Backend Developer [Esports team]

Ubisoft is a global leader in gaming with teams across the world creating original and memorable gaming experiences, from Assassin’s Creed, Rainbow Six to Just Dance and more. We believe diverse perspectives help both players and teams thrive. If you’re passionate about innovation and pushing entertainment boundaries, join our journey and help us create the unknown!

Job Description

Your life at Ubi

Join the Esports product team behind Rainbow Six Siege’s competitive ecosystem. We build tools, platforms, and data-driven experiences to support pro players, tournament organizers, and fans around the world.

You’ll work alongside product manager, developers, UX designer, and game production teams to bring esports features to life — both inside the game and across our digital platforms (r6esports.com, esports data platform, etc.).

Your main mission

We’re seeking an experienced Intermediate to Senior Backend Developer who will play a key role in designing, developing, and maintaining high-performance APIs and services that power our esports ecosystem.

These APIs provide live data and statistics consumed by

External partners

Analysts and casters

In game esports features

Tournament organizers

Community tools

Internal data analysis and reporting systems

Your work will directly support player facing experiences as well as internal decision making and analytics, with a strong focus on reliability, scalability, and data accuracy.

Qualifications

What you’ll bring

Strong experience designing and building backend APIs and services in .NET Core

Solid knowledge of C# and modern backend development practices

Strong experience with Entity Framework Core (data modeling, performance, migrations)

Experience working with relational databases such as MySQL

Experience with NoSQL databases, especially MongoDB

Familiarity with AWS environments (deployment, cloud services, monitoring, or infrastructure basics)

Demonstrated experience working with live or near real-time data, optimizing performance-sensitive systems, or developing data-intensive applications.

Good understanding of API design, versioning, documentation, and security

Experienced with unit and integration tests

Comfortable working in cross functional teams and communicating clearly in English (spoken and written); French is a plus

Interest in Esports or Sports is a strong plus and will help you better understand our context and users

Nice to have

Fullstack experience

Knowledge of React

• Tech stack summary
• BackEnd: .NET Core, C#
• Data access: Entity Framework Core

Databases: MySQL, MongoDB

Cloud: AWS

Bonus: React (if fullstack)

Additional Information

What do we offer benefits wise?

Meal tickets with value of 30 ron/day

Access to private medical system and special subscription rates for family members

On site medical support

World Class subscription

Comprehensive wellbeing program (including physical fitness, mental health, financial education and internal communities)

Life insurance

Ubisoft bikes, free rental

Parking spaces for cars, bikes, motorbikes

Video games and consoles to borrow

Access to Ubisoft games via own Uplay account

Bookster (borrow books for free, delivered at home or in the office)

Free fruits and coffee in the office

Studio offered free days, confirmed on an annual basis for different events

Study leave

Christmas/ Easter celebration with a special gift

Partners’ discounts