Curriculum vitae

Marcin Cuber

Principal Cloud Engineer & Lead Cloud Native Developer

London, United Kingdom · GitHub · LinkedIn · Medium · Stack Overflow

Profile

I turn complex cloud estates into secure, observable platforms that developers can use with confidence. My work spans hands-on engineering, architecture, technical leadership and the operating model around the platform.

Experience

Lead Cloud Native Developer

Capgemini

Combining hands-on engineering and technical leadership to build resilient, modern cloud-native systems for large-scale client environments.

Principal Cloud Engineer · DevOps Technical Lead

Dare

Led cloud-native engineering and platform direction, with an emphasis on secure AWS foundations, developer experience and high-quality operational practices.

DevOps Technical Lead

Limejump

Grew platform capability and helped establish enterprise AWS organisation and governance patterns.

Lead DevOps Engineer

uMotif

Led cloud infrastructure across multiple regions for a product operating in a regulated environment.

Cloud DevOps Engineer

News UK

Architected the organisation’s Amazon EKS environment and helped move production workloads from self-managed Kubernetes to a managed platform.

Software Engineer

The Times

Built software for a high-traffic digital news product before moving deeper into infrastructure and platform engineering.

Technical expertise

Cloud architecture

Multi-account AWS estates, landing zones, network boundaries and resilient multi-region design.

  • AWS Organizations & Control Tower
  • VPC, IAM, Route 53 & CloudFront
  • ECS, Lambda, RDS & event services

Kubernetes platforms

Production EKS architecture with controlled tenancy, capacity, upgrades and a coherent add-on lifecycle.

  • EKS, Karpenter & KEDA
  • Helm, operators & service mesh
  • Pod security & admission policy

Infrastructure & GitOps

Versioned, reviewable infrastructure and application delivery with small blast radii and reliable promotion.

  • Terraform module engineering
  • Bash automation
  • Argo CD, Flux CD & progressive delivery
  • GitHub Actions & GitLab CI

DevSecOps

Identity-first security, automated guardrails and software supply-chain controls embedded into delivery.

  • OIDC, ABAC, SCPs & permission boundaries
  • Vault, Secrets Manager & External Secrets
  • SBOM, signing, Trivy & policy as code

SRE & observability

Telemetry and reliability practices that turn production behaviour into actionable engineering feedback.

  • Prometheus, Grafana & New Relic
  • SLIs, SLOs & error budgets
  • OpenSearch, tracing & incident learning

Technical direction

Architecture strategy translated into standards, mentoring, pragmatic roadmaps and hands-on delivery.

  • Design reviews & decision records
  • Team growth & engineering standards
  • FinOps, risk and stakeholder alignment