About the role

Role Overview

Join Haystack as a Senior Mobile Engineer to design, build, and maintain cross-platform mobile applications for iOS and Android.

Responsibilities

Design, develop, and maintain cross-platform mobile applications
Create intuitive, accessible, high-quality mobile user experiences for iOS and Android
Integrate mobile apps with backend APIs, authentication services, and push notifications
Manage the mobile release lifecycle: testing, deployment, and app store submissions
Implement secure local storage, offline capabilities, and reliable application performance
Collaborate with product, design, QA, and engineering teams throughout the development lifecycle

Requirements

Bachelor’s degree in Computer Science/Engineering or equivalent experience
8+ years professional mobile application development experience
3+ years hands-on experience with Flutter and Dart delivering production applications
Experience publishing and maintaining apps in the Apple App Store and Google Play Store
Experience with mobile CI/CD pipelines and automated testing
Strong understanding of mobile architecture, state management, and scalable application design patterns

Nice to Have

None explicitly stated (focus areas include offline, secure storage, and scalable patterns).

About Haystack

Haystack is a technology staffing firm that connects highly skilled professionals with innovative companies. It focuses on matching talent to roles in the tech industry, including engineering positions.