Jakub Prozygocki
Senior Software Engineer
Salary / Daily rate
Inowrocław, Poland
Freelance
Skills
Languages
About me
Intro
Senior Frontend Engineer with 8+ years building responsive web apps for fintech, healthcare, and enterprise clients. Led cross-functional teams at Walmart & Vincit, boosting user engagement and delivery velocity through architectural improvements. Expert in full-stack development with proven ability to optimize performance and create intuitive user experiences.
Work experience
Senior Software Engineer
Vincit
Oct 2023 - Aug 2025
1 year 11 months
Tampere Metropolitan Area
At Vincit, I led the development of an interactive, user-friendly web application, enhancing both user engagement and mobile experience. By driving architectural improvements and optimizing workflows, I helped increase the team's delivery velocity and overall productivity. I also played a key role in integrating engaging visual elements to elevate the user experience and make it more dynamic.
Senior Frontend Engineer
Kuppers Future Lab LLC
Feb 2023 - Oct 2023
9 months
Delaware, OH 43015, USA
At KFL, I spearheaded the creation of a data-driven platform, improving both the user experience and system responsiveness. I collaborated closely with cross-functional teams, ensuring a seamless flow of work from design to implementation. My efforts led to significant improvements in user engagement and overall platform performance.
Frontend Engineer
Walmart USA
Jul 2020 - Dec 2022
2 years 6 months
Arkansas City, KS 67005, USA
I worked on building responsive and scalable web applications for the fintech and healthcare sectors, contributing to seamless user experiences across multiple devices. I collaborated with backend teams to optimize workflows, enabling faster and more reliable data handling. I played a key role in improving system performance and ensuring data accuracy for real-time updates.
Britenet
Jul 2016 - Jul 2020
4 years 1 month
Warsaw, Poland
Senior Frontend Developer
Aug 2017 - Jul 2020
3 years
Warsaw, Poland
During my time at Britenet, I led the development of user-centric applications for various client projects. I worked closely with design teams to create intuitive and responsive interfaces that boosted user interaction. I also helped optimize project delivery times by improving team workflows and ensuring consistency across platforms.
Junior Frontend Developer
Jul 2016 - Aug 2017
1 year 2 months
Warsaw, Poland
As a Junior Frontend Developer at Britenet, I supported the development of engaging web applications and collaborated with senior developers to implement client requirements. My focus was on creating user-friendly interfaces and contributing to the integration of essential system features.
Junior Frontend Developer
Fulcrum
Jul 2016 - Aug 2017
1 year 2 months
Warsaw, Poland
At Fulcrum, I contributed to building responsive web interfaces, ensuring the smooth delivery of interactive and dynamic content. I worked in close coordination with senior developers to improve application performance and support the overall development process.
Education
Warsaw University of Technology
Bachelor's degree
2012 - 2016
3 years 7 months