I am a software professional with experience in building, maintaining, and supporting enterprise systems. I am UX/UI oriented, with a strong focus on accessibility, usability, and quality. I thrive in collaborative environments and communicate clearly with both technical and non-technical stakeholders. I am detail-oriented, reliable, and stay calm under pressure. I am looking for a role where I can use my skills to support products, users, and team goals. I enjoy continuous learning and applying best practices in frontend development, accessibility, and design to deliver user-centered solutions that scale with business needs.

Wioleta Kołodziej-Żmudzka

I am a software professional with experience in building, maintaining, and supporting enterprise systems. I am UX/UI oriented, with a strong focus on accessibility, usability, and quality. I thrive in collaborative environments and communicate clearly with both technical and non-technical stakeholders. I am detail-oriented, reliable, and stay calm under pressure. I am looking for a role where I can use my skills to support products, users, and team goals. I enjoy continuous learning and applying best practices in frontend development, accessibility, and design to deliver user-centered solutions that scale with business needs.

Available to hire

I am a software professional with experience in building, maintaining, and supporting enterprise systems. I am UX/UI oriented, with a strong focus on accessibility, usability, and quality. I thrive in collaborative environments and communicate clearly with both technical and non-technical stakeholders. I am detail-oriented, reliable, and stay calm under pressure. I am looking for a role where I can use my skills to support products, users, and team goals.

I enjoy continuous learning and applying best practices in frontend development, accessibility, and design to deliver user-centered solutions that scale with business needs.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

Polish
Fluent
English
Advanced

Work Experience

Senior Frontend Developer at Pegasystems
April 1, 2024 - Present
Built and optimized reusable components in React (with TypeScript and styled-components), improving maintainability and UI consistency. Improved code performance through debugging and profiling. Led code reviews and mentored junior developers; facilitated frontend knowledge-sharing sessions. Championed accessibility improvements across features in line with WCAG standards.
Front-End Developer at Pegasystems
April 1, 2024 - October 6, 2025
Developed dynamic interfaces using React and TypeScript, focusing on scalability and maintainability. Authored unit tests with Jest to ensure code reliability. Contributed to documentation and collaborated with cross-functional teams.
Solution Engineer II at Pegasystems
March 1, 2022 - October 6, 2025
Investigated and resolved complex UI/UX issues within enterprise platforms. Delivered configuration fixes to improve system performance and user satisfaction.
Application Engineer at Amada Sp. z o.o.
September 1, 2019 - October 6, 2025
Trained clients on VPSS3i and programmed laser/punching machines. Supported software and configuration management, collaborating with sales and technical teams.
Automation Engineer at Pro-Assem
April 1, 2016 - October 6, 2025
Programmed custom industrial machines using Siemens tech and designed HMIs and electrical schematics.
Automation Engineer at Satcontrol Automatyka, Kraków
September 1, 2015 - October 6, 2025
Developed and configured HVAC automation systems tailored to client needs.
Senior Frontend Developer at Pegasystems, Kraków
April 1, 2024 - Present
Built and optimized reusable React components with TypeScript and styled-components, improving maintainability and UI consistency. Enhanced performance through debugging and profiling. Led code reviews, mentored juniors, and facilitated frontend knowledge sharing. Championed accessibility improvements across features in line with WCAG standards.
Front-End Developer at Pegasystems, Kraków
April 1, 2024 - October 6, 2025
Developed dynamic interfaces using React and TypeScript with a focus on scalability and maintainability. Wrote unit tests with Jest to ensure reliability. Contributed to documentation and collaborated with cross-functional teams.
Solution Engineer II at Pegasystems, Kraków
March 1, 2022 - October 6, 2025
Investigated and resolved complex UI/UX issues within enterprise platforms. Delivered configuration fixes to improve system performance and user satisfaction.
Application Engineer at Amada Sp. z o.o., Kraków
September 1, 2019 - October 6, 2025
Trained clients on VPSS3i and programmed laser/punching machines. Supported software and configuration management, collaborating with sales and technical teams.
Automation Engineer at Pro - Assem
April 1, 2016 - October 6, 2025
Programmed custom industrial machines using Siemens tech and designed HMIs and electrical schematics.
Automation Engineer at Satcontrol Automatyka, Kraków
September 1, 2015 - October 6, 2025
Developed and configured HVAC automation systems tailored to client needs.
Front-End Developer at Pegasystems
March 1, 2022 - April 1, 2024
Developed scalable React and TypeScript interfaces. Wrote unit tests with Jest to ensure reliability. Contributed to documentation and collaborated with cross-functional teams. Maintained and improved the platform’s legacy UI with vanilla JavaScript, CSS, and built-in low-code tools.
Solution Engineer II at Pegasystems
October 1, 2019 - March 1, 2022
Investigated and resolved complex UI/UX issues within enterprise platforms. Delivered configuration fixes to improve performance and user satisfaction.
Application Engineer at Amada Sp. z o.o.
May 1, 2016 - September 1, 2019
Trained clients on VPSS3i and programmed laser/punching machines. Supported software and configuration management, collaborating with sales and technical teams.
Automation Engineer at Pro - Assem
October 1, 2015 - April 1, 2016
Programmed custom industrial machines using Siemens tech and designed HMIs and electrical schematics.
Automation Engineer at Satcontrol Automatyka
February 1, 2014 - September 1, 2015
Developed and configured HVAC automation systems tailored to client needs.
Freelancer at Self-employed
January 1, 2026 - Present
Design and build websites and React applications using JavaScript, HTML, CSS, and TypeScript. Provide frontend development and UI improvements for clients, with accessible, WCAG-aligned fixes. Create basic branding assets and visual elements to support product presentation, and assist with content writing and UX-oriented text improvements. Collaborate directly with clients to translate requirements into practical, user-focused solutions.
Front-End Developer III at Pegasystems, Kraków
April 1, 2024 - November 1, 2025
Built and optimized reusable components in React (TypeScript, styled-components), improving maintainability and UI consistency. Enhanced performance and user experience via advanced debugging and profiling. Led code reviews, mentored junior developers, and facilitated frontend knowledge-sharing sessions. Championed accessibility improvements across features, aligning with WCAG standards.
Front-End Developer II at Pegasystems, Kraków
March 1, 2022 - April 1, 2024
Developed scalable and maintainable interfaces using React and TypeScript. Authored unit tests with Jest to ensure reliability. Contributed to documentation and cross-functional collaboration. Maintained and modernized legacy UI using vanilla JavaScript, CSS, and built-in low-code tools.
Solution Engineer II at Pegasystems, Kraków
October 1, 2019 - March 1, 2022
Investigated and resolved complex UI/UX issues within enterprise platforms, working with clients and internal teams. Collected user requirements and feedback to improve usability. Delivered configuration fixes to enhance system performance. Supported customers during implementation and post-deployment phases. Maintained professional communication with stakeholders and collaborated closely with developers, QA, and product teams.
Application Engineer at Amada Sp. z o.o., Kraków
May 1, 2016 - September 1, 2019
Trained clients on VPSS3i software and programmed laser and punching machines. Provided on-site and remote technical support, explaining complex topics clearly. Worked with customers to adjust software configurations to production needs and supported sales and technical teams during customer meetings and demonstrations.
Automation Engineer at Pro-Assem
October 1, 2015 - April 1, 2016
Programmed custom industrial machines using Siemens technology. Designed HMI interfaces and electrical schematics. Collaborated with clients to understand requirements and deliver tailored automation solutions. Provided technical explanations and regular progress updates.
Automation Engineer at Satcontrol Automatyka, Kraków
February 1, 2014 - September 1, 2015
Developed HVAC automation systems tailored to client needs. Participated in client consultations to gather requirements and present system functionality.

