Andrea De Tomasi
Available for freelance projects

Andrea De Tomasi

Cloud Architect & DevOps Engineer

Cloud Architect and DevOps Engineer focused on scalable, secure, and maintainable infrastructures. I transform complex problems into simple solutions following the KISS principle. Passionate about automation, cost optimization, and cloud security.

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About Me

Personal Information

Location

Vicenza, Veneto, Italy

Status

Available for freelance projects

Core Skills

AWSOCIKubernetesECSEKSTerraformAWS CDKAnsibleGitLab CIGrafanaCloudWatchZabbixTypeScriptPythonFinOpsIoT MQTTLangChainRAG

Work Experience

January 2025 - Present

Cloud Architecture Consultant

Freelance

Design and implementation of scalable cloud infrastructures with focus on cost optimization and security.


•Achieved 30-50% AWS cost reductions through FinOps implementations and autoscaling
•Conducted cloud architecture security audits identifying critical vulnerabilities
•Implemented monitoring systems preventing downtime through proactive alerting
•Designed cloud solutions with Terraform and DevOps automation

Tech: AWS, Terraform, FinOps, Security Auditing, Monitoring
January 2025 - January 2026

Cloud Architect

Icaro

End-to-end cloud infrastructure design for IoT product handling thousands of devices.


•Built AWS IoT infrastructure with MQTT, Timestream, and Firehose for device data ingestion
•Configured Grafana dashboards with Athena for large-scale time-series queries on S3
•Designed complete AWS infrastructure: Networking, RDS, ECS, Load Balancing, RBAC
•Developed GitLab CI/CD pipelines for automated testing and deployment
•Implemented autoscaling, backup strategies, and comprehensive monitoring

Tech: AWS IoT Core, MQTT, Timestream, Athena, Grafana, Terraform, GitLab CI, Node-Red
January 2024 - January 2025

Cloud & AI Engineer

Technology Reply

Multi-cloud infrastructure management and AI/ML solution development.


•Managed Oracle Cloud environments with Terraform and Kubernetes (4 environments)
•Built observability platform for ~1,000 servers using Zabbix and EasyVista
•Developed RAG chains with LangChain integrating documentation and email history
•Created Q/A bot with OpenAI-compatible APIs on GPU for enhanced privacy
•Evaluated and implemented log management solutions (Datadog, Grafana, Elastic)

Tech: OCI, Kubernetes, Terraform, LangChain, RAG, OpenAI APIs, Zabbix, GitLab CI
March 2023 - January 2024

Backend Developer / Cloud Engineer

2hire

Full-stack cloud infrastructure and backend development with IoT integration.


•Managed AWS infrastructure with CDK (ECS, EC2, S3, Timestream)
•Built TypeScript backend services and RESTful APIs
•Implemented MQTT data pipeline from IoT devices to AWS Timestream
•Configured monitoring with Grafana, CloudWatch, and Prometheus
•Developed log compression system on Google Cloud with Elastic

Tech: AWS CDK, TypeScript, IoT MQTT, Timestream, Grafana, Prometheus, Elastic

Education

Master's Degree in Cloud and Network Infrastructure

Technische Universität Berlin

2022 - 2023

Cloud computing, Kubernetes, Ansible, AWS, Blockchain prototyping on Tezos Layer 2

Master's Degree in Cloud and Network Infrastructure

Université de Rennes 1

2021 - 2022

Microservices, Distributed systems, Concurrent programming (OpenMP, MPI, CUDA)

Bachelor's Degree in Computer Science

Università di Padova

2018 - 2021

Computer Science and Software Engineering fundamentals

Featured Projects

Blockchain Layer 2 with Zero-Knowledge Rollups

Master's thesis: Designed and implemented a Layer 2 solution for Tezos blockchain using zero-knowledge rollups. Achieved 99% reduction in L1 transaction costs through custom smart contracts and rollup verification.

BlockchainTezosZero-Knowledge ProofsSmart ContractsLayer 2

AWS IoT Infrastructure for Device Metrics

Complete IoT infrastructure for thousands of devices. Built data ingestion pipeline with AWS IoT Core, MQTT, and Timestream. Implemented large-scale visualization using Grafana and Athena for time-series queries on S3.

AWS IoT CoreMQTTTimestreamFirehoseAthenaGrafanaS3Node-Red

RAG-based Q/A Bot with LangChain

Intelligent Q/A bot using Retrieval-Augmented Generation on customer incident history. Deployed with OpenAI-compatible APIs on GPU cloud for enhanced privacy and performance. Integrated documentation and email history.

LangChainRAGOpenAI APIsPythonGPU ComputingNLP

Multi-Environment Oracle Cloud Infrastructure

Managed OCI environments with Terraform and Kubernetes across 4 environments. Built GitLab CI/CD pipelines for automated infrastructure deployment. Implemented observability for ~1,000 servers with Zabbix.

OCITerraformKubernetesGitLab CIZabbixEasyVista Observe

Download My CV

Get a comprehensive overview of my experience, skills, and achievements in a downloadable PDF format.

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