Location: New York, NY Job Code: 301320 Posted: Nov 10, 2025 Description: Mastech Digital provides digital and mainstream technology staff as well as Digital Transformation Services for all American Corporations. We are currently seeking a Mobile Developer for our client in the Professional Services/ Consulting domain. We value our professionals, providing comprehensive benefits and the opportunity for growth. This is a Contract position, and the client is looking for someone to start immediately.Duration: 10+ Months ContractLocation: NYC (West Manhattan) - HybridSalary: $65.00-$70.00/HourlyRole: Mobile DeveloperPrimary Skills: Android, React Native, Expo SDK, IOSSecondary Skills: NPM, Xcode, Android Studio and associated CLI tools, JSON data models, REST APIsRole Description: The Mobile Developer must have 5+ years of experience. As a member of the UI/UX team, you will be responsible for developing new features by translating design mockups into a functional user interface. In this role, you will also refactor existing features with a future-proof approach, research the latest practices in the Expo/React Native ecosystem and maintain a development environment with up-to-date tools. Additionally, the Mobile Developer will write and maintain clear documentation and Standard Operating Procedures, prepare and deliver presentations to both technical and non-technical audiences, collaborate with QA teams to test and create comprehensive test cases, enhance codebase resiliency, maximize application security and work with backend developers to design APIs for mobile use.We are looking for an organized and communicative team player who will advocate for the user experience of the mobile software throughout its cooperative development with adjacent teams.Responsibilities:- Build cross-platform mobile applications and application features using the Expo SDK and React Native- Refactor existing application features- Develop extensible components and stored procedures adhering to principles of modular architecture and responsive UI- Write unit tests- Collaborate with designers on UI designs and with backend developers for API integration- Meet with business stakeholders to understand business needs and how they are best translated into full-scale applications and/or application features- Do independent research projects and present to teams- Be an advocate for user experience design and communicate vision to teams- Contribute to design and development language documentation- Identify areas for design and development improvement based on latest and upcoming industry trends- Act with integrity, professionalism, and personal responsibility to uphold the firm's respectful and courteous work environment.Qualifications:- High levels of expertise with Expo SDK and React Native- Proficiency with native build tools and package managers: NPM, Xcode, Android Studio and associated CLI tools- Experience working with JSON data models and mobile integration with REST APIs- Ability to write clear documentation of processes in Markdown- Minimum 5 years of experience developing intuitive, engaging, easy-to-use, visually appealing mobile applications and progressive web applications- Previous experience delivering client-facing applications- Experience working in structured environments following Agile methodologies- Self-directed with excellent verbal, written, presentation and facilitation skillsEducation: Any/Bachelor's degreeExperience: Minimum 5+ years of experienceRelocation: This position will not cover relocation expensesTravel: NoLocal Preferred: YesNote: Must be able to work on a W2 basis (No C2C)Recruiter Name: Smriti SinhaRecruiter Phone: 484 331 3202Benefits:We have various coverages and additional benefits to choose from:- Medical, Dental (Including Ortho) & Vision Insurance (Option to Enroll).- Paid Leaves (Wherever applicable).- Life & Disability Coverage (Upon eligibility).- 401K Option, Education Assistance Program and more.Mastech Digital is an Equal Opportunity Employer - All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.