Gameplay & UI Developer

Jobgether
Full-timeUnited Kingdom

📍 Job Overview

Job Title: Gameplay & UI Developer

Company: Jobgether (for a partner company)

Location: United Kingdom

Job Type: Full-time

Category: Game Development / Software Engineering (Client-facing Features)

Date Posted: 2026-09-14

Experience Level: 5+ Years Professional Experience

Remote Status: Fully Remote

🚀 Role Summary

  • Develop and implement client-facing gameplay features with a primary focus on UI, animation, and visual polish for a globally successful mobile game.

  • Design and enhance core gameplay systems and meta-features, directly impacting player engagement and retention.

  • Collaborate within a senior, multidisciplinary team to translate creative concepts into polished, high-quality gaming experiences.

  • Leverage expertise in Unity and C# to drive technical improvements, performance optimization, and overall game quality.

📝 Enhancement Note: While the title is "Gameplay & UI Developer," the description heavily emphasizes client-facing features, UI, animation, and visual polish. This suggests a role that bridges gameplay mechanics with a strong user interface and experience component, particularly in the context of mobile gaming where UI/UX is critical for engagement and monetization. The "partner company" aspect means direct company details are limited, but Jobgether's AI matching process is highlighted.

📈 Primary Responsibilities

  • Develop client-facing gameplay features with a strong focus on UI, animations, visual polish, and overall user experience.

  • Design and implement core gameplay improvements that enhance engagement and playability, ensuring a seamless player experience.

  • Develop new meta features and systems that expand the game's experience and player retention strategies.

  • Enhance, maintain, and refine existing gameplay and technical systems, addressing bugs and implementing performance optimizations.

  • Bring innovative ideas and creative approaches to gameplay features while adapting them to the game's established experience and brand.

  • Contribute to game design decisions and help translate concepts into polished, playable experiences through hands-on development.

  • Participate in testing, iteration, and refinement cycles based on player feedback, analytics insights, and team reviews.

  • Collaborate closely with designers, artists, and other developers in a multidisciplinary environment to ensure feature coherence and quality.

  • Identify and resolve technical challenges, maintaining strong performance and optimization standards critical for mobile gaming.

  • Take ownership of projects and features according to individual strengths and areas of expertise, demonstrating leadership potential.

  • Contribute to maintaining high technical and creative standards across all aspects of the game's client-side development.

📝 Enhancement Note: The responsibilities highlight a blend of creative input and technical execution, with a strong emphasis on player experience and iterative development. The "ownership" aspect suggests a mid-to-senior level role where individuals are expected to drive features independently.

🎓 Skills & Qualifications

Education: Not specified, but a Bachelor's degree in Computer Science, Game Development, or a related field is typically preferred for roles of this nature.

Experience: 5+ years of professional game development experience, with a significant focus on mobile games.

Required Skills:

  • 5+ years of professional experience working with C# and Unity.

  • Proven track record of developing and shipping successful mobile games.

  • Strong understanding of gameplay development principles and the casual mobile gaming market.

  • Proficiency in developing UI elements, animations, and visual polish for mobile platforms.

  • Strong problem-solving skills with a focus on optimization, performance, and technical quality.

  • Ability to contribute ideas and make practical decisions in a fast-moving game development environment.

  • Excellent written and verbal communication skills in English for effective collaboration.

  • Strong teamwork and collaboration skills, essential for working within multidisciplinary teams.

  • Ability to work effectively with senior, multidisciplinary teams and take ownership of assigned features. Preferred Skills:

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

  • Experience developing new meta features and enhancing existing game systems.

  • Familiarity with A/B testing and data-driven decision-making for feature iteration.

  • Understanding of game design principles and how to translate them into functional gameplay.

  • Experience with live game operations and iterating based on player feedback.

📝 Enhancement Note: The "5+ years" requirement combined with the need for shipping successful mobile games and specialized expertise suggests a mid-to-senior level developer. The emphasis on specific technical areas like shaders or optimization points to a need for deep technical knowledge in at least one domain, alongside broad Unity/C# skills.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • Demonstrate successful development of client-facing features, with a focus on UI, animations, and visual polish in Unity.

  • Showcase examples of core gameplay systems designed and implemented for mobile games.

  • Include case studies of new meta-features developed and integrated into existing game structures.

  • Provide evidence of performance optimization and problem-solving in Unity projects, highlighting efficiency improvements. Process Documentation:

  • Illustrate workflow design and optimization for feature development, from concept to implementation.

  • Showcase system implementation methods for new game mechanics and UI elements.

