Senior Game Developer (UI, Animations & Polish) - Paper.io2

📍 Job Overview

Job Title: Senior Game Developer (UI, Animations & Polish) - Paper.io2

Company: Voodoo

Location: Paris, Île-de-France, France (Remote options available in Spain, Netherlands, Sweden, Poland, Georgia, Germany, Romania, Ukraine, United Kingdom, Malta, Italy, Estonia, France)

Job Type: Full-time

Category: Game Development / Engineering

Date Posted: June 02, 2026

Experience Level: 5-10 years

Remote Status: Fully Remote within CET +/-2h (or Paris/Barcelona/Amsterdam based)

🚀 Role Summary

• Spearhead the development of client-facing features for the hit mobile game Paper.io 2, with a primary focus on User Interface (UI), animations, and overall game polish.

• Drive core gameplay improvements and contribute to the design and implementation of new meta features, directly impacting player engagement and retention strategies.

• Leverage extensive experience in C# and Unity to enhance and refine existing game systems, ensuring a high-quality, seamless player experience.

• Collaborate within a small, expert team to make significant daily decisions on game design, testing, and iteration based on player feedback, contributing to millions of player entertainment.

📝 Enhancement Note: This role is distinctly for a seasoned game developer focusing on the client-side experience of a live, popular mobile game. The emphasis on "polish" and "UI/Animations" indicates a need for a developer who can translate design concepts into a visually appealing and highly responsive user experience, a critical aspect of revenue generation in the casual mobile game market. The "Live Games team" context suggests a focus on ongoing development, optimization, and feature enhancement for an established title rather than new game creation.

📈 Primary Responsibilities

• Develop and implement engaging UI elements, intuitive navigation flows, and dynamic animations that enhance the player experience within Paper.io 2.

• Collaborate closely with game designers and artists to translate visual concepts and gameplay mechanics into polished, functional in-game features.

• Drive improvements in core gameplay loops, ensuring responsiveness, visual appeal, and adherence to casual mobile game market expectations.

• Design and integrate new meta-features that add depth and replayability to Paper.io 2, contributing to long-term player retention and monetization strategies.

• Refine and optimize existing game systems, focusing on performance, stability, and visual fidelity to maintain a high standard of polish across the entire game.

• Participate actively in the iterative game development process, including ideation, prototyping, testing, and responding to player feedback and analytics data.

• Contribute to technical architecture decisions and best practices within the development team, ensuring scalability and maintainability of the game codebase.

📝 Enhancement Note: The responsibilities highlight a blend of front-end game development (UI, animations) and core gameplay enhancement, all within the context of a live-service mobile game. The emphasis on "refine and optimize existing systems" and "responding to player feedback and analytics data" points towards a data-informed development approach common in operations-minded roles within the gaming industry, even if not explicitly labeled as "operations."

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating practical application of skills in game development is paramount. A Bachelor's degree in Computer Science, Game Design, or a related field is beneficial but secondary to demonstrable experience.

Experience: Minimum of 5 years of professional experience in game development, with a significant portion dedicated to mobile platforms.

Required Skills:

• C# Proficiency: Extensive professional experience in C# programming language.

• Unity Engine Expertise: Deep understanding and practical application of the Unity game engine for mobile development.

• UI Development: Proven ability to design, implement, and optimize user interfaces for mobile games, ensuring usability and visual appeal.

• Animation Implementation: Experience integrating and controlling in-game animations, including UI animations, character animations, and visual effects.

• Game Polish: A keen eye for detail and a demonstrated ability to add "polish" to game features, enhancing the overall feel and responsiveness.

• Mobile Game Development: A strong track record of successfully developing and launching mobile games.

• Performance Optimization: Solid understanding of performance bottlenecks in mobile games and the ability to implement optimization strategies for smooth gameplay.

• Problem-Solving: Exceptional analytical and problem-solving skills, with a focus on technical challenges and creative solutions.

• English Communication: Excellent written and verbal communication skills in English for effective collaboration within an international team.

