We are seeking an accomplished Senior Lead C# / .NET Core & React Full Stack Developer with strong expertise in microservices, distributed systems, and modern front-end frameworks.
This role requires end-to-end ownership across the delivery lifecycle, including design, development, deployment, and production stability, while leading a cross-functional team to deliver scalable, high-performance solutions.
The ideal candidate combines deep technical expertise with strong leadership capabilities, driving engineering excellence, production support maturity, and AI-led innovation.
Key Responsibilities
End-to-End Ownership & Delivery
Own the complete application lifecycle: design, development, testing, deployment, and production support
Ensure high availability, scalability, and reliability of systems
Drive release readiness, deployment governance, and post-release warranty support
Maintain accountability for delivery commitments, quality, and timelines
Backend Development – C# & .NET Core
Architect and develop service-oriented applications using C# and .NET Core
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Design scalable microservices, background, and worker services
Implement async programming, performance tuning, and memory optimization
Apply Clean Architecture, SOLID principles, and domain-driven design
Build reusable SDKs and internal libraries
Develop event-driven systems using Kafka, RabbitMQ, or Azure Service Bus
Identify and resolve performance issues, code smells, and security vulnerabilities
Data & Persistence Layer
Implement efficient data access using Entity Framework Core and/or Dapper
Work with SQL (SQL Server, PostgreSQL) and NoSQL (MongoDB, Redis)
Optimize performance via indexing, query tuning, and caching strategies
Testing, Observability & Performance
Drive unit testing and code coverage improvements
Implement monitoring using Splunk, AppDynamics, etc.
Perform performance profiling and proactive system tuning
Ensure strong observability for faster RCA and incident resolution
Cloud, DevOps & CI/CD
Containerize applications using Docker and deploy on Kubernetes/Azure
Own CI/CD pipelines (Azure DevOps, GitHub Actions)
Leverage Infrastructure as Code (Terraform, Bicep, ARM)
Drive DevOps best practices, automation, and release efficiency
Front-End Development – React / NextJS
Develop enterprise-grade UI using ReactJS with strong UX practices
Work with NextJS (SSR/CSR) and Node.js ecosystem
Implement state management (Redux/Context API)
Integrate APIs using JWT/OAuth2 authentication
Optimize performance and improve web vitals
Leadership, Team Ownership & Governance
Own end-to-end team accountability for delivery, quality, timelines, and stability
Lead a cross-functional team (Backend, Frontend, QA, DevOps)
Drive capacity planning, workload distribution, and optimization
Act as single point of accountability for stakeholder alignment
Build a culture of ownership, accountability, and engineering excellence
Mentor and coach team members for high performance and growth
Drive adoption of best practices, coding standards, and quality gates
Lead Agile ceremonies: sprint planning, backlog grooming, estimation
Track and improve engineering metrics (velocity, quality, automation, code coverage)
Production Support & Stability Ownership
Own production support model, on-call rotations, and escalations
Lead incident management, RCA, and preventive actions
Ensure quick resolution with minimal business impact
Drive continuous improvements for system resilience and stability
Monitor application health, performance, and customer experience metrics
AI / Intelligent Systems (Preferred)
Working knowledge of AI/ML and Generative AI concepts
Experience integrating Azure OpenAI, Cognitive Services, or similar
Understanding of LLMs, prompt engineering, embeddings, vector search
Exposure to building AI-driven features (chatbots, automation workflows)
Collaborating with data teams for AI integration in microservices architecture
Ensure responsible AI practices and governance
Leverage AI tools for developer productivity and automation
Required Skills & Experience
10+ years of experience in software development with strong focus on C# / .NET Core
4+ years of experience in microservices architecture
Strong expertise in distributed systems, async programming, and diagnostics
Hands-on experience with Docker, Kubernetes, and Azure/AWS
Experience with testing frameworks, observability, and performance tuning
Preferred Qualifications
Experience with event-driven architectures and distributed transactions
Familiarity with gRPC and API versioning strategies
Experience in regulated industries (Finance / Insurance / Healthcare)
Location:
This position can be based in any of the following locations: Gurgaon Current Guardian Colleagues: Please apply through the internal Jobs Hub in Workday
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