Senior Technical Lead – C#/.NET, React & Azure/AWS Cloud Architecture

Job Overview

We are seeking an experienced Senior Technical Lead with strong expertise in C#, .

NET, React, Azure/AWS, Microservices, Security, and DevOps.

The ideal candidate will be responsible for designing enterprise-level applications, defining technical architecture, leading development teams, and driving cloud migration and modernization initiatives. The candidate must have strong hands-on development and solution architecture experience across cloud and hybrid environments.

Key Responsibilities

• Design and lead enterprise application architecture using C#, .NET, and React.
• Develop and implement Microservices, REST APIs, and cloud-native applications.
• Apply software architecture and design patterns to build scalable and maintainable applications.
• Lead legacy application modernization and cloud migration initiatives.
• Design secure applications using industry security standards and best practices.
• Implement authentication, authorization, API security, and data protection.
• Optimize application, database, and front-end performance.
• Build and maintain CI/CD pipelines for automated software deployment.
• Lead technical discussions, architecture reviews, and code reviews.
• Troubleshoot complex application performance, scalability, and reliability issues.
• Guide development teams and establish technical standards.

Mandatory Technical Skills

Backend Development

Strong expertise in C# and .

NET / .

NET Core.

Enterprise API development and REST APIs.

Object-Oriented Programming and Design Patterns.

Distributed Systems and Microservices Architecture.

Frontend Development

• Strong hands-on experience with React.
• JavaScript / TypeScript.
• Front-end architecture, component design, and state management.
• Front-end performance optimization.

Cloud & Infrastructure

• Hands-on experience with Microsoft Azure or AWS.
• Cloud-native application development.
• Hybrid cloud architecture and cloud migration.
• Legacy application modernization (Re-hosting, Re-platforming, and Re-architecting).

Security

• Application and Cloud Security Architecture.
• OWASP Top 10 and Secure SDLC.
• OAuth2, OpenID Connect, JWT, and RBAC.
• Secrets Management, Data Encryption, and Network Security.

DevOps & Automation

• CI/CD Pipeline Implementation.
• Infrastructure as Code (Terraform / Ansible).
• Docker and Kubernetes.

Databases

• Microsoft SQL Server.
• NoSQL databases such as MongoDB.
• Database Performance Tuning and Optimization.

Architecture & Design Patterns

• Microservices and Event-Driven Architecture.
• Domain-Driven Design (DDD).
• CQRS, Saga, API Gateway, and GoF Design Patterns.
• Enterprise Integration and API Design Patterns.

Performance Optimization

• Application and Database Performance Optimization.
• Load Testing, Performance Testing, and Application Profiling.
• Monitoring and Observability using Application Insights, Prometheus, or Grafana.
• Scalability and Capacity Planning.

Development Practices

• Agile (Scrum / Kanban).
• Git and Jira.
• Automated Testing and Quality Engineering Practices.

Required Qualifications

• 10–12 years of overall software engineering experience.
• Significant experience in a Technical Lead or Solution Architect role.
• Proven hands-on expertise in C#, .NET, React, and Azure or AWS.
• Strong experience designing and delivering large-scale enterprise applications.
• Proven experience with Microservices, Security, and DevOps.
• Experience leading hybrid modernization and cloud migration programs.
• Experience working in cloud and hybrid-cloud environments.
• Demonstrated experience in enterprise security architecture and performance optimization.
• Strong technical leadership and problem-solving skills.

Preferred Skills: No separate preferred skills were specified in the client JD.

Work Arrangement

• Fully Remote.
• No onsite or hybrid attendance requirement specified.