Arunkumar Agaram Selvaraj

Cloud Solution Architect @Cognizant

Leeds, GB

Solutions Architect | Azure Cloud | API Integration |.NET & Microservices | AI-Driven Innovation | Cloud-Native Strategy Leeds, UK Key Responsibilities Led architecture and migration of 50+ enterprise applications to Azure PaaS, delivering scalable and resilient solutions for global clients. Designed secure cloud environments in alignment with PCI-DSS, HIPAA, and GDPR compliance standards. Architected and delivered cloud-native solutions for major programs, including DLL Alfa rollout, AXA MTTC, and Christies Digitalization. Implemented Azure API Management, App Gateway, Key Vault, OAuth 2.0, and secure API patterns to enable seamless and reusable enterprise integrations. Designed and developed enterprise-grade APIs using Azure Functions.NET Core, and REST/SOAP protocols, ensuring interoperability across platforms. Automated and optimized CI/CD pipelines with Azure DevOps and GitHub Actions, reducing deployment time by 40% and improving uptime to 99.99%. Spearheaded containerization strategies using Docker and Kubernetes, along with BICEP and ARM templates for IaC provisioning. Established robust monitoring, telemetry, and diagnostics with Application Insights and Log Analytics, driving proactive performance tuning. Provided architectural governance, technical leadership, and code reviews across distributed Agile teams (10+ engineers in UK & offshore). Integrated critical third-party platforms using API-first approaches and event-driven architecture, accelerating time-to-market. Key Achievements• Reduced deployment cycles by 40% and increased release reliability via DevOps automation.• Designed and delivered secure, reusable APIs that became enterprise-wide integration standards.• Migrated large-scale legacy applications to Azure microservices, enhancing performance and cost efficiency.• Mentored cross-location engineering teams, driving technical excellence and delivery velocity.