Michal Kowalsi
@michalkowalsi
Senior Full-Stack & AI developer with a passion for innovation.
What I'm looking for
I am a Senior Web and AI Developer with over 9 years of experience delivering impactful, scalable software solutions for enterprise and startup clients across the US, Canada, and Europe. My expertise lies in full-stack web development and machine learning, where I have successfully deployed AI-driven applications that enhance user engagement and streamline workflows.
Throughout my career, I have led the architecture and development of full-stack SaaS platforms, engineered NLP solutions, and integrated advanced AI technologies into educational tools. My commitment to engineering excellence and innovation has enabled me to build production-grade platforms that meet critical deadlines, even in remote-first environments.
I am actively seeking opportunities with forward-thinking companies that value collaboration and creativity. I thrive in dynamic settings where I can contribute to cutting-edge projects and drive meaningful change through technology.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer (FullStack & AI)
Freelance
Apr 2020 - Present (5 years 3 months)
Led the architecture and development of full-stack SaaS platforms using React, Django, and PostgreSQL for medtech and edtech startups, enabling MVP launches within 3-4 months. Engineered NLP solutions using Hugging Face Transformers, spaCy, and FastAPI, cutting document processing time by 45% and improving accuracy in legal document parsing.
FullStack Engineer
Allegro
May 2018 - Mar 2020 (1 year 10 months)
Developed AI-driven recommendation systems for Allegro’s marketplace, impacting 10M users. Built scalable Python and Node.js microservices deployed via Kubernetes on GCP.
AI Research Assistant
National University of Singapore
Aug 2016 - May 2018 (1 year 9 months)
Supported NLP research in automated essay scoring and sentiment analysis projects. Built datasets and fine-tuned BERT-based models for text classification tasks.
Frontend Developer
Brainly
Jul 2016 - Apr 2018 (1 year 9 months)
Migrated frontend from jQuery to React, resulting in 40% faster page load times. Contributed to the AI-based moderation system by integrating OpenCV and TensorFlow features.
Education
Degrees, certifications, and relevant coursework
AGH University of Science and Technology
Bachelor of Science, Computer Science
Studied foundational computer science principles, including programming, algorithms, and software development. Developed strong technical skills through coursework and practical projects.
Availability
Location
Authorized to work in
Job categories
Skills
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