Senior React Native Engineer – Betting Platform (Remote)

Underdog; United States; Remote; USD 150,000 - 220,000; Full time

Benefits offered by this job

Unlimited PTO

Parental leave

Home office stipend

Virtual-first culture

Job summary

Underdog is seeking a Senior Software Engineer specializing in React Native to build the core betting experience across mobile and web. You will own cross-cutting problems, drive design decisions under production traffic, and help elevate the bar for reliability and performance at scale.

You will mentor engineers, collaborate with backend, product, and design, and ensure a fast, consistent user experience from entry to settlement. 7+ years of experience and strong communication are required.

Qualifications

• 7+ years of professional software engineering experience with React Native.
• Track record solving cross-cutting problems across services and teams.
• Experience leading technical initiatives with measurable impact.
• Turns high-level goals into executable plans with milestones.
• Collaborative mindset and ability to coach other engineers.
• Strong written and verbal communication to align teams.

Responsibilities

• Build and scale core parts of mobile and web apps in React Native across entry, review, placement, and tracking.
• Investigate and resolve critical issues in the React Native client and build guardrails.
• Lead design reviews across iOS, Android, and React Native clients.
• Partner with backend, product, and design on entry placement, confirmation, slips, and bet history.
• Turn ambiguous goals into concrete plans with owners and milestones.
• Use product analytics and error dashboards to validate fixes and catch regressions.
• Coach engineers on design reasoning and create reusable patterns.

Skills

React Native

Cross-functional collaboration

Mentoring

Performance mindset

Communication

Problem solving

Ownership

Tools

React Native

iOS

Android

Ruby

Job description

Underdog is seeking a Senior Software Engineer specializing in React Native to build the core betting experience across mobile and web. You will own cross-cutting problems, drive design decisions under production traffic, and help elevate the bar for reliability and performance at scale.

You will mentor engineers, collaborate with backend, product, and design, and ensure a fast, consistent user experience from entry to settlement. 7+ years of experience and strong communication are required.