Antenaina.

Software Engineer (Web) — since 2019

Antananarivo, Madagascar

Crafting robust, scalable web applications with modern technologies.
Specialized in building end-to-end solutions from concept to deployment.

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Technical Skills

Skill proficiency varies depending on the project and context.
Every technology listed reflects actual use in real projects (see Experience section).

Languages

TypeScript
HTML5
CSS
SQL
JavaScript
C++
C

Frontend

Frameworks & Libraries

React
Next.js
Svelte
SvelteKit
Angular
React Native

Styling & UI

Tailwind
Styled Components
SASS
Storybook
Shadcn
Ant Design
Material UI

State management

Redux
MobX-State-Tree

Backend

Runtimes & Frameworks

Node.js
Deno 2
NestJS
Fastify
ExpressJS
Apollo GraphQL

APIs & tools

REST
GraphQL
WebSocket
Postman

Databases

Engines

PostgreSQL
MongoDB
MySQL

ORMs & Tools

Prisma
Knex
MikroORM
Mongoose
Sequelize
TypeORM
Drizzle

Search & Indexing

Elasticsearch
Algolia
Typesense

DevOps / Tooling

CI, Infra, ...

Git
GitHub
GitLab
GitHub Actions
Docker
Cloudflare (Workers, Pages, DNS, R2)
Sentry

Testing & Bundlers

Jest
Testcontainers
Vite
Esbuild
Webpack

Software Engineering

Algorithms & Data Structures
OOP
Reactive Programming
Design patterns
Architectural patterns
Web performance
Security practices
Accessibility
Database schema design & migration
Database data migration
Test driven development

Work Experience

Novity

Consultant Full-Time | Software & Product Engineer

consultant

Apr 2025 – Oct 2025

Antananarivo, Madagascar

Projects

CapCar — car selling platform

CapCar Pro — car auction platform

Stack

ReactNext.js 15Node.jsNestJSExpressGraphQLPostgreSQLKnexMikroORMElasticsearchAlgoliaTailwindStyled Components

Contributions

Identified business issues and proposed technical solutions
Implemented features across frontend and backend microservices
Monitored production apps and fixed bugs
Acted as bridge between stakeholders and engineering
Handled user bug reports and quick turnarounds

Code-Talent

Consultant Part-Time | Back & Front-End Developer

part time

Since May 2025

Remote

Projects

Legal-Archives — until July 2025

Highlights

Maintenances on front/back

Code-Talent

Consultant Full-Time | Back-End Developer

consultant

Jan 2025 – Apr 2025

Remote

Projects

Legal-Archives — Administrative documents generator & manager

Stack

NestJS (Express)PostgreSQLPrismaTypesenseElasticsearch

Responsibilities

Full ownership of backend architecture, database design, and all APIs
End-to-end implementation without external supervision
Making urgent correction on front-end from time to time

Career Break

Self Development

break

Jul 2024 – Dec 2024

Highlights

Strengthened architecture & engineering fundamentals
Solved ~80 LeetCode problems (C++)
Learned Svelte, SvelteKit, Tauri 2
Learned basics of Rust and Python

Maasil-Inc

Consultant | Full-Stack JS Developer

consultant

Dec 2021 – Jul 2024

Remote

Projects

PriceBee — SaaS for construction material pricing

Reforest'Action

Gorecapp Drop-Off Search Engine

Bynd

Paratennis Website

Stack

ReactNext.jsNode.jsFastifyNestJSGraphQLPostgreSQLPrismaMongoDBStrapiJestWoosmapSequelizeMySQL

Responsibilities

Full-stack developer on PriceBee (migrated from React/Node/MongoDB to Next.js/NestJS/PostgreSQL)
Front-end developer on Reforest'Action (Next.js, Strapi, Jest)
Main frontend developer from scratch on Gorecapp Drop-Off Search Engine (React, Woosmap)
Full-stack developer on Bynd (React, Node.js, Fastify, MongoDB)
Backend developer on Paratennis Website (Node.js, Fastify, Sequelize, MySQL)

HaiRun Technology

Research Engineer, Full-Stack JS, C++ Developer

full time

Aug 2020 – Nov 2021

Remote

Projects

JamTube/Jamspace — A mobile app for remote synchronized music playing collaboration on livestream

Lappsys — Web + Mobile app

Stack

C++CMakeJava/JNIReact NativeWebSocketsGoogle OboeHLSliblamelibnyquistNode.jsApollo GraphQLReactGraphQLPrismaPostgreSQL

Responsibilities

Research and development on JamTube/Jamspace (latency, streaming, audio processing) — this is a long PoC project
Working directly with the technical director on improving company workflows, coding style and quality, architecture, etc...
Helping other developers stuck on atypical problems
Mentoring interns
Full-stack developer on Lappsys (React, React Native, GraphQL, Prisma, PostgreSQL)

Itras Group

MEAN Stack Developer

full time

Jan 2019 – Jan 2020

Antananarivo, Madagascar

Projects

HRM — Human Resource Management app

Connected Factory — parking control system for truck

I-laharana — Appointment and queue management system used nationwide

Stack

AngularReduxNode.jsMongoDBjQueryCSSPHPMySQL

Responsibilities

Conception and discussion on business aspects
Develop the app according to discussed requirements for both front and back
UI integration

Let's Work Together

Have a project in mind? I'm always open to discussing new opportunities and creative ideas.

Send me an email