Senior Mobile Developer (React Native)

About the Project Sidekick is a Canadian DTC brand selling physical therapy and rehab products. We're hiring a senior React Native developer to own our customer companion app (iOS + Android) — a simple instructional UX that walks customers through how to use our products. This is a long-term, full-time contractor role on a fixed monthly retainer. Main Tasks Take ownership of the entire React Native application development lifecycle, from concept to deployment and maintenance. Architect, design, and implement efficient and scalable React Native application. Write clean, maintainable, and well-documented code. Own end-to-end QA on everything you ship, including the surrounding flows your changes touch Monitor Sentry, triage and fix production crashes to keep the app stable Own App Store and Play Store releases end-to-end (builds, submissions, certificates, handling rejections) Take ownership of the backendless solution based on Supabase. Work on the estimations and timesheets. Must Haves 7+ years experience, senior-level React Native (iOS and Android, TypeScript). Proven track record shipping and maintaining live apps on both stores (links required) Supabase experience (auth, Postgres, RLS). Experience with payment frameworks and SDKs, like Google/Apply Pay, Stripe, etc. Strong communication and collaboration abilities. Available in the Eastern time zone. Experience applying the best practices in keeping code well tested. Nice To Haves Knowledge of native mobile development (Android/iOS) is a plus. Ability to work independently and effectively in a fast-paced environment. Competitive Salary: $72k - $84k annually Remote-Friendly: Work from anywhere, as long as the time zones overlap with North-American working hours Professional Growth: Take on broad responsibilities with opportunities to grow quickly Impactful Work: Your code will directly shape products used by athletes and everyday people recovering from injuries Tight-Knit Team: Join a small, collaborative group where your input has a big impact To apply, please fill in our application form here: https://sidekicktool.typeform.com/to/I78R3pXI Only candidates who have filled out the form will be considered.