.NET 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.

Apply only if you can join within 2 week of selection.

Ideal for candidates who would like to be part of the learning process across growing technologies and embark journey on a tech architect path. Very deep into technologies and eager to learn and adapt with technology advancement

Job Description:
• Proficient ASP.NET/.NET CORE, Web API, MVC, Entity framework and MS SQL/MySQL is mandatory.
• Experience with HTML5/CSS3, JavaScript/jQuery, Angular; web-service: SOAP, RESFUL, MVC API
• Willing to learn new technologies
• Have good knowledge or experience with Agile/SCRUM development method
• Detail oriented, self-motivated and disciplined, with ability to complete assigned tasks with minimal oversight in a professional and timely manner is a must

|| #5daysworking || #flexibleworkinghours || #employeeorientedpolicy || #attractivebonus

• Understanding of SDLC & OOPs concepts.

• Must have experience with ASP.NET with C#

• Good knowledge of SQL server / POSTGreSQL database

• Basic Knowledge of javascript, JQuery, CSS, HTML5, Bootstrap

• Ability to design Web architecture.

• Ability to bug fixing in existing projects.

• Knowledge of functions, procedure, triggers.

• Ability to write optimized sql query.

• Good knowledge of developing Desktop Application

• Knowledge of WCF, Web Services and file management.

• Knowledge of digital signature is preferred.

• Should be able to work in a team environment.

• Strong in Software Development and Problem Solving Skills.

• Design, Develop and Unit Test software independently.

• Also should be able to understand the existing applications and should be in position to reengineer the codes to latest .Net technologies.

• Freshers: Should have B.Tech background and should have strong in problem solving skills.

Responsibilities

• Determines technical feasibility of medium to low complexity features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.

• Exercises judgment in prioritizing tasks and selecting methods and techniques for obtaining solutions.

• Create a low-level design of modules of a software application through proper documentation and diagrams.

• Develops software solutions by studying requirements, clarifying customer/user needs, analyzing data and processes, and following established software development practices and processes.

• Develops proof of concepts for technical evaluation and early customer feedback.

• Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications.

• Networks with internal and external personnel in their area of expertise.

Requirements

• B.Tech/B.S. or M.Tech/M.S. in Computer Science, IT or related field.

• 3-5 years of experience

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Mandatory Skills

• Should be proficient in the following areas of .NET (.NET 4.5 or above, .NET Core)

• Expert in C# and ASP.NET

• Knowledge of JavaScript/TypeScript is a plus

• Development of Windows and Web services

• Parallel and Asynchronous programming

• Unit testing, Linq, ORM

• Debugging/troubleshooting in .Net

• Should be proficient in SQL Server 2012 and above in the following areas

• T-SQL Stored Procedures

• Transaction in SQL

• Should have the following design skills

• Expert in OOPs

• Proficiency in Design Patterns

• Proficiency in Unit testing Patterns

• Understanding of Algorithms and Data structures.

• Experience on Requirement/Design/Code Review & Inspections

• Excellent problem-solving and analytical skills.

Desirable Skills

• Hands-on experience with using Git (handling branching and merging), any DevOps pipeline

• Experience with Agile methodologies

• Write clean, scalable code using .NET programming languages
• Remain up to date with the terminology, concepts and best practices for coding mobile apps
• Develop technical interfaces, specifications, and architecture
• Use and adapt existing web applications for apps
• Create and test software prototypes
• Develop client displays and user interfaces
• Assist software personnel in handling project related work and other requirements
• Coordinate with other software professionals and developers

• Participate in requirement analysis
• Write clean, scalable code using .NET
• Test and Deploy applications and systems

• Must have good command on c#
• Should have knowledge on the official ASP.NET, ANGULAR JS and MVC