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Urgent! Senior Full-Stack Typescript Developer Job Opening In Marseille – Now Hiring MindDay - App bien-être & thérapie

Senior Full Stack Typescript Developer



Job description

MindDay est une app mobile B2C de santé mentale, en forte croissance.

En 2025 c'est l'application de bien-être la plus téléchargée en France.


Notre application est de rupture dans le bien-être mental : contenus interactifs, méditation, hypnose, journaling… et de plus en plus d’IA.


En binôme avec le CTO, vous prendrez en main des sujets à fort impact, de l’idée à la mise en production, sur mobile et web.


Vos missions



  • Concevoir, développer et livrer des fonctionnalités de bout en bout (mobile + web).

  • Co‑piloter les choix produits/tech avec le CTO, cadrer et prioriser efficacement.

  • Élever la qualité: performance, accessibilité, fiabilité, DX et UX.

  • Améliorer nos flux de dev et de déploiement (revues, automatisations, monitoring).

  • Travailler avec des services externes variés (auth, paiement, analytics, contenu, IA…), intégrer et maintenir des APIs tierces.

  • Contribuer au design system et garantir la cohérence entre mobile et web.

  • Porter des initiatives IA: reco personnalisées, coach in‑app, recherche sémantique/RAG, détection d’anomalies, création de contenus à la demande.

  • Travailler en équipe resserrée (produit, design, tech), partager les bonnes pratiques (pair, mentoring).


Vos compétences



  • 5+ ans d’expérience en développement produit, solide pratique de TypeScript.

  • Expert mobile (React Native).

  • Forte autonomie et sens de l’ownership; communication claire; goût pour la simplicité.

  • Culture qualité (tests, lisibilité, dette maîtrisée) et sens du produit (impact, métriques).

  • Plus : expérience apps grand public, santé mentale/bien‑être, IA appliquée aux produits.


Avantages



  • CDI, 100% télétravail, horaires flexibles.

  • Package compétitif avec des actions de l'entreprise

  • Rôle clé, forte autonomie, cycles courts, impact direct sur le produit.

  • Environnement bienveillant, équipe senior, culture d’itération et d’apprentissage.

  • Matériel au choix.


Envoyez CV et liens (GitHub/portfolio) .

Process rapide:

→ call découverte (30 min)

→ entretien technique en pair (60–90 min)

→ rencontre produit/CTO

→ références + offre.



MindDay est la première application d'auto-thérapie.


Créée en France en 2021, notre startup est composée d'une équipe de 10 personnes réparties entre une équipe technique et produit, une équipe qui gère les contenus et une équipe marketing & commerciale.


Required Skill Profession

Computer Occupations



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