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 OK for Spain, Netherlands, Sweden, Poland, Georgia, Germany, Romania, Ukraine, United Kingdom, Malta, Italy, Estonia, France)

Job Type: FULL_TIME

Category: Game Development / Software Engineering

Date Posted: 2026-03-09

Experience Level: 5-10 years

Remote Status: Fully Remote within CET +/-2h is possible.

🚀 Role Summary

• Develop and enhance client-facing features with a primary focus on User Interface (UI), Animations, and overall game polish for the popular mobile game Paper.io 2.

• Drive core gameplay improvements and contribute to the development of new meta features that increase player engagement and retention.

• Work within a small, high-performing team of experts, contributing to all phases of the game development lifecycle from ideation to testing and iteration.

• Leverage a strong understanding of the casual mobile game market to deliver fun, innovative, and entertaining player experiences.

• Collaborate with a multidisciplinary team, impacting daily decisions and contributing to the creation of globally recognized hit games that entertain millions.

📝 Enhancement Note: While the job title is "Senior Game Developer," the description and responsibilities strongly indicate a specialized role focusing on the visual and interactive aspects of the game. The emphasis on UI, animations, and polish suggests a need for a developer with a keen eye for detail and a passion for creating a smooth, engaging user experience, rather than a generalist gameplay programmer. The remote flexibility across multiple European countries is a significant operational perk.

📈 Primary Responsibilities

• Design, implement, and refine client-facing features, with a specific emphasis on UI elements, in-game animations, and overall visual polish to enhance player experience.

• Contribute to core gameplay improvements, ensuring a fun and intuitive player interaction loop that aligns with the casual mobile game market.

• Develop and integrate new meta-game features that add depth, longevity, and replayability to Paper.io 2.

• Enhance and refine existing game systems, focusing on performance, stability, and user experience improvements.

• Participate in the full game development cycle, including ideation, prototyping, development, testing, and post-launch iteration based on player feedback and data analysis.

• Collaborate closely with designers, artists, and other engineers to translate game concepts into high-quality, polished features.

• Proactively identify and address technical debt, performance bottlenecks, and areas for optimization within the game's codebase.

📝 Enhancement Note: The responsibilities are clearly geared towards a developer who can take ownership of feature development from concept to deployment, with a strong emphasis on the player-facing aspects of the game. The mention of "fleshing out the details of a game's design, overseeing its testing, and revising the game in response to player feedback" highlights the iterative and collaborative nature of the role within a live-service game environment.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong educational foundation in Computer Science, Game Development, or a related field is implied through the experience requirements.

Experience: 5+ years of professional experience in game development, with a significant portion focused on mobile platforms.

Required Skills:

• 5+ years of professional experience in C# programming.

• Proven expertise with the Unity game engine.

• Demonstrable experience in successful mobile game development, evidenced by a portfolio of released titles.

• Strong problem-solving skills, with a particular focus on performance optimization and system efficiency.

• Excellent written and verbal communication skills in English, essential for cross-functional collaboration and team discussions.

Preferred Skills:

• Exceptional expertise in a specialized area such as animation systems, particle systems, shaders, game architecture, performance optimization, or networking.

• Deep understanding of UI/UX principles and best practices for mobile casual games.

• Experience with animation tools and workflows within Unity.

• Familiarity with the hybrid-casual, casual, or mid-core mobile game market.

• Ability to contribute to game design discussions and provide technical feasibility assessments.

📝 Enhancement Note: The "major plus" for specialized expertise indicates that candidates with a strong background in areas like animation, shaders, or performance optimization will be highly competitive. This suggests the company values deep technical skills in specific domains to elevate the game's quality. The requirement for a "proven track record in successful mobile game development" implies a need for candidates who can demonstrate tangible contributions to commercially successful titles.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 significant projects demonstrating professional C# and Unity development, ideally for mobile platforms.

• Highlight specific contributions to UI implementation, animation integration, and visual polish in personal or professional projects.

• Include examples of features or systems that required significant optimization or performance tuning.

Process Documentation:

• Be prepared to discuss your development workflow, including how you approach feature design, implementation, testing, and iteration.

• Provide insights into your methodologies for debugging, performance profiling, and optimizing code within the Unity engine.

• Detail your experience with version control systems (e.g., Git) and collaborative development processes.

• Be ready to articulate how you incorporate player feedback and data analytics into your development process to drive improvements.

📝 Enhancement Note: For a Senior Game Developer role, a robust portfolio is paramount. It should not just list projects but clearly articulate the candidate's specific role, technical challenges overcome, and the impact of their contributions, especially in UI, animations, and polish. Demonstrating an understanding of the full development lifecycle and iterative improvement processes will be key.

