Stefan Bobrowski

Frontend Developer

Prepaire Labs

Jul 2025 - Sep 2025 (3 months)

• Architected and developed Vite + React + TypeScript frontend application in close collaboration with UI/UX lead using Figma • Established CI/CD pipelines and managed repository infrastructure for frontend production deployment with GitHub Actions and Docker • Contributed to full-stack architectural decisions including cloud platform selection, API design, and backend integration strategies

C

Frontend Developer

Camelot SI LLC SharperImagecom

Sep 2023 - Feb 2025 (1 year 6 months)

• Implemented CRO-focused UI/UX redesigns across critical e-commerce flows (checkout, cart, login, returns, PIP/PDP) within a Next.js architecture serving thousands of users daily • Contributed to Bitbucket Pipelines CI/CD workflow across dev, staging, and production; regularly merged PRs, cut releases, and executed early-morning deployments and hotfixes • Integrated feature flags and A/B tests via Contentful to support dynamic marketing campaigns and business experiments • Delivered features and bug fixes for the internal dashboard used by warehouse and customer support teams; implemented Git Flow branching strategy and documented deployment process in Confluence • Consolidated multiple GraphQL requests into a single batched query,

Frontend Developer

Camelot SI LLC Sharper Image Licensee of SharperImagecom

Sep 2023 - Feb 2025 (1 year 6 months)

Software Engineer

The Home Depot

May 2021 - Dec 2022 (1 year 8 months)

• Led development of "Questions & Answers" component redesign (Figma, React, GraphQL), improving engagement and CTR. • Served as Release Captain; reviewed PRs, wrote release notes, and deployed to production. • Increased test coverage to 100% for several components by transitioning from Enzyme to RTL + Jest. • Onboarded and mentored new engineers on best practices within a large organization.

Web Software Developer

Vibrant Software LLC

Jul 2020 - May 2021 (11 months)

• Led development of the Nomad Portal, a content management system using React + Redux-Saga and powered by AWS AI/ML services. Featured dynamically generated rich asset metadata and tags, advanced search with filters, and content facial recognition. • Built VEP Virtual Stage a live streaming platform that has been used successfully for live virtual events and concerts. Featured multiple stream support, live chat, donation form, and fully configurable content from JSON.

Software Engineer

Vibrant Software LLC

Jul 2020 - May 2021 (11 months)

• Architected and led development of the Nomad Portal, a digital asset management platform built with React, Redux-Saga, and a Node.js/Express backend • Integrated AWS AI services for content facial recognition, automated metadata tagging, and advanced search across rich media • Built VEP Virtual Stage, a live-streaming platform for virtual events that has been used successfully for live concerts. Features a multi-stream viewing grid, live chat via WebSockets, donation form workflow, and fully configurable content and theme using JSON

H

Full Stack Web Developer

Hat Trick Designs LLC

Jun 2019 - Jul 2020 (1 year 2 months)

• Developed full-stack apps with the MERN stack. • Frontend React with Hooks and state management with useContext, backend REST API with Express and Mongoose.

H

Full Stack Engineer

Hat Trick Designs LLC

Jun 2019 - Jul 2020 (1 year 2 months)

• Developed full-stack apps with MongoDB and the MERN stack • Converted React Class Components to Hooks and state management with useContext on the frontend, and backend REST API with Express and Mongoose

Frontend Developer

Direct Wines

Feb 2019 - May 2019 (4 months)

• Developed product microsites from designs and customer checkout component for payment API requests (JavaScript, Fetch, async/await) • Improved SEO and accessibility with metadata and Structured Data markup, allowing for search results to display custom widgets such as reviews and featured links • Researched and tested emerging frontend technologies such as Web Components, Vue, and React with Hooks for use in future code base

Frontend Web Developer

Direct Wines Inc

Feb 2019 - May 2019 (4 months)

• Developed product microsites and customer checkout component for creating, retrieving, updating, and deleting payment methods (JavaScript, Fetch, async/await). • Improved SEO and accessibility with metadata and Structured Data markup, allowing for search results to display custom widgets such as reviews and featured links. • Researched and tested emerging front-end technologies such as Web Components, Vue, and React with Hooks for use in future code base.