Preferred Skills:

• Specialized Expertise: Exceptional expertise in one or more specialized areas such as animation systems, particle systems, shader development, software architecture, networking, or advanced performance optimization.

• Casual Mobile Game Market Insight: Understanding of the trends, player psychology, and monetization strategies within the casual mobile game market.

• Cross-functional Collaboration: Experience working effectively with designers, artists, and QA teams.

• Version Control: Proficiency with version control systems like Git.

📝 Enhancement Note: The "Proven track record in successful mobile game development" and the "Proven ability to design, implement, and optimize user interfaces" are critical. For this role, a portfolio showcasing these specific skills is essential, demonstrating not just coding ability but also an understanding of player experience and engagement drivers.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrated UI/UX Excellence: Showcase examples of complex and intuitive UI systems designed and implemented for mobile games, highlighting problem-solving in user flow and visual design.

• Animation Showcase: Include examples of dynamic animations, character movements, or visual effects that significantly enhance gameplay or player feedback.

• Game Polish Examples: Present case studies or examples of features where significant "polish" was applied, detailing the specific improvements made to responsiveness, visual feedback, and overall feel.

• Performance Optimization Projects: Detail projects where performance optimization was a key focus, outlining the challenges faced and the technical solutions implemented to achieve desired frame rates and resource efficiency on mobile devices.

• Unity Project Examples: Provide clear examples of projects built with Unity, demonstrating proficiency in core mechanics, feature implementation, and system architecture.

Process Documentation:

• Workflow Design: Illustrate how you approach designing and implementing new game features, from concept to integration, with a focus on efficiency and quality.

• Iteration & Feedback Integration: Provide examples of how you have incorporated player feedback and analytics data into the development process to iteratively improve game features and systems.

• Technical Design Documentation: Demonstrate the ability to document technical designs for new features or systems, ensuring clarity for team members and facilitating collaborative development.

📝 Enhancement Note: For this role, a portfolio is not just a collection of projects but a demonstration of process. Candidates should be prepared to articulate their approach to UI/animation implementation, polish, and performance optimization, ideally with quantifiable results or clear explanations of impact on player experience.

💵 Compensation & Benefits

Salary Range: Based on Voodoo's status as a leading global mobile publisher, the "Best-in-class compensation" implies a highly competitive salary. For a Senior Game Developer in Paris, France, with 5-10 years of experience and specialized Unity/C# skills, the estimated annual salary range would be between €70,000 and €100,000. This range is benchmarked against similar senior development roles in major European tech hubs and accounts for the high demand for specialized game development talent.

Benefits:

• Best-in-class compensation: Highly competitive salary package.

• Country-specific Benefits: Comprehensive benefits tailored to the employee's country of residence, which may include:

  • Health insurance (medical, dental, vision)

  • Retirement/pension plans

  • Paid time off (vacation, sick leave, public holidays)

  • Potential for stock options or performance bonuses

  • Professional development and training opportunities

  • Flexible working arrangements and equipment allowances for remote work. Working Hours: 40 hours per week, with flexibility to accommodate remote work within CET +/-2h. The emphasis on "developing fun, innovative, and entertaining features" suggests a results-oriented work environment where output and quality are prioritized.

📝 Enhancement Note: The "Best-in-class compensation" and "Country-specific benefits" indicate a robust compensation package. The salary estimate is derived from industry benchmarks for senior game developers in Western Europe, considering Voodoo's market position and the specialized skills required. The remote flexibility within a specific time zone window is key for team synchronization.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mobile Gaming (Technology, Entertainment)

Company Size: 800+ employees. Voodoo is a significant player in the mobile publishing space, operating globally with a substantial user base and download volume. This size indicates established processes and resources while still maintaining an agile, entrepreneurial spirit within its game studios.

Founded: 2013. Voodoo has a proven track record in the dynamic mobile gaming market, evolving from its inception to become a top-tier global publisher.

Team Structure:

• Live Games Team: This specific team operates within Voodoo's Gaming division, focusing on optimizing and enhancing established, high-performing hybrid games.

