Mobile App Developer – Cross-Platform Junior

Canada
Remote
Posted Sep 25, 2026
1 position

Opens LinkedIn

Employment type: Contract
Experience level: Entry, Junior · 0+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Entry level

Job summary

Develop and maintain cross-platform mobile applications using React Native or Flutter while collaborating with stakeholders on user flows. Integrate backend APIs and conduct thorough testing to ensure high-quality, stable releases on iOS and Android platforms.

Job details

Join an exciting project as a junior mobile app developer, where you will be responsible for building and maintaining a cross-platform mobile application for both iOS and Android. Working from detailed product specifications and user flows, you will collaborate closely with stakeholders to deliver a robust, user-friendly app. You will have access to comprehensive designs and required APIs, and your input on the choice between React Native and Flutter will be valued. This role is ideal for someone eager to gain hands-on experience in mobile development and contribute to a product from inception to release. Responsibilities Develop a cross-platform mobile application using either React Native or Flutter, based on project requirements. Collaborate with stakeholders to understand user flows and implement features according to provided designs and specifications. Integrate APIs and ensure seamless data flow between the app and backend services. Conduct thorough testing to identify and resolve bugs, ensuring a stable and high-quality user experience. Prepare builds for release or user testing, following best practices for deployment on iOS and Android platforms. Maintain and update the application as needed, addressing feedback and implementing improvements. Skills And Requirements Proficiency in either React Native or Flutter for cross-platform mobile development. Familiarity with mobile app development lifecycle, including deployment to App Store and Google Play. Basic understanding of RESTful APIs and experience integrating third-party services. Ability to interpret and implement UI/UX designs and user flows. Strong problem-solving skills and attention to detail. Effective communication skills and ability to work collaboratively in a remote environment. Availability to work on a contract basis with flexibility for updates and maintenance post-launch. Junior-level experience; recent graduates or those with relevant coursework or internships are encouraged to apply. About Twine Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally. Our Mission Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

What you’ll do

Requirements

Candidates should have junior-level experience with React Native or Flutter and a solid understanding of the mobile development lifecycle. Proficiency in integrating RESTful APIs and the ability to implement UI/UX designs are essential for this role.