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Hi, I'm Kumar Raja Puvvalla 👋

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🧑‍💻 Profile Summary

DevOps & Platform Engineer with 3+ years of experience designing, automating, and operating cloud infrastructure across AWS, Azure, and GCP. Proven track record delivering CI/CD pipelines, container platforms, and Infrastructure as Code in enterprise environments spanning financial services and healthcare technology. Passionate about building resilient, production ready cloud systems that balance speed, security, and operational excellence.

  • 🏢 Currently: DevOps Engineer — Cloud Native AI SaaS on AWS EKS
  • 🏦 Previously: Azure DevOps Engineer — Major UK Banking Transformation
  • 🏥 Previously: DevOps Engineer — Medical Technology, Regulated Healthcare
  • 📍 Based in Glasgow, Scotland, UK
  • 🎓 MSc Computer Science — University of Hertfordshire, UK
  • 💼 Open to DevOps / Platform Engineering / SRE roles (UK & Remote)

🏢 Work Experience

🚀 Tech Nxt Gen, UK — DevOps Engineer (Dec 2024 – Present)

Cloud Native AI SaaS Platform on AWS EKS

Achievement Impact
Architected production AWS EKS platform (multi-AZ, ALB ingress, HPA) 99.9% uptime maintained
Optimised CI/CD pipelines with SonarQube & Semgrep security scanning 45% reduction in release lead time
Rationalised CloudWatch alerting with severity tiers 85 alerts/week → 11 actionable alerts
Improved incident mean time to acknowledge 22 min → 4 min MTTA
IAM least-privilege + CloudTrail + Config compliance Critical security audit resolved in 9 days
Instance rightsizing, S3 lifecycle policies, zombie resource cleanup 10% AWS cost reduction

🏛️ PwC Information Technology, UK — Azure DevOps Engineer (May 2023 – Nov 2024)

Large-Scale UK Banking Migration — On-Premise to Microsoft Azure

Achievement Impact
Standardised CI/CD pipelines across 6 delivery teams (YAML templates) 30% reduction in deployment failures
AKS VMSS auto-scaling agents + shared Docker layer caching 140 min → 12 min pipeline queue time
Migrated Service Connections to Workload Identity Federation (OIDC) Zero auth-related pipeline incidents over 9 months
Rebuilt monitoring — Azure Monitor & Log Analytics 340 alerts → 142 actionable signals (+40% faster response)
Resolved Azure Service Bus DLQ backlog 4,847 failed transactions recovered with schema governance
Developer environment automation (Databricks, AKS, SQL, Data Factory) 26% faster developer onboarding

🏥 Elekta, UK — DevOps Engineer (Aug 2022 – Apr 2023)

Medical Technology Platforms — Regulated Healthcare Environment

  • Built and maintained CI/CD pipelines (Jenkins, Azure DevOps) for oncology platform components
  • Provisioned cloud infrastructure on AWS & Azure using Terraform and CloudFormation
  • Containerised application components using Docker + Kubernetes (Helm)
  • Developed Ansible playbooks for server configuration and environment automation
  • Implemented CloudWatch monitoring for proactive incident detection
  • Administered Linux (Ubuntu) systems — patching, performance monitoring, deployment support

🛠️ Tech Stack

☁️ Cloud Platforms

AWS Azure GCP

🏗️ Infrastructure as Code

Terraform Ansible CloudFormation ARM

🐳 Containers & Orchestration

Kubernetes Docker Helm ArgoCD

⚙️ CI/CD & DevOps

GitHub Actions Azure DevOps Jenkins SonarQube

📊 Observability & Security

Prometheus Grafana CloudWatch ELK

💻 Languages & Scripting

Python Bash PowerShell YAML


🏆 Key Projects

☁️ Production EKS Platform

Jan 2025 – Present @ Tech Nxt Gen

Full AWS production platform built from scratch with Terraform. Multi-AZ VPC, EKS with ALB ingress, HPA auto-scaling, IAM IRSA per workload. GitOps via ArgoCD with Helm chart versioning and canary rollout. End-to-end GitHub Actions pipeline with SonarQube + Semgrep security scanning.

