Herman Randriamanantena

UX/UI Designer \| Mobile & Web Developer

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

Profile

Creative and detail-oriented UX/UI Designer, Mobile & Web Developer with nearly 5 years of professional experience. Expert at crafting user-centric digital experiences by combining high-fidelity UX/UI design, mobile development via Flutter, and web development with WordPress (using Elementor and advanced theme builders). Skilled at translating product requirements into interactive prototypes and responsive production code, bridging the gap between aesthetics and technical execution.

Professional Experience

WordPress Developer (Freelance)

Dec 2025 – Present
Tropi'Com Agency, Antananarivo
  • Develop custom WordPress themes and websites using Elementor and native theme builders for diverse marketing and business campaigns.
  • Translate visual designs and Figma layouts into responsive, lightweight, and high-converting WordPress sites.
  • Ensure visual consistency, optimize web performance (page speed), and manage hosting and CMS configurations.

Flutter Mobile Developer (Freelance)

June 2024 – Present
Krypteia Technologies, Antananarivo
  • Design and develop cross-platform mobile applications using Flutter, delivering responsive and high-fidelity user interfaces.
  • Collaborate with cross-functional teams to integrate secure REST APIs and manage client requirements.
  • Build, test, and optimize application performance, ensuring clean codebase architectures and smooth visual micro-animations.

UX/UI Designer & Mobile Developer

May 2021 – Present
SNOVIBOX, Antananarivo
  • Design and develop intuitive user interfaces and cross-platform mobile applications (Flutter) for enterprise clients, including Nutri'zaza and ASMAE.
  • Create comprehensive UI/UX deliverables, including high-fidelity wireframes, interactive prototypes, and layout mockups using Figma.
  • Deploy production-ready mobile apps onto the Google Play Store and Windows Store, managing cross-platform building configurations.
  • Act as the strategic pivot between business requirements, design assets, and clean codebases to ensure high-performance mobile execution.
  • Optimize usability, layout responsiveness, and memory performance across mobile interfaces and digital touchpoints.

Consultant Designer Graphique

April 2022 – Oct 2022
MK-CO, Antananarivo
  • Defined and maintained corporate design systems, style guides, and brand identities to accelerate commercial growth.
  • Ensured uniformity and strict visual consistency of the brand across all digital and print channels.
  • Collaborated closely with communication teams to translate marketing objectives into impactful visual deliverables using Adobe Creative Suite.

Freelance Graphic Designer

2017 – Present
Freelance, Remote
  • Started career here, collaborating with a wide range of clients—including individuals, companies, and organizations—to deliver high-quality visual designs.
  • Designed corporate branding, vector illustrations, mockups, and marketing assets using Adobe Creative Suite.
  • Managed client communications, project requirements, and end-to-end deliverables to ensure visual alignment.

Education

Master II, Astronomy & Astrophysics

2022 - Present
University of Antananarivo
  • Specialization in Data Visualization and Computational Astrophysics, applicable to UX research.

BSc, Physics & Applications

2015 - 2019
University of Antananarivo
  • Analytical and logical problem-solving skills essential for complex system design.

Toolkit

Design & Prototyping

UX/UI DesignFigma PrototypingUser-Centered DesignWireframingAdobe XDIllustrator

Development

Flutter (Mobile Dev)WordPressElementor Page BuilderHTML & CSSDart

Data & Analytics

Data VisualizationPythonPowerBI