maciekdev

Full-stack software engineer — Python, Django, PostgreSQL, htmx, Docker, Celery, Redis, HTML/CSS/JS. Designed and implemented data integration between external and internal systems — async task workflows for inter-system synchronization, guaranteed data consistency, and role & permission management. Active contributor to 3 internal codebases; participated in code review process within the team. Designed, tested, and maintained secure backend and frontend code end-to-end — from system design through implementation, testing, and production deployment. GitLab CI/CD pipeline and environment maintenance.

Backend/low code development, data analysis — Python, SQL Server, PowerQuery, PowerBI, Selenium, Excel, MS PowerAutomate, HTML/CSS/JS. Developed and maintained internal low-code operational application — optimizing SQL queries, building data pipelines in Python, and extending both the operational app and data warehouse. Automated end-to-end reporting workflows, ensuring timely and accurate data delivery to the right stakeholders. Built internal tools and apps that streamlined operations and day-to-day work. Enabled data-driven decisions by creating interactive Power BI dashboards for logistics KPIs. Participated in meetings and gathered project requirements.

Python, APIs, Excel. Designed and implemented ETL processes using tools such as Python, Excel, Google Maps API.