• Cross-functional Collaboration: The team is described as "small" and "multidisciplinary," comprising experts in various areas of game development. This implies close collaboration between developers, designers, artists, and potentially product managers or analysts.

• Reporting: While not explicitly stated, senior roles typically report to a Lead Developer, a Studio Director, or a Product Lead within the gaming division.

Methodology:

• Data-Informed Development: The role involves revising games in response to "player feedback and analytics data," indicating a data-driven approach to decision-making and feature iteration.

• Agile Development: The emphasis on iterative development, prototyping, and responding to feedback aligns with agile methodologies common in fast-paced tech and gaming environments.

• Quality Focus: The "passion for quality work" and focus on "polish" highlight a commitment to delivering a high-caliber player experience.

Company Website: https://voodoo.io/

📝 Enhancement Note: Voodoo's culture appears to balance entrepreneurial drive with the operational rigor required to manage and grow a portfolio of successful live-service games. The "small team of excellent people" suggests an environment where individual contributions are highly valued and impactful, with a strong emphasis on collaboration and shared ownership.

📈 Career & Growth Analysis

Operations Career Level: Senior Game Developer. This level signifies a high degree of technical expertise, independent problem-solving ability, and the capacity to mentor junior developers. The role is expected to contribute significantly to technical direction and feature implementation.

Reporting Structure: The Senior Game Developer will likely report to a Lead Game Developer or a Studio Manager within the Live Games team. They will collaborate closely with other senior members of the development team, designers, and artists.

Operations Impact: This role has a direct and substantial impact on the success of Paper.io 2. By enhancing UI, animations, and polish, the developer influences player engagement, retention, and ultimately, monetization. Contributions to core gameplay and meta-features can redefine the player experience and extend the game's lifespan. The ability to influence decisions within the senior team further amplifies this impact.

Growth Opportunities:

• Technical Specialization: Deepen expertise in areas like advanced animation systems, shader programming, or performance optimization, becoming a go-to specialist within the company.

• Lead Developer/Team Lead: Progress to a leadership role, managing a small team of developers, overseeing technical roadmaps, and mentoring junior talent.

• Game Design Contribution: Leverage technical understanding to contribute more significantly to game design decisions, potentially moving into a hybrid Developer/Designer role.

• Studio Management: For exceptionally driven individuals, opportunities within studio operations or management may arise in the long term.

• Cross-Studio Mobility: Opportunities to work on different games or with other Voodoo studios, gaining broader experience.

📝 Enhancement Note: The growth path for a Senior Game Developer at Voodoo is clearly defined, moving from individual contributor excellence to leadership and specialized technical mastery. The emphasis on "impact on the company" and being part of "important decisions" highlights the senior nature of the role and its potential for significant career advancement.

🌐 Work Environment

Office Type: The role is offered with flexibility. Candidates can be based in Paris, Barcelona, or Amsterdam, or work fully remotely within a specified time zone. This suggests a hybrid model or a fully remote-first approach for eligible locations.

Office Location(s):

• Paris, France

• Barcelona, Spain

• Amsterdam, Netherlands Workspace Context:

• Collaborative Environment: Even in a remote setting, the team structure emphasizes collaboration. Expect regular virtual meetings, brainstorming sessions, and code reviews.

• Tools and Technology: Access to industry-standard development tools, likely including the Unity engine, version control systems (e.g., Git), project management software (e.g., Jira, Asana), and communication platforms (e.g., Slack, Discord).

• Team Interaction: Opportunities for direct interaction with passionate, talented individuals who are experts in their respective fields, fostering a learning-rich environment.

Work Schedule: Standard professional working hours (approximately 40 hours/week) are expected, with flexibility around the core CET +/-2h working window. The focus is on delivering results, allowing for some autonomy in structuring the workday.

📝 Enhancement Note: The remote-friendly nature of the role, combined with the specified time zone requirement, indicates a modern work environment that prioritizes flexibility while ensuring team cohesion and operational efficiency. The availability of physical office hubs in major European cities offers an alternative for those who prefer an in-office or hybrid setup.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess qualifications and relevant experience.

