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Freelance Senior Back-end Engineer - Wizz

Île-de-France, France (Hybrid)

Freelance Senior Back-end Engineer - Wizz

1 Month ago • 4-8 Years • Backend Development

Job Summary

Job Description

Voodoo seeks a Freelance Senior Back-end Engineer to join the Wizz team, a social app for teens with over 3 million monthly active users in the US and UK. Responsibilities include designing, implementing, deploying, and maintaining highly scalable and available backends. You'll contribute to product shaping, best practices in reliability and availability, and the overall back-end infrastructure. The ideal candidate will collaborate within a high-performing team of 15, fostering creativity and a positive work environment. The tech stack involves Node.js, Fastify, Socket.io, Firebase, MongoDB, Redis, and various cloud services (Cloud Run, Cloud Functions, etc.).

Must have:

Design, implement, deploy and maintain scalable backends
Contribute to product shaping and best practices
Experience with Node.js, MongoDB, and cloud infrastructure
Collaboration within a high-performing team

Good to have:

Experience with Firebase, Redis, and microservice architecture
Familiarity with AWS and Google Cloud Platform

10 skills required

10 skills required for this role

Add these skills to join the top 1% applicants for this job

socket.io

back-end

github

mongodb

redis

firebase

aws

x-code

docker

node.js

Job Details

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

Design, implement, deploy and maintain highly-scalable and available backends for a social app used by millions of users
Contribute to shaping product
Contribute to best practices on reliability and availability
Contribute to the back-end overall infrastructure

Our stack

Language and libraries: Node.js, Fastify, Socket.io, Firebase
Databases: MongoDB, Redis
Infrastructure: Cloud Run, Cloud functions, Bucket, S3, CloudFront
Ops: Github Action, AWS CLI, Gcloud CLI, Docker, microservice architecture
iOS: XCode, GitHub, Cocoapods (public and private)

Voodoo just won the award for Best Office Space in France

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About The Company

Voodoo

108 Active Jobs

Voodoo is a tech company that creates mobile games and apps. With 7 billion downloads and over 150 million monthly active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta.

The company is one of the most impressive examples of hypergrowth in the ecosystem, having raised over $1B and backed by Goldman Sachs, Tencent, and GBL.

Voodoo is now a team of over 750 employees worldwide, we’re looking for talented individuals from across the globe to join.

Entertain the world with us

voodoo.io/careers/jobs

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Freelance Senior Back-end Engineer - Wizz

Job Summary

Job Description

10 skills required

10 skills required for this role

Job Details

Role

Our stack

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