Voodoo

Senior Backend Engineer - Inference Platform

Paris, Île-de-France, France

Not SpecifiedCompensation
Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level
Full TimeJob Type
UnknownVisa
Mobile Games, Mobile Apps, Ad-TechIndustries

Requirements

Candidates should have 5+ years of backend engineering experience, focusing on scalable, high-performance systems. Expertise in distributed systems, microservices, and API design using Java, Scala, Python, or Go is required. Experience with real-time data processing, event-driven architectures (Kafka, GCP Pub/Sub, Kinesis), observability tools (Prometheus, Grafana, ELK Stack, Datadog), and A/B testing frameworks is essential. Proven ability to manage cloud infrastructure (AWS, GCP, Azure) with Kubernetes, Docker, CI/CD pipelines, and infrastructure automation tools like Terraform is necessary. Strong problem-solving skills and a focus on building reliable, maintainable, and scalable systems are expected. Experience with OpenRTB and real-time bidding systems is a plus.

Responsibilities

Lead the design and architecture of backend services for real-time model inference and bidding decisions on the OpenRTB platform. Collaborate with data scientists and ML engineers to deploy, monitor, and optimize ML models for real-time bidding strategies. Oversee the development of A/B testing frameworks for model and bidding optimization. Ensure backend services are high-performance, low-latency, and scalable, handling millions of bidding events per second. Set best practices for architecture, API design, and distributed systems. Work with cloud infrastructure teams for deployment, scaling, and monitoring using Kubernetes, Docker, and CI/CD pipelines. Implement new features and optimizations in collaboration with product managers. Optimize performance and cost-efficiency of the backend infrastructure. Continuously monitor system performance, conduct post-deployment analysis, and implement improvements based on A/B test results.

Skills

Backend development
Inference platform
Real-time model inference
Bidding strategies
Machine learning deployment
A/B testing frameworks
High-performance services
Low-latency services
Scalability
OpenRTB

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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