Riot engineers bring deep knowledge of specific technical areas but also value the opportunity to work across a wide range of domains. As a Senior Software Engineer, you'll dive into cross-functional projects that contribute to team cohesion & advance broader product goals. You'll lead by example, providing other engineers with a strong model of technical excellence, thoughtful collaboration, & continuous improvement.

Revenue Protection ingests payment data from multiple global partners, reconciles every transaction end-to-end, & emits real-time fraud signals that safeguard player trust & Riots bottom line. We lean on CloverDX for ETL & Java/Kotlin microservices for business logic, & were expanding into Kafka streaming & machine-learning-driven trust-list & velocity-check models. Your architecture & coding skills will be central to making those capabilities real & multiplying our fraud-prevention impact.  You will report to the team Software Engineering Manager.

Responsibilities:

• Design & evolve CloverDX pipelines that ingest, transform & validate high-volume payment data.
• Build Java/Kotlin microservices (Spring Boot, REST/async messaging) that power real-time reconciliation & fraud decisions.
• Help bring ML-driven fraud-detection models to production
• Automate deployment & observabilityCI/CD for Clover graphs, Docker/K8s releases, Datadog alerts, runbooks & SLOs.
• Champion operational excellence: on-call rotation, incident triage, cert rotation, IAM/ACL hygiene for PCI-scope systems.
• Mentor teammates & unblock analysts in SQL, Python & CloverDX best practices

Required Qualifications: 

• 5+ years of professional software-engineering experience 
• Proficiency in Java or Kotlin & designing distributed, fault-tolerant services.
• Hands-on expertise with ETL/ELT platformsCloverDX strongly preferred.
• Strong SQL & data-modelling skills for financial reporting.
• Demonstrated ownership of live services: SLOs, on-call, RCAs.

Desired Qualifications:

• Experience working on data- or finance-critical systems.
• Experience building or integrating machine-learning models for classification, risk scoring or anomaly detection.
• Bachelors degree in Computer Science or related field.
• Working knowledge of payment-processing flows (auth, capture, chargeback) & fraud-risk concepts (velocity checks, trusted-buyer lists).
• Expertise with Kafka or other streaming platforms.
• Familiarity with observability stacks (Datadog, Prometheus).
• Python scripting for data-quality checks, CI test harnesses & ops automation (e.g., self-healing ETL).

For this role, you'll find success through craft expertise, a collaborative spirit, & decision-making that prioritizes your fellow Rioters, who are the customers of your work. Being a dedicated fan of games is not necessary for this position!

Our Perks:

Riot focuses on work/life balance, shown by our open paid time off policy & other perks such as flexible work schedules. We offer medical, dental, & life insurance, parental leave for you, your spouse/domestic partner, & children, & a 401k with company match. Check out our benefits pages for more information.

At Riot Games, we put players first. That mission drives every decision in our quest to create games & experiences that make it better to be a player. Whether youre working directly on a new player-facing experience or youre supporting the company as a whole, everyone at Riot is part of our mission. And just like in our games, were 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, were looking forward to your application.

Its our policy to provide equal employment opportunity for all applicants & members of Riot Games Riot Games makes reasonable accommodations for handicapped & disabled Rioters & 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 & state law. We consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with applicable federal, state & 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, & 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 & sensitive Company data
• Communication with others, including Rioters & third parties such as vendors, and/or players, including minors
• Accessing Company assets, secure digital systems, & networks
• Ensuring a safe interactive environment for players & other Rioters

These duties are directly related to essential operations, safety, trust, & compliance obligations within our organization. Please note that job duties may evolve based on business needs & additional responsibilities may be assigned as necessary to maintain operational efficiency & security.