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Fortis Games

Staff Unity Client Engineer

Fortis Games
Spain · Full-time · Entry

Who We Are

At Fortis Games we aspire to make great games that bring people together while redefining how game companies work. We believe in building a sense of belonging through our games, their communities, and how we operate and treat each other. Through our game communities, we will create powerful connections and lasting memories. We will foster a culture of diversity, equity and belonging where together our diverse skills, experiences and backgrounds impact the games we make.

We are an early but mighty organization with a leadership team of game industry veterans. There are many opportunities for you to have a big impact on the products we'll be making as well as the overall direction of the company. If you're passionate about tackling difficult problems with direct and thoughtful communication and team first mentality, we may be the right place for you.

About The Role

As a Staff Unity Client Engineer, you will own game features and apply your creativity throughout the entire development lifecycle - from initial design to live game support. You will collaborate closely with product, design, and engineering teams to deliver high-quality game client features and reusable components, helping to accelerate development across Fortis Games.

What You’ll Achieve

  • Engage in full-lifecycle development: scoping, design, implementation, documentation, and deployment of our game application.
  • Collaborate with back-end engineers on server-dependent game features.
  • Adhere to studio development guidelines, maintain code style and architecture, and communicate effectively with the development team.
  • Perform in-depth client code analysis to identify and resolve complex bugs and performance issues.
  • Create technical design documents to guide stakeholders and engineers on software design principles.
  • Liaise with game teams to understand and meet their specific requirements.
  • Excel in a collaborative environment, actively contributing to the development process.


What You’ll Need To Be Successful

  • Experience developing mobile games using Unity3D.
  • Familiarity with building SDKs.
  • Familiarity with cloud platforms and automated testing frameworks, including unit tests.
  • Proven software engineering expertise within the gaming industry.
  • Skilled in integrating gameplay feedback through iterative prototyping.
  • In-depth knowledge of game mechanics and design fundamentals.
  • Team player, able to collaborate effectively with engineers, designers, and developers.
  • Dynamic, proactive individual with a keen eye for detail, thriving in innovative environments and demonstrating strong English proficiency and interpersonal communication skills.


Why join us

There are many reasons to join us, but here are a few:

  • We strongly believe we are changing how games studios operate and at the core of what we do is making great games that create a connected community
  • We're not just about making Games Where You Belong. We're also about building communities where our people belong. That's why Fortis is a thriving environment that celebrates diversity, embraces inclusivity, and fosters growth.
  • Build and grow with a seasoned team of accomplished talent who have left an impactful mark in their disciplines, both in and out of gaming


Fortis is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, protected veteran status, or any other basis protected by applicable law, and will not be discriminated against on the basis of disability.

Key Skills

Ranked by relevance

product design server unity cloud
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Posted
Feb 12, 2026
Type
Full-time
Level
Entry
Location
Spain

Industries

Computer Games

Categories

Information Technology

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