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Senior Mobile Developer (React Native)

14 hours ago19 views
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General Details
Location:
Kensington, Johannesburg
Advertised By:Agency
Company Name:Executive Placements
Job Type:Full-Time
Description
Responsibilities:
  • Build, test, and deploy mobile apps using React Native.
  • Develop web portals using React.js and TypeScript.
  • Support existing functionality and develop new components.
  • Understand product and domain elements. Collaborate with business analysts to refine and implement requirements.
  • Refactor and improve code to maintain adaptability and long-term maintainability.
  • Work effectively both independently and within a team, adhering to software development standards and processes.
  • Evaluate and improve application performance and high availability.
  • Create unit and integrated system tests to ensure developed functionality works as intended.
  • Produce technical documentation explaining system components and usage.
  • Perform root cause analysis on bugs and implement fixes in an integrated system.
  • Deploy applications on servers when required.
  • Execute functional test scenarios (development testing).
  • Analyse and enhance existing code and system functionality according to business needs.
  • Manage mobile app stores, developer accounts, and related services.

Requirements:
  • Grade 12 / Matric with a relevant tertiary qualification in IT or Computer/Engineering Sciences, or Matric with at least 5 years of relevant development experience.
  • Minimum 5 years experience as a Mobile Developer in a software development environment.
  • Experience using API services to integrate with mobile applications.
  • Experience building API services (.NET Framework) for mobile integration.
  • Experience designing and maintaining relational databases.
  • Proficiency in accessing mobile device components (camera and geolocation) and deploying these features.
  • Ability to mentor team members and work collaboratively.
  • Solid understanding of SDLC processes, tools, and Agile software development methodologies.

Skills & Technologies:
  • React Native, React.js, JavaScript, and TypeScript
  • C#.NET and Microsoft .NET Framework
  • Mobile store deployments: iOS, Android, and Huawei
  • API integration: Web/RESTful services, XML, and JSON
  • Relational databases: Microsoft SQL Server
  • Azure DevOps: Repos, CI pipelines, and releases
  • Strong understanding of OOP principles, design patterns, and best practices
  • Experience with Google Services, Firebase, and Sentry
  • Tools: Visual Studio, VS Code, Android Studio, XCode, and SoapUI/Postman

Advantageous:
  • Experience with .Net Core, Web API, and MVC
  • Knowledge of security vulnerabilities and impact on solutions
  • Experience monitoring and optimizing mobile app performance and security


https://www.executiveplacements.com/Jobs/S/Senior-Mobile-Developer-React-Native-1271503-Job-Search-03-13-2026-00-00-00-AM.asp?sid=gumtree
Id Subtitle 1353312318
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Executive Placements
Selling for 1 year
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