NET Core API Developer

8 hours ago

Madurai, Tamil Nadu, India Techmango Technology Services Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Location: Madurai

Job Experience: 5-20 Years

Model of Work: Work From Office

Technologies: .Net Core API AWS

Functional Area: Software Development

Job Summary:
  • Job Title: .NET API Developer (AWS Experience)

    Location: Madurai – Hybrid Mode

    Experience: 5+ Years

    Employment Type: Full-time

Job Summary We are seeking an experienced .NET API Developer with strong hands-on expertise in building scalable backend services and integrating cloud-based solutions on AWS. The candidate will be responsible for designing, developing, and optimizing RESTful APIs, working closely with cross-functional teams on architecture, cloud adoption, and deployment. Knowledge of ReactJS for UI support and experience integrating Claude.AI or other LLM APIs will be an added advantage.

Key Responsibilities:
  • Design, develop, and maintain ASP.NET / .NET Core Web APIs with clean, scalable architecture.

Build microservices and server-side components with best coding practices.

Work extensively with AWS cloud services such as Lambda, API Gateway, S3, EC2, SNS/SQS, DynamoDB/RDS, CloudWatch, and IAM.

Implement secure, high-performing APIs and ensure proper authentication/authorization (JWT, OAuth, Cognito).

Collaborate with DevOps for CI/CD pipelines, deployments, and performance optimization.

Integrate external services using REST/GraphQL APIs.

Participate in design discussions, code reviews, and Agile Scrum ceremonies.

Optional: Support front-end teams using ReactJS when needed.

Optional: Integrate AI workflows using Claude.AI / OpenAI for intelligent automation or backend data processing.

Required Skills

5+ years of hands-on experience with .NET Core / ASP.NET and backend API development.

Strong experience with C#, OOP concepts, and design patterns (Repository, Dependency Injection, CQRS preferred).

Practical experience with AWS Cloud Services (Lambda, API Gateway, S3, CloudFormation, RDS/DynamoDB, SNS/SQS).

Hands-on experience with relational databases (SQL Server, PostgreSQL, MySQL) and NoSQL stores.

Strong knowledge of REST API design, versioning, documentation (Swagger/OpenAPI).

Understanding of microservices architecture and distributed systems.

Experience with Git, CI/CD pipelines (GitHub Actions, GitLab, AWS CodePipeline).

Strong debugging, optimization, and problem-solving skills.

Added Advantage (Good to Have)

Working knowledge of ReactJS to collaborate with front-end teams.

Experience integrating Claude.AI / OpenAI / LLM APIs for automation or smart features.

Familiarity with Docker, containerization, and Kubernetes (EKS).

Experience with Serverless architecture on AWS.

Knowledge of messaging queues and event-driven architecture.

About our Talent Acquisition Team:
  • Arumugam Veera leads the Talent Acquisition function for TechMango, driving our mission to build high-performing teams and connect top talent with exciting career opportunities.

Feel free to connect with him on LinkedIn:

Follow our official TechMango LinkedIn page for the latest job updates and career opportunities:

Looking forward to connecting and helping you explore your next great opportunity with us

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