Staff Software Engineer – FMX

This is a fully remote position, open to applicants in United Kingdom.

📋 Description

• Establish the technical vision for key areas of the Fanatics Markets platform.

• Spearhead the design and implementation of intricate, scalable systems and customer experiences.

• Actively contribute by utilizing React, Next.js, TypeScript, or backend services in Go.

• Address ambiguous engineering challenges and convert them into proposals, delivery plans, and measurable results.

• Take ownership of initiatives from the discovery phase and technical specifications through to implementation, instrumentation, deployment, monitoring, and iteration.

• Collaborate with product, design, platform, and infrastructure teams on customer experience, accessibility, performance, security, reliability, and delivery tradeoffs.

• Define the architecture and integration patterns for frontend applications, backend APIs, and event-driven systems.

• Oversee experimentation capabilities, including feature flags and A/B testing.

• Anticipate scaling limitations, reliability challenges, and technical debt.

• Elevate engineering standards through design reviews, code reviews, testing, observability, and safe deployment practices.

• Mentor engineers and cultivate technical leaders.

• Set standards for AI-assisted development and responsible validation.

• Measure and enhance engineering effectiveness.

• Influence leadership in an early-stage product environment.

• Shape the future of Fanatics Markets, a real-money prediction and trading app for sports, entertainment, political, and other events.

⛳️ Requirements

• Extensive experience in building and operating highly scalable production systems, with proven impact at the Staff level or equivalent scope.

• Technical leadership across teams or significant platform areas.

• Profound expertise in user-facing web applications with JavaScript/TypeScript and React, or backend services using Go, Java, or Python.

• Capability to reason across the entire technology stack.

• Proven history of setting technical direction and executing complex initiatives from vague requirements to measurable production results.

• Strong architectural judgment, with the ability to evaluate tradeoffs and define system boundaries.

• Experience with React architecture, component-driven development, and modern state management through Next.js, TanStack Query, Tailwind, or Zustand; or backend data modeling, distributed systems, and event-driven architecture using Postgres and Kafka/PubSub.

• In-depth knowledge of key features, idioms, and best practices of a primary programming language.

• Solid understanding of performance, reliability, security, responsive design, accessibility, scalability, observability, data integrity, and failure management.

• Experience in defining API contracts and collaborating with product, platform, and infrastructure teams.

• Familiarity with shaping CI/CD pipelines, testing strategies, and safe deployment practices.

• Ability to lead through influence, foster alignment, and articulate technical decisions effectively.

• Proven experience mentoring engineers and enhancing technical decision-making.

• Demonstrated experience utilizing AI tools such as Claude Code, Codex, Cursor, or Copilot to deliver production code.

• Examples of enhancing development workflows with measurable outcomes.

• Team-oriented approach with the capability to balance strategic technical initiatives with hands-on delivery.

• Ability to bring clarity in a high-growth environment.

• Strong cross-functional collaboration skills in large enterprise settings.

• Visa sponsorship is not available.

• Preferred: experience with early-stage or high-growth startups, real-money transaction systems, technical roadmaps, developer tools, AI-assisted engineering practices, open-source contributions, or a BSc in Computer Science or related field.

🏝️ Benefits

• Flexible remote work arrangement.

• Potential home office setup stipend for remote employees.

• In-person onboarding and cultural immersion opportunities for full-time, non-seasonal hires.

• Launching into Better: LIVE multi-day cultural immersion experience.

• In-person interview components may be included depending on the position.

• Visa sponsorship is not available.