Remote Mobile Engineer III - React Native MVP Builder

Far Coder; Northern (KY); Hybrid; USD 132,000 - 168,000; Full time

Benefits offered by this job

Company-paid holidays

401(k) matching

Health insurance

Food & groceries budget

Job summary

Topstep is seeking a Remote Mobile Engineer III to build our mobile trading platform with React Native, delivering MVP and establishing scalable patterns across trader experiences. You will own mobile end‑to‑end, collaborating with product and design to translate trader needs into engaging mobile experiences.

Join a team focused on production quality, testing, monitoring, and performance optimization, while embedding within cross‑functional squads to drive continuous mobile development and

Qualifications

• 3+ years of professional experience building production mobile applications.
• Deep React Native expertise, including navigation, state management, and performance optimization.
• Strong TypeScript and modern JavaScript foundations with React patterns and hooks.
• Cross‑platform mobile development with iOS and Android, App Store and Play Store releases.
• Experience with GraphQL clients, Apollo or similar, and backend integration.
• Knowledge of PostgreSQL/SQL design, migrations, indexing, and query optimization.
• Experience with crash reporting, analytics, remote config, and production debugging.

Responsibilities

• Contribute to the mobile MVP to establish React Native app from ground up with GraphQL APIs.
• Establish reusable components, hooks, TS patterns, and testing strategies.
• Drive end‑to‑end mobile features from design to store releases with backend integration.
• Collaborate with product and design to translate trader needs into mobile experiences.
• Improve mobile quality and performance through testing, monitoring, crash reporting, and optimization.
• Embed within feature teams post‑MVP to drive ongoing mobile development.
• Promote mobile‑first thinking and establish mobile engineering standards.

Skills

JavaScript

TypeScript

React

GraphQL

PostgreSQL

SQL

Tools

CI/CD

Kotlin

Swift

Java

REST

Design Systems

Job description

Topstep is seeking a Remote Mobile Engineer III to build our mobile trading platform with React Native, delivering MVP and establishing scalable patterns across trader experiences. You will own mobile end‑to‑end, collaborating with product and design to translate trader needs into engaging mobile experiences.

Join a team focused on production quality, testing, monitoring, and performance optimization, while embedding within cross‑functional squads to drive continuous mobile development and