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ButterflyMX logo
ButterflyMX

Video intercoms, access control systems, and security cameras loved by 20,000 multifamily, gated, commercial properties.

Senior Software Engineer – Mobile Fullstack

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 201-500Since 2014H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

44 days ago

Salary

0

Seniority

Senior

Job Description

Senior Software Engineer – Mobile Fullstack

ButterflyMX

• Partner with Product, Design, and other Engineering teams to help design, build, and evolve the APIs, services, and mobile applications that power our products • Architect and build high-performance, cross-platform mobile applications for iOS and Android using React Native, delivering a native-quality user experience from a shared codebase • Lead large-scale projects from ideation to launch with a customer-first mindset, spanning both mobile and backend layers • Design, build, and maintain efficient, reusable, reliable, and testable code across the full stack • Integrate with native device capabilities (push notifications, Bluetooth/NFC for access control, camera, GPS) using native modules and bridging where necessary • Identify bottlenecks and bugs across mobile and backend systems, devise solutions and propose optimizations for performance, reliability, and user experience • Work comfortably across front-end, mobile, and back-end layers of the architecture • Implement patterns and systems allowing for independently deployable full-stack services at a level of granularity appropriate for team composition and business value • Own the mobile build and release pipeline, including App Store and Google Play submission processes, code signing, and over-the-air update strategies • Help maintain code quality, organization, and automatization • Write new and improve current documentation • Lead by example for other members of the team as a dedicated, passionate, and flexible technologist who is constantly striving to improve code quality, design, and system architecture • Help define, document, evolve, and evangelize high engineering standards and best practices across mobile and backend development

Job Requirements

  • 5+ years of professional development experience
  • 4+ years of professional development experience in TypeScript, JavaScript
  • 2+ years of hands-on experience building and shipping production React Native applications on both iOS and Android
  • Strong understanding of React Native internals, navigation patterns (React Navigation), and state management (Redux, Zustand, or similar)
  • Experience with mobile app distribution workflows: App Store Connect, Google Play Console, code signing, TestFlight, and OTA updates (e.g., CodePush or EAS Update)
  • Strong experience with automated CI/CD pipelines, including mobile-specific CI
  • Strong experience working in and advocating for Agile environments
  • Deep understanding of testing and what, when, and how to test, including mobile-specific testing strategies (Jest, Detox, or Appium for E2E)
  • Extensive experience with developing and maintaining APIs, as well as integrating with 3rd party APIs
  • Hands-on experience working in a Distributed/Cloud-based environment (e.g. Amazon EC2/ECS, Lambdas, No-SQL DB, Azure, etc.) within a service-oriented architecture
  • Experience working with relational databases and writing SQL queries
  • Excellent verbal and written communication and collaboration skills to effectively communicate with both business and technical teams
  • Comfortable working in a fast-paced, results-oriented environment
  • Experience with the following: GraphQL, IoT device development
  • Motivated by the desire to learn and collaborate, to own and improve, and to focus on what helps the business succeed
  • Well versed in the disciplines of security, reliability, and scalability
  • Well versed with Agile methodology and who believes in the value of a well written and appropriately defined user story
  • User-focused with a keen sense of how your code will impact the user’s experience in terms of performance, security, and usability — especially on mobile where latency, battery life, and offline resilience directly affect user trust
  • Passionate about frequent value delivery through collaboration with product owners, preferring MVPs and tight build-measure-learn loops to maximize value
  • Someone who truly cares about leading and mentoring engineers
  • Proven experience with leveraging AI tools in both professional and personal settings. ButterflyMX is an AI-forward organization and the ability to optimize efficiency using AI is crucial in every role.

Benefits

  • Comprehensive Medical, Dental and Vision plans (ButterflyMX covers 80% of the cost) starting day 1
  • 401(k) plan with a match
  • 10 paid holidays, 20 vacation days, 5 sick days, 3 floating holidays
  • Basic Life and Accidental Death and Dismemberment Insurance (ButterflyMX covers 100% of the cost)
  • Short and Long Term Disability (ButterflyMX covers 100% of the cost)
  • Paid Family Leave
  • Employee Assistance Program
  • Quarterly self-care stipends
  • Access to optional benefits including pre-tax flexible healthcare spending accounts (FSA and HSA), Dependent Care FSA, and Commuter Benefits, as well as optional Supplemental Life, AD&D, Hospital Indemnity, Legal, Accident, Critical Illness, Pet, and Personal Liability Insurance
  • And more!

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