Job Description:

Job Title:

Tech Lead C# / .NET & React Developer – Full Stack

Experience Required: 8-10 Years

Location: [Hybrid / Onsite]

Type: Full-Time

Role Summary:

We are seeking an accomplished Lead C# / .NET Core & React Full Stack Developer with strong expertise in microservices architecture, distributed systems, and modern front-end frameworks React. This role focused on building scalable, high-performance backend & frontend systems and enabling a cross-functional team to deliver robust full-stack solutions.

The ideal candidate is highly skilled in C# language features, .NET Core runtime capabilities, and containerized microservices, with strong experience in cloud-native development, DevOps, and code quality enforcement along with the frontend development in React & NextJS . He should Own production stability, support escalated issues, and guide root cause analysis and resolution.

Key Responsibilities

Backend Development – C# & .NET Core

Architect and develop headless, service-oriented applications using C# and .NET Core .Design distributed microservices, Background Services, and Worker Services.Expertise on backend services with async programming & Memory managementBuild domain-centric business logic with Clean Architecture.Use SOLID principles, Design pattern and Command patterns for loosely coupled code.Preferred to have experience with event-driven workflows using message queues like (RabbitMQ, Azure Service Bus, Kafka).Create reusable SDK, Libraries for internal services consumption. Experience resolving code smells, vulnerabilities, and application security flaws.

Data & Persistence Layer

Use Entity Framework Core and/or Dapper to implement efficient, secure data access strategies.Work with SQL Server, PostgreSQL, or NoSQL solutions like MongoDB or Redis.Optimize database performance with indexing, query tuning, and connection pooling.

Testing & Observability

Write unit test cases for better test coverage .Working experience with Splunk (logging), AppDynamics, JSON/XML,  Caching, Performance Analysis & Profiling,

Cloud, DevOps, and CI/CD

Containerize services using Docker and deploy to Kubernetes or Azure Container Apps.Design and maintain CI/CD pipelines with Azure DevOps, GitHub Actions, or GitLab.Good to have experience on IaC tools (Terraform, Bicep, ARM) to provision infrastructure.Experience with source code repositories tools, Bitbucket, GitHub.

Front-End Experience with React

Hands-on knowledge and experience with developing enterprise-level web applications  with a strong focus on ReactJSUnderstanding of NextJS ,Node.js development and debugging toolsExperience with CDD based UI development.Knowledge of JavaScript, CSS, HTML, and jQueryExperience consuming REST APIs using Fetch, Axios, etc. and asynchronous data handlingIntegrate with backend APIs using token-based auth (JWT/OAuth2).Implement state management via NgRx, Redux, or Context API.Experience with both CSR & SSR Experience with maintaining web vitals .

Leadership & Managerial Responsibilities

Lead technical design discussions, define service boundaries, and maintain architecture documentation.Review code for quality, performance, and maintainability; enforce best practices across teams.Mentor team members on C#/.NET Core, system design, and debugging complex distributed systems.Participate in sprint planning, backlog grooming, and agile ceremonies.Collaborate with product managers, QA, DevOps, and stakeholders to ensure timely and high-quality delivery.

Required Skills & Experience

5-10 years of software development experience, with at least 3-4+ years focused on microservices in C# and .NET Core.Deep understanding of C# language internals, memory management, async/await, parallelism, and diagnostics.Experience building microservices and APIs.Hands-on with Docker, Kubernetes, cloud-native development (Azure, AWS).Expertise in unit testing, mocking frameworks, and observability tools.

Preferred Qualifications

Experience in event-driven architectures, distributed transactions.Familiarity with gRPC and API versioning strategies.Experience working in regulated or high-security industries (e.g., finance, healthcare).Location:

This position can be based in any of the following locations:

Chennai

Current Guardian Colleagues: Please apply through the internal Jobs Hub in Workday