Senior Dot 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.

• Write clean, scalable code using .NET programming languages.
• Developing the web based software using computer programming languages such as Asp.net, Sql Server, MVC, C# & Entity framework.
• Revise, update, re-factor and debug code.
• Participate as a team member in all phases of S/W lifecycle, including the analysis and design of S/W systems.
• Participate in integrated testing of product/ package.
• Deploying applications on client server.
• Making changes to existing web applications according to the feedback received from the end users or clients.
• Design and develop REST API’s using ASP.NET/C#.

Job Title: Senior .NET Developer (Remote)


Experience: 7+ Years
Location: India (Remote)

Apply:jobs[at]cookieanalytix[dot]net

Company Overview:
We are a dynamic and rapidly growing tech company looking for a talented Senior .NET Developer to join our team. As a Senior .NET Developer, you will work with a team of skilled professionals to build high-quality, scalable applications and contribute to the development of innovative software solutions.

Key Responsibilities:

* Design, develop, and maintain high-performance applications using .NET technologies.

* Collaborate with cross-functional teams to define, design, and ship new features.

* Write clean, maintainable, and efficient code.

* Optimize and troubleshoot SQL queries for database performance.

* Work with large, complex data sets and ensure the integrity of the database.

* Participate in code reviews and contribute to best practices for software development.

* Continuously improve development processes and implement automation where possible.

* Ensure all applications meet quality standards and provide excellent user experiences.

Required Skills and Experience:

* 7+ years of experience as a .NET Developer with a proven track record of designing and developing scalable applications.

* Strong proficiency in ASP.Net, C#, Web API, React/ Angular, Entity Framework.

* Solid experience with SQL Server, including database design, writing optimized queries, and performance tuning.

* Excellent problem-solving skills and the ability to debug and optimize complex systems.

* Strong communication skills with the ability to work independently and as part of a team in a remote setting.

Why Join Us?

* Work from the comfort of your own home in a fully remote environment.

* Opportunity to work on innovative and challenging projects.

* Collaborative and inclusive work culture.

Our client is a rapid growth stage Edtech start-up focused on solving the teacher shortage crisis in the US education system using technology by bringing teachers to the classrooms and giving them access to the right tools to teach students in a highly engaging manner.

They have a development center in Mumbai and they are looking to scale up the teams in Pune and Bangalore as well.

What does the role entail:

● Design, develop, and maintain software applications using .NET Core ,C#

● Write clean, maintainable, and efficient code

● Collaborate with cross-functional teams to analyze requirements, design solutions, and implement new features

● Develop and implement unit tests and integration tests to ensure software quality

● Participate in code reviews and provide constructive feedback to peers

● Lead requirements/tasks and guide/mentor junior software engineers in the development process and help them grow their technical skills

Required Skills:

● B.E/B.Tech in computer science

● 4 - 7 years of experience

● Hands-on experience following skills

MS Technologies: NET CORE 5+, C#

Backend : MSSQL/MySQL/Postgres 

● Good understanding of Cloud technologies like Azure/AWS.

● Strong understanding of Design Principles, Design patterns and Microservices Architecture.

● Excellent problem-solving, critical thinking, and communication skills

● Must understand full stack development frameworks including knowledge of building scalable APIs, interfaces, software components, schema design, availability, and latency preferably in a cloud environment.

● Worked in fast-paced environment product startup/startup-like culture in an Agile software development environment

• Experienced in C# MVC
• Should have good knowledge in JavaScript, SQL, RDBMS Concepts and Microsoft .NET
• Framework, practical implementation of Object Oriented Concepts, N-Tier Architecture
• development and understanding of JSON, XML, SOAP.
• Good hands-on coding skills in Java Script, Ajax, C#, ASP.Net, jQuery
  Knowledge of working Android iOS mobile development would be added advantage
• Good communication and analytical skills are must.
• Candidates with experience will be preferred.