Available to hire
Hi, I’m Mateusz Kimont. I’m a Senior/Principal Engineer with over 10 years of experience building and modernizing web platforms. I enjoy solving complex technical challenges, from architecting scalable backends to crafting fast, accessible front-end experiences that drive real business value. I love turning legacy systems into modern, maintainable solutions and collaborating with teams to deliver high-quality software.
Throughout my career I’ve led full-stack transformations, implemented automated tests and CI/CD pipelines, and migrated legacy architectures to modern stacks. I’m passionate about Agile practices, continuous improvement, and delivering tangible outcomes for users and stakeholders.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
English
Fluent
Spanish; Castilian
Fluent
Polish
Fluent
Portuguese
Intermediate
French
Intermediate
Work Experience
Senior React Engineer at Wine.com
July 1, 2025 - October 30, 2025Architected and developed a high-impact React self-service application for a major US e-commerce platform, projected to generate over $1M in value by reducing manual overhead. Engineered seamless integration of the modern React app into a complex, large-scale legacy backend e-commerce system. Pioneered a client-facing, self-service solution that significantly reduces reliance on internal company support staff.
Lead Application Developer at CMO Super Stores Ltd
June 30, 2025 - June 30, 2025Orchestrated a full-stack performance overhaul of the company’s primary e-commerce platform, leading initiatives that significantly enhance site speed, scalability, and security. Modernised the tech stack by upgrading from PHP 7.3 to 8.3, improved security and reliability, and established comprehensive documentation and CI/CD practices.
Lead Front-End Developer at Charlesworth Press
April 30, 2024 - April 30, 2024Led the portal project for a bespoke web system enabling customization of notebooks, books, planners, mugs, and other products. Managed WordPress deployments, SEO enhancements, and security; implemented automated tests and headless testing; deployed headless testing servers.
Senior Web Developer at The Insurance Emporium Ltd
July 31, 2020 - July 31, 2020Led frontend development for the insurance portal; SEO lead; secured and deployed five WordPress blogs; led automated testing for quote applications and configured desktop/mobile testing with detailed console error reporting; implemented headless testing setup.
Senior Web Developer at Grapple 4 CV / Ponderosa Agency
February 29, 2016 - February 29, 2016Web site development using WordPress; theme and plugin customization; setting up build tooling; focus on UI/UX improvements, performance, and SEO.
Mid Web Developer at Xandaxanet / Grapple4CV Agency
November 30, 2015 - November 30, 2015Pixel-perfect website development using WordPress; technical stack included Gulp, PHP OOP, HTML, CSS/Sass, JavaScript, jQuery, Photoshop, Illustrator; emphasized SEO and performance.
Non-Web Related Roles at Various UK Employers
November 1, 2014 - November 1, 2014D ue to limited English skills and being young, paused web career to adapt to life in London; engaged in a range of non-web related jobs.
Senior PHP Engineer at CMO Super Stores Ltd
June 30, 2025 - June 30, 2025Orchestrated a full-stack performance overhaul of the company's primary e-commerce platform, leading initiatives that significantly enhance site speed, scalability, and security. Boosted site load speeds by over 100% through strategic database query optimization, RESTful API enhancements, and a redesigned AWS architecture. Led modernization from PHP 7.3 to 8.3, improved security, and established documentation standards and DevOps practices.
Lead Frontend Developer at Charlesworth Press
April 30, 2024 - April 30, 2024Led frontend development for a bespoke web system enabling customized notebooks, books, planners, and other products. Implemented WordPress-based admin, WooCommerce integration, and security/deployments for multiple sites. Built automated tests with headless browsers and maintained a robust documentation and API workflow.
Senior Web Developer at The Insurance Emporium
July 1, 2020 - July 1, 2020Led frontend and backend development for the insurance portal, managed 10+ main sites on PHP7/Laravel/Symfony stack, and implemented automated testing and robust UI/UX improvements. Oversaw security measures including 3D Secure updates and payment gateway integration, and drove DevOps and deployment practices with Docker, Linux, and server automation.
Senior Web Developer at Grapple 4 / Ponderosa Agency
February 1, 2016 - February 1, 2016Built pixel-perfect WordPress websites, collaborated with designers, and customized themes and plugins; developed frontend tasks with Gulp, Bower, Sass; ensured SEO and performance optimizations across multiple client sites.
Mid Web Developer at We Are Marvelous
November 1, 2015 - November 1, 2015Developed high-quality WordPress sites, implemented theme/plugin customization, and leveraged tooling like Gulp/Grunt, Sass, and SEO best practices to deliver performant, maintainable sites.
