Senior Back-end Engineer Node.Js - Wizz

Voodoo; Paris; Sur place; EUR 55 000 - 75 000; Plein temps

Résumé du poste

Voodoo, une société de technologie renommée, recherche un Senior Backend Engineer pour rejoindre son équipe dynamique à Paris. Vous serez responsable de l'architecture du backend pour Wizz, une appli sociale très populaire, et participerez activement à façonner sa stratégie technique. Si vous avez plus de 5 ans d'expérience et une passion pour le secteur mobile, cette opportunité est faite pour vous.

Prestations

Salaire compétitif selon l'expérience

Vouchers de déjeuner Swile

Activités de bien-être au bureau

Politique de congés illimités

Jours de télétravail

Qualifications

• Passion pour l'industrie mobile.
• 5+ années d'expérience en programmation backend.
• Fluency in French required.

Responsabilités

• Gérer l'architecture backend pour des millions d'utilisateurs.
• Collaborer avec l'équipe produit pour améliorer les décisions.
• Développer des systèmes backend hautement scalables.

Connaissances

Node.js

Développement Backend

Gestion de systèmes distribués

API

DevOps

Description du poste

About Voodoo

Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz.

Team

Our consumer apps teams are at the forefront of crafting innovative and engaging apps for daily enjoyment.

Our ambition extends beyond gaming to entertain a global audience. Millions of people around the world, especially in the US, download and use the apps we create.

You'll be working on Wizz, a social app specifically designed for teens, boasting over 3 million monthly active users in the US and UK. Wizz is a friend-finding and chat app where young people can safely express themselves and connect with like-minded peers in an authentic, pressure-free environment. Unlike other social media platforms that focus on followers, posts, or passive consumption, Wizz offers young people a space to have meaningful 1:1 conversations with peers.

As a member of a high-performing team of 20, you'll collaborate to further scale and enhance Wizz, fostering a spirit of goodwill and creativity. As Wizz continues its dynamic growth and development, we are seeking an ambitious Senior Backend Engineer to join.

Role

We are looking for :

• ASenior Backend Engineerwho is not only technically strong but also eager tocontribute to the product visionand actively participate in decision-making. You won’t just be writing code, you’ll have a key role inshaping the architecture, scalability, and long-term strategy of Wizz. Your ability to think beyond execution andtake ownershipwill be crucial: we want someone who is proactive, challenges assumptions, and collaborates with product and engineering teams to create a robust, scalable, and innovative platform.

Your mission:

• Ownthe backend architecture, ensuring scalability, performance, and reliability for millions of users.

• Collaborate closely with product teamsto shape and influence product decisions with a strong technical perspective.

• Design, implement, deploy, and maintainhighly-scalable and available backend systems.

• Define and promotebest practicesin reliability, observability, and infrastructure management.

• Contribute tobackend infrastructure evolution, ensuring that it supports rapid product iterations and growth.

• Improve system performance and scalability, particularly aroundhigh-traffic distributed systems.

Our stack

• Language and libraries: Node.js, Fastify,Socket.io, Go, Firebase

• Databases: MongoDB, Redis

• Infrastructure: Cloud Run, Pub/Sub, S3, CloudFront, Big Query

• Ops: Github Action, AWS CLI, gcloud CLI, Docker, microservice architecture

• iOS: XCode, GitHub, Cocoapods (public and private)

Profile

• Passion for the mobile consumer industry

• Be fluent in French

• Excellent back-end programming skills (5+ years experience)

• Interest in Node.JS (vanilla)

• Professional GCP or AWS expertise

• Experience building APIs

• Experience with high traffic and distributed systems architectures

• Familiarity with services & technologies used in our Stack

• Track record with a social media application is a plus

• DevOps skills (Terraform, Cloud formation, …), are a plus

Benefits

• Competitive salary upon experience

• Swile Lunch voucher

• Gymlib (100% borne by Voodoo)

• Premium healthcare coverage SideCare, for your family 100% borne by Voodoo

• Wellness activities in our Paris office

• Unlimited vacation policy

• Remote days on Mondays, TuesdaysandFridays

Voodoo just won the award for Best Office Space in France