Staff Unity Engineer

Voodoo SAS

Job Overview

Location

Paris

Job Type

Full-time

Full Job Description

📋 Description

• Design, develop, and maintain Unity-based SDKs that enable game studios across Voodoo to integrate ads, in-app purchases, segmentation, authentication, analytics, cloud save, and multiplayer functionalities.
• Collaborate directly with internal game developers to understand their technical requirements and optimize SDK performance for millions of active users.
• Troubleshoot and resolve complex, high-impact issues across Unity versions and multiple target platforms including iOS and Android.
• Ensure backward and forward compatibility of SDKs across a wide range of Unity engine versions and device configurations.
• Create comprehensive, clear documentation and sample implementations to empower internal engineering teams to adopt and integrate SDKs efficiently.
• Implement performance optimization best practices to minimize SDK footprint, reduce load times, and maximize frame rates in resource-constrained mobile environments.
• Participate in architectural reviews and technical decision-making to shape the future of Voodoo’s game development infrastructure.
• Conduct thorough code reviews to maintain high code quality, consistency, and scalability across the SDK team and broader engineering organization.
• Work closely with the Experimentation and Remote Configuration platform team to align SDK features with live testing and feature flagging needs.
• Integrate SDK components with CI/CD pipelines to automate testing, builds, and deployment processes across development and production environments.
• Leverage performance profiling tools to identify bottlenecks, memory leaks, and rendering inefficiencies within Unity-based game integrations.
• Drive technical excellence by mentoring junior engineers and promoting adoption of industry-standard software design patterns and clean architecture principles.
• Interface effectively with cross-functional stakeholders including product managers, data scientists, and QA teams to align SDK capabilities with business and user goals.
• Maintain a deep understanding of mobile gaming trends and Unity ecosystem updates to proactively enhance SDK functionality and security.
• Support the global engineering team by providing timely technical guidance and resolving integration blockers for hundreds of developers.
• Contribute to the evolution of Voodoo’s cloud save and multiplayer SDKs to support scalable, low-latency online gaming experiences.
• Ensure all SDK releases adhere to strict quality standards and are rigorously tested across diverse device and OS combinations.
• Promote a culture of documentation, reproducibility, and transparency in SDK development workflows.
• Participate in on-call rotations to respond to critical production incidents affecting game studios relying on Voodoo’s SDKs.
• Stay current with Unity’s latest releases and deprecations to ensure SDKs remain compatible and secure.
• Optimize SDK initialization and runtime behavior to reduce impact on game startup times and overall user experience.

🎯 Requirements

• 8+ years of professional experience
• 3+ years of experience in game development
• Strong proficiency in Unity and C#
• Strong knowledge of software design patterns and architecture
• Excellent interpersonal and communication skills, capable of influencing teams and interfacing effectively with various stakeholders
• Strong command of written and spoken English

🏖️ Benefits

• Competitive salary based on experience
• Swile Lunch voucher
• Gymlib (100% covered by Voodoo)
• Premium healthcare coverage with SideCare, 100% covered for you and your family
• Wellness activities in our Paris office
• Remote Fridays

Skills & Technologies

AWS

Kubernetes

Terraform

Senior

Remote

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Voodoo SAS

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About Voodoo SAS

Voodoo SAS is a French mobile game publisher and developer headquartered in Paris. Founded in 2013, the company creates and distributes free-to-play hyper-casual and hybrid-casual games for iOS and Android, including titles like Helix Jump and Paper.io. Voodoo operates worldwide studios and uses data-driven design to rapidly prototype and scale titles, generating revenue through in-app advertising and purchases.

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