Senior .NET / C# Engineer

Quest Global; Pune District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Quest Global is seeking a skilled .NET developer in Pune, India to join its engineering services team. You will design, develop, and maintain applications using C# and .NET, implementing REST APIs, cloud components, and scalable solutions.

You will participate in design reviews, debugging, and performance tuning while collaborating with global teams. The role emphasizes strong OOP, SOLID principles, and experience with AWS, SQL/NoSQL, and CI/CD.

Qualifications

• Must have hands-on experience in C# and .NET development.
• Strong understanding of OOP, SOLID principles, and design patterns.
• Experience with REST APIs, web services, and client-server integration.
• Hands-on experience with AWS or cloud-based application development.
• Working knowledge of SQL/NoSQL databases.
• Understanding of authentication/authorization concepts.

Responsibilities

• Design, develop, enhance, and maintain applications using C# and .NET.
• Participate in design reviews, code reviews, testing, and debugging.
• Develop robust, scalable, maintainable solutions following OOP and design patterns.
• Work on REST APIs, web services, and cloud-based components.
• Troubleshoot complex issues using logs and root-cause analysis.
• Contribute to technical design discussions and decisions.
• Collaborate with distributed teams across the SDLC.
• Promote quality through CI/CD practices and best practices.
• Operate in an Agile/Scrum environment and own deliverables.

Skills

C#/.NET development

Object-oriented programming

REST APIs

AWS cloud development

SQL/NoSQL databases

Authentication/Authorization

Multithreading/Async

CI/CD

Debugging/Troubleshooting

Code reviews/design discussions

Agile/Scrum

Education

Bachelor's degree in STEM

Tools

AWS services

CI/CD pipelines

Git

Monitoring tools

Job description

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Key Responsibilities

• Design, develop, enhance, and maintain applications using C# and .NET.
• Participate in application design, implementation, technical reviews, peer code reviews, testing, debugging, and troubleshooting.
• Develop robust, scalable, and maintainable solutions following object-oriented programming principles and established design patterns.
• Work on REST APIs, web services, client-server integration, authentication/authorization, databases, and cloud-based application components.
• Troubleshoot complex application and production issues using logs, debugging tools, crash dumps, and root-cause analysis techniques.
• Participate in high-level and low-level technical design discussions and contribute to technology and design decisions.
• Collaborate with customer and distributed engineering teams throughout the software development lifecycle.
• Contribute to engineering quality through code reviews, testing, CI/CD practices, and adherence to development best practices.
• Work within an Agile/Scrum development environment and take ownership of assigned deliverables.

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.

Must-Have Skills

• Strong hands-on experience in C# and .NET development
• Strong understanding of object-oriented programming, SOLID principles, and design patterns
• Experience with REST APIs, web services, and client-server application integration
• Hands-on experience with AWS or cloud-based application development
• Working knowledge of relevant AWS services, cloud integration, monitoring, and troubleshooting
• Experience working with SQL and NoSQL databases
• Good understanding of authentication and authorization concepts
• Strong knowledge of multithreading, concurrency, and asynchronous programming
• Strong debugging, troubleshooting, and root-cause analysis skills
• Experience participating in application design, technical reviews, and peer code reviews
• Understanding of CI/CD and source-control practices
• Adept at using Ai tools like codex, copilot CLI etc
• Strong analytical and problem-solving skills
• Good written and verbal communication skills

Nice-to-Have Skills

• Experience with WPF and/or WinForms
• Knowledge of Windows application development and Windows internals
• Experience with Inter-Process Communication (IPC)
• Experience with crash dump analysis
• Knowledge of C/C++ or experience interfacing .NET applications with native components
• Cross-platform development experience across Windows, Linux, and macOS
• Exposure to AWS services such as IoT, Kinesis, and CDN
• Experience with MongoDB
• Knowledge of MSI/MSIX/WiX installers
• Experience working with enterprise proxy and infrastructure environments

Additional Attributes

• Strong team player with a collaborative working style
• Ability to work effectively with customer and geographically distributed engineering teams
• Willingness to learn and cross-skill across technologies
• Ability to independently investigate and resolve technical issues
• Good communication and analytical skills