Senior PHP Engineer at CMO Super Stores Ltd
November 1, 2024 - June 30, 2025Orchestrated a full-stack performance overhaul of the company’s primary e-commerce platform, leading initiatives that significantly improved site speed, scalability, and security. Optimized RESTful APIs and redesigned AWS architecture. Migrated codebase from PHP 7.x to 8.x, strengthened payment processing reliability, and established robust documentation and best practices to improve team velocity.
Lead Application Developer at Charlesworth Press
September 1, 2020 - April 1, 2024Developed a bespoke web system for customizable notebooks, books, planners, mugs and other products from scratch using WordPress, WooCommerce, AWS S3, OpenLiteSpeed, server scripting, JavaScript, Google APIs and related tools. Achieved fast, reliable deployments and automated workflows to support custom product creation.
Senior Web Developer at We Are Marvellous
February 1, 2016 - July 31, 2016Led front-end and back-end web development projects, delivering WP-based solutions, security hardening, and custom theme/plugin development. Implemented automation and optimization pipelines to improve site performance and reliability.
Senior Web Developer at Grapple 4 CV
November 1, 2015 - February 1, 2016Delivered WordPress-driven sites with custom themes and plugins, collaborated with designers and clients, and implemented optimization tooling and QA processes to ensure high-quality deployments.
Mid Web Developer at Xandaxan.net
October 1, 2014 - November 1, 2015Created high-quality WordPress sites, implemented custom themes and plugins, and maintained a robust front-end and back-end stack using Gulp, PHP OO, HTML, CSS, JavaScript, and related tools.
Non-web related jobs at Various (UK)
October 1, 2009 - October 1, 2014Took on various roles in the UK while adapting to life in London, expanding experiences beyond web development during periods of transition.
Mid Web Developer at Canal+
October 1, 2008 - November 1, 2008Web development work including front-end and back-end tasks, building pixel-perfect sites with WordPress, Magento and related frameworks; utilized build tooling (Gulp, Babel, Sass) and integrated multiple APIs.
Education
IT Technician at Nicolaus Copernicus University, Toruń, Poland
September 1, 2003 - June 25, 2006Philosophy (Ancient Languages, History of Philosophy) at University of Warmia & Mazury, Olsztyn, Poland
September 25, 2006 - June 25, 2009Art (Photography, Sculpture, Visual Arts) at University of Warmia & Mazury, Olsztyn, Poland
September 25, 2007 - June 28, 2008Computer Science at University of Warmia & Mazury, Olsztyn, Poland
September 25, 2008 - June 27, 2009Post-secondary School (ZSZ) – Information Technology at Lidzbark Warmiński, Poland
January 1, 2010 - December 31, 2010Philosophy at University of Warmia & Mazury in Olsztyn, Poland
September 1, 2006 - June 25, 2009Art at University of Warmia & Mazury in Olsztyn, Poland
September 25, 2007 - June 28, 2008IT Technician at Nicolaus Copernicus University, Toruń, Poland
September 1, 2003 - June 25, 2006Philosophy at University of Warmia & Mazury in Olsztyn, Poland
January 1, 2006 - June 25, 2009Information Technology at Nicolaus Copernicus University in Toruń, Poland
September 1, 2003 - June 25, 2006Qualifications
Agile Certification
January 11, 2030 - October 30, 2025Scrum Certification
January 11, 2030 - October 30, 2025JavaScript Certification
January 11, 2030 - October 30, 2025HTML Certification
January 11, 2030 - October 30, 2025CSS Certification
January 11, 2030 - October 30, 2025Agile
January 11, 2030 - October 30, 2025Scrum
January 11, 2030 - October 30, 2025JavaScript
January 11, 2030 - October 30, 2025HTML
January 11, 2030 - October 30, 2025CSS
January 11, 2030 - October 30, 2025Agile (Certified Practitioner/Agile)
January 11, 2030 - December 14, 2025Scrum Master
January 11, 2030 - December 14, 2025JavaScript
January 11, 2030 - December 14, 2025HTML
January 11, 2030 - December 14, 2025CSS
January 11, 2030 - December 14, 2025Industry Experience
Financial Services, Wholesale & Distribution, Media & Entertainment, Retail, Real Estate & Construction, Software & Internet, Professional Services, Education
Create corporate and group self service product for wine.com
Address: https://www.twine.net/signin
Key features :
No Addresses Required
Send gifts via email, recipients choose their gift and delivery date themselves.
Choose the Gifts or Let Them Pick
Curate your experience or let your recipients choose what they’ll love out of a selection you’ve set.
Add a Personal Touch
Pick a gift, add a special message and choose gift wrap yourself — or let your recipients choose their favorites!
Creating brand new company for insurance company
Creating from scratch
Self service gifting in react
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