Senior Software Engineer - Front End Architecture / React Native

Frontcareers
Buenos Aires, AR
RemoteCareer-pivot friendly

Who this role is best for

Aimed at senior engineers with React Native expertise who thrive in dynamic, high-growth environments and can mentor others.

Best fit for

  • Senior engineers who enjoy diving into native code to optimize performance.
    — “Dive down to the native level to improve performance
  • Candidates with a product mindset focused on user experience.
    — “Product minded: committed to building the best user experience
  • Engineers comfortable with cross-functional leadership and mentorship.
    — “Provide leadership and mentorship to other engineers on the team

Things to consider

  • Requires balancing pragmatism with idealism in engineering solutions.
    — “Understand the trade-offs in employing different engineering solutions
  • Involves working closely with Electron and web counterparts.
    — “Work with your Electron and web counterparts

How to stand out

  • Highlight specific instances where you improved mobile app performance.
    — “Improve the user experience of our React Native mobile app
  • Demonstrate experience with native Android or iOS APIs.
    — “Expose native Android and/or iOS APIs
  • Showcase any cross-platform development achievements in your resume.
    — “Build and maintain Front’s cross-platform client-side codebase
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · TeamLevel · Senior

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • improving user experience of React Native mobile app
  • enhancing app performance
Typical background
experience building and maintaining fast, reliable mobile applications

Skills & requirements

Required

React NativeC/c++Product-mindedCross-platform Development

Preferred

TypeScriptJNIAndroid NDKKotlin

Stack & domain

React NativeC/c++TypeScriptJniAndroid NdkKotlinCommunicationLeadershipCustomer OperationsB2b

About the role

This role involves crafting and optimizing the cross-platform mobile app for Front, focusing on React Native, to ensure seamless user experiences across Android and iOS. Ideal candidates are seasoned engineers who thrive in a collaborative, fast-paced environment and are passionate about building robust, scalable solutions.

Original posting from Frontcareers via Ashby

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 https://builtin.com/awards/san-francisco/2025/best-midsize-places-to-work?utm_campaign=bptw-2025&utm_content=article&utm_medium=website&utm_source=editorial, Top Places to Work by USA Today 2025 https://topworkplaces.com/company/front/, Y Combinator's list of Top Companies in 2023 https://www.ycombinator.com/topcompanies, #4 on Fortune’s Best Workplaces in the Bay Area™ https://www.greatplacetowork.com/best-workplaces/bay-area/2022?category=small-and-medium ,Inc. Magazine's 2022 Best Workplaces list https://www.inc.com/best-workplaces/2022, and Forbes Best Startup Employers 2022 List https://www.forbes.com/lists/americas-best-startup-employers/?sh=661411d52ad7.

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

What we offer

  • Competitive salary in USD

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 https://front.com/legal/california-recruiting-privacy-notice & EU Privacy Notice https://front.com/legal/eu-recruiting-privacy-notice

Source: Frontcareers careers (Ashby)

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