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Salary
≈ $82k – $157k per year (Estimated)
Location
In office (New York)
Seniority
Middle · 3+ years exp

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Oct 18, 2026.

Overview
Company
Impact
Profile match
SquarePeg adds applicant screening, sourcing, fraud detection, and rediscovery to any ATS. Screen unlimited applicants with transparent, glass-box AI.

We are looking for a highly motivated Mobile Developer to help build, design, architect and implement mobile app solutions within an Agile process to meet the business requirements of the organization. The position requires extensive development experience with mobile app development, Xamarin.Forms, and C#. Proficiency in Xamarin. Forms mobile app development and an understanding of the Model-View-ViewModel (MVVM) design pattern. Responsibilities Work with a team of industry experts to design and develop sophisticated software Enhance and maintain our mobile Xarmarin Forms application Enhance and maintain our RESTful API Requirements University degree in Software Engineering, Computer Science, or equivalent Self-motivated with a passion for software development and clean code Excellent interpersonal and written communication skills including experience working directly with customers/end users. Understanding of S.O.L.I.D principals Agile, Scrum development practices, TDD 3+ years C# .NET Framework experience Experience working with REST API’s Use of MVVM architectural pattern for separation of XAML UI with the underlying data. Good knowledge of WPF concepts like Resources, Markup extensions, DataBinding and CommandsProficiency in mobile app development languages and frameworks (e.g., Swift, Kotlin, Java, React Native, Flutter).Experience with mobile app architecture patterns (e.g., MVC, MVVM, MVP).Knowledge of responsive design principles and adaptive layout.Familiarity with mobile app security best practices.nderstanding of version control systems (e.g., Git).Ability to optimize mobile apps for performance and battery efficiency.Experience with third-party libraries, APIs, and SDKs.Strong problem-solving skills and attention to detail.Knowledge of mobile app testing and continuous integration (CI/CD) processes.iOS and Android app development for smartphones and tablets.Familiarity with wearables and IoT (Internet of Things) devices.App distribution through app stores (Apple App Store, Google Play Store).Knowledge of push notifications and in-app messaging.Awareness of mobile app analytics and tracking tools (e.g., Firebase Analytics, Google Analytics).

Experience with cross-platform development tools and frameworks (e.g., Xamarin, Flutter).Ability to write code once and deploy it on multiple platforms.

Emerging Technologies:

  • Interest and experience in emerging technologies like augmented reality (AR) and virtual reality (VR) app development.
  • Familiarity with AI and machine learning integration in mobile apps.

User-Centered Design:

  • Strong understanding of user experience (UX) and user interface (UI) design principles.
  • Collaboration with UX/UI designers to create visually appealing and intuitive mobile apps.

Communication and Collaboration:

  • Effective communication skills to interact with cross-functional teams, including designers, product managers, and QA testers.
  • Collaborative mindset and the ability to work in an Agile or Scrum development environment.

Continuous Learning:

  • Commitment to staying updated on the latest mobile app development trends, tools, and technologies.
  • Willingness to attend conferences, workshops, and training sessions for professional development.

Project Management:

  • Experience with project management tools (e.g., Jira, Trello) for task tracking and project planning.

By including this additional information in the job description, you provide a more comprehensive overview of the qualifications, skills, and expectations for the Mobile Developer role. This helps potential candidates better understand the position and its requirements

  • Mobile App Development:

    • Design and build innovative, user-friendly, and high-performance mobile applications for iOS and/or Android platforms.
    • Collaborate with cross-functional teams to define app requirements and specifications.
    • Ensure the best possible performance, quality, and responsiveness of mobile apps.
  • Coding and Testing:

    • Write clean, maintainable, and efficient code.
    • Conduct thorough testing and debugging of mobile apps to identify and resolve issues.
    • Perform code reviews to maintain code quality and consistency.
  • UI/UX Design:

    • Collaborate with designers to implement attractive and intuitive user interfaces.
    • Optimize user experience to ensure usability and accessibility.
  • Integration:

    • Integrate mobile apps with backend services, APIs, and external data sources.
    • Work with RESTful APIs for data retrieval and synchronization.
  • Documentation:

    • Document code, project specifications, and development processes.
    • Maintain up-to-date project documentation and version control.
  • Platform Research:

    • Stay updated on the latest mobile app development trends, technologies, and best practices.
    • Make recommendations for technology adoption and improvements.
  • Bachelor's degree in Computer Science, Software Engineering, or a related field (Master's degree is a plus).
  • Good to have completed Harvard Business School (HBS)
  • Proven experience in mobile app development for iOS and/or Android platforms.
  • Proficiency in programming languages such as Swift, Kotlin, Java, or React Native.
  • Strong knowledge of mobile app design principles and guidelines.
  • Familiarity with mobile app development tools, SDKs, and IDEs (e.g., Xcode, Android Studio).
  • Experience with mobile app testing, debugging, and performance optimization.
  • Excellent problem-solving and analytical skills.
  • Ability to work independently and as part of a collaborative team.
  • Strong communication and interpersonal skills.

English level B2

Spanish level B1

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