Welcome! My name is Aleksander and I am DevOps engineer. Building solutions that make everyday business better is my passion. I am always pragmatic about what I do.
Welcome! My name is Aleksander and I am DevOps engineer. Building solutions that make everyday business better is my passion. I am always pragmatic about what I do.
Single-node Kubernetes configuration for this server, where I host all my personal demos.
Prometheus monitoring setup for this cluster and my latop over OpenVPN connection.
Automated Terraform + Ansible setup for private web browsing in AWS. Fully functional, graphical remote desktop in minutes.
Simple Java function for converting images to grayscale, complete with Gradle setup + Terraform scripts.
Example of monitoring Kafka workers, implemented in Ruby, using Prometheus + Grafana, all in Docker.
Simple Java function for reversing audio files, inspired by TENET. Uses ffmpeg under the hood.
Multi-service system for video file conversion, connecting Kafka, S3 and FFmpeg together.
Selenium script for automatic trial-and-error checking of car history. Use with caution!
Pure Groovy implementation of popular 2048 game puzzle, playable through Linux telnet.
Building and supporting AWS infrastructure for running mortgage automation software, including configuration of cloud services and everyday maintenance.
Working with engineering and QA teams to create solutions that fit the current business context (comprehensive logging and metrics, finance-level security, performance).
Introducing and enforcing infrastructure-as-a-code (IaC) paradigms into everyday teamwork, using Terraform, Ansible, Jenkins Configuration as Code and other tools.
Design and constant improvement of fully automated software release process, involving QA, versioning, deployment and monitoring.
Planned and successfully performed application migration from on-premise ESXi infrastructure to cloud Kubernetes (OpenShift) managed service.
Introduced industry-standard DevOps practices, including full CI/CD, log aggregation, monitoring and metrics, using only Open Source solutions.
Developed backend of web application used to track employee work time. Single-handedly implemented integration with RFID attendance terminals located around the world.
Was responsible for provisioning, monitoring and everyday maintenance of production servers using Jenkins/Gitlab-CI, Icinga and standard Linux tools. Helped teams with CI/CD pipelines and automating deployments.
Implemented and took part in physical onsite realization of distributed field game system, using RabbitMQ and custom services running on Raspberry Pi and Windows PC fleet.
Took part in creating browser-based graphical editor to speed up and automate Android apps development, including integration with external media detection webservices.
Developed custom CMS solution providing centralized media datastore to a set of mobile 3D apps, implemented as proprietary WordPress plugin and backed by Grails webservice.