ASP.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.

Hello,

Greetings from CodersBrain!

Coders Brain is a global leader in its services, digital, and business solutions that partners with its clients to simplify, strengthen, and transform their businesses. We ensure the highest levels of certainty and satisfaction through a deep-set commitment to our clients, comprehensive industry expertise, and a global network of innovation and delivery centers.

This is regarding the urgent opening for the'' ROR Developer role. We found your profile in the Cutshort database and it seems like a good fit for the organization. If you are interested, do revert back with your updated CV along with the details:

Permanent Payroll :  CodersBrain

Location:- Mumbai/ Kolkata

Notice Period:- imm./15 daysJob Description
Scope of work  This role is an exciting opportunity to build highly interactive

customer facing applications and products.
 Candidate will help transform vast collections of data into
actionable insights with intuitive and easy to use interfaces and
visualizations.
 Candidate will leverage the power of JavaScript and Ruby on
Rail to build novel features and improvements to our current suite
of tools.
 This team is responsible for customer-facing applications that
deliver SEO data insights.
 Through the applications customers are able to access insights,
workflows, and aggregations of information above and beyond
core data offerings

Responsibility 

 Build and maintain the core frontend application

 Work collaboratively with the engineers on the Frontend team to
ensure quality and performance of the systems through code
reviews, documentation, analysis and employing engineering
best practices to ensure high-quality software
 Contribute to org devops culture by maintaining our systems,
including creating documentation, run books, monitoring, alerting,
and integration tests, etc.
 Participate in architecture design and development for new
features and capabilities, and for migration of legacy systems, to
meet business and customer needs.
 Take turns in the on-call rotation, handling systems and
operations issues as they arise including responding to off-hours
alerts
 Collaborate with other teams on dependent work and integrations
as well as be vigilant for activities happening outside the team
that would have an impact on the work your team is doing.
 Work with Product Managers and UX Designers to deliver new
features and capabilities
 Use good security practices to protect code and systems
 Pitch in where needed during major efforts or when critical issues
arise
 Give constructive, critical feedback to other team members
through pull requests, design reviews, and other methods
 Seek out opportunities and work to grow skills and expertise.

C) Skills Required
Essential Skills  JavaScript (preferred ExtJS framework)

 Ruby
 Ruby on Rails
 MySQL
 Docker
Desired Skills  Terraform

 Basic Unix/Linux administration
 Redis
 Resque
 TravisCI
 AWS ECS
 AWS RDS
 AWS EMR
 AWS S3
 AWS Step Functions
 AWS Lambda Functions
 Experience working remotely with a distributed team
Great problem-solving skills

D) Other Information
Educational Qualifications Bachelor's degree/MCA
Experience  5– 8 years

Please confirm the mail with your updated CV  if you are interested in this position and also please share the below-mentioned details :

Current CTC:
Expected CTC:
Current Company:
Notice Period:

Notice Period:Are you okay with 1 week Notice period if not  then comfortable as freelancing work with us till joining:- 
Current Location:
Preferred Location:
Total-experience:
Relevant experience:
Highest qualification:

DOJ(If Offer in Hand from Other company):

offer in hand:

Alternate number:

Interview Availability

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

1. At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
2. Excellent hands-on experience using MySQL or any other SQL Database.
3. Good knowledge of MongoDB or any other NoSQL Database.
4. Good knowledge of Redis, its data types, and their use cases.
5. Experience with graph-based databases like GraphQL and Neo4j.
6. Experience developing and deploying REST APIs.
7. Good knowledge of Unit Testing and available Test Frameworks.
8. Good understanding of advanced JS libraries and frameworks.
9. Experience with Web sockets, Service Workers, and Web Push Notifications.
10. Familiar with NodeJS profiling tools.
11. Proficient understanding of code versioning tools such as Git.
12. Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
13. Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
14. Experience building a large scale social or location-based app.