  • Present examples of how processes were used to measure and analyze the performance of implemented features.

  • Detail experience in iterative development cycles, incorporating player feedback and performance data.

📝 Enhancement Note: For a Gameplay & UI Developer role, a portfolio is crucial. It should not just list projects but demonstrate the impact and process behind them, particularly showcasing UI/UX polish, gameplay mechanics, and technical optimization. The "partner company" context means specific system requirements might vary, but the general expectation for Unity/C# development is clear.

💵 Compensation & Benefits

Salary Range: Given the "best-in-class compensation" claim and the 5+ years of experience requirement for a specialist role in the UK, a competitive salary range is expected. For a senior Gameplay & UI Developer in the UK, this could range from £60,000 to £90,000+ per annum, depending on specific experience, specialization, and the partner company's compensation philosophy.

Benefits:

  • Fully remote position, with flexibility for candidates within CET ±2 hours.

  • Best-in-class compensation package.

  • Additional country-specific benefits tailored to the UK.

  • Opportunity to work on a globally recognized and successful mobile game.

  • Direct impact on gameplay, features, and player experience, offering significant professional satisfaction.

  • Collaborative environment with experienced gaming professionals, fostering learning and growth.

  • Creative contribution to important game development decisions.

  • Exposure to live game development, feature iteration, and player-driven improvements.

Working Hours: The job description implies a standard full-time work schedule, likely around 40 hours per week, with the remote nature offering flexibility. The "CET ±2 hours" mention suggests a need for core working hours overlap for team collaboration.

📝 Enhancement Note: The salary estimate is based on industry benchmarks for experienced game developers in the UK and the "best-in-class" compensation statement. Specific benefits will depend on the partner company, but the core offerings are detailed. The remote work flexibility is a significant benefit.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mobile Game Development (Global Market)

Company Size: Not specified, but the role is within a "small, senior, and multidisciplinary team," suggesting a lean, agile development environment. The partner company likely has a significant user base given the "globally successful mobile game" context.

Founded: Not specified.

Team Structure:

  • Operates as a small, senior, and multidisciplinary team, implying close collaboration and shared ownership.

  • Likely reports into a Lead Developer or Technical Director, with close interaction with Game Designers and Artists.

  • Emphasis on cross-functional collaboration, with individuals contributing across design, development, and refinement stages. Methodology:

  • Agile development methodologies are implied, with iterative development, testing, and refinement based on player feedback and performance insights.

  • Data-driven decision-making is suggested through the mention of "performance insights" and player feedback.

  • Focus on quality and polish, with a commitment to delivering engaging and visually appealing user experiences.

Company Website: Jobgether acts as an intermediary; the partner company's website is not directly provided.

📝 Enhancement Note: The culture is described as collaborative, senior-led, and focused on quality and player experience. The "partner company" aspect means specific details are generalized, but the focus on a "globally successful mobile game" implies a company with a proven track record and significant resources.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a mid-to-senior Gameplay & UI Developer. It requires significant experience (5+ years) and the ability to take ownership of features, contribute to design decisions, and mentor junior team members implicitly through collaboration.

Reporting Structure: While not explicitly stated, the candidate will likely report to a Lead Developer or Technical Director within the partner company's game development team. They will work closely with designers, artists, and potentially other specialized engineers.

Operations Impact: The developer will have a direct and significant impact on the player experience of a globally recognized mobile game. Their work on UI, animation, and gameplay mechanics will directly influence player engagement, retention, and potentially monetization.

Growth Opportunities:

  • Specialization: Deepen expertise in areas like advanced UI/UX, animation systems, shaders, performance optimization, or technical architecture within the game development pipeline.

  • Leadership: Progress into roles like Lead Gameplay Developer, Technical Lead, or even a Producer role, managing feature development and team coordination.

  • Skill Expansion: Gain exposure to various aspects of live game operations, data analysis for player behavior, and cross-functional team management.

  • Project Impact: Continue to contribute to high-profile, globally successful games, building a strong portfolio and reputation in the industry.

📝 Enhancement Note: The growth path for a developer in this role is typically through specialization in technical areas or progression into leadership and project management. The emphasis on a "senior" team suggests opportunities to learn from experienced professionals and take on more complex responsibilities.

🌐 Work Environment

Office Type: Fully Remote.

Office Location(s): Primarily based within the UK, with a requirement for working hours to align within CET ±2 hours for effective team collaboration.

Workspace Context:

  • A fully remote setup means candidates will work from their home office, requiring self-discipline and effective remote communication tools.

