Senior Product Software Engineer (.Net Developer with Strong REST API)

We are looking for a talented and motivated Senior Software Developer with strong experience in C# & API-First Development to join our development team. In this role, you will design, develop, and maintain complex, high-performance web applications, provide technical mentoring to the team, and help drive best practices in coding, architecture, and software development processes.

Under direct supervision, assists in designing, developing, testing, debugging web application with robust backend and intuitive frontend components, software tools, and utilities required for the operation, maintenance, and control of computer systems. Assists in modifying existing software to fit specialized needs and configurations and maintains program libraries and technical documentation.

Education: 

• Bachelor’s in engineering degree or equivalent degree. 

Must have:

• 6+ years of professional software development experience.
• Proven expertise in C#, .NET Core/.NET Framework, and related technologies.
• Solid understanding of RESTful API design and integration.
• Proficiency with API documentation and versioning tools (Swagger/OpenAPI)
• Solid understanding of authentication/authorization mechanisms (OAuth, JWT, API keys).
• Strong analytical, problem solving, and communication skills.
• Experience in code refactoring, quality improvement, and performance optimization
• Strong knowledge of multi-threading, scalability, performance, and application security
• Good knowledge of relational databases such as SQL Server, PostgreSQL.
• Experience participating in product release cycle, including code reviews and defect triage.
• Strong understanding of software engineering principles, design patterns, and best practices.
• Experience with version control systems like Git.
• Excellent problem-solving, debugging, and analytical skills.
• Clear understanding of end-to-end application (client, server, DB, storage, infra etc.)

Nice to have:

• Experience with cloud platforms (Azure, AWS).
• Knowledge of CI/CD pipelines.
• Experience with API gateways, load balancing, and rate limiting is an advantage.
• Exposure to Agile development methodologies.
• Familiarity with event-driven architectures or microservices.
• Experience with software development best practices like test-driven development.

Essential Duties and Responsibilities:

• Design, develop, and maintain robust, well-structured APIs using C# (.NET Core/.NET Framework) following API-first principles.
• Create and manage clear, versioned, and well-documented API specifications using tools like Swagger/OpenAPI.
• Develop backend services and data models that ensure scalability, performance, and security.
• Collaborate with Architects and Tech Lead to finalize implementation plan to refactor Azure IaaS/PaaS cloud services for high availability, resiliency, scalability, security, and optimal performance to meet service level objectives.
• Guide and mentor junior developers by conducting code reviews, sharing best practices, and providing technical support.
• Collaborate closely with product owners, designers, QA engineers to deliver high-quality features on time.
• Troubleshoot, debug, and resolve complex technical issues in production and development environments.
• Write clean, testable, and efficient code, and maintain comprehensive unit and integration tests.
• Relentlessly document your implementation, patterns, practices, and processes.
• Contribute to improving development workflows, CI/CD pipelines, and overall team productivity.
• Stay up to date with industry trends and emerging technologies to bring innovative ideas to the team.

Applicants may be required to appear onsite at a Wolters Kluwer office as part of the recruitment process.