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I’m Michal Stepan, a results-driven Senior Full Stack Developer with 9+ years of experience designing, building, and scaling high-performance software systems. I specialize in Python (Django, Flask, FastAPI) and JavaScript (React, Vue), and architect solutions across AWS, GCP, and Azure. I’m passionate about DevOps, AI-driven features, and security compliance (GDPR). I enjoy collaborating with clients to deliver reliable software, mentor teams, and continually optimize development processes for better performance and user engagement.…I’m Michal Stepan, a results-driven Senior Full Stack Developer with 9+ years of experience designing, building, and scaling high-performance software systems. I specialize in Python (Django, Flask, FastAPI) and JavaScript (React, Vue), and architect solutions across AWS, GCP, and Azure. I’m passionate about DevOps, AI-driven features, and security compliance (GDPR). I enjoy collaborating with clients to deliver reliable software, mentor teams, and continually optimize development processes for better performance and user engagement.

Michal Stepan

Full Stack Developer, Web Developer, Back-End Developer, +2

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I’m Michal Stepan, a results-driven Senior Full Stack Developer with 9+ years of experience designing, building, and scaling high-performance software systems. I specialize in Python (Django, Flask, FastAPI) and JavaScript (React, Vue), and architect solutions across AWS, GCP, and Azure. I’m passionate about DevOps, AI-driven features, and security compliance (GDPR). I enjoy collaborating with clients to deliver reliable software, mentor teams, and continually optimize development processes for better performance and user engagement.…I’m Michal Stepan, a results-driven Senior Full Stack Developer with 9+ years of experience designing, building, and scaling high-performance software systems. I specialize in Python (Django, Flask, FastAPI) and JavaScript (React, Vue), and architect solutions across AWS, GCP, and Azure. I’m passionate about DevOps, AI-driven features, and security compliance (GDPR). I enjoy collaborating with clients to deliver reliable software, mentor teams, and continually optimize development processes for better performance and user engagement.

Available to hire

I’m Michal Stepan, a results-driven Senior Full Stack Developer with 9+ years of experience designing, building, and scaling high-performance software systems. I specialize in Python (Django, Flask, FastAPI) and JavaScript (React, Vue), and architect solutions across AWS, GCP, and Azure.

I’m passionate about DevOps, AI-driven features, and security compliance (GDPR). I enjoy collaborating with clients to deliver reliable software, mentor teams, and continually optimize development processes for better performance and user engagement.

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Work Experience

Senior Full Stack Engineer at Sopra Steria

October 1, 2023 - Present

Led development of custom financial services solutions using Python (FastAPI) and React; designed and implemented scalable microservices with Docker and Kubernetes; integrated ML for real-time data processing, boosting data insights accuracy by 25%; architected cloud solutions on AWS and Azure, reducing operational costs by 20%; built secure OAuth2 API endpoints; improved data storage/retrieval with AWS RDS and S3, cutting costs by 15%; conducted client workshops to align technical strategies; implemented Kafka-based event processing to reduce latency by 25%.

Software Engineer at Doist

November 1, 2021 - September 30, 2023

Contributed to Todoist’s task management system using React, Redux, and Python (Flask/Django); led real-time collaboration features reducing sync latency by 20%; integrated GCP services improving scalability and uptime by 30%; developed and maintained mobile app with React Native, achieving faster load times; ensured GDPR/SOC 2 security features, resulting in zero data breaches; implemented features for Twist including threaded conversations and real-time notifications; optimized back-end APIs to reduce response times by 40%.

Senior Full Stack Engineer at MailerLite

October 1, 2018 - November 30, 2021

Developed a scalable email marketing platform using Python (Flask) and JavaScript (React); migrated legacy systems to AWS, reducing costs by 20%; built and maintained RESTful APIs; implemented CI/CD pipelines with GitLab CI; designed automated email workflows boosting engagement by 35%; integrated Zapier, Salesforce, and Mailchimp to enhance extensibility; utilized Jest and Pytest for testing with 90%+ coverage; architected mobile-first email templates improving open rates by 25%; collaborated with product team to optimize UX/UI and improve retention by 15%.

Software Engineer at Garwan

July 1, 2014 - September 30, 2018

Led development of custom software solutions using Python (Django, Flask); designed full-stack applications with React; integrated third-party APIs for data synchronization; implemented cloud deployment strategies on AWS, reducing infrastructure costs by 30%; utilized Docker and Jenkins for CI/CD automation; introduced microservice architecture to replace monoliths, improving uptime by 30%; collaborated with clients to refine features, increasing satisfaction; advanced mobile development using React Native for cross-platform delivery.