• Technical Interview(s): In-depth discussions focusing on C# and Unity expertise, problem-solving abilities, and technical knowledge in areas like UI, animations, and performance optimization. This may include live coding exercises or technical challenges.

• Portfolio Presentation: A dedicated session where you present your past projects, highlighting your contributions, technical approach, and the impact of your work, particularly on UI, animations, and polish.

• Team/Cultural Fit Interview: Discussions with members of the development team to assess collaboration style, communication skills, and alignment with Voodoo's culture.

• Final Interview: A conversation with a hiring manager or senior leader to discuss the role, career aspirations, and confirm mutual fit.

Portfolio Review Tips:

• Highlight UI/Animation/Polish Impact: Specifically showcase projects where your work on UI, animations, or overall game polish demonstrably improved player experience, engagement, or retention. Use metrics if available.

• Detail Your Role: Clearly articulate your specific contributions within each project, especially for team-based efforts.

• Explain Technical Decisions: Be prepared to discuss the rationale behind your technical choices, including your approach to optimization and problem-solving.

• Showcase Unity Proficiency: Ensure your Unity projects demonstrate a strong command of the engine's features relevant to client-side development.

• Conciseness and Clarity: Present your portfolio in a well-organized and easily digestible format. Focus on quality over quantity.

Challenge Preparation:

• Core Unity/C# Challenges: Expect coding exercises that test your proficiency in C# and your ability to implement features or solve problems within the Unity engine.

• Problem-Solving Scenarios: Be ready to tackle hypothetical scenarios related to game performance, UI implementation, or animation issues, demonstrating your thought process.

• Design & Polish Scenarios: Prepare to discuss how you would approach adding polish to a specific game feature or enhancing a particular UI element.

📝 Enhancement Note: The emphasis on a portfolio review and presentation indicates that Voodoo values practical demonstration of skills over theoretical knowledge. Candidates should curate their portfolio to directly address the core requirements of UI, animations, and polish, and be ready to articulate their process and impact.

🛠 Tools & Technology Stack

Primary Tools:

• Unity Engine: The core development platform for Paper.io 2. Deep proficiency is essential.

• C#: The primary programming language used within Unity.

Analytics & Reporting:

• In-house Analytics Tools: Voodoo likely uses proprietary or specialized analytics platforms to track player behavior, game performance, and monetization metrics. Familiarity with data-driven decision-making is key.

• Game Performance Monitoring Tools: Tools for profiling and monitoring game performance on various mobile devices.

CRM & Automation:

• Version Control Systems: Git is standard for collaborative game development.

• Project Management Software: Tools like Jira, Asana, or Trello are likely used for task tracking and workflow management.

• Communication Platforms: Slack, Discord, or similar for real-time team communication.

📝 Enhancement Note: While the job description focuses on development skills, an understanding of how these tools integrate with analytics and project management is crucial for a senior role. The ability to work with data to inform development decisions is a key aspect of modern game development operations.

👥 Team Culture & Values

Operations Values:

• Passion for Quality: A deep commitment to delivering high-quality, polished, and fun gaming experiences. This translates to meticulous attention to detail in UI, animations, and overall game feel.

• Data-Driven Iteration: Decisions are informed by player feedback and analytics, leading to continuous improvement and optimization of game features.

• Collaboration & Teamwork: A strong emphasis on working together in a small, multidisciplinary team, valuing open communication and mutual support.

• Innovation & Creativity: Encouraging new ideas and unique approaches to gameplay features and player experience.

• Impact-Oriented: A focus on making a tangible contribution to the success of globally played games.

Collaboration Style:

• Cross-functional Integration: Developers work closely with designers and artists, fostering a shared understanding of game vision and player experience.

• Open Communication: Expect direct and honest feedback, encouraging a culture of continuous learning and improvement.

• Agile & Iterative: The team likely embraces an agile mindset, with frequent check-ins, rapid prototyping, and a willingness to adapt based on testing and player input.

📝 Enhancement Note: The "passion for quality work" and the emphasis on player feedback highlight a culture that is both creative and analytically driven. This blend is essential for maintaining and growing a successful live-service mobile game like Paper.io 2.

