Ajay M.-Platform Engineering Architect · Senior Cloud Engineer
Check rate
Experience
Platform Engineering Architect
Hundertserver GmbH
- Architecting managed Kubernetes platforms for 150+ enterprise clients across the energy, logistics, automotive, and public sectors.
- Designed OCaaS: Kubernetes-native multi-tenant SaaS for AI assistants, with namespace-per-tenant isolation, dual-tier LLM inference, and automated tenant lifecycle management.
- Designed Chronos, Kafka as a Service on Strimzi with hybrid tenancy (shared and dedicated tiers); authored the platform RFC.
- Built multi-cluster GitOps (Flux CD, Helm, Kustomize); changes validated on ephemeral k3d clusters with Renovate + GitLab CI auto-merge.
- Architected Argus: correlated OTeI traces, logs and metrics (LGTM stack).
- Migrated secrets from HashiCorp Vault to OpenBao; built a Kyverno policy framework for RBAC automation and cross-namespace secret synchronisation.
- Built Salar: node patching and cluster upgrades with Uyuni + SaltStack.
- Built platform storage with Ceph and SeaweedFS; migrated object storage from MinIO.
- Client delivery: OTeI observability and Datadog SAML for a global cultural institute; Galera/PXC incident response for a SaaS provider.
Senior Cloud Engineer
idealo internet GmbH
- Migrated business-critical workloads from on-prem to AWS (EKS, ECS Fargate, VPC); owned multi-tenant cluster lifecycle, RBAC and Cilium isolation.
- Led IaC with Terraform and AWS CDK; standardised the module library and enforced GitOps via ArgoCD across 20+ engineering teams.
- Built shared Renovate presets (packageRules, grouping, schedules, automerge, minimumReleaseAge); Dependency Dashboard and CI validation.
- Ran self-hosted Renovate: global vs repo config, sharded autodiscovery, hostRules, repository cache, force / inheritConfig / onboardingConfig.
- Designed an OTeI → OTeI Collector → Datadog/LGTM distributed tracing platform; OTLP-first telemetry, W3C trace-context.
- Led the Rancher-to-EKS migration; ran Kafka-as-a-Service (Strimzi/KRaft); authored a multi-tenant isolation RFC.
Cloud Platform Engineer
Scout24 Group
- Built Terraform AWS platform modules used by 20+ teams; Jenkins and GitHub Actions pipelines; migrations to ECS and early Kubernetes.
DevOps Engineer (Working Student)
eBay
- Automated deployments (Python, Jenkins, Ansible); OpenStack upgrades.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Real Estate, Retail, Arts and Crafts, Automotive, and Energy.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
Platform engineering architect with 9+ years of experience building Kubernetes and AWS platforms used by other teams and customers. Currently designing productised platforms at Hundertserver for 150+ enterprise clients, including OCaaS (multi-tenant AI assistant SaaS) and Chronos (Kafka as a Service on Strimzi), from RFC to production. Previously at idealo: migrated business-critical workloads to EKS and established IaC, GitOps and dependency automation standards for 20+ engineering teams. Strengths: multi-tenant isolation, OpenTelemetry observability, secure-by-default platforms (Kyverno, OpenBao, Cilium), and Kubernetes Operators in Go.
Skills
Iac / Gitops
- Terraform
- Aws Cdk
- Pulumi
- Flux Cd
- Argocd
- Helm
- Kustomize
- Renovate
Kubernetes
- Eks
- Ecs Fargate
- K3d
- Strimzi
- Cilium
- Istio
- Operators (Go)
Observability
- Opentelemetry
- Pronetheus
- Grafana
- Loki
- Tempo
- Datadog
- Victoriametrics
- Slos / Error Budgets
Security
- Openbao
- Vault
- Kyverno
- Keycloak
- Saltstack
- Uyuni
Storage / Virtualisation
- Ceph / Rook
- Seaweedfs
- Proxmox Kvm
Cloud / Ci
- Aws
- Gitlab Ci
- Github Actions
- Python
- Bash
- Go
Saas / Arch
- Multi-Tenant Saas
- Llm Platforms
- Namespace Isolation
Languages
Education
TU Berlin
MSc · Computer Science · Berlin, Germany
Visvesvaraya Technological University
BE · Information Science · India
Certifications & licenses
AWS Cloud Financial Management for Builders
Architecting on AWS
Cilium Cluster Mesh
Cilium Network Policies
LFS250: Kubernetes & Cloud Native Essentials
Running Containers on Amazon EKS
Terraform for AWS
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Ajay is based in Berlin, Germany.
Ajay speaks the following languages: English (Advanced), German (Elementary).
Ajay has at least 9 years of experience. During this time, Ajay has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 4 months. Note that Ajay may not have shared all experience and actually has more experience.
Based on recent experience, Ajay would be well-suited for roles such as: Platform Engineering Architect, Senior Cloud Engineer, Cloud Platform Engineer.
Ajay's most recent position is Platform Engineering Architect at Hundertserver GmbH.
In recent years, Ajay has worked for Hundertserver GmbH, idealo internet GmbH, and Scout24 Group.
Ajay is most experienced in industries like Information Technology, Retail, and Real Estate. Ajay also has some experience in Arts and Crafts, Automotive, and Energy.
Ajay is most experienced in business areas like Information Technology and Product Development.
Ajay has recently worked in industries like Information Technology, Real Estate, and Arts and Crafts.
Ajay has recently worked in business areas like Information Technology and Product Development.
Ajay holds a Master in Computer Science from TU Berlin and a Bachelor in Information Science from Visvesvaraya Technological University.
Ajay has 7 certificates. Among them, these include: AWS Cloud Financial Management for Builders, Architecting on AWS, and Cilium Cluster Mesh.
Ajay is immediately available part-time for suitable projects.
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 3 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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