Senior Lead Developer (C# / AWS multi-tenant)

Senior .NET Developer (C# / AWS Multi-tenant )

Location: India (Remote anywhere in India)

Experience: 6-8 Years minimum. This role requires high-level hands-on development experience

Position Overview

BCI is seeking a highly skilled hands-on Senior .NET Developer to join our engineering team and play a key role in designing, developing, and maintaining scalable backend applications and APIs for our direct USA based client. The ideal candidate will have strong expertise in C#, .NET Core, cloud-native development on AWS, modern software design principles, and automated testing practices . Must be able to work a blended hours schedule of EST and IST timings.

Key Responsibilities

• Design, develop, and maintain robust backend applications and RESTful APIs using C# and .NET Core.
• Implement scalable, secure, and high-performing solutions following industry best practices.
• Apply SOLID principles, design patterns, and clean architecture methodologies.
• Develop efficient data access layers using Entity Framework and ORM frameworks.
• Work with relational and NoSQL databases including PostgreSQL, SQL Server, DynamoDB, and Redis.
• Build and optimize distributed and event-driven applications leveraging AWS services.
• Develop comprehensive unit and integration tests to ensure code quality and reliability.
• Participate in code reviews, troubleshooting, performance tuning, and continuous improvement initiatives.
• Collaborate closely with cross-functional teams including architects, DevOps engineers, product owners, and QA teams.

Required Skills & Qualifications

Technical Expertise

• 6-8 years of experience in backend application development using C# and .NET Core/.NET 6+ .
• Strong understanding of:
• RESTful API development and security
• Object-Oriented Design (OOD)
• Design Patterns and SOLID Principles
• Task Parallel Library (TPL) and asynchronous programming
• Entity Framework and ORM technologies

Database Technologies

• PostgreSQL
• Microsoft SQL Server
• Database design, optimization, and performance tuning

Testing & Quality

• Experience with:
• xUnit
• NUnit
• Moq
• Strong focus on automated testing and code quality.

AWS Cloud Experience

Hands-on experience with:

• AWS Lambda
• Amazon SQS
• AWS Batch
• Amazon DynamoDB
• Amazon RDS
• Amazon ElastiCache (Redis)
• Amazon CloudWatch

Development Tools

• Git
• SonarLint
• DotCover
• ReSharper
• CI/CD pipelines (Bamboo preferred)

Preferred Qualifications

• Experience with AI-powered development tools such as:
• GitHub Copilot
• Cursor
• Kiro
• Similar AI-assisted coding platforms
• Experience working in Agile/Scrum environments.
• Strong problem-solving, communication, and collaboration skills.

Why Join Us?

• Opportunity to work on modern cloud-native applications.
• Exposure to cutting-edge AWS and AI-assisted development technologies.
• Collaborative engineering culture focused on innovation, quality, and continuous learning.
• Ability to make a significant impact on business-critical solutions.