⚡ Challenges & Growth Opportunities

Challenges:

• Maintaining High Polish Standards: Continuously elevating the visual and interactive quality of Paper.io 2 to meet player expectations and stand out in a crowded market.

• Performance Optimization on Diverse Devices: Ensuring the game runs smoothly and efficiently across a wide range of mobile devices with varying capabilities.

• Balancing Innovation with Live Operations: Introducing new features and meta-gameplay while ensuring stability and positive player reception for an existing, popular title.

• Adapting to Player Feedback: Effectively interpreting and acting upon player feedback and analytics to drive meaningful improvements without disrupting the core player experience.

Learning & Development Opportunities:

• Advanced Unity & C# Techniques: Opportunities to explore and implement cutting-edge Unity features, advanced C# patterns, and performance optimization techniques.

• Specialized Skill Development: Deep dive into specific areas of expertise such as shader programming, complex animation systems, or advanced UI architecture.

• Mentorship: Opportunity to mentor junior developers and contribute to the growth of the development team.

• Industry Trends: Exposure to the latest trends in mobile game development, player engagement, and monetization strategies.

📝 Enhancement Note: The challenges presented are inherent to live-service game development, requiring a developer who is not only technically proficient but also adaptable and player-centric. The growth opportunities are geared towards deepening technical expertise and developing leadership potential.

💡 Interview Preparation

Strategy Questions:

• UI/Animation/Polish Approach: "Describe your process for adding polish to a game feature. Can you provide an example of how you've improved the user experience through UI or animation enhancements in a previous project?"

• Performance Optimization: "What are your go-to methods for identifying and resolving performance issues in Unity mobile games? Walk me through a time you had to optimize a critical game system."

• Live Game Development: "How do you approach developing new features for a live game versus a new project? What considerations are most important when iterating based on player feedback?"

• Technical Decision Making: "Describe a complex technical challenge you faced and how you arrived at a solution. What were the trade-offs involved?"

Company & Culture Questions:

• Voodoo's Games: "What are your thoughts on Paper.io 2 and Voodoo's portfolio of games? What excites you about contributing to this specific title?"

• Team Collaboration: "How do you prefer to collaborate with designers and artists? Describe a situation where collaboration led to a significantly better outcome."

• Quality Standards: "How do you define 'game polish,' and how do you ensure it's consistently applied across a project?"

Portfolio Presentation Strategy:

• Focus on Impact: For each project presented, clearly articulate the problem you solved, your specific technical contributions (especially in UI, animations, polish), and the positive outcome or impact.

• Show, Don't Just Tell: Use video clips or interactive demos where possible to showcase your work in action.

• Explain Your Process: Be ready to detail your workflow, from initial concept and implementation to optimization and iteration.

• Quantify Results: If you have data (e.g., performance improvements, engagement metrics influenced by your work), present it clearly.

📝 Enhancement Note: Interview questions will heavily probe your practical experience with Unity, C#, and your specific contributions to UI, animations, and polish. The portfolio presentation is a critical component, so prepare to articulate your process and impact thoroughly.

📌 Application Steps

To apply for this Senior Game Developer position:

• Submit your application through the provided Ashby link.

• Portfolio Customization: Curate your portfolio to prominently feature projects demonstrating your expertise in UI development, animation implementation, game polish, and performance optimization within Unity. For each project, clearly outline your specific contributions and the impact of your work.

• Resume Optimization: Tailor your resume to highlight your 5+ years of professional experience in C# and Unity, focusing on mobile game development and any specialized skills mentioned (shaders, animation systems, etc.). Use keywords from the job description.

• Prepare for Technical Deep Dive: Be ready to discuss your C# and Unity skills in detail, and prepare for potential coding challenges or technical problem-solving scenarios related to the role's focus areas.

• Research Voodoo & Paper.io 2: Familiarize yourself with Voodoo's company culture, their portfolio of games, and the current state and gameplay of Paper.io 2. Understand their market position and target audience.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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