Hello,

I'm Maciej

Quality Assurance & DevOps Specialist

Passionate about building robust testing frameworks, automating workflows, and delivering high-quality software through modern DevOps and QA practices. Experienced in functional, security, performance and benchmark testing of database, UI, and API applications, with a proven track record of leading QA and DevOps team to set new standards for quality.

PythonAWSGrafanaPrometheusDockerKubernetesCI/CDTerraformAnsibleSQLAPIUI

Recipe generating web and mobile application

Application generating recipes with images based on user filters through API calls to OpenAI

JavaScript/TypeScriptVercelOpenAIAWS LambdaDynamoDBAPI GatewayS3Elasticsearch

Weaviate - Vector database testing framework

Developed a testing framework for Weaviate, using Kubernetes, Python, Grafana and Prometheus covering functional and non-functional testing with benchmark optimization examples

PythonKubernetesGrafanaPrometheus

AWS IaC setup project

AWS DevOps stack that provisions a VPC with two private EC2 instances via Terraform—one running K3s, Prometheus and Grafana for monitoring, the other (optional) running PostgreSQL—then configures everything with Ansible over AWS SSM, enabling secure, cross-instance metric scraping and automated secrets management.

TerraformAnsibleAWS (EC2, VPC, SSM, ALB)K3sPrometheusGrafanaPostgreSQLHelm

API testing framework

Framework capable of deploying API instance and running tests against it. Developed in two versions, Python and Rust

PythonRustDockerAPI

PostgreSQL test automation framework

Framework capable of deploying PostgreSQL instance and running tests against it.

PythonDockerPostgreSQL

UI custom testing libraries

Created custom Selenium libraries written in Python, JS and C#

PythonJavaScriptC#Selenium