Full stack Lead Developer (Backend-Focused) (.NET Core+ReactJS)

RemoteEngine; India; On-site; INR 800,000 - 1,800,000; Full time

Job summary

RemoteEngine Technologies Private Limited is seeking an experienced full-stack lead developer (backend-focused) in India. You will design and implement scalable .NET Core and C# services, build APIs, and work with databases. Docker, SignalR, and REST API development are central to the role.

Candidates should have 4-6+ years in .NET Core/C#, and familiarity with AI-assisted coding tools. This hands-on role requires collaboration with cross-functional teams and a commitment to code quality and

Qualifications

• 4-6+ years of professional experience in .NET Core and C#.
• Hands-on experience with databases and building APIs.
• Solid experience with SignalR for real-time features.
• Proficiency in file I/O and handling large/binary files securely.
• Strong focus on unit testing, integration testing, and code coverage.
• Experience with Docker containers and CI/CD pipelines.
• Familiarity with AI-assisted coding tools like GitHub Copilot.
• Experience with Infobip and Twilio CPaaS integrations.
• Knowledge of Azure cloud and Azure Service Bus is a plus.

Responsibilities

• Design, develop, and maintain scalable backend applications using .NET Core and C#.
• Build RESTful APIs and manage database access.
• Implement file upload processing and secure handling.
• Develop real-time features with SignalR and manage sockets.
• Integrate messaging channels via Infobip/Twilio SDKs.
• Write unit/integration tests and ensure code coverage.
• Containerize services with Docker and manage CI/CD pipelines.
• Contribute to frontend features in React/TypeScript as needed.
• Collaborate with QA, DevOps, and product teams for timely delivery.
• Participate in code reviews and promote coding standards.

Skills

.NET Core

C#

ASP.NET Core

React.js

TypeScript

REST API Development

Entity Framework Core

SQL Database Management

SignalR

WebSocket Programming

Docker

Unit and Integration Testing

Code Coverage

File Upload and Processing

Infobip Integration

Twilio API Integration

WhatsApp and Messaging Channel

Webhooks

CI/CD Pipelines

GitHub Copilot

AI-Assisted Development

Education

Bachelor's degree in CS/IT or related field

Tools

GitHub Copilot

Azure

Azure Service Bus

Infobip SDKs

Twilio SDKs

Job description

Required skills:

.NET Core, C#, ASP.NET Core, React.js, TypeScript, REST API Development, Entity Framework Core, SQL Database Management, SignalR, WebSocket Programming, Docker, Unit and Integration Testing, Code Coverage, File Upload and Processing, Infobip Integration, Twilio API Integration, WhatsApp and Messaging Channel Integration, Webhooks, CI/CD Pipelines, GitHub Copilot, and AI-Assisted Development.

What you'll be working on

VisioGen is building the future of AI-powered healthcare by developing human-verified clinical communication solutions for ophthalmology practices. We combine cutting-edge generative AI with clinical expertise to build scalable, production-ready applications that enhance patient engagement and improve healthcare delivery.

We are looking for an experienced full-stack lead developer, backend-focused, with 4-6+ years of experience in .NET Core, C#, and modern backend development practices. The ideal candidate should be able to code backend services, work with databases, and build APIs, with strong preferred experience on the React frontend as well & not just familiarity with it. The role requires hands-on experience with Docker, file upload and handling, network sockets, and SignalR, along with a solid understanding of code coverage and unit testing. Comfort using AI-assisted coding tools as part of day-to-day development is also a key attribute.

What you'll do

• Design, develop, and maintain scalable, secure, high-performance backend applications using .NET Core and C#.
• Work with databases and build/enhance/maintain REST APIs.
• Develop features involving file upload, processing, and secure file handling.
• Build real-time communication solutions using SignalR and manage network socket programming as required.
• Build integration with WhatsApp, Viber, KakaoTalk, SMS, Email, WeChat, Telegram, FBmessenger, Instagram, Voice, and similar channels using Infobip &/or Twilio SDKs & journeys.
• Write unit, integration, and end-to-end tests using frameworks like xUnit, NUnit, or MSTest.
• Implement and monitor code coverage using appropriate tools (e.g., Coverlet, dotCover).
• Containerize applications and services using Docker, ensuring reliable builds and deployments across environments.
• Code and enhance frontend features in React.js/TypeScript as needed.
• Use AI-assisted coding tools (e.g., GitHub Copilot) as part of the standard development workflow, including code generation and reviews, and apply AI assistance across the SDLC where useful.
• Proactively debug issues, analyze logs, and perform root cause analysis to resolve bugs or performance bottlenecks.
• Collaborate with front-end developers, QA, DevOps, and product teams to ensure timely and quality delivery.
• Participate in code reviews, design discussions, and continuous improvement of coding standards and architecture; guide the developer-level engineer on the team.

What we're looking for

• 4-6+ years of professional experience in .NET Core and C#.
• Hands-on experience working with databases and building APIs.
• Solid experience with network sockets and SignalR for real-time features.
• Proficiency in file upload, file I/O, and handling large/binary files securely.
• Deep understanding of unit testing, integration testing, and measuring code coverage.
• Strong hands-on experience in creating and managing Docker containers.
• Good knowledge of REST APIs, asynchronous programming, and dependency injection.
• Well-versed in using AI tools (e.g., GitHub Copilot) for assistive coding and across the SDLC used day-to-day, not just aware of.
• Familiar with Git and version control workflows.
• Experience with Entity Framework Core or other ORM tools.
• Experience with Infobip is preferred, along with hands-on integration experience with comparable channel/CPaaS platforms such as Twilio (SMS, WhatsApp, email APIs, and webhooks).
• Experience with CI/CD pipelines.
• Familiarity with cloud platforms like Azure.
• Exposure to message queues such as Azure Service Bus.
• Knowledge of log aggregation and monitoring tools.
• Strong communication and collaboration skills.
• A team player who adapts quickly and works well in cross-functional teams.
• Proactive in identifying issues, suggesting solutions, and driving them to closure.
• Committed to quality, ownership, and continuous improvement.
• Bachelor's degree in computer science, information technology, or a related field.