Senior Back-end Engineer Node.Js - Wizz at Voodoo

Paris, Île-de-France, France

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Mobile Gaming, Social Networking, TechnologyIndustries

Requirements

Passion for the mobile consumer industry
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 (Node.js, Fastify, Socket.io, Go, Firebase, MongoDB, Redis, Cloud Run, Pub/Sub, S3, CloudFront, Big Query, Github Action, AWS CLI, gcloud CLI, Docker, microservice architecture)
Track record with a social media application (plus)
DevOps skills (Terraform, Cloud formation, etc.) (plus)

Responsibilities

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

Skills

Key technologies and capabilities for this role

Node.jsBackend DevelopmentSystem ArchitectureScalabilityJavaScript

Questions & Answers

Common questions about this position

What is the salary for this Senior Backend Engineer position?

This information is not specified in the job description.

Is this role remote or hybrid, and where is it located?

The position is hybrid.

What technical skills and technologies are required for this role?

The role requires expertise in Node.js, Fastify, Socket.io, Go, Firebase, MongoDB, Redis, and infrastructure tools like Cloud Run, Pub/Sub, S3, CloudFront, Big Query, Docker, and microservice architecture.

What is the team structure and company culture like at Voodoo for this role?

You'll join a high-performing team of 20 working on Wizz, a social app for teens, in a collaborative environment that fosters goodwill, creativity, ownership, and contributions to product vision and decision-making.

What makes a strong candidate for this Senior Backend Engineer role?

Strong candidates are technically proficient in the stack, passionate about the mobile consumer industry, proactive in taking ownership, able to shape architecture and strategy, and skilled at collaborating with product teams while challenging assumptions.

Voodoo

Develops free hyper-casual mobile games

About Voodoo

Voodoo.io focuses on mobile gaming and app development, particularly in the hyper-casual game segment, which features simple and easy-to-play games that appeal to a wide audience. Their games are free for users, and the company generates revenue through advertising by partnering with ad networks like AdColony and Adjust to display targeted ads within their games. This approach allows Voodoo to entertain millions of users globally while providing brands with advertising solutions to reach mobile gamers effectively. Unlike many competitors, Voodoo emphasizes user privacy by allowing users to manage consent settings and ensuring no personal data is collected from children under 16. The company's goal is to create engaging mobile experiences while maintaining a strong commitment to user privacy and providing valuable advertising opportunities for brands.

Paris, FranceHeadquarters

2013Year Founded

$480.1MTotal Funding

LATE_VCCompany Stage

Consumer Software, GamingIndustries

501-1,000Employees

Risks

BeReal acquisition may not yield expected returns if popularity doesn't rebound.

Questopia's launch in China could face regulatory challenges.

Wizz app's 'Teen Tinder' reputation may attract scrutiny from parents and regulators.

Differentiation

Voodoo is the #3 mobile publisher worldwide, following Google and Meta.

The company specializes in hyper-casual games, attracting a broad audience globally.

Voodoo offers advertising solutions, enhancing brand engagement with mobile gamers.

Upsides

Acquisition of BeReal diversifies Voodoo's portfolio beyond gaming.

Partnership with AppHarbr improves ad quality, increasing user engagement and revenue.

Successful launch of Questopia in China expands Voodoo's market presence.

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