Michal Kowalik

Led the design and deployment of real-time data enrichment APIs, delivering sub-100 ms response times for portfolio intelligence, investor dashboards, and analytics pipelines across web and mobile platforms used by 500+ institutional clients. Automated CI/CD pipelines using GitHub Actions and Bitrise, integrating TypeScript linting and test coverage gates (Jest), and streamlining release cycles wi

Built modular microservices in Python to support real-time audience tracking, metadata enrichment, and operational analytics across digital and linear platforms. Developed NLP-based classification and semantic search models with LangChain and OpenAI to categorize content, detect genre overlap, and enhance media taxonomy—deployed via FastAPI for sub-200 ms inference latency.

Developed Node.js-based internal tooling to simulate API load patterns, validate performance under institutional investor traffic, and audit usage across portfolio analytics services. Engineered automated validation frameworks for regression detection and contract testing across high-volume REST and GraphQL endpoints, ensuring data integrity in investor reporting workflows.

Developed access control microservices in Python and Node.js to manage user permissions, session integrity, and device-based authentication across recruitment and event platforms. Maintained AWS-hosted infrastructure (S3, Cognito, Lambda, IAM) to securely handle applicant data, job board access, and employer platform integrations.

Contributed to REST API development and legacy modernization using Symfony and Next.js, enhancing backend compatibility and performance for digital marketing solutions. Developed integration test harnesses and QA scripts to validate API contracts and maintain system stability across campaign management and user engagement features.

Developed and maintained interactive medical presentation platforms using Symfony and React, enabling pharmaceutical reps to deliver personalized, compliant content to healthcare professionals. Built backend services for session tracking, feedback collection, and dynamic content delivery, ensuring alignment with medical regulations and CRM integration requirements.

Developed scalable property listing and client management systems using Laravel and JavaScript, supporting high-traffic real estate platforms and multi-channel marketing campaigns. Built responsive front-end components in React, enabling intuitive browsing experiences across desktop and mobile for prospective buyers and tenants.

Designed and developed custom web applications using Laravel and JavaScript, catering to client-specific workflows across e-commerce, logistics, and B2B platforms. Built reusable UI components and interactive features using React, enabling responsive and user-friendly interfaces for diverse client use cases.

Developed and maintained backend systems in Laravel for managing artwork inventory, gallery records, and sales workflows, ensuring scalability and reliability across multi-user art platforms. Built dynamic frontends with JavaScript and jQuery, delivering responsive interfaces for collection browsing, exhibition scheduling, and private viewing experiences.

Developed and optimized e-commerce platforms using Laravel and React, enhancing performance, mobile responsiveness, and sales funnel effectiveness across high-traffic storefronts. Implemented custom modules for product management, discount engines, and checkout flows, streamlining operations and improving conversion rates for B2C and B2B customers.

Implemented CMS integrations and modular content blocks, enabling marketing teams to manage landing pages, campaign assets, and multilingual content with ease. Built responsive UI components and dynamic interactions, ensuring pixel-perfect execution across devices and accessibility standards for diverse audiences.

Developed immersive, content-rich websites using WordPress and JavaScript blending performance with storytelling to support digital campaigns and brand activations. Created custom themes and plugins to support client-specific content flows, animation sequences, and interactive media elements across landing pages and digital portfolios.

Studied computer science principles and practices. Gained foundational knowledge in various computing disciplines.