Senior Software Engineer, Mobile Platform (React Native)

frontcareers; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Front is seeking an experienced Software Engineer to advance the foundations of our React Native based mobile app, ensuring great performance on Android and iOS. In this role, you will be the go-to specialist for everything React Native on the Client Platform team, collaborating with Electron and web counterparts to improve performance and enable cross-platform shipping.

You will lead and mentor other engineers while shaping the user experience and balancing pragmatic engineering trade-offs in a

Qualifications

• Experience building fast, reliable real-time mobile apps.
• Strong React Native expertise and cross-platform mindset.
• Product-minded with focus on user experience.
• Thrives in fast-paced, collaborative environments.
• Pragmatic problem-solver balancing engineering trade-offs.

Responsibilities

• Build and maintain Front’s cross-platform client-side codebase.
• Improve performance of the React Native mobile app on iOS and Android.
• Dive to native layers and expose platform APIs.
• Serve as a subject matter expert for Android and/or iOS ecosystems.
• Provide leadership and mentorship to engineers.

Skills

React Native

Real-time mobile apps

Cross-functional collaboration

Tools

C/C++

JNI

Android NDK

Kotlin

TypeScript

Job description

Front is the customer operations platform built for B2B complexity, keeping every team, tool, and customer conversation in sync so companies can scale without losing connection. Others handle simple interactions. Front handles the coordination and context behind complex B2B customer relationships. Over 9,000 companies, including Uber Freight, Navan, and Stripe, rely on Front because it's the only one that can run the operational layer that makes customer‑facing work actually succeed.

Backed by Sequoia Capital and Salesforce Ventures, Front has raised $204M from leading venture capital firms and independent investors including top executives at Atlassian, Okta, Qualtrics, Zoom, and PagerDuty. Front has received numerous Great Place to Work accolades, including Built In's 100 Best Midsize Places to Work in SF 2025, Top Places to Work by USA Today 2025, Y Con​ynator's list of Top Companies in 2023, #4 on Fortune’s Best Workplaces in the Bay Area™, Inc. Magazine's 2022 Best Workplaces list, and Forbes Best Startup Employers 2022 List.

We are looking for an experienced Software Engineer to work on the foundations of our React Native‑based mobile app and make Front run great on Android and iOS. In this role, you will be the go‑to specialist for everything React Native‑related on the Client Platform team, and you will work with your Electron and web counterparts to improve the app’s performance and enable feature teams at Front to ship cross‑platform.

What will you be doing?

• Build and maintain Front’s cross‑platform client‑side codebase

• Improve the user experience of our React Native mobile app

• Dive down to the native level to improve performance and expose native Android and/or iOS APIs

• Serve as a cross‑functional and cross‑team subject matter expert on the Android and/or iOS ecosystem

• Provide leadership and mentorship to other engineers on the team

What skills and experience do you need?

• Experience building and maintaining fast, reliable, real‑time mobile applications

• Experience with C/C++ and React Native

• Product minded: committed to building the best user experience

• Ability to thrive in a dynamic, fast‑paced, collaborative, and high‑growth environment

• Understand the trade‑offs in employing different engineering solutions to a problem, valuing pragmatism over idealism

Bonus:

• Experience with JNI, Android NDK, and Kotlin

• Experience with TypeScript

Front provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age or disability. By applying, you acknowledge and agree that you have read and understand the California Recruiting Privacy Notice & EU Privacy Notice