Senior Game Developer - Helix Jump

Voodoo SAS

Job Overview

Location

Istanbul

Job Type

Full-time

Full Job Description

📋 Description

• Lead the technical development and evolution of Helix Jump, Voodoo’s iconic hypercasual game, transforming it into a stronger hybrid-casual/casual live game while preserving its core appeal.
• Own the full game experience, including core gameplay mechanics, controls, physics, animations, visual effects, transitions, and overall polish to enhance player engagement and retention.
• Write clean, robust, scalable, and maintainable Unity/C# code that supports rapid iteration and long-term game stability.
• Optimize game performance across a wide range of mobile devices, focusing on loading times, frame rate consistency, memory usage, crash rates, and Android ANRs.
• Collaborate closely with Product and Art teams to improve game feel and player experience without compromising performance or technical integrity.
• Implement and analyze technical event tracking, analytics data, and A/B tests to drive data-informed decisions on gameplay adjustments and feature iterations.
• Support fast-paced development cycles by contributing to rapid prototyping, iteration, and live game updates based on player feedback and performance metrics.
• Contribute innovative ideas to expand Helix Jump beyond its original hypercasual format into the casual Match-3 space, aligning with Voodoo’s strategic goal to build a $1B Match-3 title.
• Monitor and improve game stability and responsiveness, ensuring smooth gameplay on both low-end and high-end devices.
• Work within a small, autonomous, and highly collaborative Live Studio team with high ownership and direct impact on a globally successful game with over 7 billion downloads.
• Participate in technical reviews, code quality assurance, and documentation practices to maintain a scalable codebase as the game evolves.
• Translate product vision into technical implementation, balancing creative ambition with technical constraints and performance targets.
• Stay current with Unity best practices, mobile gaming trends, and live operations techniques to continuously elevate the game’s quality and competitiveness.

🎯 Requirements

• 5+ years of professional game development experience
• Strong experience with Unity/C#
• Solid mobile F2P experience, ideally in hybrid-casual, casual, or midcore games
• Strong knowledge of Unity UI, physics, animation, particle systems, transitions, and tweens
• Good understanding of mobile performance optimization, profiling, memory, loading times, crashes, and ANRs
• Experience working with product teams on fast iterations, analytics, and A/B testing

🏖️ Benefits

• Best-in-class compensation
• Other benefits according to the country you reside

Skills & Technologies

Senior

Hybrid

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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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