Hello, I'm Mireno De Giorgio

Lead Platform Engineer · Cloud platform engineer & full-stack web developer

Nine years building AWS and Kubernetes platforms, Terraform tooling and full-stack web apps.

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Personal Statement

I'm a Lead Platform Engineer and Developer based in Cambridge, UK, with nine years of experience across AWS, Azure, and infrastructure technologies. I build internal tools, developer platforms, and full-stack solutions. Passionate about productivity and lifelong learning, I'm always exploring new ways to grow and stay ahead in tech.

Work Experience

Lead Platform Engineer | Capgemini | London, UK

Dec 2024 - Present

I'm a Lead Platform Engineer for a public sector client.

Senior Platform Engineer | Capgemini | London, UK

Jan 2023 - Dec 2024

I'm part of the Platform Engineering BU. We mainly work with the Public Sector, delivering new solutions and maintaining existing ones.

Senior Platform Engineer | IMGARENA | London, UK

Feb 2021 – Jan 2023

At IMGARENA, I was part of the Platform team. We were responsible for building and maintaining the shared platform (EKS) that the development teams use.

Full-Stack Developer | Freelancer | London, UK

Nov 2019 - Nov 2020

The focus was on a self-funding project to develop a new learning application using TypeScript, React, Redux, Electron, and CouchDB.

System Engineer III - Cloud Engineer | Tesco Technologies | London, UK

Jun 2019 - Nov 2019

I was a member of Tesco's CPE (Cloud Platform Engineering) team, which manages its AWS and Azure platforms. Our focus was on helping customers migrate from AWS to Azure.

Lead System Administrator | Kaplan International | London, UK

Aug 2017 - Jun 2019

As a Lead System Admin, I created a team roadmap that aligns with the business goal. I also took an important role in deciding which technologies to use and how to execute critical projects.

Earlier Roles

System Administrator | Kaplan International | London, UK

Feb 2016 - Aug 2017

2nd Line Support Engineer | Kaplan International | London, UK

Aug 2015 - Feb 2016

1st Line Support Engineer | Kaplan International | London, UK

April 2014 – Aug 2015

Skills

Cloud

AWS

Expert
IAM, VPC, EKS, ECR, ECS, EBS, EC2, RDS, S3, CloudFront, Lambda, Step Functions, DynamoDB, SNS, SQS, KMS, SES, API Gateway, CloudWatch, EventBridge etc. Experience working with multi-region deployments.

IaC

Terraform

Expert
Experience creating complex modules, working with multiple Terraform providers (AWS, GCP, OKTA, Checkly, Vault, Artifactory, Gitlab, etc), delivering complex Terraform flows using tools like Terragrunt.

CloudFormation

Expert
I have hands-on experience with AWS CloudFormation, including designing and maintaining complex templates, StackSets, nested stacks, custom resources and AWS SAM for serverless applications.

Kubernetes

Kubernetes

Expert
Creating, managing and supporting multi-cluster environments using AWS EKS.

Kubernetes Ecosystem

Expert
Argo CD, Valero, Traefik, AWS Load Balancer controller, GitHub Runner Controller, Keda, Polaris, Kubecost, Kind, K3d etc. Packaging and managing applications with Helm.

Kubernetes Monitoring

Expert
Prometheus, Thanos, Loki, Promtail, Tempo, Grafana, Alertmanager.

CI/CD

GitHub Actions

Proficient
Creating complex Pipelines. Creating custom actions.

GitLab Pipelines

Advanced
Creating complex pipelines using GitLab CI/CD. Creating dynamic pipelines. Experience with GitOps and CI/CD best practices.

Jenkins

Proficient
Creating complex Jenkins pipelines. Building pipeline libraries. Decommissioning Jenkins.

Configuration Management

Ansible

Proficient
Creating complex Playbooks for server configurations. Creating Ansible roles.

Scripting

Scripting

Advanced
Creating complex scripts using Python, Javascript, Bash, PowerShell. Creating CLI tools.

Programming Languages

Python

Advanced
Creating complex scripts using Python. Experience with Flask and Django, etc.

TypeScript

Advanced
Building type-safe applications and libraries. Experience with React, Node.js, and NextJS.

JavaScript

Advanced
Frontend and backend development with various frameworks and libraries including React, Node.js, and Express.

Go

Working knowledge
Development simple API parts of serverless applications. Knowledge in Go modules, goroutines, channels, and error handling.

Server Management

Linux Server

Expert
Managing and configuring Linux servers including Ubuntu, RHEL, and Amazon Linux. Experience with system administration, security hardening, performance tuning, and automation.

Windows Server

Proficient
Experience with Windows Server management, Active Directory, Group Policy, IIS PowerShell automation, etc. Managing and maintaining Windows server infrastructure.

AI Tools

Claude Code

Advanced
Using Anthropic's agentic coding CLI to plan, write, refactor and review code, automate infrastructure tasks and speed up day-to-day engineering workflows from the terminal.

Copilot CLI

Advanced
Using GitHub Copilot CLI to work with an AI agent directly in the terminal: generating commands and scripts, explaining code and automating repository tasks.