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Available for Full-Stack & Engineering Lead Roles

Hi, I'm Alejo Rostata

Full Stack Software Engineer & Team Lead

~10 Years

Software Dev Experience

Full-Stack

Web, Mobile & APIs

Seasoned Full Stack Software Engineer & Team Lead with nearly a decade of experience architecting and delivering web and mobile systems. Proven leader driving engineering team performance (KPIs & PAF) while delivering modern scalable applications.

Naga City, Camarines Sur, Philippines
Team Lead @ Kryterion
MS IT Candidate
Explore Experience
alejo_console.ts
Interactive

// Software Engineering Lead Overview

Primary Role

Full Stack Software Engineering & Team Lead @ Kryterion

Core Specialization

Java (Spring Boot), Next.js, Vue.js, Supabase, Flutter, React Native

Engineering Leadership

Driving Team Velocity, KPIs & Performance Appraisal Frameworks

Ready for Engineering Opportunities
Career History

Work Experience & Technical Leadership

Nearly a decade of progression from system development to full-stack engineering and team leadership across international and enterprise environments.

Software Engineering Team Lead

Kryterion, Inc. (Webassessor Platform)

"Leading engineering team execution, architectural scaling, and full-stack development for the Webassessor test delivery platform across web and mobile."

Key Responsibilities & Achievements

  • Lead the design, development, and scaling of the Webassessor online assessment platform across web and mobile using Java (Spring Boot), MariaDB, SQL, Vue.js, Next.js, Tailwind CSS, Bootstrap, Flutter, and React Native (iOS & Android).
  • Provide technical leadership and architectural guidance to ensure high performance, security, WCAG AAA web accessibility, multi-language internationalization (i18n), and scalability for global exam sessions.
  • Mentor software engineers through regular 1-on-1 sessions, performance reviews, and career development planning.
  • Coordinate with cross-functional teams, including Software Engineers, Product Team, Business Analysts, UI/UX Designers, QAs, DevOps, DBAs, CTO, and Managers to align priorities and drive strategic initiatives.
  • Champion Agile methodologies, improving team workflows, sprint planning, and delivery efficiency.
  • Foster a collaborative and growth-oriented engineering culture focused on innovation, accessibility standards, and continuous improvement.

Technologies & Tools

Java (Spring Boot)Vue.jsNext.jsFlutterReact NativeNode.jsTailwind CSSBootstrapMariaDBLiquibaseJWTREST APITwilio APIDockerGradleGitJiraJenkinsJFrogRabbitMQAWSNginxJanusRedisTeam LeadershipAgile Scrum
Technical Ecosystem

Skills, Languages & Frameworks

Comprehensive skill set built across backend APIs, modern frontend web apps, mobile, AI tools, Supabase, and engineering leadership.

Backend & APIs

12 skills
Java (Spring Boot)
C# / .NET
PHP / Laravel
Node.js / Express
Python
REST APIs
Twilio API
Google Maps API
Stripe (Payments)
Resend.com (Emails)
Microservices
JWT Auth

Frontend Web & Desktop

11 skills
Next.js (App Router)
Vue.js
React
TypeScript
Electron.js
Shadcn UI
Tailwind CSS
Web Accessibility (WCAG AAA)
WAI-ARIA 1.2
Bootstrap
WordPress

Mobile & Cross-Platform

4 skills
Flutter (iOS & Android)
React Native (iOS & Android)
Android Studio (Native)
Cross-Platform Architecture

AI Tools & Productivity

5 skills
Gemini Antigravity
Claude Code AI
GitHub Copilot
Prompt Engineering
AI Workflow Integration

Databases, Cloud & DevOps

11 skills
Supabase (PostgreSQL)
MariaDB / MySQL
CouchDB / PouchDB
Redis
Liquibase
Vercel (Hosting)
Docker
Git
Jira
Jenkins CI/CD
AWS Services

Leadership & Delivery

5 skills
Team Leadership
Team KPIs Management
Performance Appraisal Frameworks (PAF)
1-on-1 Mentorship
Agile Scrum Delivery
Featured Projects

Projects & Systems I've Built

A showcase of SaaS products, mobile apps, and enterprise systems I've architected, built, or currently maintain.

