Open to opportunities

Maciej Janowski

@maciejjanowski

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Experienced backend engineer specializing in Python and Django.

Germany

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What I'm looking for

I seek a dynamic role that fosters innovation and collaboration, focusing on backend development and system optimization.

With over 7 years of experience as a Backend Engineer, I have honed my skills in Python and Django, delivering high-quality solutions that enhance system performance and user experience. My recent role at Cognition Factory involved modernizing a Django project with async features and optimizing response times significantly, showcasing my ability to improve existing systems.

Throughout my career, I have successfully led codebase improvements and developed REST APIs that expose machine learning models for content moderation. My expertise extends to CI/CD pipelines, where I have enhanced build times by 40%. I am passionate about leveraging modern technologies and practices to drive efficiency and innovation in software development.

Experience

Work history, roles, and key accomplishments

Backend Engineer

Cognition Factory

Sep 2023 - Jan 2024 (4 months)

Modernized a Django project with async features and Celery, significantly improving response times and optimizing endpoints to reduce latency from 800ms to under 100ms. Enhanced CI/CD pipelines, cutting build times by 40%.

Python Django Celery PostgreSQL MySQL Redis MongoDB CI CD API Development

Backend Engineer

GCore Cloud

Jan 2023 - Sep 2023 (8 months)

Created a unified logging package for Django/FastAPI applications and built FastAPI statistics endpoints for client dashboard metrics. Developed REST API exposing ML models for content moderation.

Docker Kubernetes fastAPI REST APIs Grafana TDD Python Django Logging

Full Stack Developer

Freelance

Sep 2017 - May 2023 (5 years 8 months)

Delivered multiple web applications and REST APIs for clients using Python, Django, and JavaScript, showcasing strong full-stack development skills.

Python Django JavaScript REST APIs Web Development Client Management Agile Methodologies Problem Solving Software Development

Backend Engineer

Lead Sherpa

May 2023 - Jan 2023 (-1 years 8 months)

Created Django REST API endpoints for core business features and optimized slow API components, improving response times. Modernized legacy systems through strategic refactoring.