Contract Mobile Application Developer (Flutter/Dart, Angular, ASP.NET Core) - Remote

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AI Summary

Seeking a contract Mobile Application Developer to design, build, and maintain secure, high-performance mobile apps and web services for a Federal client. Utilize Flutter/Dart for cross-platform mobile, Angular for web UI, and ASP.NET Core Web API for backend services. Requires CompTIA Security+ certification and ability to obtain a secret clearance.

Key Highlights
100% remote work with a great work culture and work-life balance.
Develop cross-platform mobile apps using Flutter/Dart with robust state management and offline sync.
Build responsive Angular web components and integrate with REST APIs.
Implement secure ASP.NET Core Web APIs with Dependency Injection and Entity Framework Core.
Apply secure coding practices (Security+ principles, OWASP) and implement authentication/authorization.
Automate builds, testing, and deployments (CI/CD) and monitor performance.
Collaborate with cross-functional teams in an Agile environment.
Create technical documentation and contribute to engineering standards.
Technical Skills Required
Flutter Dart Angular TypeScript ASP.NET Core Web API Dependency Injection Entity Framework Core RESTful APIs JSON HTTP Git SQL Server SQL Server Management Studio (SSMS)
Benefits & Perks
100% remote work
Great work culture
Work-life balance
Work with a talented and high-performing team

Job Description


  • 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.


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