Freelance Senior Back-end Engineer Node.Js - Wizz

Voodoo; Courbevoie; Sur place; EUR 55 000 - 95 000; Plein temps

Résumé du poste

Ein innovatives Unternehmen sucht einen Senior Backend Engineer, der nicht nur technisch versiert ist, sondern auch aktiv zur Produktvision beiträgt. In dieser spannenden Rolle werden Sie die Backend-Architektur für eine beliebte soziale App gestalten und sicherstellen, dass sie Millionen von Nutzern zuverlässig dient. Sie werden enge Zusammenarbeit mit Produktteams pflegen, um technische Perspektiven einzubringen, und die besten Praktiken in Bezug auf Zuverlässigkeit und Infrastrukturmanagement definieren. Wenn Sie eine Leidenschaft für die mobile Verbraucherindustrie haben und in einem dynamischen Umfeld arbeiten möchten, ist dies die perfekte Gelegenheit für Sie.

Qualifications

• 5+ Jahre Erfahrung in Backend-Programmierung mit Fokus auf Skalierbarkeit und Architektur.
• Erfahrung in der Entwicklung von APIs und mit hochgradig verteilten Systemen.

Responsabilités

• Verantwortung für die Backend-Architektur, um Skalierbarkeit und Leistung sicherzustellen.
• Enge Zusammenarbeit mit Produktteams zur Beeinflussung von Produktentscheidungen.

Connaissances

Node.js

Backend Programming

API Development

High Traffic Systems

DevOps

Fluency in French

Outils

MongoDB

Redis

Firebase

Docker

Github Action

AWS CLI

gcloud CLI

Cloud Run

Pub/Sub

S3

Description du poste

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.

Role

• We are looking for a 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
• Fluency 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