This role is for one of the Weekday's clients

Min Experience: 8+ years

Location: India
JobType: full-time

We are seeking an experienced Senior .NET Integration Developer to design, develop, and maintain scalable enterprise-grade integration solutions. The ideal candidate will have extensive experience in the Microsoft technology stack, strong expertise in building high-performance APIs and backend services, and a deep understanding of enterprise application integration. You will play a key role in connecting business-critical systems, modernizing legacy applications, and ensuring seamless data exchange across enterprise platforms.

As a senior member of the engineering team, you will collaborate with architects, product managers, business stakeholders, and cross-functional development teams to deliver reliable, secure, and scalable integration solutions that support business growth and digital transformation initiatives.

Requirements

Key Responsibilities

• Design, develop, and maintain enterprise integration solutions using the Microsoft .NET ecosystem.
• Build scalable RESTful APIs, microservices, and backend components using ASP.NET Core and C#.
• Develop and enhance enterprise applications using the .NET Framework while supporting modernization initiatives.
• Integrate internal and third-party systems using web services, APIs, messaging platforms, and middleware technologies.
• Analyze business requirements and translate them into robust technical solutions.
• Optimize application performance, scalability, and reliability across distributed environments.
• Implement secure authentication and authorization mechanisms for enterprise applications.
• Troubleshoot production issues, perform root cause analysis, and implement long-term solutions.
• Write clean, reusable, and maintainable code following coding standards and best practices.
• Participate in architecture discussions, technical reviews, and solution design sessions.
• Mentor junior developers and provide technical guidance across development teams.
• Collaborate with QA teams to ensure comprehensive testing and successful deployment of applications.
• Support CI/CD pipelines and contribute to deployment automation and release management.
• Create technical documentation, integration specifications, and system design documents.

Required Skills

Must-Have Skills

• Strong hands-on experience with .NET Framework.
• Expertise in ASP.NET Core for building modern web applications and APIs.
• Advanced proficiency in C# programming.
• Strong understanding of object-oriented programming, design patterns, and SOLID principles.
• Experience building REST APIs and service-oriented architectures.
• Knowledge of relational databases such as SQL Server and performance optimization techniques.
• Familiarity with asynchronous programming, dependency injection, and middleware concepts.
• Experience working with Git and modern software development practices.
• Strong debugging, troubleshooting, and performance tuning skills.

Good-to-Have Skills

• Experience in Enterprise Application Development.
• Hands-on experience as a .NET Integration Developer working with enterprise integration platforms.
• Knowledge of microservices architecture and distributed systems.
• Experience integrating ERP, CRM, or other enterprise business applications.
• Exposure to Azure services, cloud-native development, or hybrid cloud environments.
• Familiarity with messaging technologies such as Azure Service Bus, RabbitMQ, or Kafka.
• Experience with Docker, Kubernetes, and CI/CD pipelines is an advantage.

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
• 8–14 years of professional software development experience using Microsoft technologies.
• Proven experience delivering large-scale enterprise integration projects.
• Strong analytical, communication, and problem-solving skills.
• Ability to work effectively in Agile/Scrum development environments.