Senior Unity Developer
Date: 20 May 2026
Location: Lisbon, PT
Company: Miniclip
Job Description
We’re looking for a Senior Software Developer to join our Portfolio Product Unit; focused on operating and improving key live game titles through bold experimentation, fast iteration, and high-impact player experiences.
You’ll combine strong technical expertise with product-driven thinking to deliver scalable, maintainable, and high-performance solutions that directly impact engagement, retention, and monetization. You’ll work within a cross-functional environment where experimentation, collaboration, and continuous improvement are part of the team culture.
What will you be doing at Miniclip?
As a Senior Software Developer, you’ll contribute to live mobile games played by millions of users worldwide, helping shape the technical direction of the team while building reliable, scalable, and performant game systems.
You’ll play a key role in driving experimentation, mentoring developers, and improving engineering practices that support rapid iteration and long-term maintainability.
You will:
- Design, implement, and evolve client-side systems, gameplay features, and UI components using Unity.
- Drive experiments end-to-end by translating hypotheses into testable implementations and shipping them quickly to production.
- Integrate frontend logic with APIs, backend services, and experimentation platforms while ensuring robustness and scalability.
- Shape technical direction and proactively contribute to architectural and implementation decisions.
- Support CI/CD pipelines, feature flags, release management, and live operations processes.
- Contribute to code reviews, automated testing, and continuous integration practices to maintain high engineering standards.
- Optimize game performance to ensure smooth rendering, responsiveness, and low-latency interactions across a wide range of mobile devices.
- Collaborate closely with Product, Design, and Engineering teams to align on priorities, player impact, and technical trade-offs.
- Mentor and support other developers, helping grow team autonomy and engineering craft.
- Contribute to internal tools, workflows, documentation, and developer experience improvements.
- Participate in monitoring, incident analysis, and post-mortems to continuously improve system reliability and team effectiveness.
- Go beyond core responsibilities when needed to remove blockers and help the team move faster together.
What are we looking for?
- 5+ years of hands-on experience with Unity.
- 3+ years of experience building and releasing mobile games.
- Strong understanding of software architecture, engineering best practices, and design patterns.
- Experience working in fast-paced, experimental, Agile environments.
- Solid understanding of live-ops and experimentation best practices.
- Experience mentoring or coaching developers within a collaborative team environment.
- Strong understanding of performance optimization and scalable client-side development.
- Comfortable with iteration, experimentation, and data-informed decision-making.
- Strong collaboration, communication, and planning skills.
- Proactive mindset with a strong sense of ownership and accountability.
- Passion for creating great games and continuously improving both product and engineering quality.
Nice to have:
- Experience operating live mobile games at scale.
- Experience with experimentation platforms, feature flagging, and A/B testing frameworks.
- Experience with C++.
- Experience with TypeScript.
What Success Looks Like
- Consistent delivery of high-quality experiments and features to production.
- Measurable improvements across portfolio KPIs such as engagement, retention, and monetization.
- Reliable, performant, and maintainable game systems that scale effectively with live operations.
- Improved engineering quality, team autonomy, and technical decision-making across the team.
- Faster iteration cycles supported by scalable tools, workflows, and technical foundations.
About Miniclip
Miniclip is a global leader in games and one of the world's biggest developers and publishers of mobile games, with a mission of unleashing the gamer in everyone. It distributes highly engaging games to a global audience of over 450 million monthly and 70 million daily active users across mobile, PC, console, social, and online platforms. Operating in 15 countries, Miniclip develops and launches games in multiple categories across its 22 studios.
Founded in 2001 with an internationally recognised brand name, Miniclip has successfully grown a global audience across 195 countries and six continents. It has a unique understanding of the games space, developing and distributing a strong portfolio of over 60 high-quality mobile games globally.
To date, Miniclip’s studios and companies have generated more than 10.5 billion downloads, including the following games: 8 Ball Pool, Subway Surfers, Golf Battle, Football Strike, Carrom Pool, OSM - Online Soccer Manager™, Football Rivals, Pure Sniper, Puzzle Page™, Head Ball 2, Motorsport Manager, Darts of Fury, Ultimate Golf, Mini Football, Triple Match 3D™, Agar.io, PowerWash Simulator, Sudoku.com™, and We Are Warriors™.
For more information, visit https://miniclip.com/