Voodoo
Head of Back-end Engineer Node.Js - Wizz
2w ago
EuropeHeadRemotenode.js
Head of Backend Engineer role at Voodoo focusing on scaling and enhancing Wizz, a social chat app with millions of active users.
Responsibilities
- Lead the backend team at Wizz of 4 Senior Backend Engineer, be responsible of the strategy
- 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, including features that enhance user safety and content moderation.
- Integrate and manage third-party services (e.g., analytics, moderation, cloud tools) to ensure a secure and seamless user experience.
- Define and promote best practices in reliability, observability, and infrastructure management.
- Contribute to backend infrastructure evolution, ensuring that it supports rapid product iterations, responsible growth, and a safe environment for our users.
- Improve system performance and scalability, particularly around high-traffic distributed systems.
Conditions
- 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
Other
- 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.
- 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 18+, boasting over 3 million monthly active users in the US and UK. Wizz is a 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 Head of Backend Engineer to join.
- We are looking for :
- A head of 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.
- 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)
- 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