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Senior Lead Front-End Engineer | Costco & Amazon Experience

Hi Greetings!,

I’m excited to present a high-caliber Senior Lead Front-End Engineer with 9+ years of proven experience delivering enterprise and customer-facing applications for clients including Costco, Amazon, Panera Bread, and Denso.

His core strength is modern frontend engineering with React, TypeScript, Next.js, JavaScript, AWS/Azure, and REST APIs, combined with hands-on expertise in AI/GenAI, real-time applications, AEM, ecommerce, accessibility, and micro-frontends.

Why This Candidate Stands Out:

He combines strong frontend engineering, modern architecture, cloud, AI/GenAI, ecommerce, accessibility, and full-stack integration experience.

He can own the complete frontend lifecycle — Figma/design → architecture → development → API integration → testing → performance → accessibility → CI/CD → production support.

Clients Worked With:

Costco – Senior Lead Front-End Engineer

Apr 2026 – Present | Issaquah, WA

  • Leading the Canada Consumer Search Platform migration from LucidWorks to GRS for a high-traffic ecommerce environment.
  • Developing modern applications using React 18, TypeScript, Next.js 14, Node.js, ContentStack, Criteo, and Vitest.
  • Designed a search-provider orchestration layer capable of dynamically switching between legacy and modern search platforms, enabling a controlled and low-risk migration.
  • Developed query translation, facet mapping, filtering, sorting, pagination, and item-number redirect functionality while maintaining the existing customer experience.
  • Collaborates closely with frontend, search, platform, UX, and product teams to maintain performance, scalability, and production stability.

Amazon – Senior Software Development Engineer

Aug 2024 – Mar 2026 | Seattle, WA

  • Played a key role in modernizing AWS Partner workflows from Salesforce to AWS Partner Central, supporting experiences for 10,000+ active partners.
  • Built enterprise applications using React 18, TypeScript, JavaScript, HTML5, and CSS3 with a strong focus on reusable and scalable architecture.
  • Created reusable components, custom hooks, and scalable state-management patterns that significantly reduced development effort.
  • Built AI-powered chatbot experiences directly into business workflows, allowing users to retrieve backend information and generate draft form inputs conversationally.
  • Translated Figma designs into WCAG 2.1 AA-compliant production interfaces.
  • Supported CI/CD pipelines, AWS deployments, monitoring, troubleshooting, and production stability.

Panera Bread – Senior Front-End Engineer

Nov 2020 – Jul 2024 | St. Louis, MO

  • Developed and maintained customer-facing ecommerce applications supporting ordering, checkout, loyalty, accounts, payments, subscriptions, promotions, and personalized offers.
  • Built scalable React and TypeScript component architectures with a strong emphasis on reusability, maintainability, and consistent UX.
  • Modernized a legacy Angular platform by rebuilding it with React and TypeScript, improving long-term scalability and maintainability.
  • Improved application performance through lazy loading, code splitting, optimized rendering, and efficient API communication.
  • Supported CI/CD, Git workflows, production troubleshooting, code reviews, and release activities.

Denso International America – Front-End Engineer

Jan 2019 – Oct 2020 | Southfield, MI

  • Developed secure enterprise financial applications used by finance and operations teams to process and validate automotive parts payments.
  • Built responsive dashboards and transaction-validation interfaces using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3.
  • Developed unit and integration testing using Jest and React Testing Library.
  • Optimized application performance through lazy loading, bundle optimization, and efficient rendering.
  • Participated in Agile/Scrum delivery, Jira, CI/CD, code reviews, and production deployments.

Wafts Solutions – Software Developer

Jun 2017 – Aug 2018 | Detroit, MI

  • Developed responsive and mobile-friendly applications using JavaScript, HTML5, and CSS3.
  • Improved page-load performance by approximately 30%.
  • Worked in Agile/Scrum teams and delivered sprint-based user stories.
  • Integrated third-party web services and supported CI/CD automation using Git and Jenkins.

He is especially strong in:

  • React 18, TypeScript, Next.js, JavaScript
  • AWS / Azure / REST APIs / Node.js
  • AI/GenAI & Real-Time SSE
  • AEM / ContentStack / Micro-Frontends
  • ADA / WCAG 2.1 AA Accessibility
  • Figma-to-Pixel-Perfect UI Development
  • Ecommerce & High-Traffic Applications
  • Performance Optimization & Automated Testing
  • CI/CD, Docker, GitHub Actions
  • Strong cross-functional and technical leadership

With experience at Costco, Amazon, and Panera Bread, he is well-equipped to take on complex Senior/Lead Front-End, React/TypeScript, UI Architect, and Full-Stack UI requirements and contribute immediately.

Please let me know if you have any matching requirements. I’d be happy to share his resume, rate, location, work authorization, and availability.

Looking forward to working with you!

Thanks In Advance !

Adam

Sales Manager | Peach IT Professionals

✉: adam@peachitpros.com 📞: 732-344-4266

Osprey Way, West Windsor Township, NJ 08550, USA 

www.peachitpros.com

About Author

I’m Monica Kerry, a passionate SEO and Digital Marketing Specialist with over 9 years of experience helping businesses grow their online presence. From SEO strategy, keyword research, content optimization, and link building to social media marketing and PPC campaigns, I specialize in driving organic traffic, boosting rankings, and increasing conversions. My mission is to empower brands with result-oriented digital marketing solutions that deliver measurable success.

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