Software Engineer, Sportsbook Platform

PENN Interactive is hiring a Software Engineer for the Sportsbook Platform team, which builds and operates the backend marketplace powering theScore Bet Sportsbook. The role focuses on developing and scaling APIs and services, improving production reliability and performance, delivering features, and mentoring engineers.

Responsibilities:

• Develop, scale, and optimize the GraphQL APIs, gRPC endpoints, and SQL queries that power the marketplace
• Own technical problems of the highest scope and complexity, drafting proposals and presenting them to leadership and partner teams for feedback
• Design, architect, and deliver new features end-to-end in a collaborative agile/scrum environment
• Identify bottlenecks and areas of risk in production, and drive the changes that make the platform more scalable
• Take on the Sportsbook Platform Support rotation, which owns release management and deployment management during its window
• Set up and refine monitoring and alerting in DataDog for the systems you own
• Mentor engineers on the team and across teams that ship into our codebase, through specs, pairing, and code review
• Other duties as required

Requirements:

• You possess a minimum of 3 years of experience in Software engineering
• A solid foundation in computer science, with strong competencies in data structures, distributed systems, algorithms, and software design
• Strong grasp of production systems at scale, and experience identifying areas of improvement in a production environment through load testing and tracing
• Experience investigating and remediating production performance regressions, including CPU hotspots and latency regressions in high-throughput services
• Experience with on-call rotations for a production service, including owning release cycles end-to-end
• Passionate about clean code architecture and software craftsmanship
• Excellent written and verbal communication skills, with a track record of authoring tech specs, runbooks, and cross-team design docs that stand up to scrutiny
• Experience with modern web frameworks and API development (Phoenix, Ruby on Rails, Fast API, Laravel, Node)
• Experience designing and evolving GraphQL schemas for product surfaces used by multiple clients (iOS, Android, Web)
• Experience building and integrating multi-client / white-label platforms, including geo-based routing and per-client configuration
• A strong grasp of relational databases, including PostgreSQL and MySQL
• Experience with Kubernetes and comfort operating services in a containerized environment
• Comfortable working in the terminal, with Git and GitHub or similar, and in an editor of your choice
• Experience with testing frameworks such as ExUnit, RSpec, Jest, pytest, or equivalent
• Experience with background job processing (Oban, Exq, Sidekiq, Celery, Beanstalk)
• Experience with asynchronous event handling infrastructure (Apache Kafka, RabbitMQ, AWS SQS/SNS, Google Cloud Pub/Sub)
• building GraphQL APIs with Absinthe
• hexagonal architecture
• Domain Driven Development
• contribution to open source software
• experience working at startups
• passion for sports and/or esports