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Herman Randriamanantena

Frontend Developer | WordPress | Android (Kotlin & Flutter) | UI/UX Design

Antananarivo, Madagascar | +261 32 81 876 79 | contact@h33.dev | www.h33.dev

Profile

Results-oriented Frontend Developer with 5+ years of experience delivering custom WordPress web platforms and Android mobile applications using Kotlin and Flutter. I combine React, Next.js, and Tailwind CSS frontend work with strong UI/UX design skills, translating Figma concepts into accessible, high-performance digital products. Proven track record across 30+ web projects and 5 mobile applications, specializing in offline-first architectures, RESTful API integrations, custom PHP/ACF engineering, and 95+ PageSpeed optimization.

Technical Skills

Web Technologies: WordPress (Custom Themes & Hooks), Elementor Pro & Divi, WooCommerce & ACF Pro, HTML5, CSS3, JavaScript & TypeScript, React, Next.js & Tailwind CSS

Mobile Development: Android SDK & Kotlin, Jetpack Compose, Flutter & Dart, REST APIs & SQLite / Hive

Tools & Additionals: UI/UX Design (Figma), Git & GitHub Workflow, Postman & API Testing, Adobe Illustrator & Photoshop, MySQL, Caching & PageSpeed SEO

Professional Strengths: Technical Problem Solving, Cross-Functional Collaboration, Autonomous Project Delivery, Attention to UI Detail & Clean Code, Fast Learning & Adaptability

Professional Experience

Frontend Developer

May 2021 – Present

SNOVIBOX, Antananarivo

  • Architected and shipped 30+ custom WordPress websites (corporate portals, WooCommerce shops, custom CMS) from Figma to live deployment.
  • Developed 5 Android mobile applications using Flutter & Dart, implementing secure authentication, local storage, and REST API integration.
  • Led technical client scoping, Git version control, hosting migrations, and delivered continuous SLA security and performance tuning.

WordPress & Frontend Developer (Freelance)

Dec 2025 – Present

Tropi'Com Agency, Antananarivo

  • Architected custom WordPress themes for Hospitality, Tourism & Corporate clients using Elementor Pro, ACF Pro, and custom PHP hooks.
  • Engineered custom booking engines, dynamic CPTs/taxonomies, multi-language setups (WPML/Polylang), and interactive forms.
  • Optimized frontend assets and caching, consistently achieving 95+ Google PageSpeed ratings and strict Core Web Vitals compliance.

Mobile App Developer (Flutter & Android)

Jun 2025 – Jul 2026

Krypteia Technologies, Antananarivo

  • Developed the native Android mobile app with Flutter & Dart for Nutrizzaza field sales reps ('Suivi commercial terrain') with offline SQLite sync.
  • Integrated background GPS route tracking, field order collection, inventory monitoring, and robust synchronization with backend REST APIs.
  • Designed UI/UX mockups in Figma and built the responsive web administration dashboard for real-time sales reporting and rep monitoring.

UI/UX & Brand Identity Designer

2017 – Present

Freelance, Antananarivo

  • Created comprehensive brand identities, vector assets, and design systems in Figma & Adobe CC for Phael Flor, Florentine, and Actiflora.
  • Designed user flows, wireframes, and high-fidelity interactive prototypes for web and mobile interfaces ensuring seamless developer handoff.
  • Produced print-ready packaging designs, marketing collateral, and promotional assets maintaining strict brand consistency.

Education

BSc in Physics & Applications

University of Antananarivo

2015 – 2019

Languages

Malagasy (Native), English, French