Senior Full Stack Engineer, Client Platform

🕒 Agosto 5

🇺🇸 Estados Unidos – Remoto (EUA)

💵 $135.000 - $180.000 / ano

⏰ Tempo Integral

🟠 Sênior

🧑‍💻 Engenheiro Full-stack

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Penn Interactive

SiteLinkedInTodas as Vagas

201 - 500 funcionários

🎲 Jogos de Azar

🎮 Jogos

🛍️ Comércio Eletrônico

Gambling • Gaming • eCommerce

Penn Interactive (PI) é uma empresa de jogos interativos com sede na Filadélfia e escritórios em Greenfield, MA, e Cherry Hill, NJ. Como o braço digital da PENN Entertainment (NASDAQ: PENN), principal fornecedora de entretenimento integrado, conteúdo esportivo e experiências de jogos de cassino da América do Norte, estamos prontos para um rápido crescimento no espaço de apostas esportivas e cassinos online. Fizemos uma parceria com Barstool Sports e theScore para criar uma experiência de apostas esportivas única e empolgante através dos nossos estabelecimentos físicos e dos aplicativos móveis do Sportsbook.

Descrição

• 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 teams to architect and ship customer-facing features • Use observability tooling to diagnose issues and improve guest experiences • Set up and refine Datadog monitoring and alerting • Identify technical debt, propose fixes, and uphold code quality standards • Find production bottlenecks and risks and drive platform scalability improvements • Mentor teammates through code review, pairing, and documentation • Participate in design, architecture, and delivery of features in an 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

🎯 Requisitos

• 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 multi-client product surfaces • Fluency with HTML, CSS, and browser environments, including DOM, events, and platform APIs • Strong foundation in computer science, including 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, including CPU hotspots and latency in high-throughput services • Experience with on-call rotations for production services and owning release cycles end to end • Clear technical writing, including tech specs, 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-based development, 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, or sports/esports passion

🏖️ Benefícios

• Competitive compensation package • Fun, relaxed work environment • Education and conference reimbursements • Opportunities for career progression and mentoring others • Competitive base pay • Bonus eligibility for most non-sales positions • Best-in-class benefits for eligible employees • Personalized support options, expert guidance, and always-on tools supporting physical, financial, and emotional well-being