Software Developer

API Developer (.NET Core 8/9)

Location: Hyderabad/Vijayawada- India



Navitas is seeking a Senior API Developer (.NET Core 8/9) to join our development team in building robust, high-performance microservices and APIs. You will play a key role in designing scalable, secure, and maintainable backend services that power our web and mobile applications. In this role, you will collaborate with product managers, front-end developers, and DevOps engineers to deliver seamless digital experiences and ensure smooth partner integration. This is a mission-critical position that contributes directly to our organization’s digital transformation initiatives.

Responsibilities will include but are not limited to:

• Microservices & API Development: Design, develop, and maintain RESTful APIs and microservices using .NET Core 8/9 and ASP.NET Core Web API.
• API Design & Documentation: Create secure, versioned, and well-documented endpoints for internal and external consumption.
• Asynchronous Processing: Build and manage background jobs and message-driven workflows using Azure Service Bus and Azure Storage Queues.
• Authentication & Security: Implement OAuth2.0, JWT, Azure AD for securing APIs; enforce best practices for secure coding.
• Caching Integration: Enhance performance through caching mechanisms (Redis, in-memory caching).
• Performance Optimization: Profile APIs and database queries to identify bottlenecks; tune services for speed, scalability, and resilience.
• Clean Code & Architecture: Follow SOLID principles, Clean Architecture, and domain-driven design to write modular, testable code.
• Technical Collaboration: Participate in Agile development processes; collaborate with cross-functional teams to plan and deliver solutions.
• Troubleshooting & Maintenance: Use debugging tools and logging strategies to maintain uptime and resolve production issues.
• Documentation: Maintain clear, accessible technical documentation for services, endpoints, and integration requirements.

What You’ll Need:

• Bachelor’s degree in Computer Science, Information Systems, or a related technical field.
• 8+ years of backend development experience using .NET Core (6+ preferred, experience with 8/9 strongly desired).
• Strong understanding of RESTful API design, versioning, and integration.
• Experience with Clean Architecture and Domain-Driven Design (DDD).
• Deep knowledge of SOLID principles, design patterns, and reusable code practices.
• Skilled in SQL Server, including schema design, query tuning, and optimization.
• Proficiency in Entity Framework Core and Dapper for data access.
• Familiarity with API security standards (OAuth2.0, JWT, API keys).
• Experience writing unit/integration tests using xUnit, Moq, or similar frameworks.
• Basic experience with Azure services, including message queues and storage.
• Proficiency with Git, Agile workflows, and collaboration tools.
• Strong communication and problem-solving skills.

Set Yourself Apart With:

• Hands-on experience with Azure components (e.g., Service Bus, Functions, App Services, AKS).
• Experience with Azure Application Insights, Datadog, or other observability tools.
• Familiarity with Docker, containerization, and CI/CD pipelines.
• Performance testing and load testing experience.
• Familiarity with Postman, Swagger/OpenAPI, and other dev/test tools.
• Exposure to Agile/Scrum methodologies and sprint planning processes.

Equal Employer/Veterans/Disabled

Navitas Business Consulting is an affirmative action and equal opportunity employer. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Navitas Human Resources.

Navitas is an equal opportunity employer. We provide employment and opportunities for advancement, compensation, training, and growth according to individual merit, without regard to race, color, religion, sex (including pregnancy), national origin, sexual orientation, gender identity or expression, marital status, age, genetic information, disability, veteran-status veteran or military status, or any other characteristic protected under applicable Federal, state, or local law. Our goal is for each staff member to have the opportunity to grow to the limits of their abilities and to achieve personal and organizational objectives. We will support positive programs for equal treatment of all staff and full utilization of all qualified employees at all levels within Navitas.

Required Skills and Experience:

• 5-7 years of experience in full-stack software development.
• Solid proficiency in Angular (latest versions preferred).
• Strong understanding of Angular components, modules, services, and performance optimization.
• Proven experience in C# and .NET development.
• Experience in designing and integrating RESTful APIs using Swagger.
• Solid understanding of front-end and back-end development principles.
• Excellent problem-solving and debugging skills.
• Strong communication and collaboration skills.
• Experience with Git and GitHub for version control.
• Experience with CI/CD pipelines and DevOps practices.
• Experience writing and maintaining integration tests.
• Experience with database technologies (SQL or NoSQL, MongoDB).

Nice-to-Have Skills:

• Experience with database technologies (SQL or NoSQL, MongoDB).
• Understanding of cloud platforms (Azure).

About the job

The ideal candidate will be familiar with the full software design life cycle. They should have experience in designing, coding, testing and consistently managing applications They should be comfortable coding in a number of languages and have an ability to test code in order to maintain high-quality code.

Job Responsibilities :

• Design and develop scalable systems using .Net Core/ASP.Net MVC and SQL.
• Writing T-SQL scripts, stored procedures and performance tuning.
• Migrating applications to newer technologies
• Understanding requirements and convert into technical designs.

Qualifications

• Bachelor's degree in Computer Science or relevant field
• 1 to 4+ years of experience working with .NET or relevant experiences
• Experience developing web-based applications in C#, HTML, JavaScript, VBScript/ASP, or .NET
• Experience working with MS SQL Server and MySQL Knowledge of practices and procedures for full software design life cycle

You'll be working on : .Net WEB API projects, .Net core Version 6.0, Cloud projects using Azure like Working with DataBricks, EventHubs, Cosmos DB, WebHook, etc., SQL DB, Postgres SQL, Migration projects, DataLake projects.

1. Perform full life cycle software development
2. Test and evaluate the technical aspects of every decision
3. Review codes and assess code quality
4. Provide timely solutions to issues
5. Develop a server-side code for high-volume web-based applications
6. Create and develop web user interfaces with Web API as back-end
7. Implement analytics and monitoring routines
8. Knows how to SQL queries for the requirements & Stored Procedure / Entity framework
9. 2-3 Experience with and good knowledge of C, C++, C# and database technology .
10. 2+ years of experience with .NET MVC and web-based development
11. Experience with ASP.NET MVC, jQuery, Web API, Restful Service
12. Experience on Angular will be preferred