Principal Software Engineer, Test Automation - League of Legends

Riot engineers bring deep knowledge of specific technical areas but also value

the opportunity to work in a variety of broader domains. As a Software Engineer,

you’ll work with both new and current technology, creating innovative solutions

to overcome high-volume obstacles and to deliver player value.

As a Principal Software Engineer on the League of Legends Quality Team, you will

define and drive the technical vision for our core automation frameworks,

ensuring the highest standards of quality across the League of Legends

ecosystem. Your work will empower engineers across multiple initiatives—ranging

from gameplay mechanics to skin development—by providing reliable, scalable

frameworks that support efficient and robust testing practices.

In this role, you'll report directly to the Engineering Manager and play a key

leadership role in cross-team collaboration. You’ll work closely with engineers

and QA across Riot to align on quality frameworks and workflows, elevate the

developer experience, and improve the overall quality of our products.

We primarily use C++ for game and tooling logic, and Python to drive our test

automation and validation systems.

RESPONSIBILITIES:

* Collaboration with diverse teams to ensure features accomplish expectations

from multiple dimensions (code quality, extensibility, modularity,

scalability, security, operational concerns, and industry standards/trends)

* Work and align with different partners that span across multiple teams to

ensure we're delivering awesome features to excite them

* Setting the tone for, contributing to, and defining technical

discussions/designs that your team is accountable for

* Mentorship. You help Rioters develop the tools and creative atmosphere to

shine, but ultimately hold them accountable for making smart calls and

delivering player value

* Participate in the team's support rotation

REQUIRED QUALIFICATIONS:

* 8+ years of deep hands-on experiences with compiled programming languages

(C/C++, Java, Go, or C#)

* 3+ years building and maintaining automated tests for games, web, mobile,

backend services, or desktop applications (scope depending on role level).

* Experience with C/C++ that spans various use-cases and platforms.

* Have been responsible for driving value through leading the development of

organization-sized efforts (1-year+ scope), including requirements gathering,

planning, testing, and release or deployment

* Championed software development best practices within your organization that

includes design/code reviews, coding standards, source control management,

testing, delivery performance, scalability, and maintainability

* You have a strong history of mentoring others in both soft and hard skills

DESIRED QUALIFICATIONS

* Leveraged machine learning, AI, and/or functional testing techniques to

enhance automated testing workflows, enabling smarter test case

prioritization, anomaly detection, and adaptive regression coverage across

complex game systems.

* 2+ years experience utilizing computer vision in support of automation tests

For this role, you'll find success through craft expertise, a collaborative

spirit, and decision-making that prioritizes the delight of players. We will be

looking at your past studies, experience, and your personal relationship with

games. If you embody player empathy and care about players' experiences, this

could be your role!

OUR PERKS:

Riot focuses on work/life balance, shown by our open paid time off policy and

other perks such as flexible work schedules. We offer medical, dental, and life

insurance, parental leave for you, your spouse/domestic partner, and children,

and a 401k with company match. Check out our benefits pages

[https://www.riotgames.com/en/work-with-us/overview] for more information.

At Riot Games, we put players first

[https://www.riotgames.com/en/who-we-are/values]. That mission drives every

decision in our quest to create games and experiences that make it better to be

a player. Whether you’re working directly on a new player-facing experience or

you’re supporting the company as a whole, everyone at Riot is part of our

mission. And just like in our games, we’re better when we work together. Our

goal is to create collaborative teams where you are empowered to bring your

unique perspective everyday. If that sounds like the kind of place you want to

work, we’re looking forward to your application.

It’s our policy to provide equal employment opportunity for all applicants and

members of Riot Games, Inc. Riot Games makes reasonable accommodations for

handicapped and disabled Rioters and does not unlawfully discriminate on the

basis of race, color, religion, sex, sexual orientation, gender identity or

expression, national origin, age, handicap, veteran status, marital status,

criminal history, or any other category protected by applicable federal and

state law. We consider for employment all qualified applicants, including those

with criminal histories, in a manner consistent with applicable federal, state

and local law, including the California Fair Chance Act, the City of Los Angeles

Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance

Ordinance for Employers, the San Francisco Fair Chance Ordinance, and the

Washington Fair Chance Act.

Per the Los Angeles County Fair Chance Ordinance, the following core duties may

create a basis for disqualifying candidates with relevant criminal histories:

* Safeguarding confidential and sensitive Company data

* Communication with others, including Rioters and third parties such as

vendors, and/or players, including minors

* Accessing Company assets, secure digital systems, and networks

* Ensuring a safe interactive environment for players and other Rioters

These duties are directly related to essential operations, safety, trust, and

compliance obligations within our organization. Please note that job duties may

evolve based on business needs and additional responsibilities may be assigned

as necessary to maintain operational efficiency and security.