  • The environment is described as collaborative, suggesting frequent interaction through video calls, chat, and project management tools.

  • Access to necessary development tools (Unity, C#, version control) will be provided or expected to be managed by the remote employee.

Work Schedule: Full-time, with a likely standard workweek of approximately 40 hours. The remote nature and CET ±2 hours requirement suggest a need for some overlap during core European business hours for meetings and synchronous collaboration.

📝 Enhancement Note: The remote aspect is a key feature, offering flexibility. However, the CET ±2 hours constraint is important for candidates outside this time zone to consider regarding their daily schedule and availability for collaborative work.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening (Jobgether AI): AI-powered matching to assess core requirements and fit.

  • Application Review: Shortlisted candidates' applications and portfolios are shared with the hiring company.

  • Technical Interview(s): Likely involves in-depth discussions on Unity, C#, gameplay development, UI/UX principles, and problem-solving. Expect coding challenges or live coding exercises.

  • Portfolio Presentation: Candidates will likely be asked to walk through their portfolio, detailing their role, technical challenges, solutions, and the impact of their work on gameplay and UI.

  • Team/Cultural Fit Interview: Discussion with senior team members and potentially designers/artists to assess collaboration style and cultural alignment.

  • Final Decision: Managed by the partner company's internal team.

Portfolio Review Tips:

  • Highlight UI/UX Polish: Showcase specific examples of UI elements, animations, and visual polish you've implemented and explain the design choices and technical execution.

  • Demonstrate Gameplay Impact: For core gameplay features, clearly articulate how your work improved player engagement, retention, or overall fun factor. Use metrics if possible.

  • Detail Technical Challenges: Explain complex technical problems you've solved, particularly those related to performance optimization, shaders, or intricate systems, and the solutions you implemented.

  • Showcase Collaboration: If possible, highlight projects where you worked effectively within a multidisciplinary team, explaining your contribution and how you integrated with designers and artists.

  • Quantify Achievements: Whenever possible, use numbers to demonstrate the impact of your work (e.g., "improved loading times by 20%", "implemented UI flow that increased conversion by X%").

Challenge Preparation:

  • Be prepared for coding challenges that test your Unity and C# skills, focusing on object-oriented design, data structures, and algorithms relevant to game development.

  • Expect scenario-based questions asking how you would approach developing specific gameplay features or optimizing existing systems.

  • Practice explaining your thought process clearly and concisely, especially when discussing technical trade-offs and design decisions.

📝 Enhancement Note: The Jobgether AI screening is a unique first step. For the subsequent stages managed by the partner company, a strong portfolio demonstrating UI/UX polish and gameplay impact is paramount. Candidates should be ready to articulate their technical process and problem-solving skills with specific examples.

🛠 Tools & Technology Stack

Primary Tools:

  • Unity: The core game engine for development. Deep expertise is required.

  • C#: The primary programming language for scripting in Unity.

  • Version Control: Likely Git (e.g., GitHub, GitLab, Bitbucket) for code management and collaboration.

  • Project Management: Tools such as Jira, Asana, or Trello for task tracking and workflow management.

Analytics & Reporting:

  • In-game Analytics Tools: e.g., Firebase Analytics, GameAnalytics, or custom solutions for tracking player behavior, feature usage, and performance metrics.

  • Data Visualization: Tools might be used to interpret analytics data, though specific tools are not mentioned.

CRM & Automation:

  • Not directly applicable to this client-facing development role, as it's not a sales/marketing operations position. However, understanding how player data collected through gameplay might feed into broader CRM or marketing automation systems could be a plus.

  • Build Systems: Potentially Jenkins or similar CI/CD tools for automated builds and deployments.

📝 Enhancement Note: The primary technical stack is centered around Unity and C#. Expertise in these is non-negotiable. Experience with version control and project management tools is standard. The mention of "performance insights" implies familiarity with game analytics platforms.

👥 Team Culture & Values

Operations Values:

  • Quality & Polish: A strong commitment to delivering high-quality, visually appealing, and technically sound features.

  • Player-Centricity: Prioritizing player experience, engagement, and satisfaction in all development decisions.

  • Collaboration: Working effectively in a multidisciplinary team, sharing knowledge, and providing constructive feedback.

  • Innovation & Creativity: Encouraging new ideas and creative approaches to gameplay and UI design.

  • Ownership & Accountability: Taking responsibility for features from conception through to iteration and refinement.

  • Efficiency & Optimization: A focus on performance, optimization, and efficient development practices.

Collaboration Style:

  • Highly collaborative, involving close interaction with designers, artists, and other developers.

