Voodoo Logo

Voodoo

Senior Back-end Engineer Node.Js - Wizz

Posted 2 Days Ago
Be an Early Applicant
Hybrid
Paris, Île-de-France
Senior level
Hybrid
Paris, Île-de-France
Senior level
As a Senior Backend Engineer, you will design and maintain scalable backends for a high-traffic social app, contributing to overall product development and best practices. You will work with a team to improve infrastructure while ensuring the app's reliability and availability.
The summary above was generated by AI

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.

As a member of a high-performing team of 15, 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 :
  • Senior Backend Engineer who is not only technically strong but also eager to contribute to the product vision and actively participate in decision-making. You won’t just be writing code, you’ll have a key role in shaping the architecture, scalability, and long-term strategy of Wizz. Your ability to think beyond execution and take ownership will 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:
  • Own the backend architecture, ensuring scalability, performance, and reliability for millions of users.

    Collaborate closely with product teams to shape and influence product decisions with a strong technical perspective.

    Design, implement, deploy, and maintain highly-scalable and available backend systems.

    Define and promote best practices in reliability, observability, and infrastructure management.

    Contribute to backend infrastructure evolution, ensuring that it supports rapid product iterations and growth.

    Improve system performance and scalability, particularly around high-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, Tuesdays and Fridays

Voodoo just won the award for Best Office Space in France


Top Skills

Aws Cli
Bucket
Cloud Functions
Cloud Run
Cloudfront
Cocoapods
Docker
Fastify
Firebase
Gcloud Cli
Git
Github Action
Microservice Architecture
MongoDB
Node.js
Redis
S3
Socket.Io
Xcode

Similar Jobs

3 Days Ago
Remote
Paris, Île-de-France, FRA
Junior
Junior
Artificial Intelligence • Cloud • Edtech • HR Tech • Sales • Software
The Software Engineer will develop custom plugins and extensions tailored to customer needs, work with a complex codebase, and enhance the product by integrating extensions using APIs. Responsibilities include collaborating with a team, leveling up technical skills in JavaScript, and participating in the code review process.
Top Skills: MongoDBNode.jsTypescriptVue
5 Days Ago
Hybrid
Paris, Île-de-France, FRA
Senior level
Senior level
Software • Web3
The Senior Backend Software Engineer will develop and maintain high-performance microservices and APIs to enhance Ledger's consumer services, contributing to architecture and design, ensuring software quality, and providing technical leadership. This role involves driving innovation, mentoring team members, and managing projects effectively while collaborating across teams.
13 Hours Ago
Hybrid
Paris, Île-de-France, FRA
Senior level
Senior level
Analytics
As a Senior Full Stack Engineer at Kpler, you will develop the Notifications platform, integrating various datasets and managing the onboarding process. You will design, develop, and deploy software solutions while collaborating with engineering teams on best practices and roadmapping.
Top Skills: AgileAWSAzureCi/CdDockerGCPGitGitJavaKafkaMssqlPostgresRestful ApisScalaSonarqubeTypescriptVuejs

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account