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Niaina Michaël Razafimandimby

Tech Lead · Secure multi-tenant SaaS

michaniainar@gmail.com · balzaclegeek.github.io · linkedin.com/in/balzaclegeek · github.com/balzacLeGeek · Antananarivo, Madagascar · working remotely

I design and evolve applications where confidentiality is not optional. Since 2025 I have led the engineering team at BeSignal, an ISO 27001 certified whistleblowing platform used by organisations worldwide.

Experience

  1. Tech Lead (contractor) · BeSignal

    Remote

    May 2026 – present

  2. Tech Lead (permanent) · BeSignal Mauritius

    Mauritius

    May 2025 – May 2026

  3. Symfony Backend Developer (permanent) · BeSignal (formerly Signalement.net)

    Remote

    ISO 27001 certified SaaS platform for ethics and compliance whistleblowing, used by organisations worldwide.

    • Maintained and evolved the legacy application (V1) used by existing clients: bug fixes, enhancements and upgrades.
    • Designed, developed, tested and shipped features for V2: React SPA, REST API with API Platform, asynchronous processing with Symfony Messenger.
    • Multi-tenant architecture: each client chooses where its data is hosted, with a dedicated database.
    • Real-time messaging between whistleblowers and case handlers, built on XMPP (Ejabberd).
    • Strengthened security, isolation and confidentiality of data as part of ISO 27001.

    Jun 2020 – May 2025

  4. Symfony Backend Developer · MyAgency

    Antananarivo, Madagascar

    Real-estate rental and sales platform for a European client, in a team of four developers.

    Ongoing maintenance, improvements to existing features and new features as requirements evolved. First professional work with Vue.js.

    Mar 2019 – May 2020

  5. Full Stack Developer (contract) · SAFE

    Antananarivo, Madagascar

    Completed a web application for an awareness campaign aimed at Antananarivo's informal sector, with the Ministry of Labour, Employment and Civil Service.

    Dec 2018 – Feb 2019

  6. Web Developer · E-media Madagascar

    Antananarivo, Madagascar

    Student attendance tracking with QR-code badges, working offline with automatic sync.

    Tracks absences and tuition fees, with three interfaces: administration, students and teaching staff.

    Nov 2017 – May 2018

Skills

Backend
PHP 8 · Symfony · API Platform · Symfony Messenger · Doctrine · REST · GraphQL · Node.js
Data & real-time
MySQL · PostgreSQL · MongoDB · Redis · XMPP / Ejabberd · WebSocket
Infra & DevOps
Docker · GitLab CI/CD · Jenkins · Capistrano · Nginx · Clever Cloud · OVH
Security & compliance
ISO 27001 · RGPD / GDPR · Multi-tenant data isolation · Secure SDLC · Code review
Frontend
React · TypeScript · Vue · Astro · Vite
Leadership & AI tooling
Scoping & estimation · Agile / Scrum · Claude Code / Codex · QA automation · Jira · Notion
Environment
macOS · Linux

Education

  1. Bachelor's degree in Computer Science

    ENI Fianarantsoa · Software engineering and systems / network administration

    2016 – 2019

  2. Startup incubation programme

    OIF · FFIN · Habaka Innovation Hub · Programme for the winners of the #RiSK[S] 2016 hackathon

    2017 – 2018

  3. Professional web development training

    E-media Madagascar

    2015 – 2016

Recognition

7 podium finishes in hackathons and coding competitions between 2016 and 2018, as a team.

  • 1stHackathon ODD au quotidien (UN SDGs) · Maltem Consulting · Passion 4 Humanity · IFM2018
  • 2ndHackathon — Smart Antananarivo · GDG Antananarivo · Bocasay · Axian · Telma2018
  • 2ndConcours e-gouvernance mobile · Université de Fianarantsoa · Orange Madagascar2018
  • 3rdNewTech Event — 48 h web challenge · Palais des Sports Mahamasina2017
  • 3rdMadagasy’Cours DevApp · Ministère des Postes et du Numérique (MPTDN)2017
  • 2ndHackathon #RiSK[Solutions] — cybersécurité · OIF · Habaka Innovation Hub2016
  • 3rdHackathon du Fofaja — crowdfunding · Habaka · Women in Tech Madagascar2016