Software Engineer -- Front End/Mobile

Rule42 is an AI-enabled sports technology company that helps amateur athletes get discovered and supports teams in evaluating talent. The mid-level Software Engineer builds and ships web and iOS/Android products, shared front-end components, and integrations with backend APIs and AI capabilities.

Responsibilities:

• Build apps using React Native with Expo and ship via iOS and Android
• Build desktop web apps using React via NextJS and that ship for the browser
• Implement designs from Figma via our design and brand team
• Write and maintain shared components using Tailwind and Storybook
• Shape API contracts with our Platform team and integrate BFF APIs to client side
• Use AI-assisted development tools, including Claude Code, to improve engineering velocity and quality
• Work with product owners to estimate effort for work items and to refine acceptance criteria
• Ship code with continuous integration and release best practices
• Partner with our platform and AI engineers to integrate LLM and RAG-based capabilities into our products
• Contribute to backend APIs and supporting services as needed
• Participate in a rotating on-call schedule for production support

Requirements:

• 4+ years of experience in software engineering roles
• 3+ years of experience with mobile application lifecycles
• 2+ years of experience with NodeJS
• 2+ years of experience with React Native or similar framework
• 2+ years of experience with React, NextJS or similar framework
• 1+ year of experience building or supporting backend systems
• Strong knowledge of Typescript, JavaScript, HTML and CSS
• Strong communication skills with the ability to collaborate across executive, business, product, and engineering teams
• Strong testing habits with unit tests, usage of playwright and other automation frameworks
• Experience managing incidents for production systems
• You are a strong team player passionate about baseball or softball or sports in general!
• You are a self-starter and take initiative to deliver projects
• You have a keen eye for detail and making front-end systems come to life
• You know how to prioritize your time and work in a fast-paced team dynamic
• Experience in sports technology, sports analytics, media, SaaS, or data-driven businesses
• Experience with cloud-based platforms and modern web stack technologies
• Experience partnering with software engineering, machine learning, and AI teams to deliver data products
• Understanding of REST APIs, OIDC, OAuth and JWTs
• Experience in Google Cloud Platform or AWS