Mobile Application Developer Opportunity

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Mobile Application Developer in United State

Remote 3 days ago

  • 100% remote work!
  • Great work culture
  • Work life balance
  • Work with talented and high performing team!



We’re seeking a contract Mobile Application Developer to design, build, and maintain secure, high-performance mobile apps and related web services for a Federal client. You’ll use Flutter/Dart for cross-platform mobile, Angular for web UI, and ASP.NET Core Web API with Dependency Injection and Entity Framework Core for backend services.



Key Responsibilities

  • Build and ship cross-platform Flutter/Dart mobile applications with robust state management, offline sync, and accessibility best practices.
  • Develop modular, responsive Angular components and pages; integrate with design systems and REST APIs.
  • Design and implement ASP.NET Core Web APIs using DI and Entity Framework Core; write maintainable data models, migrations, and queries.
  • Apply secure coding practices aligned to Security+ principles and OWASP guidance; implement authentication/authorization and input validation.
  • Automate builds, testing, and deployments (CI/CD); monitor performance and reliability; troubleshoot across the stack.
  • Collaborate with product, UX, security, and DevOps; participate in Agile ceremonies, code reviews, and release planning.
  • Create clear technical documentation and contribute to engineering standards.



Must-Have Qualifications

  • Flutter with Dart
  • Angular (TypeScript) for front-end development.
  • .NET (ASP.NET Core Web API) with Dependency Injection and Entity Framework Core.
  • CompTIA Security+ (CE) certification or ability to obtain within 30 days of hire, and eligibility to obtain/maintain a secret clearance. This role requires the ability to obtain and maintain a U.S. government security clearance (which typically requires U.S. citizenship)
  • Experience designing and consuming RESTful APIs; JSON/HTTP fundamentals.
  • Proficiency with Git-based workflows, code reviews, unit/integration testing, and Agile delivery.
  • Strong communication and collaboration skills.



Nice-to-Have (Preferred)

  • Microsoft SQL Server experience and proficiency with SQL Server Management Studio (SSMS) for administration, profiling, and query tuning.
  • Experience with application telemetry/monitoring, performance optimization, and incident response.


Apply now

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