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Hi, I’m Piotr Litera, a senior software engineer with 9+ years of experience delivering scalable web platforms and data-driven applications across fintech, e-commerce, healthcare, and analytics domains. I enjoy solving complex performance issues and shipping production-ready solutions under tight timelines, always focused on reliability and user experience. I’ve led large-scale projects from concept to production, independently delivering high-quality, production-ready solutions with strong CI/CD practices, documentation, and collaboration across teams. When I’m not coding, I’m learning new technologies and mentoring junior developers.…Hi, I’m Piotr Litera, a senior software engineer with 9+ years of experience delivering scalable web platforms and data-driven applications across fintech, e-commerce, healthcare, and analytics domains. I enjoy solving complex performance issues and shipping production-ready solutions under tight timelines, always focused on reliability and user experience. I’ve led large-scale projects from concept to production, independently delivering high-quality, production-ready solutions with strong CI/CD practices, documentation, and collaboration across teams. When I’m not coding, I’m learning new technologies and mentoring junior developers.

Piotr Litera

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

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Hi, I’m Piotr Litera, a senior software engineer with 9+ years of experience delivering scalable web platforms and data-driven applications across fintech, e-commerce, healthcare, and analytics domains. I enjoy solving complex performance issues and shipping production-ready solutions under tight timelines, always focused on reliability and user experience. I’ve led large-scale projects from concept to production, independently delivering high-quality, production-ready solutions with strong CI/CD practices, documentation, and collaboration across teams. When I’m not coding, I’m learning new technologies and mentoring junior developers.…Hi, I’m Piotr Litera, a senior software engineer with 9+ years of experience delivering scalable web platforms and data-driven applications across fintech, e-commerce, healthcare, and analytics domains. I enjoy solving complex performance issues and shipping production-ready solutions under tight timelines, always focused on reliability and user experience. I’ve led large-scale projects from concept to production, independently delivering high-quality, production-ready solutions with strong CI/CD practices, documentation, and collaboration across teams. When I’m not coding, I’m learning new technologies and mentoring junior developers.

Available to hire

Hi, I’m Piotr Litera, a senior software engineer with 9+ years of experience delivering scalable web platforms and data-driven applications across fintech, e-commerce, healthcare, and analytics domains. I enjoy solving complex performance issues and shipping production-ready solutions under tight timelines, always focused on reliability and user experience.

I’ve led large-scale projects from concept to production, independently delivering high-quality, production-ready solutions with strong CI/CD practices, documentation, and collaboration across teams. When I’m not coding, I’m learning new technologies and mentoring junior developers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Polish

Advanced

English

Fluent

Work Experience

Senior Software Engineer at Helmes

August 1, 2025 - October 6, 2025

Enhanced TradeOps by implementing dynamic data synchronization pipelines using PHP and JavaScript, improving real-time trading data accuracy by 35%. Resolved complex Drupal module conflicts affecting deployment stability by redesigning key theme components and optimizing custom PHP hooks. Developed caching strategies with Drupal Views and Redis, reducing query load and improving overall system response by 42%. Integrated workflow automation features using AJAX and RESTful APIs, reducing manual operations for fintech users by 50%. Identified and fixed over 60 critical bugs during final testing, ensuring production-ready readiness and zero regression issues after release. Improved CSS styling and responsive design consistency across custom Drupal themes for better user experience on mobile and desktop. Implemented version control workflows using Git to streamline the release process and prevent configuration drift across environments. Delivered detailed documentation outlining all develo

Senior Software Engineer at NFQ

March 1, 2022 - October 6, 2025

Worked on ShopStream, upgrading legacy components into a modern Drupal-based eCommerce platform optimized for heavy user traffic. Rebuilt PHP modules and templating layers to support new product categories, achieving 99.8% uptime during peak traffic events. Used JavaScript and AJAX to implement interactive filtering and search, improving user engagement metrics by 25%. Optimized database queries and caching mechanisms, reducing average page load time from 3.2s to 1.4s across major retail sections. Executed bug triage sessions and resolved over 90% of identified performance bottlenecks within two sprint cycles. Refined responsive UI layouts using HTML and CSS, aligning with accessibility standards. Documented upgrade procedures and Drupal configuration guidelines to support continuous integration workflows.

Software Engineer at Brainly

May 1, 2020 - October 6, 2025

Contributed to Health IQ, developing secure modules for hospital workflow automation using PHP and Drupal 8 custom entities. Implemented secure user authentication and session handling for sensitive patient data, ensuring compliance with health care standards. Fixed recurring data synchronization bugs by refining API integration logic, improving system stability by 40%. Enhanced UI components with JavaScript to improve appointment scheduling efficiency and interface responsiveness. Optimized front-end loading sequence using deferred CSS and JS techniques, cutting interface render time by 35%.

Junior Software Engineer at Brand24

December 1, 2017 - October 6, 2025

Supported development of SocialPulse, a real-time social media analytics dashboard using PHP and JavaScript stack. Created reusable front-end components using HTML, CSS, AJAX to visualize live social engagement data. Maintained Drupal-based CMS features, implementing bug fixes and layout adjustments to enhance performance and visual clarity. Wrote technical documentation to streamline onboarding for new developers and reduce handover friction during project iterations.