Doug S.

About Me

Doug is a Senior Front-end Developer with with 10 years of experience delivering high-impact products to millions of users across diverse industries including fintech, legal-tech, insurance-tech, and web agencies. He specializes in front-end architecture and engineering leadership, with a strong focus on accessibility, user experience, and building scalable, maintainable codebases. Doug's expertise includes React development, client-side JavaScript experience, React UI knowledge, and familiarity with Design Patterns and responsive design. He crafts architectural and design solutions to enhance performance, security, and reliability. Doug makes high-level design decisions and writes scalable code to satisfy functional and non-functional requirements, implementing reusable UI components based on modern web tools and technologies.

Frontend

Backend

Other

Work history

UpStack
UpStack
Senior React.js Developer
2022 - Present (3 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

Tally
Tally
Senior Front-end Developer
2023 - 2024 (1 year)
Remote
  • Led the development of various front-end projects within the Web SDK as part of the web team.

  • Led the initiative to scale the system by creating multiple SDK entry points, which was essential to building a feature.

  • Developed technical specifications, facilitated team discussions, and implemented the chosen solution, reducing development time for new entry points by 90% and improving developer experience while meeting partner delivery goals.

  • Led the implementation of authentication for the web team, collaborating with stakeholders across mobile platform and back-end teams to design a unified solution.

  • Oversaw the integration on the web, ensuring it was secure, dev-friendly, thoroughly tested, and fully compliant with the specification document.

Front-end Development TypescriptReact.jsSDK Development HTML
XWP
XWP
Senior Software Developer
2020 - Present (5 years)
Remote
  • Leading development efforts on multiple projects, handling dev processes, enhancing quality, and evangelizing best practices.

  • Developed solutions to improve the Cloudinary CDN plugin for faster synchronization with websites, enhancing the UI plugin and improving dev flow.

  • Delivered solutions to enhance and bootstrap new projects by 50% and worked on a new performance library for solutions.

Trade Cover Exchange
Trade Cover Exchange
Senior Front-end Developer
2019 - 2019
Remote
  • Developed new solutions on an invoice/insurance-based SaaS, designing and delivering all application pages.

  • Worked on front-end dev processes and workflow using Vue to deliver the MVP for TCE.

  • Executed E2E and unit tests to enhance UI/UX stability and improve MVP delivery.

Syde GmbH
Syde GmbH
Software Developer
2019 - 2019
Damme, Germany
  • Collaborated on the design and development of new user-facing SAP websites for clients.

  • Designed and implemented new features and worked on enhancements to existing websites with thousands of daily users.

  • Supervised the migration of SAP TripIt into the Inpsyde infrastructure with enhanced CI/CD flows.

Necara GmbH
Necara GmbH
Software Developer
2016 - 2018 (2 years)
Ingelheim, Germany
  • Helped shape solutions for a B2B no-code platform for developing new web applications using drag-and-drop to generate code.

  • Designed and implemented code-generating functionalities and worked on REST API integration for new apps on the platform.

  • Initiated, executed, and maintained automated test processes for regression testing of new modules on solutions.

Manaferra
Manaferra
Full-stack Developer
2015 - 2016 (1 year)
Prishtina, Kosovo
  • Built the Picasio digital markets web app for users to generate embeddable interactive widgets.

  • Designed an advanced analytics dashboard with scalable solutions to increase product marketability.

  • Kept up to date on new technologies, standards, protocols, and tools to improve the Manaferra platform.

JavaScriptPHPMongoDBAnalytical Dashboards
WEBINTEL
WEBINTEL
Back-end Developer
2014 - 2015 (1 year)
Prishtina, Kosovo
  • Designed and built a new web app that uses scraping to generate RSS, JSON, and plain text feeds.

  • Implemented a user-facing app that enhanced how users select portions of the target website they want to scrape.

  • Liaised with the designer to deliver a high-performing, user-friendly web application interface on the solution.

Showcase

Lead Front-end Developer - Currency Tools Solution
Lead Front-end Developer - Currency Tools Solution

Worked on dev processes to scope, set up, and deliver the base architecture for the solution, designing and creating various currency tools for the website using React and TypeScript. Implemented the currency tools to fetch information through the client's internal API for calculation on the currency calculator. Optimized solutions for SEO and handled the complexities of different tasks on the project.

React.js Developer - Featured Article Solution
React.js Developer - Featured Article Solution

Designed and implemented the components of a more special article type on a "Featured Article" solution for the client, maneuvering around complicated design features using Figma to deliver a fully working page. Worked on a custom video player solution and innovative scroll animations that made the page interactive.

Lead Developer - New Blog Page Solution
Lead Developer - New Blog Page Solution

Led dev processes to redesign the blog page for a high-profile client, working on the entire front-end architecture of the blog to enhance performance and accessibility for users. Delivered high scores on Google's Web Vitals for Desktop (99) and mobile (>90) on the solution, focusing on accessibility for a user-focused solution.

Education

IBM AI Engineering Specialization
IBM AI Engineering Specialization
IBM
2025 - 2025
BSc Computer Science
BSc Computer Science
University of London - UK
2010 - 2014 (4 years)