Experience

Experience & programmes

Every role blends architecture, delivery leadership, and a bias for measured outcomes.

2025 — PresentKöln, Germany

Infrastructure Consultant & AI Platform Steward

Thoughtworks · XConf AI Assistant

Stabilise the multi-LLM assistant showcased across conferences and executive demos.

▹Hardened the edge with AWS WAF, CloudFront, and zero-trust VPC segmentation in under six weeks.
▹Built a release runway with chaos experiments, golden signals, and automated rollbacks for FastAPI services.
▹Optimised Bedrock/OpenAI orchestration to keep median response time <1.2s while adding new skills.

AWS WAFCloudFrontECS FargateBedrockOpenAIFastAPIOpenTelemetry

Aug 2023 — Sep 2025Köln, Germany

Thoughtworks · Mercedes-Benz

Modernise the automotive cloud platform without disrupting 20+ customer-facing services.

▹Migrated the entire EKS estate, RDS fleet, and 20+ microservices with zero downtime and $1M annual savings.
▹Managed and stabilized Kubernetes clusters (EKS), debugging and resolving production issues, ensuring high availability and performance.
▹Configured Karpenter for node autoscaling, optimized pod scheduling, and implemented HPA/VPA for workload scaling.
▹Moved monitoring to Datadog, defined SLAs, and cut incident detection time by 40%.
▹Productised Terraform + GitHub Actions blueprints so app teams could self-serve environments in <30 minutes.

KubernetesAWS EKSKarpenterTerraformGitHub ActionsDatadogVaultHelm

Feb 2022 — Aug 2023Köln, Germany

Thoughtworks · Mercedes-Benz

Establish secure hybrid connectivity and CI/CD automation spanning on-prem and AWS.

▹Designed Transit Gateway, Direct Connect, and VPC endpoints for private communication to factories.
▹Built GitHub Actions + Terraform pipelines with Helm-managed ingress and cert automation.
▹Integrated HashiCorp Vault, custom auth flows, and proactive cert/monitoring alerts.

Transit GatewayDirect ConnectTerraformGitHub ActionsHelmVault

Sep 2017 — Jan 2022Köln & Chennai

Infosys · Global Enterprises

Guide airlines, telecom, and mobility clients through large-scale AWS migrations.

▹Designed multi-account AWS landing zones with Terraform/Terragrunt and policy-as-code.
▹Implemented CI/CD with TeamCity, AWS CodePipeline, and Ansible—reducing manual effort by 40%.
▹Integrated Datadog, AppDynamics, and EFK pipelines for proactive operations.

AWS ECS/EKSTerraform/TerragruntTeamCityCodePipelineAnsibleDatadog

Sep 2009 — Sep 2017Chennai, India

Cognizant Technology Solutions

Ship reliable backend services for education and media clients while evolving towards cloud-native delivery.

▹Led migration of legacy Java services into containerised workloads and introduced automated quality gates.
▹Standardised release pipelines and monitoring playbooks, improving release stability for global teams.
▹Mentored engineers on DevOps adoption, paving the path for later AWS-focused engagements.

Java/SpringOracleJenkinsDockerELK

★Design for calm operations—observability, SLOs, and playbooks before we scale features.
★Automate trust: guardrails, policy-as-code, and reusable modules should be the default, not an afterthought.
★Coach teams to own the platform; my job is to make myself progressively less critical for day-to-day work.