Senior .NET Backend Developer

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Senior .NET Backend Developer

Waltz Health

Software Engineering

Pune, Maharashtra, India

Posted on Jul 9, 2026

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Company Description

At EVERSANA, we are proud to be certified as a Great Place to Work across the globe. We’re fueled by our vision to create a healthier world. How? Our global team of more than 7,000 employees is committed to creating and delivering next-generation commercialization services to the life sciences industry.

We are grounded in our cultural beliefs and serve more than 650 clients ranging from innovative biotech start-ups to established pharmaceutical companies. Our products, services and solutions help bring innovative therapies to market and support the patients who depend on them. Our jobs, skills and talents are unique, but together we make an impact every day.

Join us!

Across our growing organization, we embrace diversity in backgrounds and experiences. Improving patient lives around the world is a priority, and we need people from all backgrounds and swaths of life to help build the future of the healthcare and the life sciences industry. We believe our people make all the difference in cultivating an inclusive culture that embraces our cultural beliefs.

We are deliberate and self-reflective about the kind of team and culture we are building. We look for team members that are not only strong in their own aptitudes but also who care deeply about EVERSANA, our people, clients and most importantly, the patients we serve. We are EVERSANA.

Job Description

As a Senior .NET Backend Developer, you will work closely with Solution Architects, Application/Technical Architects, and Business Analysts to design and develop robust, scalable, and maintainable backend solutions.

You will be a key member of the development team, primarily responsible for developing backend application services and RESTful APIs using C# and ASP.NET Core. The ideal candidate will have strong expertise in software architecture, Domain-Driven Design, and design patterns, with the ability to translate complex functional requirements into well-designed technical solutions.

Essential Duties And Responsibilities

Our employees are tasked with delivering excellent business results through the efforts of their teams.

These results are achieved by

• Design, develop, and maintain scalable backend services and RESTful APIs using C# and ASP.NET Core.
• Participate in requirement discussions, technical design sessions, code reviews, and architecture discussions.
• Translate functional and business requirements into effective technical solutions.
• Apply Domain-Driven Design (DDD), Clean Architecture, and software design principles when developing enterprise applications.
• Implement appropriate creational, structural, and behavioral design patterns.
• Develop maintainable data access solutions using Entity Framework Core and SQL Server.
• Follow coding standards, architectural guidelines, and software development best practices.
• Write and maintain unit tests to ensure application quality and reliability.
• Troubleshoot complex technical issues and optimize backend application and API performance.
• Participate in research, proof-of-concepts (POCs), and technical demonstrations.
• Collaborate with architects and development teams to continuously improve application architecture and code quality.

Qualifications

MINIMUM KNOWLEDGE, SKILLS AND ABILITIES The requirements listed below are representative of the experience, education, knowledge, skill and/or abilities required.

• 7 years of relevant software development experience, with strong hands-on backend development expertise.
• Strong expertise in C# and ASP.NET Core.
• Extensive experience designing and developing RESTful APIs and backend application services.
• Strong experience with Entity Framework Core (EF Core).
• Strong understanding of SQL and relational databases, preferably SQL Server.
• Hands-on experience with Domain-Driven Design (DDD).
• Strong understanding and practical implementation of Clean Architecture.
• Strong knowledge of object-oriented programming, SOLID principles, and software design patterns.
• Practical experience implementing Repository Pattern.
• Strong understanding of creational, structural, and behavioral design patterns, including:
• Factory Pattern
• Facade Pattern

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