  • Emphasis on open communication, constructive feedback, and shared problem-solving.

  • Likely follows agile methodologies, encouraging iterative development and continuous improvement.

📝 Enhancement Note: The culture values craftsmanship, teamwork, and a player-first approach. The "senior" nature of the team suggests a culture of mutual respect, expertise sharing, and a drive for excellence in game development.

⚡ Challenges & Growth Opportunities

Challenges:

  • Balancing Technical Constraints with Creative Vision: Effectively implementing complex UI and gameplay features while adhering to performance budgets and design goals for a mobile platform.

  • Iterating on Live Game Systems: Adapting and improving features on a live, globally popular game, requiring careful consideration of player impact and potential unintended consequences.

  • Cross-Disciplinary Communication: Ensuring clear and effective communication between development, design, and art teams to align on feature implementation.

  • Maintaining High Standards: Consistently delivering polished and optimized features in a fast-paced development environment.

Learning & Development Opportunities:

  • Deepen Specialization: Further develop expertise in areas like advanced Unity features, shader programming, animation systems, or mobile performance optimization.

  • Game Design Influence: Gain more exposure to and influence over game design decisions, moving beyond pure implementation.

  • Live Ops Experience: Learn the intricacies of live game operations, including event development, A/B testing, and player feedback analysis.

  • Mentorship: Learn from senior team members and potentially mentor less experienced developers.

📝 Enhancement Note: The primary challenge is the high standard expected for a "globally successful" game. Growth opportunities lie in deepening technical skills or expanding into design-adjacent areas within the live game development context.

💡 Interview Preparation

Strategy Questions:

  • "Describe a challenging UI feature you've developed for a mobile game. What were the technical hurdles, and how did you overcome them?" (Focus on problem-solving, Unity/C# specifics, and UI/UX considerations).

  • "Walk us through a core gameplay system you designed or significantly improved. What was your process, and what was the impact on player engagement?" (Focus on gameplay mechanics, design rationale, and quantifiable results).

  • "How do you approach optimizing game performance on mobile devices? Can you give an example of an optimization you implemented and its outcome?" (Focus on technical expertise, profiling, and efficiency).

  • "How do you collaborate with game designers and artists to ensure the final product meets their vision while remaining technically feasible?" (Focus on communication, teamwork, and technical negotiation). Company & Culture Questions:

  • "What interests you about working on a globally recognized mobile game, and what do you think makes a mobile game successful?" (Assess passion for the industry and understanding of the market).

  • "How do you stay updated with the latest trends in Unity development and mobile game design?" (Assess commitment to continuous learning).

  • "Describe a time you had to adapt your development approach based on player feedback or analytics data." (Assess flexibility and data-driven mindset). Portfolio Presentation Strategy:

  • Structure: Organize your portfolio logically, perhaps by project type or chronological order. For each project, clearly state your role, the technologies used, and the key features you contributed to.

  • Storytelling: For each key example, tell a story: the problem, your solution, the challenges, and the outcome/impact. Use visuals (screenshots, videos) extensively.

  • Quantify: Whenever possible, use metrics to demonstrate success (e.g., performance improvements, engagement increases).

  • Technical Depth: Be prepared to dive into the technical details of your implementations, explaining your code structure, design patterns, and optimization techniques.

📝 Enhancement Note: Interview preparation should heavily focus on demonstrating a strong understanding of Unity/C#, mobile game development best practices, UI/UX principles, and the ability to articulate technical and design decisions with concrete examples from a portfolio.

📌 Application Steps

To apply for this operations position:

  • Submit your application through the provided Jobgether link.

  • Tailor your CV: Highlight your 5+ years of C# and Unity experience, specifically mentioning successful mobile game projects, UI development, animation work, and gameplay systems you've built. Use keywords from the job description.

  • Curate Your Portfolio: Select 2-3 of your most relevant projects that showcase your UI polish, gameplay development, and optimization skills. Prepare to walk through these projects, detailing your specific contributions and their impact.

  • Prepare for Technical Questions: Review Unity, C#, mobile optimization techniques, and common gameplay/UI development challenges. Practice explaining your problem-solving process.

  • Research the Game (if possible): While the partner company isn't named, research popular mobile games known for their UI/UX and engaging gameplay to understand industry standards and potential areas for improvement.

⚠️ 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.

Application Requirements

The ideal candidate has 5+ years of professional experience with C# and Unity in the mobile gaming industry. You must demonstrate a strong track record of shipping successful games and possess expertise in UI, animation, or core gameplay systems.