React Native Mobile App Developer

About the Job

As a specialist in electronics and software for the past 20 years, in-tech is a dynamic, fast-growing engineering company headquartered in Munich, Germany employing around 2350 employees globally across 20 project locations in 8 countries.in-tech develops innovative engineering solutions for the automotive, rail, aerospace, defence, and industrial sectors.

We are committed to a flexible, modern work culture and work-life balance. Our colour orange stands for liveliness, warmth, and dynamism. We value a strong team spirit, fresh ideas and a positive work culture. We call it the “Orange Spirit”!

Since 2024, in-tech became a subsidiary of Infosys Ltd. This strategic partnership enables us to offer our customers even more comprehensive development and digitalisation services and a greater offshore capability.

We are looking for a Senior Xamarin Developer who is passionate about building high-quality, scalable, and performance-driven mobile applications. This role is ideal for a versatile professional with strong expertise in cross-platform mobile development, backend API development, and database-driven applications. The ideal candidate will work across Xamarin mobile applications, ASP.NET Core backend services, and SQL Server databases, ensuring seamless integration, optimal performance, and a superior user experience. If you enjoy working in a collaborative, fast-growing environment with a strong culture of innovation and teamwork, we’d love to hear from you!

Responsibilities

• Design, develop, and maintain cross-platform mobile applications using Xamarin forms and Xamarin Native for iOS and Android platforms.
• Build, integrate, and maintain RESTful APIs and backend services using ASP.NET Core.
• Develop secure, scalable, and high-performance backend components to support mobile and enterprise applications.
• Work with SQL Server or other relational databases for data modeling, complex queries, and performance optimization.
• Implement efficient data access layers and ensure data integrity across mobile and backend systems.
• Perform unit testing, integration testing, debugging, and troubleshooting for both mobile applications and backend services.
• Optimize application performance, responsiveness, and scalability across multiple devices and platforms.
• Collaborate with UI/UX designers, product owners, QA teams, and cross-functional stakeholders to gather requirements and deliver robust solutions.
• Participate in code reviews, enforce coding standards, and mentor junior developers as needed.
• Prepare technical documentation and provide deployment, release, and post-production support.

Requirements

• 8–10 years of hands-on experience in mobile application and backend development.
• Strong expertise in Xamarin.Forms and Xamarin.
• Native for cross-platform mobile development.
• Proficiency in C#,.NET, and ASP.NET Core for backend and API development.
• Extensive experience designing and consuming RESTful APIs.
• Solid experience working with SQL Server or other relational databases, including query optimization and performance tuning.
• Strong understanding of mobile application architecture, design patterns, and best practices.
• Experience with unit testing frameworks, debugging tools, and automated testing practices.
• Knowledge of application performance optimization and scalability principles.
• Familiarity with source control systems (e.g., Git) and CI/CD pipelines.
• Experience working in Agile or iterative development environments.
• Strong analytical, problem-solving, and communication skills.
• Ability to work independently while collaborating effectively within a team.

Apply with us

If you have experience and team spirit and are looking for a great place to work, then start your job with us.

As part of our dedication to the diversity of our workforce, in-tech is committed to equal employment opportunity without regard for age, race, colour, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion.

Responsibilities: 

• Work with an open-source iOS ecosystem and the libraries available for common tasks. 
• Work directly with developers and product managers to conceptualize, build, test and realize products.  
• Build reusable iOS software components for the platform.  

• Unit-test code for robustness, including edge cases, usability, and general reliability.   
• Work on bug fixing to improve application performance and shipping new features as required 
   

  Requirements:  

• Experience with iOS Design patterns, memory management, REST web-services and JSON Parsing. Designing and building advanced applications for the iOS platform 
•  Collaborating with cross-functional teams to define, design, and ship new features 

• Design and build advanced applications for the iOS platform  
• Work on bug fixing and improving application performance  
• Can integrate apps with backend and 3rd party API’s. 
• Good programming skills in Objective-C/Swift and extensive knowledge of Apples SDKs and frameworks like Core Data, Core Graphics, Foundation, UIKit, etc.  
• Have published one or more applications in an iOS App Store. 

• Knowledge of iOS App Store deployment process. 

• 2-5 years of professional Android Application development experience.
• Experience in designing, development, and REST API Integration of Android Applications using Dart, Java, or Kotlin.
• Strong knowledge of Android UI design principles, patterns, and best practices.
• Ability to design, build, and maintain high-performance, reusable, and reliable code.
• Deep knowledge of Android SDK, different versions of android, and handling of multiple screen sizes.

• Meeting with the product team to discuss ideas and specifications.
• Establishing strategy and development pipelines.
• Planning and implementing native functionality.
• Transforming design ideas into functional code.
• Designing and building native plugin codes.
• Identifying and fixing code errors and native plugin bottlenecks.
• Ensuring products conform to high industry standards.

ESSENTIAL SKILLS/ATTRIBUTES:

• Excellent knowledge of Android
• Appreciation for the limitations of handset development
• Attention to detail and subtleties of UI design and implementation
• Understanding of design patterns
• Ability to design for scalability and resilience
• Strong application process flow and problem solving techniques.
• Strong focus on refactoring and code quality
• Understanding of software configuration management and release management
• High levels of software engineering literacy and communication skills
• Friendly and professional manner
• Minimum 3 - 5 years java development
• Third Level Qualifications in computing, mathematics or science

DESIRED SKILLS:

• Experience of working in an agile environment
• Product development and lifecycle experience
• Experience of unit testing
• Scripting (JavaScript, Ruby, Python, Shell, etc.)
• Knowledge of build systems such as Maven and Gradle

• Candidate Must be well versed with latest SDK versions, XCode, Objective C, Swift, UIKit, Cocoa etc.
• Expertise in integrating web services (XML/ JSon etc.) with iPhone applications.
• An experience in using Maps API, GPS services for iPhone/ iOS apps is required.
• Experience with third-party libraries and APIs.
• Working knowledge of the general mobile orientation, architectures, trends, and emerging technologies.
• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text, Core Location.
• To take care of build and release process (Adhoc releases, Final release).
• Should have worked on cocoa touch, story board, core data, auto layout.
• Hands-on experience in Cloud APIs, push notifications, social media integration, and integration of analytics is an added advantage.
• Must have good analytical, debugging, App publishing and problem solving skills.
• Self-starter having the ability to independently acquire the knowledge required in succeeding his job.