Job Title

• Consultant IT – C# / .NET & React Developer (Full Stack)
• Experience: 10+ Years
  Location: Hybrid
  Employment Type: Full-Time

Role Summary

• 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
• 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)

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

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