Available for remote or hybrid work

Web & mobile products, from pixel to prod.

I'm Titosy, a fullstack JavaScript & Flutter developer based in Antananarivo. I work at every stage of a project, from scoping the requirements to shipping to production, to deliver simple and effective solutions.

Next.jsFlutterNest.jsLLMWebMobileAPI

Projects

Products that are live and used for real.

Services

What I can do for you.

Web Development

Modern, high-performance web apps with React, Next.js and TypeScript.

  • React / Next.js
  • Responsive websites
  • Progressive Web Apps
  • API integration

Mobile Apps

Cross-platform apps with Flutter. A smooth experience on iOS and Android.

  • Flutter apps
  • Mobile UI/UX
  • Firebase integration
  • App Store & Play Store

UI/UX Design

Elegant, accessible interfaces with Figma. Modern designs that captivate.

  • Figma prototyping
  • Design System
  • Responsive interfaces
  • Accessibility

Consulting & Training

Technical guidance and training for your teams on modern technologies.

  • Technical audit
  • React/Flutter training
  • Code review
  • Best practices

Experience

Four years of shipping, from agency to SaaS.

  1. Since Oct. 2025 · Hybrid

    Experienced JavaScript / Flutter / Kotlin Developer · Fluentech

    Designing and building WASIA SUP' (wasiasup.com), an all-in-one SaaS platform supporting businesses in Mayotte: project management, funding requests, invoicing, automated business plan creation, financial forecasting and statements, all driven by an agentic AI copilot.

    • Next.js Multi-Zones
    • Turborepo
    • Mastra AI
    • Convex
    • Inngest
    • Prisma
    • PostgreSQL
    • Terraform
    • Kubernetes
    • Argo CD
    • Prometheus
    • Grafana
    • Flutter
    • Kotlin
    Details
    • Built an agentic AI copilot with Mastra AI (memory and RAG on Convex): navigation, one-click creation, pre-filled forms, tools filtered by role and gated behind a confirmation.
    • Generated the forecast business plan (P&L, intermediate balances, working capital, cash flow, balance sheet) from a guided questionnaire, with PDF export.
    • Set up a micro-frontend architecture with Next.js Multi-Zones in a layered Turborepo monorepo (domain, services, data access).
    • Set up asynchronous workflows with Inngest.
    • Run the full workflow, from development to delivery, with GitOps (GitHub Actions, Terraform, Kubernetes, Argo CD) and Prometheus and Grafana monitoring.
  2. Jul. 2025 to Oct. 2025 · Hybrid

    Fullstack JavaScript Developer · PUSH-IT

    Development of a software license management application.

    • Next.js
    • Express
    • PostgreSQL
    • TypeORM
    • GraphQL
    • Mender.io
    • Zoho Book
    • Cryptolens
    • Monorepo
    Details
    • Integrated Cryptolens to manage and secure licenses.
    • Set up software update management with Mender.io.
    • Integrated billing and payments through Zoho Book.
    • Developed the frontend with Next.js.
    • Designed the backend with Express, PostgreSQL, TypeORM and GraphQL.
    • Organized the project as a monorepo to ease maintenance and collaboration.
  3. Jul. 2022 to Jul. 2025 · Hybrid

    JavaScript Developer · Bocasay

    Contributed to the development and maintenance of a regulatory compliance application for chemicals, cosmetics, biocides and medical devices. Worked with cross-functional teams to ensure quality, performance and fast delivery.

    • React
    • ExtJS
    • GraphQL
    • Scrum
    Details
    • Developed and maintained user interfaces with React and ExtJS.
    • Connected front-end features to server data through GraphQL.
    • Took part in daily meetings and sprint planning to stay aligned with the project goals.
  4. Mar. 2022 to Jul. 2022 · Remote

    JavaScript & Flutter Developer Intern · Flit Soft

    Member of a team in charge of integrations and developer tooling. Main mission: improve and simplify the developer experience by optimizing tools and processes, keeping them accessible and meeting the specific needs of technical teams.

    • JavaScript
    • Flutter
    • Dart
    • Mvola
    Details
    • Integrated Mvola payments into a car-sharing and taxi-driver app.
    • Built a code generator in Dart to speed up development.
    • Took an active part in regular meetings and presented proposals across the company.
  5. Oct. 2018 to Oct. 2022 · Education

    Bachelor's degree in Software Engineering · ISPM

    Institut Supérieur Polytechnique de Madagascar.

Stack

The tools I use every day.

Frontend
Next.jsReactTypeScriptTailwind CSSExtJS
Backend
Node.jsNest.jsExpressGraphQLPostgreSQLPrismaTypeORM
Mobile
FlutterDartRiverpodKotlinFirebase
DevOps
TerraformKubernetesArgo CDGitHub ActionsPrometheusGrafanaDocker
AI & Tools
Mastra AIConvexInngestClaude CodeLangGraphLangchainFigma

Contact

Let's build something together.

A product to launch, an app to take over or a team to strengthen? I work remotely from Madagascar with teams and clients around the world.

~/new-project$npx launch --togetherScoping requirementsUI/UX designDevelopmentShipping to productionLiveyour-project.app ↗