💵 Compensation & Benefits

Salary Range: Based on the "Best-in-class compensation" claim and the Senior level, with 5-10 years of experience, in a high-cost European city like Paris, a competitive salary range would typically be between €65,000 - €95,000 annually. For remote roles in other specified countries, this range would be adjusted based on local market rates and cost of living.

Benefits:

• Best-in-class compensation package.

• Additional benefits tailored to the country of residence (e.g., health insurance, retirement plans, paid time off specific to local regulations).

• Opportunity to work on globally successful mobile games with a massive player base.

• Collaborative and dynamic work environment with industry experts.

• Potential for significant impact on game design and development decisions.

• Flexible working hours and remote work options within specified time zones.

Working Hours: 40 hours per week, with flexibility to accommodate different time zones for remote employees.

📝 Enhancement Note: The "Best-in-class compensation" suggests Voodoo aims to attract top talent and is willing to pay competitively. The "Other benefits according to the country you reside" indicates a standard practice for international companies to comply with local labor laws and offer competitive local benefits packages, which could range from comprehensive health insurance and pension schemes to additional paid time off and employee assistance programs. Salary estimates are based on industry benchmarks for senior game developers in Western Europe.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mobile Gaming & App Publishing. Voodoo is a prominent player in the hyper-casual and casual mobile game market, known for its rapid growth and data-driven approach to game development and user acquisition.

Company Size: 800+ employees. This indicates a well-established company with significant resources, but also a structure that allows for smaller, agile teams working on specific games.

Founded: 2013. Voodoo has a history of innovation and success in the mobile space, evolving from its initial focus to become a major global publisher.

Team Structure:

• The Gaming team is diverse, comprising experts in hybrid-casual, casual, and mid-core game genres.

• The "Live games" team, to which this role belongs, focuses on optimizing and engaging players with existing, successful titles like Paper.io 2.

Methodology:

• Data-driven decision-making is a cornerstone of Voodoo's strategy, influencing game design, feature prioritization, and live operations.

• Agile development methodologies are likely employed to ensure rapid iteration and responsiveness to market trends and player feedback.

• A strong emphasis on user acquisition and retention metrics guides product development and live operations strategies.

Company Website: https://voodoo.io/

📝 Enhancement Note: Voodoo's culture is characterized by a blend of entrepreneurial spirit, data-driven insights, and a focus on creating highly engaging mobile experiences. The company's rapid growth and success suggest a fast-paced environment where innovation and efficiency are highly valued. The team structure emphasizes autonomy and direct impact, which is attractive for senior roles.

📈 Career & Growth Analysis

Operations Career Level: Senior Game Developer. This role is positioned at a senior level, implying significant autonomy, technical leadership potential, and the ability to mentor junior developers. The scope includes contributing to key decisions and shaping the future of a major game title.

Reporting Structure: The role is within one of Voodoo's "Live Studios," working on Paper.io 2. The team is described as small and multidisciplinary. While a direct manager isn't specified, the senior nature suggests reporting to a Lead Developer, Producer, or Studio Head, with close collaboration across the small studio team.

Operations Impact: The impact is substantial. By improving UI, animations, and polish, the Senior Game Developer directly influences player engagement, satisfaction, and retention, which are critical metrics for live mobile games. Contributions to core gameplay and meta features can significantly boost monetization and long-term player base growth. The role is positioned to make daily contributions to important decisions.

Growth Opportunities:

• Technical Specialization: Deepen expertise in UI/UX, animation systems, Shaders, performance optimization, or other specialized areas within game development.

• Leadership Development: Progress into Lead Developer or Technical Director roles, guiding teams and setting technical direction for new features or projects.

• Game Design Influence: With proven success and understanding of player behavior, transition into more design-focused responsibilities or contribute more heavily to game strategy.

• Cross-Studio Mobility: Potential to move between different studios or projects within Voodoo, exploring new genres or game types.

• Mentorship: Opportunity to mentor junior developers and contribute to the growth of the team and Voodoo's talent pool.

📝 Enhancement Note: The Senior title implies significant responsibility and a path for further career advancement within Voodoo, particularly in leadership or highly specialized technical roles. The emphasis on "impacting daily decisions" highlights the high level of autonomy and influence this role offers.

🌐 Work Environment

Office Type: Voodoo offers flexibility with Paris-based, Barcelona-based, Amsterdam-based, or fully remote options within CET +/-2h. This suggests a modern, hybrid work environment that prioritizes employee well-being and global talent acquisition.

Office Location(s): Paris (France), Barcelona (Spain), Amsterdam (Netherlands), and remote presence in numerous European countries. This wide reach allows for talent acquisition across diverse cultural and technical landscapes.

