Petr Mašek

Senior Cloud & Backend Engineer

Petr Mašek

Python / AWS

I design and build reliable cloud-native backends, data pipelines, and integrations — from proof of concept to production.

About Me

Hi, I'm Petr Mašek — a senior backend and cloud engineer with 20+ years of software development experience and 5+ years focused on Python and AWS.

I specialize in designing and implementing cloud-native systems built around AWS Lambda, Step Functions, event-driven architectures, and data processing pipelines.

I'm used to working in international teams, communicating in English on a daily basis, and delivering production-ready solutions for enterprise environments.

What I Do

Cloud-native Backend Development

Design and implementation of scalable backends using AWS Lambda, Step Functions, S3, DynamoDB / RDS, OpenSearch, and event-driven patterns.

Data Processing & Integrations

Processing large JSON datasets, building validation pipelines, integrating third-party systems, and exporting structured outputs.

Proof of Concepts & Short-term Projects

Rapid prototyping and focused backend projects where clarity and speed matter.

Enterprise & Legacy Systems

Background in Java backends, Kubernetes tooling, and long-running enterprise systems.

Tech Stack

Languages

Python Java Go

Cloud

AWS Lambda Step Functions S3 DynamoDB RDS OpenSearch IAM

Data & Integrations

JSON CSV APIs SharePoint Security & Compliance Tooling

Infrastructure & DevOps

Kubernetes Docker CI/CD Infrastructure as Code

Other

Event-driven Architectures Cloud Security Awareness Enterprise Environments

How I Work

I prefer clear ownership, pragmatic communication, and technically sound solutions. I'm comfortable working independently or as part of a distributed team, and I value projects where engineering quality and reliability matter.

Get in Touch

If you're looking for a senior backend engineer for a cloud, data, or integration-focused project, feel free to get in touch.