Full-Stack Mobile Engineer (React Native

First Soft Solutions (Monmouth Junction NJ, USA) Follow 5 hours ago

Job Title: Full-Stack Mobile Engineer (React Native | .NET 6/8 Developer)

Location: Remote (Onshore USA)
Employment Type: Contract
Experience Required: 4+ Years
Positions: 1

Position Overview

We are seeking a talented Full-Stack Mobile Engineer with expertise in React Native and Microsoft .NET 6/8 to develop and deliver modern, high-performance mobile applications backed by scalable RESTful APIs. The ideal candidate will be comfortable owning features from concept to production, working across mobile UI development, backend API design, authentication, data access, cloud deployment, and ongoing application support.

This role requires a strong understanding of mobile application architecture, backend engineering, cloud-native development, and Agile delivery practices. You will collaborate closely with product owners, UX/UI designers, architects, and engineering teams to build secure, reliable, and user-friendly enterprise mobile solutions.

Key Responsibilities
Mobile Application Development

Design, develop, and maintain cross-platform mobile applications using React Native.
Build intuitive, responsive, and high-performing mobile user interfaces for iOS and Android platforms.
Implement navigation, state management, offline capabilities, and secure mobile storage.
Optimize mobile application performance through profiling, debugging, and continuous tuning.
Integrate mobile applications with enterprise backend services and APIs.

Backend Development

Develop secure and scalable backend services using Microsoft .NET 6/8 and ASP.NET Core Web API.
Design, build, and maintain RESTful APIs supporting mobile applications.
Implement authentication, authorization, and role-based security using OAuth2 and JWT.
Develop reusable business logic, background services, and microservices where applicable.
Collaborate with architects to design scalable service-oriented solutions.

Database & Integration

Design and develop data access layers using Entity Framework Core, Dapper, or similar technologies.
Work with SQL Server and PostgreSQL databases to ensure optimal performance and data integrity.
Develop efficient database queries, stored procedures, and data models.
Integrate enterprise systems and third-party APIs as required.

Cloud & DevOps

Deploy and support applications in Microsoft Azure or AWS cloud environments.
Participate in CI/CD pipeline implementation and automated deployment processes.
Utilize Docker containers and cloud-native deployment practices where applicable.
Monitor application health, logging, and performance using enterprise monitoring tools.

Quality & Collaboration

Develop unit tests, integration tests, and automated API validation.
Participate in code reviews and maintain high standards of code quality.
Document APIs, technical designs, and development standards.
Collaborate with Product Owners, UX/UI designers, QA engineers, and DevOps teams throughout the development lifecycle.
Troubleshoot production issues and implement performance improvements.

Required Qualifications

Minimum 4+ years of professional software development experience.
Strong hands-on experience with React Native mobile application development.
Extensive experience with Microsoft .NET 6/8 and ASP.NET Core Web API.
Strong knowledge of JavaScript, TypeScript, and modern mobile application architecture.
Experience designing and integrating RESTful APIs.
Experience implementing OAuth2, JWT authentication, and role-based authorization.
Strong understanding of SQL Server or PostgreSQL databases.
Experience using Entity Framework Core or Dapper.
Familiarity with Azure or AWS cloud platforms.
Experience with Git, CI/CD pipelines, and Agile development methodologies.
Strong debugging, performance tuning, and problem-solving skills.
Excellent communication and collaboration skills.