Workspace Context:

• Collaborative Environment: Despite remote options, the emphasis on a "small team of excellent people" suggests a close-knit, collaborative atmosphere where ideas are shared freely and cross-functional communication is key.

• Tools & Technology: Access to industry-standard development tools and technologies within Unity, likely supplemented by Voodoo's internal platforms for analytics, project management, and communication.

• Team Interaction: For remote employees, regular communication via video conferencing, instant messaging, and project management tools will be crucial for maintaining team cohesion and driving project progress.

Work Schedule: Standard 40-hour work week, with flexibility to accommodate remote employees across different European time zones. This allows for work-life balance while ensuring continuous development and team alignment.

📝 Enhancement Note: The hybrid and remote-friendly nature of the role is a significant aspect of the work environment, offering flexibility. The description of the team as "small" and "excellent" implies a high-performance culture where direct collaboration and mutual respect are likely valued, regardless of physical location.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess your experience, skills, and alignment with the role's requirements.

• Technical Interview(s): Focused discussions on C#, Unity, game development principles, and potentially live coding exercises or technical challenges related to UI, animations, or performance optimization.

• Portfolio Review: A dedicated session to walk through your portfolio, discussing specific projects, your contributions, technical challenges, and the impact of your work.

• Team/Culture Fit Interview: Conversations with members of the Paper.io 2 team to assess collaboration style, problem-solving approach, and cultural alignment with Voodoo's values.

• Final Interview: Likely with a senior leader or hiring manager to discuss the role's strategic importance, your long-term career goals, and finalize any offer details.

Portfolio Review Tips:

• Curate Wisely: Select 3-5 of your strongest projects that best showcase your expertise in C#, Unity, UI, animations, and polish.

• Highlight Your Role: For each project, clearly articulate your specific responsibilities, technical contributions, and the challenges you overcame.

• Showcase Polish: Emphasize projects where you significantly contributed to the game's visual appeal, smooth animations, and overall user experience.

• Quantify Impact: If possible, use metrics to demonstrate the positive impact of your work (e.g., improved frame rates, reduced load times, enhanced player retention from new UI features).

• Prepare to Discuss: Be ready to dive deep into the technical details of your projects, explain your design choices, and answer questions about your problem-solving process.

Challenge Preparation:

• Expect a Technical Challenge: Be prepared for a practical coding challenge, likely involving Unity and C#, focusing on areas relevant to the role (e.g., implementing a UI element with animations, optimizing a scene, or creating a small gameplay mechanic).

• Focus on Clean Code & Efficiency: Demonstrate best practices in coding, including clear structure, comments where necessary, and efficient algorithms.

• Think Aloud: During a live coding challenge, articulate your thought process, explaining your approach, potential solutions, and any trade-offs you consider.

• Time Management: Practice solving problems within a reasonable timeframe, as you'll likely be given a specific duration for any coding exercises.

📝 Enhancement Note: The emphasis on a portfolio review and potential technical challenges suggests that Voodoo values practical, demonstrable skills. Candidates should prepare to not only talk about their experience but also show tangible proof of their abilities, particularly in the specialized areas of UI, animations, and polish.

🛠 Tools & Technology Stack

Primary Tools:

• Unity: The core game engine for development. Proficiency in the latest versions is expected.

• C#: The primary programming language.

• Version Control: Git is the industry standard and highly likely to be used for code management.

Analytics & Reporting:

• Voodoo's Internal Analytics Platform: While not explicitly named, Voodoo, as a data-driven company, will have robust internal tools for tracking player behavior, game performance, and monetization metrics. Familiarity with data analysis concepts and the ability to integrate with such systems is key.

CRM & Automation:

• Not directly applicable to this development role, but understanding how game features impact user engagement and monetization funnels is beneficial.

📝 Enhancement Note: The primary technical stack is clearly Unity and C#. However, understanding Voodoo's data-driven culture implies that familiarity with analytics concepts and how to instrument code for data collection will be advantageous, even if direct use of proprietary analytics tools isn't required.

👥 Team Culture & Values

Operations Values:

• Quality & Polish: A strong commitment to delivering high-quality, polished products that provide an excellent player experience. This is evident in the role's focus on UI, animations, and polish.

• Data-Driven Innovation: Decisions are informed by data, but creativity and innovative gameplay ideas are encouraged to push the boundaries of mobile gaming.

• Collaboration & Teamwork: Working effectively within a small, multidisciplinary team is crucial, fostering a supportive environment where contributions are valued.

• Player-Centricity: A deep understanding of the player base and a commitment to iterating based on player feedback to ensure long-term engagement.

