Staff Platform Engineer defining cloud and DevSecOps strategy for Robots & Pencils’ enterprise AI systems. Leading Kubernetes, AI/ML infrastructure, migrations, reliability, security, and platform standards remotely in Canada.
About the role
- Senior Full Stack Engineer building GraphQL, React, and TypeScript platforms for PENN Entertainment’s online gaming and sports media products. Improving shared client tooling, server-driven UI, performance, observability, and release workflows.
Responsibilities
- Design and evolve GraphQL schemas in a federated graph, including server-driven UI contracts for mobile and web clients
- Classify breaking schema changes, coordinate migrations with iOS, Android, and web leads, and keep generated client models synchronized
- Develop, scale, and optimize GraphQL APIs, RPC endpoints, and SQL queries
- Build front-end applications and shared libraries with React and TypeScript
- Build fast, accessible web applications
- Partner with product and design to architect and ship customer-facing features
- Use observability tooling to diagnose issues and improve guest experiences
- Set up and refine monitoring and alerting in DataDog
- Improve code quality by identifying technical debt and proposing fixes
- Find production bottlenecks and risks and drive platform-scaling improvements
- Mentor teammates through code review, pairing, and documentation
- Participate in design, architecture, and feature delivery within a collaborative agile team
- Write thorough tests for features and bug fixes
- Work with QA to strengthen automated testing pipelines and CI/CD workflows
- Use Claude Code in daily development
- Perform other duties as required
Requirements
- At least 5 years of experience in software engineering
- Strong JavaScript, TypeScript, and React skills, plus UX instincts
- 2+ years designing and evolving GraphQL schemas for product surfaces used by iOS, Android, and web clients
- Fluency with HTML, CSS, and browser technologies including DOM, events, and platform APIs
- Solid computer science foundation covering data structures, distributed systems, algorithms, and software design
- Understanding of production systems at scale, including load testing and tracing
- Experience investigating and fixing production performance regressions, CPU hotspots, and latency in high-throughput services
- Experience with on-call rotation for a production service and end-to-end release ownership
- Experience authoring technical specifications, runbooks, and cross-team design documents
- Experience with API development in Node, Bun, Phoenix, Ruby on Rails, FastAPI, or Laravel
- Experience building and integrating multi-client or white-label platforms, including geo-based routing and per-brand configuration
- Experience with Kubernetes and containerized services
- Comfort with terminal tools, Git, and GitHub or similar
- Experience with testing frameworks such as Jest, Vitest, ExUnit, RSpec, or pytest
- Nice to have: Apollo Federation at scale, Absinthe, iOS or Android development with Swift or Kotlin, hexagonal architecture, domain-driven design, relational databases, background job processing, asynchronous event infrastructure, open-source contributions, startup experience, and sports or esports passion
Benefits
- Competitive compensation package
- Fun, relaxed work environment
- Education and conference reimbursements
- Opportunities for career progression and mentoring others
- Bonus eligibility for most non-sales positions
- Best-in-class benefits with options and support personalized to employees’ physical, financial, and emotional needs
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