Stack: AWS EKS · Terraform · GitHub Actions · ArgoCD · Helm · SonarQube · CloudWatch · IAM

🏦 Pipeline Standardisation & Agent Autoscaling

May 2023 – Nov 2024 @ PwC UK

Standardised CI/CD framework across 6 delivery teams. Replaced static 12-agent pool with Terraform-managed Azure VMSS (4 idle → 40 peak) and shared Docker layer caching. Migrated all Service Connections to Workload Identity Federation. Queue time: 140 min → 12 min.

Stack: Azure DevOps · Terraform · VMSS · AKS · GitHub Actions · OIDC/WIF

🛡️ Insurance Cloud Platform (GCP)

Jan 2026 – Present · Personal Project

Full insurance backend on GCP from scratch. VPC with layered subnets, default-deny firewall, Cloud NAT, Cloud Run REST API → private Cloud SQL via VPC Access Connector, all secrets injected from Secret Manager at runtime. Dialogflow CX chatbot + serverless ETL pipeline + BigQuery reporting. Azure DevOps canary deployment pipeline.

Stack: GCP · Cloud Run · Terraform · Azure DevOps · Dialogflow CX · BigQuery · FastAPI · Python

🏥 IaC Adoption at Elekta

Sep 2022 – Apr 2023 · Healthcare Tech

Migrated manual environment setup to Terraform-managed AWS and Azure infrastructure. Built reusable modules for VPC, Kubernetes clusters, and database tiers enabling repeatable deployments across dev, staging, and production. Eliminated configuration drift through peer-reviewed, version-controlled IaC changes.

Stack: Terraform · CloudFormation · AWS · Azure · Kubernetes · Helm · Git


📈 GitHub Stats


🎯 Core Competencies

Domain Skills
Cloud Platforms AWS (ECS, EKS, Lambda, IAM, VPC, S3, EC2, ALB, RDS, CloudTrail, Config) · Azure (VNet, AKS, AD, Key Vault, Monitor, Log Analytics, Service Bus, Databricks) · GCP (Cloud Run, Functions, SQL, BigQuery, Dialogflow)
CI/CD & Automation GitHub Actions · Azure DevOps · Jenkins · ArgoCD · GitOps · YAML Pipelines · Workload Identity Federation (OIDC)
Infrastructure as Code Terraform (modules, state management, version pinning) · Ansible · CloudFormation · ARM Templates
Containers & K8s Kubernetes (EKS, AKS) · Docker · Helm · VMSS Agent Autoscaling · HPA · ALB Ingress · Canary Deployments
Security & Compliance IAM least-privilege · IRSA · RBAC · SonarQube · Semgrep · Secrets Manager · DevSecOps · CloudTrail · AWS Config
Observability CloudWatch (dashboards, severity tiers) · Prometheus · Grafana · ELK Stack · Azure Monitor · Log Analytics
Sectors Financial Services (PwC UK Banking · FCA regulated) · Healthcare Technology (Elekta · Medical Devices) · AI SaaS

🎓 Education

Degree Institution Location
MSc Computer Science University of Hertfordshire United Kingdom
BSc Computer Science JNTU Hyderabad India

🤝 Let's Connect

   

"From 140-minute pipeline queues to 12 minutes. From 85 weekly alerts to 11 actionable ones. That's the DevOps impact I deliver."

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  1. aws-ai-saas-devops aws-ai-saas-devops Public

    DevOps Engineering Portfolio - AWS EKS, Terraform, GitHub Actions, Kubernetes (production experience)

    HCL

  2. pwc-azure-banking-devops pwc-azure-banking-devops Public

    Azure DevOps Engineer Portfolio - UK Core Banking Transformation, AKS, Terraform, FCA compliance

    HCL

  3. insurance-cloud-portfolio insurance-cloud-portfolio Public

    Enterprise GCP + Azure insurance platform built with Terraform, Cloud Run, Dialogflow CX and Azure DevOps CI/CD

    HCL

  4. insurance-platform insurance-platform Public

    Dockerfile

  5. kumar-raja-portfolio kumar-raja-portfolio Public

    Personal portfolio website - Kumar Raja Puvvalla

    TypeScript