• Efficiency & Impact: A drive to create impactful features that contribute directly to the success of Voodoo's games and the company's growth.

Collaboration Style:

• Agile & Iterative: Likely a fast-paced, iterative approach where continuous feedback and adaptation are encouraged.

• Cross-Functional: Close collaboration between developers, artists, designers, and potentially product managers/producers to bring game ideas to life.

• Open Communication: Given the small team size and remote options, clear and frequent communication through digital channels is essential.

• Ownership & Accountability: Team members are expected to take ownership of their work and be accountable for delivering results.

📝 Enhancement Note: The value placed on "quality work," "creative approach," and a "passion for quality" highlights that Voodoo seeks developers who are not just coders but true craftspeople dedicated to their product. The emphasis on collaboration within a small team suggests a flat hierarchy and direct communication channels.

⚡ Challenges & Growth Opportunities

Challenges:

• Maintaining High Standards on a Live Game: Continuously improving and adding features to a game with millions of active users while ensuring stability and performance is a significant challenge.

• Balancing Innovation with Player Expectations: Introducing new features or significant UI/animation overhauls requires careful consideration of player habits and preferences to avoid alienating the existing player base.

• Remote Collaboration: Effectively collaborating and maintaining team cohesion in a distributed, remote environment requires strong communication skills and proactive engagement.

• Technical Debt Management: As a live game evolves, managing technical debt and ensuring code maintainability while pushing new content can be demanding.

Learning & Development Opportunities:

• Cutting-Edge Mobile Tech: Gain experience with the latest Unity features and mobile development best practices.

• Specialized Skill Development: Opportunity to hone skills in UI/UX design, advanced animation techniques, shader programming, or performance optimization through project work.

• Industry Exposure: Work with a leading mobile publisher and gain insights into the broader mobile gaming market, player acquisition, and live operations strategies.

• Mentorship: Learn from experienced game development professionals within the Voodoo ecosystem.

📝 Enhancement Note: The challenges presented are typical for senior roles on live-service games and offer excellent opportunities for learning and growth. Candidates who can demonstrate resilience, adaptability, and a proactive approach to problem-solving will thrive.

💡 Interview Preparation

Strategy Questions:

• Technical Depth: "Describe a complex UI system you've built in Unity. What were the main challenges, and how did you ensure its performance and responsiveness?"

• Animation & Polish: "Walk us through your process for integrating and refining animations to create a polished player experience. Can you give an example?"

• Problem Solving: "Imagine Paper.io 2's frame rate drops significantly on older devices when a new meta feature is active. How would you approach diagnosing and resolving this performance issue?"

• Game Design & Player Focus: "How do you balance implementing new features with maintaining the core gameplay loop that players love? How do you incorporate player feedback into your development?"

Company & Culture Questions:

• Voodoo's Mission: "What excites you about Voodoo's mission to 'entertain the world' and its position as a top mobile publisher?"

• Teamwork: "Describe a time you had to collaborate closely with artists or designers to achieve a specific visual or interactive goal for a game."

• Impact: "How do you measure the success of your contributions to a game? What metrics are most important to you?"

Portfolio Presentation Strategy:

• Storytelling: For each project, frame it as a narrative: the problem, your solution, and the outcome/impact.

• Visuals: Use clear screenshots, GIFs, or short video clips to demonstrate your work, especially for UI and animations.

• Technical Breakdown: Be ready to discuss the specific Unity features, C# code patterns, and optimization techniques you employed.

• Focus on Relevance: Highlight projects that directly relate to UI, animations, polish, and mobile game development.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just technical proficiency but also a deep understanding of game development principles, player experience, and collaborative problem-solving. Being able to articulate your process and impact clearly is crucial.

📌 Application Steps

To apply for this operations position:

• Submit your application through the provided Ashby link.

• Portfolio Customization: Curate your portfolio to prominently feature projects demonstrating your expertise in C#, Unity, particularly in UI implementation, animation integration, and visual polish for mobile games. Ensure each project clearly outlines your specific contributions and the technical challenges you overcame.

• Resume Optimization: Tailor your resume to highlight your 5+ years of experience in Unity and C#, emphasizing your track record in successful mobile game development and any specialized skills relevant to UI, animations, or performance optimization. Use keywords from the job description naturally.

• Interview Preparation: Practice articulating your development process, problem-solving methodologies, and how you approach quality and polish. Prepare to discuss your portfolio projects in detail and be ready for technical questions and potential coding challenges.

• Company Research: Familiarize yourself with Voodoo's game portfolio, their market position, and their emphasis on data-driven development and player engagement. Understand their culture and values to demonstrate alignment.

⚠️ 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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