Senior Gameplay & UI Developer (Mobile Games) - Unity & C#

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Gameplay & UI Developer based in Portugal.

As a Gameplay & UI Developer, you will help create engaging, polished experiences for a globally successful mobile game. You will contribute to client-facing features with a strong focus on UI, animation, visual polish, and core gameplay improvements. Working within a small, senior, and multidisciplinary team, you will have meaningful ownership over ideas from design through testing and refinement. You will also develop new meta features and enhance existing systems based on player feedback and performance insights. The role combines technical expertise with creativity, giving you the opportunity to shape gameplay decisions and experiment with new ideas. This is a highly collaborative environment where your work can directly influence experiences enjoyed by millions of players worldwide.

Accountabilities

You will contribute to the ongoing development and evolution of a live mobile game, taking ownership of features and improvements while maintaining a high standard of quality and player experience.

• 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.
• Develop new meta features and systems that expand the game's experience.
• Enhance, maintain, and refine existing gameplay and technical systems.
• Bring innovative ideas and creative approaches to gameplay features while adapting them to the game's established experience.
• Contribute to game design decisions and help translate concepts into polished, playable experiences.
• Participate in testing, iteration, and refinement based on player feedback and team insights.
• Collaborate closely with designers, developers, artists, and other specialists in a multidisciplinary environment.
• Identify and resolve technical challenges while maintaining strong performance and optimization.
• Take ownership of projects and features according to your individual strengths and areas of expertise.
• Contribute to maintaining high technical and creative standards across the game.
  
  

Interested in remote work opportunities in Graphic Design & Art? Discover Graphic Design & Art Remote Jobs featuring exclusive positions from top companies that offer flexible work arrangements.

Requirements

The ideal candidate is a hands-on game developer with strong Unity and C# expertise, proven mobile game experience, and a passion for building polished and entertaining player experiences.

• 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 and the casual mobile gaming market.
• Strong problem-solving skills with a focus on optimization, performance, and technical quality.
• Experience developing UI, animations, gameplay systems, or other player-facing features.
• Exceptional expertise in a specialized area such as animation, particle systems, shaders, architecture, performance optimization, or networking is a strong advantage.
• Creative and hands-on approach to development, with a strong attention to detail and commitment to quality.
• Ability to contribute ideas and make practical decisions in a fast-moving game development environment.
• Excellent written and verbal communication skills in English.
• Strong teamwork and collaboration skills.
• Ability to work effectively with senior, multidisciplinary teams and take ownership of assigned features.
  
  

Benefits

Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.

• Fully remote position within CET ±2 hours.
• Best-in-class compensation.
• Additional benefits based on the country of residence.
• Opportunity to work on a globally recognized mobile game.
• Direct impact on gameplay, features, and player experience.
• Collaborative environment with experienced gaming professionals.
• Opportunity to contribute creatively to important game development decisions.
• Exposure to live game development, feature iteration, and player-driven improvements.
  
  

How Jobgether Works

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.