.Net API Developer - ASP/C#

Role Overview :

We are seeking a highly experienced Backend .NET API Developer with strong expertise in designing and building secure, scalable APIs using the Microsoft .NET stack and hands-on experience with AWS DynamoDB. The ideal candidate will have experience delivering enterprise-grade backend solutions, and prior exposure to Medical Devices, Healthcare, or Pharmaceuticals will be considered a strong plus. This role will be pivotal in architecting and implementing robust backend services, integrating with internal and external systems, and ensuring security, performance, and scalability.

Key Responsibilities :

API Development & Architecture :

- Design, develop, and maintain RESTful and/or GraphQL APIs using .NET Core / ASP.NET Core.

- Architect backend systems with scalability, performance, and maintainability in mind.

- Integrate APIs with various data sources, including AWS DynamoDB, relational databases, and external services.

AWS DynamoDB Expertise :

- Hands-on experience designing table structures, indexes, and query patterns for high-performance workloads.

- Implement DynamoDB best practices, including data modeling for scalability, TTL, streams, and backup/restore.

- Optimize cost and performance for high-volume workloads.

Cloud & Infrastructure :

- Deploy, manage, and monitor services in AWS (Lambda, API Gateway, S3, CloudWatch, IAM, etc.

- Collaborate with DevOps teams to implement CI/CD pipelines and automated deployments.

Collaboration & Leadership :

- Work closely with frontend developers, QA teams, and product managers to deliver features end-to-end.

- Mentor junior developers, conduct code reviews, and enforce coding standards.

- Participate in architectural discussions and technology selection.

Required Qualifications :

Technical Skills :

- 10+ years of professional software development experience.

- Strong experience in .NET Core / ASP.NET Core, C#, and object-oriented programming.

- Proven expertise in AWS DynamoDB (data modeling, performance tuning, and operational best practices).

- Experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions).

- Solid understanding of microservices architecture and distributed systems.

- Proficient with relational databases (SQL Server, PostgreSQL) and ORM frameworks (Entity Framework).

- Knowledge of secure API design (OAuth2, JWT, API rate limiting).

Other Skills :

- Excellent problem-solving and debugging skills.

- Strong communication skills for cross-functional collaboration.

- Ability to work in agile environments with distributed teams.

Preferred Qualifications :

- Experience with event-driven architectures (Kafka, Kinesis).

- Experience with containerization (Docker, Kubernetes).

- Familiarity with CI/CD using Azure DevOps, GitHub Actions, or AWS CodePipeline.

- Background in regulated software development lifecycle (SDLC).

- Prior experience in Medical Devices, Healthcare, or Pharmaceuticals domains.

- Familiarity with compliance and quality standards (HIPAA, HL7/FHIR, FDA 21 CFR Part 11, GxP).

- Exposure to FHIR/HL7 healthcare interoperability standards.