Frontend Developer

Kathy Kuo Home

Dec 2017 - Sep 2018 (10 months)

• Prototyped and implemented new features after weighing UI/UX decisions with Design Lead and CEO • Created sister-site (https://www.kathykuohome.com/designbar), successfully displaying business portfolio to clients • Implemented Google Analytics and Google Optimize A/B tests, resulting in an increased CTR for new UI design changes • Increased Google PageSpeed Insights score by 300% and reduced average page load time by 3 seconds

Frontend Web Developer

Kathy Kuo Home

Dec 2017 - Sep 2018 (10 months)

• Rapidly prototyped new site features and weighed UX/UI decisions regularly with lead UX Director and Founder/CEO. • Partook in weekly team SCRUM meetings to strategize and schedule sprint goals. • Responsible for implementation of entire homepage redesign that included dynamic product sliders and various slideshows to be reused site-wide. • Tasked to build sister site https://kathykuohome.com/designbar from the ground up for their interior design portfolio. Featured project detail pages with before/after comparison sliders. • Optimized existing front end code and ﬁxed script errors, resulting in a 60 point increase in Google PSI score and a 3 second reduction in average page load speed. • Helped implement Google Analytics and Google

Web Developer

Archi FX LLC

Jul 2017 - Dec 2017 (6 months)

• Consulted remotely with web development firm Archi FX on a number of front-end web projects and Apache web server maintenance tasks. • Created responsive websites from web designs using SCSS and the Flexbox CSS layout. • Reduced web server load and memory usage by configuring an asset bundler for a number of client sites and helping to clean up existing client and server directories.

Full Stack Developer

Healthcasts

Dec 2016 - Jun 2017 (7 months)

• Worked within a small department of developers, designers, physicians, and marketers to create digital content on an educational platform for physicians. • Followed in strict accordance to company design and brand guidelines to ensure the delivery of several live web products containing sensitive medical diagnostic information. • Teamed with Creative Director to build a new interactive informational page requiring heavy CSS animations and form data handling with jQuery and Ajax. • Created a custom Node.js/NPM build toolchain for fellow team members and future developer use.

A

Frontend Developer

Archi FX LLC Healthcasts Finalsite

Sep 2014 - Dec 2017 (3 years 4 months)

• Archi FX LLC: Led frontend development on new responsive websites (SCSS, Flexbox) • Healthcasts: Implemented product microsites containing sensitive medical diagnostic information (Node.js, NPM scripts, jQuery, animations) • Finalsite: Succeeded in a fast-paced Agile environment building many responsive websites for schools globally (SASS, jQuery, custom CMS)

Frontend Web Developer

Finalsite

Sep 2014 - Nov 2016 (2 years 3 months)

• Collaborated with a large team of developers, designers, and project managers in a fast-paced Agile environment creating fully-featured websites for schools globally. • Worked successfully from conception to deployment on over 30 responsive websites all with varying client features and UX requirements using HTML, CSS and JavaScript. • Learned Gulp.js as a build tool for spinning up local development servers, leveraging SASS, and optimizing assets for deployment. • Structured HTML components in a clear way with comments to make it easier for clients to update content through the company’s proprietary CMS. • Participated in peer code reviews and tested work with a browser testing suite, fixing any script or display errors for all devices.

Student Researcher

Pratt Whitney

Sep 2013 - May 2014 (9 months)

Developed algorithm for determining optimal position and orientation of objects to be 3D printed. Researched many build factors that affect final costs of real-world products. Familiarized with metal laser sintering and electron beam melting 3D printing processes. Worked with a self-motivated team independently driven on making new features, fixes, and improvements and complete tasks in a timely and efficient manner.

Web Development Freelancer

Upwork

Nov 2009 - Jul 2015 (5 years 9 months)

I work through upwork (formerly oDesk) as a freelancer for a wide variety of companies and individuals, resulting in nearly unanimous client satisfaction. Heavy emphasis on design and development using mostly html5, css3, php, mysql, javascript, jQuery, and photoshop. http://www.upwork.com/o/profiles/users/_~0139d27de52a2d4a16/

Freelance Web Developer

oDesk

Nov 2009 - Jul 2014 (4 years 9 months)

• Worked on freelance projects primarily with HTML, CSS, JavaScript, and jQuery, starting with self-taught knowledge in high school.

About

Detail

Timeline

Résumé