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.
Requirements
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.
Benefits
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.

📌 Senior Mobile Developer (React Native) (Ciudad de México)
🏢 Sidekick
📍 Ciudad de México