
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0%Pull requests
0%Commits
Contribution details
2026
06 Tech stack, AI tools, certifications, and education
Built on strong fundamentals.
Programming Languages & Frameworks
TypeScript
JavaScript
React
Node.js
Python
Java
PostgreSQL
Git
Google Cloud
GodotAI Development Workflow
OpenAI CodexFull-stack development
Claude CodeFrontend development
OpenCodePrompt engineering and sub-agents
DeepSeek AICost-efficient codebase analysis
ChatGPTSimple tasks and quick support
Gemini AI StudioCinematic design concepts
GeminiQuick research and web search
Kimi K2Local AI development
CursorMain development IDE
AntigravityCodebase prompts and dependency setup
Certifications & Achievements
PhilNITS IP Exam PasserNational IT certification achievement
Top 8 - Java CodeChumCompetitive programming
PSITE Eastern Visayas Regional ContestRegional programming participation
Top 2 - School Programming ContestSaint Joseph College
Data Privacy 101Certificate of participation
SGF Bootstart 2025Certificate of participation
Educational Background
Bachelor of Science in Information TechnologySaint Joseph College, Maasin City - Graduated 2025, Dean's List 3rd to 4th year
Associate in Computer TechnologySaint Joseph College, Maasin City - 2021 to 2023, Dean's Lister 1st to 2nd year
07 Defensive cybersecurity and trusted-access readiness
Secure software for business-critical systems.
We build secure software solutions for businesses with security by design: secure authentication, password hashing, encrypted communications, role-based access control, secure payment gateway integration, confidential customer data handling, and vulnerability-aware development practices.
Security by design
Architecture and implementation patterns that protect business operations, customer records, payments, account access, and confidential workflows from the first design decision.
Authorized defense only
Trusted Access will be used exclusively for authorized defensive activities, including secure code review, vulnerability assessment, and improving systems we develop or are explicitly authorized to assess.
Controlled operations
MFA, least privilege, environment-based secrets, incident response, usage-review expectations, secure devices, and documented boundaries for all cyber-assisted work.
Evidence package
Security policy, threat model, hardening guide, responsible disclosure, incident response, dependency audit, privacy notes, governance controls, and Trusted Access readiness documentation are maintained with the project.
Have a complex product to build?
Let's make it work beautifully.
Send a project inquiry. I will review the scope and reply with the next steps.