Senior Dot Net Full Stack Engineer

Nous Infosystems; Bengaluru; Hybrid; INR 3,500,000 - 5,000,000; Full time

Job summary

Nous Infosystems is seeking a Senior Full Stack Engineer with strong C#/.NET Core, Azure, React, and AI-enabled development experience. You will design, build, and operate secure, scalable enterprise apps in a regulated global environment.

You will work across the stack, contribute to architecture, and deliver AI-native products with modern AI coding agents, ensuring performance, security, and observability across features.

Qualifications

• 6+ years of professional software development experience.
• Hands-on with C#, .NET Core, ASP.NET, WebAPI, and REST APIs.
• Experience with React and TypeScript.
• Proven Azure cloud experience with PaaS.
• Experience in AI/GenAI development and AI-assisted engineering.

Responsibilities

• Design and develop modern web applications using React/TypeScript, HTML, CSS.
• Develop scalable backend services and REST APIs with C#, .NET Core.
• Build cloud-native solutions using Microsoft Azure PaaS services.
• Contribute to architecture, design, REST APIs, and integrations.
• Implement AI-powered features, LLM integrations, and AI workflows.
• Own features end-to-end from design to deployment and support.
• Implement logging, monitoring, and operational documentation.
• Collaborate with product, implementation, and client teams.
• Employ AI-assisted development practices with Claude Code/Codex/Copilot.
• Follow spec-driven development and ensure production-ready AI code.

Skills

6+ years

C# / .NET

ASP.NET / WebAPI

React / Next.js

TypeScript

Azure

AI / GenAI

AI coding agents

Prompt engineering

LLM API integration

Security & compliance

Authentication & Authorization

Communication skills

Tools

Claude Code

OpenAI Codex

GitHub Copilot

Semantic Kernel

LangChain

Azure AI Services

Job description

Senior Full Stack Engineer .NET Core | Azure | React | AI

Experience: 6-15 Years Location: Bangalore Employment Type: Full-time

Job Summary

We are looking for a Senior Full Stack Engineer with strong hands-on experience in C#/.NET Core, Azure, React, and AI-enabled application development.

The ideal candidate will be responsible for designing, developing, and operating secure, scalable enterprise applications in a global and regulated environment. You will work across the complete technology stack, contribute to architecture and technical decisions, and build AI-native products and workflows using modern AI coding agents such as Claude Code, Codex, or similar tools.

Key Responsibilities

• Design and develop modern web applications using React, Next.js, TypeScript, HTML, and CSS.
• Develop scalable backend services and REST APIs using C#, .NET Core, ASP.NET, WebAPI, and MVC.
• Design and implement cloud-native solutions using Microsoft Azure PaaS services.
• Contribute to system architecture, technical design, REST APIs, integrations, and event-driven solutions.
• Build secure and reliable applications with strong focus on performance, scalability, observability, privacy, and auditability.
• Own features end-to-end, from technical design and development through testing, deployment, and production support.
• Implement logging, monitoring, alerting, incident support, and operational documentation.
• Work closely with Product, Implementation, and Client-facing teams to translate business requirements into technical solutions.
• Use AI-assisted and agentic development practices using tools such as Claude Code, Codex, or similar AI coding agents.
• Follow spec-driven development practices where detailed specifications guide development, testing, and AI-agent implementation.
• Design and implement AI-powered application features, including LLM integrations, prompt engineering, RAG, and AI-assisted workflows.
• Evaluate and integrate AI APIs, models, and frameworks while considering security, responsible AI, cost, and observability.
• Conduct code reviews, mentor engineers, and provide technical guidance to the development team.

Required Skills

• 6+ years of professional software development experience.
• Strong hands-on experience with C#, .NET Core, ASP.NET, WebAPI, and REST APIs.
• Strong experience with React and/or Next.js, preferably with TypeScript.
• Proven experience designing and developing solutions on Microsoft Azure using PaaS services.
• Hands-on experience with AI/GenAI application development and AI-assisted software engineering.
• Experience using Claude Code, OpenAI Codex, GitHub Copilot, or similar AI coding agents.
• Knowledge of prompt engineering, LLM API integration, RAG, or AI-powered application workflows.
• Strong understanding of software architecture, design patterns, SOLID principles, scalability, and separation of concerns.
• Experience working with enterprise applications in security/compliance-oriented environments.
• Strong understanding of authentication, authorization, security, privacy, and data protection.
• Good communication and collaboration skills.

Good to Have

• Experience with Azure AI Services, Semantic Kernel, LangChain, or other AI orchestration frameworks.
• Experience with RAG, vector databases, embeddings, and LLM-based applications.
• Experience with event-driven/distributed systems and messaging platforms.
• Experience with SQL Server, Entity Framework, NHibernate, and caching.
• Experience with automated testing using xUnit, Jest, Mocha, TDD/BDD.
• Experience with CI/CD and DevOps automation.
• Azure/Microsoft certifications.
• Experience with analytics, reporting, BI, or data visualization.
• Experience building APIs for mobile applications.
• Experience evaluating and improving AI-generated code for production readiness.

Technical Skills

Frontend: React, TypeScript, HTML, CSS, SPA, Accessibility, Performance Optimization

Backend: C#, .NET Core, ASP.NET, WebAPI, MVC, REST APIs

Cloud: Microsoft Azure, Azure PaaS, Identity, Security, Observability, Deployment Automation

Database: SQL Server, Entity Framework, NHibernate, Caching

AI/GenAI: LLMs, Prompt Engineering, RAG, Vector Databases, AI APIs, Azure AI Services, LangChain, Semantic Kernel

AI Development Tools: Claude Code, OpenAI Codex, GitHub Copilot, AI Coding Agents

Engineering: Git, CI/CD, Secure SDLC, Automated Testing, Spec-Driven Development, Agent-Driven Development, Code Reviews