Senior Unity Developer | Catalog Games

Xbox Media Solutions (Formerly Activision Blizzard Media); Barcelona; On-site; EUR 70,000 - 95,000; Full time

Job summary

King in Barcelona is seeking a Senior Unity Developer to join the Catalog Games team. You’ll maintain a newly acquired Unity title and explore migrating existing C++/custom engine games into Unity, collaborating with engineers to understand the codebase and influencing the architecture of future Unity projects.

Together with designers, artists and producers, you’ll drive technical evolution and craft engaging player experiences, uphold quality, and help expand the Unity toolset while mentoring

Qualifications

• Extensive Unity/C# development experience.
• Strong architectural knowledge and ability to adapt to new codebases.
• Experience building and supporting development tools; mobile development practices.
• Excellent communication skills; collaborate across disciplines.
• Willing to learn and adapt; open to AI-assisted workflows.
• Eager to grow and receive feedback.

Responsibilities

• Maintain, expand, and document Unity features; ensure stability.
• Model best coding practices; uphold quality standards.
• Collaborate with engineers, design, art, product, and QA to deliver high-quality experiences.
• Break down goals into tasks, estimate timelines, and implement high-quality solutions.
• Communicate progress, risks, and ideas to the team.
• Uphold quality via architecture reviews, testing, and feedback.
• Improve stability by debugging live issues, profiling, and reducing tech debt.

Skills

Unity

C#

Architecture

Tools in game dev

Mobile development

Communication

Learning/adapting

Feedback

Tools

Jenkins

Job description

Craft:

Job Description:

We’re looking for a Senior Unity Developer to join the Catalog Games - a lean team at King that manages nine games, soon to be ten. As part of a Unity sub-team, you’ll maintain our newly acquired Unity title and explore how we can migrate existing C++/custom engine games into Unity. You’ll collaborate closely with our engineers to understand the current codebase and play a critical role in the architecture of future Unity projects. Together with designers, artists, and producers, you’ll drive both technical evolution and great player experiences.

Responsibilities:

• Proactively maintain, expand, and document features in the Unity-based game, ensuring stability and growth.
• Be a role model in coding practices, inspiring your team with an innovative mindset and helping uphold quality standards.
• Collaborate closely with engineers and other disciplines (design, art, product, and QA) to deliver high-quality game experiences.
• Break larger goals into tasks, estimate timelines, and implement high-quality solutions.
• Communicate frequently, updating the team on progress, risks, and sharing ideas.
• Uphold quality through architecture/code reviews, testing, and feedback.
• Improve stability by investigating live issues, fixing bugs, profiling, and managing tech debt.

SKILLS TO CREATE THRILLS

• Extensive software development experience in Unity and C#.
• Strong architectural knowledge with the ability to quickly adapt to new codebases.
• Experience creating and supporting tools in game development, along with mobile development expertise and best practices.
• Excellent communication skills, both verbal and written, with a proven ability to collaborate effectively across design, art, and multidisciplinary teams.
• You’re quick to learn and adapt to new workflows and tools, and you’re open to leveraging AI technology to enhance your daily work.
• You are keen to grow and develop yourself and you are good at giving and receiving feedback.

BONUS POINTS

• Build engineering experience (e.g. Jenkins)
• Experience working in multidisciplinary teams.
• Experience in other languages such as C++ or Python.

About King

With a mission of Making the World Playful, King is a leading interactive entertainment company for the mobile world with more than 20 years of history of delivering some of the world’s most iconic games in the mobile gaming industry, including the world-famous Candy Crush franchise, as well as other mobile titles such as Farm Heroes Saga. Around 200 million people play a King game every month. King, part of Microsoft (NASDAQ: MSFT), has Kingsters in Stockholm, Malmö, London, Barcelona, Berlin, Dublin, San Francisco, New York, Los Angeles and Malta. More information can be found at King.com or by following us on LinkedIn and @lifeatking on Instagram.