Piotr Rzepkowski | DevOps & Cloud Engineer

work experience

Junior DevOps Engineer

MailMetrics

05/2023 - Present Achievements

Deploying and orchestrating microservice-based applications using Kubernetes and Helm in hybrid cloud environment
Provisioning and managing infrastructure on AWS using IaC approach with Terraform/Terragrunt
Creating custom dashboards in Datadog to track, analyze and display key performance metrics of various services
Performing maintenance and upgrades of core infrastructure resources such as databases (SQL & noSQL), storages, caches and message brokers
Administrating Linux based cloud- and on premise virtual machines (EC2, vSphere)
Developing and maintaining CI/CD pipelines for automated testing and deployment (Bitbucket pipelines, Terraform Cloud, ArgoCD, Atlantis)
Monitoring and troubleshooting both AWS and on premise environments, including log analysis and performance tuning

Junior DevOps Engineer

GlobalLogical Poland

02/2022 - 05/2023 Achievements

Developed over 10 automation tools (Python) for automotive infotainment system
Provided CI/CD workflows using Jenkins and GitLab CI
Helped migrate CI/CD Pipelines from Jenkins to GitLab CI
Supported Solution Architects in architectural decisions on CI/CD infrastructure by creating architecture diagrams (HLD/LLD)
Improved stability and robustness of production-critical workflows
Helped developers to focus more on developing new features by establishing automatic linting, unit tests and e2e tests as a part of continuous integration workflow
Collected logs and metrics related to the CI/CD workflow to look for areas of improvement

Associate Software Engineer

GlobalLogical Poland

07/2021 - 02/2022 Achievements

Designed and implementation of REST/WebSocket APIs on AWS API Gateway, compliant with OpenAPI specification
Modelled and design noSQL database schema, identifying access patterns and optimizing for fast queries
Containerized the web application backend services using IaC for Docker containers
Added federation support to customer-facing web collaboration applications using Amazon Cognito, as well as adding user sign-up and sign-in
Provided containerized infrastructure for video chat functionality for online collaboration application using WebRTC, Jitsi and Amazon Kinesis Video Streams

education

Bachelor's Degree in Computer Science

Maritime University of Szczecin

Szczecin, Poland

02/2018 - 07/2022

Thesis: Implementation of visual road line detection system based on a 3D camera

technical skills

Containerization & VMs:

Docker, Podman, Vagrant, vSphere, Kubernetes

Configuration management:

Ansible

Monitoring & Observability:

Datadog, CloudWatch

CI/CD:

Jenkins, GitLab CI, Bitbucket Pipelines, Atlantis, ArgoCD

Programming Languages:

Python, Groovy, Typescript

Cloud Infrastructure:

AWS

personal projects

Flask app in Kubernetes

Python, Kubernetes, Helm, EFK stack, MySQL

view on GitHub

Python app from Flask documentation, deployed in a local Kubernetes cluster.
Uses an external MySQL database to store stateful data
Deployed as a highly configurable Helm Chart
Contains a custom EFK Helm Chart to collect and visualize logs from cluster and application

YT Downloader

Python, CLI App

view on GitHub

Command line interface written in python for downloading youtube videos.
Supports downloading multiple videos asynchronously.
Includes testing, automation and dependency management

Sorting algorithms SPA

JavaScript, TypeScript, React (Redux, Router)

view on GitHub

Visualization of various sorting algorithms in real-time,
Includes time measurements and comparison between sorting methods.

certificates

AWS Certified Solutions Architect - Associate

09/2023 - 09/2026

PCAP - Certified Associate in Python

01/2020 - non-expiring

CPA - C++ Certified Associate Programmer

01/2020 - non-expiring