Web & CloudSaaS / B2B Platform
Live Site

QAPione — Automated Quality Assurance Platform

Cloud-native automated software testing and QA workflow manager.

Database: Supabase (PostgreSQL)

Architectural & Engineering Highlights

  • Multi-tenant SaaS with Supabase PostgreSQL, Stripe payments, and Row Level Security.
  • Automated test suite execution, real-time result dashboards, and Vercel cloud hosting.
Next.jsVue.jsTypeScriptSupabaseTailwind CSSShadcn UIStripeVercel
Visit Live Site
Web & CloudSaaS / B2B Web & Mobile Platform
Live Site

Stelifo — SaaS & B2B Web & Mobile Platform

Digital transformation SaaS platform featuring web and mobile apps for automated business workflows.

Database: Supabase (PostgreSQL)

Architectural & Engineering Highlights

  • Web application platform and cross-platform mobile app built with React Native.
  • Integrated Stripe subscription payments, Resend.com transactional emails, and Vercel hosting.
Next.jsReactReact NativeSupabaseShadcn UITailwind CSSStripeResend.comVercel
Visit Live Site
Web & CloudSaaS / AI Product
Live Site

Vibe AI — Intelligent Workspace Assistant

AI-driven content and productivity engine powered by generative AI models.

Database: Supabase (PostgreSQL)

Architectural & Engineering Highlights

  • Integrated LLM API streams for prompt generation and code refactoring.
  • Deployed on Vercel with high-performance Next.js App Router architecture.
Next.jsReactTypeScriptSupabaseShadcn UITailwind CSSVercel
Visit Live Site
Enterprise & AutomationEnterprise Assessment Platform
Kryterion, Inc.

Webassessor — Kryterion Online Assessment Platform

High-concurrency global exam proctoring and test delivery platform serving thousands of candidates simultaneously.

Database: MariaDB + Redis Caching

Architectural & Engineering Highlights

  • Scaled core assessment delivery engine with high-concurrency exam session state.
  • Engineered multi-language internationalization (i18n) and dynamic localization engine supporting seamless language switching for global test candidates.
  • Engineered responsive web interfaces using Vue.js, Bootstrap, and Tailwind CSS with WCAG accessibility standards.
Java (Spring Boot)Vue.jsNext.jsBootstrapTailwind CSSMariaDBRedisDockerJenkins
Academic Background & Honors

Education, ACM-ICPC & Achievements

Rooted in strong computer science fundamentals, continuous graduate education, and competitive algorithmic problem-solving.

Formal Education

Master of Science in Information Technology (MS IT)

Ateneo de Naga University

Graduate Candidate
2023 — Present
•
Naga City, Philippines

Advanced coursework in Software Engineering Architecture, Enterprise Systems, and IT Management.

Bachelor of Science in Information Technology (BS IT)

Partido State University

Graduated
2012 — 2016
•
Camarines Sur, Philippines

Graduated with strong foundations in Computer Science, Data Structures, and Algorithmic Programming.

Honors & Competitions

ACM-ICPC Philippine National Contestant

2014

ACM International Collegiate Programming Contest

Selected as a national contestant representing Partido State University in the prestigious ACM-ICPC algorithmic programming competition.

Engineering Team Lead Promotion

2024

Kryterion, Inc.

Promoted to lead full-stack engineering team for the Webassessor platform, managing architecture, team KPIs, and PAF reviews.

Let's Connect

Get In Touch

Whether you are looking for a full stack software engineer, technical lead, or consulting partner, feel free to connect directly via Email or Viber.

Email Address

alejorostata@gmail.com

Mobile / Viber

Viber Active
+63 949 575 6987

Location

Naga City, Camarines Sur, Philippines

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