At Clario, part of Thermo Fisher Scientific, we are seeking a Senior Mobile Application Engineer (.NET MAUI / Xamarin) to help design, build, and evolve the Clario App—our core mobile platform used by patients and clinical research sites across global clinical trials. This platform plays a critical role in how patients engage with research, enabling reliable data collection, improving compliance, and supporting a high‑quality trial experience.
In this role, you will develop robust, scalable mobile applications using C#, MVVM architecture, and modern cross‑platform frameworks such as .NET MAUI, building on Xamarin‑based foundations where applicable. You will take ownership of mobile solution design, contribute to architectural decisions, and continuously raise standards for code quality, performance, and maintainability.
Working closely with product, UX, quality engineering, and clinical stakeholders, you will deliver patient‑facing applications used globally—where stability, usability, and data integrity are essential to advancing life‑changing clinical research.
What We OfferCompetitive compensation
Flexible work schedules
Attractive PTO plan
Engaging employee programs
Provident Fund
Gratuity
Flexible leave plans
Remote and hybrid work options
Design, develop, and maintain high-quality applications using C# and the .NET ecosystem, ensuring clean, maintainable, and efficient code
Design and implement scalable software architectures using established design patterns and architectural principles to ensure systems are modular, testable, and maintainable
Develop applications using the Model–View–ViewModel (MVVM) pattern, ensuring strong separation of concerns and maintainable UI logic
Apply industry best practices including SOLID principles, clean code standards, and reusable design patterns while actively participating in code reviews
Analyze complex technical requirements and design solutions that balance performance, scalability, and maintainability
Develop and integrate RESTful APIs and external services, ensuring secure and efficient data exchange
Identify performance bottlenecks and implement improvements to optimize system responsiveness and resource utilization
Collaborate with cross-functional teams including Product, QA, and DevOps, while mentoring junior developers and contributing to engineering best practices
Contribute to architectural discussions and continuously improve system reliability, maintainability, and development standards
Bachelor’s degree in Computer Science, Engineering, or a related field
5+ years of professional software development experience
Proven expertise in C# and .NET frameworks
Strong experience implementing MVVM architecture
Deep understanding of software design patterns such as Factory, Singleton, Repository, and Dependency Injection
Experience designing scalable system architectures and distributed applications
Hands-on experience designing and consuming REST APIs
Strong knowledge of object-oriented programming principles
Experience working in Agile development environments
Experience with .NET MAUI, Xamarin, or cross-platform development frameworks (preferred)
Experience with performance profiling, debugging tools, and automated testing frameworks including unit, integration, or UI testing (preferred)
Strong analytical and problem-solving capabilities
Excellent collaboration and communication skills
Ability to work independently and take ownership of complex features
Interest in mentoring and guiding other engineers
Based in or able to work from India (Remote / Hybrid)
At Clario, our purpose is to transform lives by unlocking better evidence. It’s a cause that unites and inspires us. It’s why we come to work—and how we empower our people to make a positive impact every day. Whether you’re starting your clinical data career or building long‑term expertise, your work helps bring life‑changing therapies to patients faster.