Education

Engineer of Automation and Robotics at AGH University of Science and Technology
October 1, 2012 - March 1, 2017
Engineer of Automation and Robotics at AGH University of Science and Technology
October 1, 2012 - March 1, 2017
Engineer of Automation and Robotics at AGH University of Science and Technology
October 1, 2012 - March 1, 2017
Engineer of Automation and Robotics at AGH University of Science and Technology
October 1, 2012 - March 1, 2017

Qualifications

Accessibility – Pegasystems
January 1, 2023 - October 6, 2025
Certified System Architect – Pegasystems
January 1, 2020 - October 6, 2025
Java Programming – ALX
January 1, 2018 - October 6, 2025
Programming EPSON SCARA – EPSON
January 1, 2016 - October 6, 2025
Accessibility – Pegasystems
January 1, 2023 - October 6, 2025
Certified System Architect – Pegasystems
January 1, 2020 - October 6, 2025
Java Programming – ALX
January 1, 2018 - October 6, 2025
Programming EPSON SCARA – EPSON
January 1, 2016 - October 6, 2025
Advanced React – Meta
January 1, 2025 - January 20, 2026
Accessibility – Pegasystems
January 1, 2023 - January 20, 2026
Certified System Architect – Pegasystems
January 1, 2020 - January 20, 2026
Java Programming – ALX
January 1, 2018 - January 20, 2026
Programming EPSON SCARA – EPSON
January 1, 2016 - January 20, 2026
WAI0.1x: Introduction to Web Accessibility
January 1, 2026 - March 10, 2026
Advanced React
January 1, 2025 - March 10, 2026
Accessibility
January 1, 2023 - March 10, 2026
Certified System Architect
January 1, 2020 - March 10, 2026
Java Programming
January 1, 2018 - March 10, 2026
Programming EPSON SCARA
January 1, 2016 - March 10, 2026

Industry Experience

Software & Internet, Professional Services, Computers & Electronics