Full Stack Agentic Development

Kevin Marks

Technical Director · Buffalo Grove, IL

Full-stack software architect with 10+ years building scalable B2B and B2C commerce platforms. I specialize in AI-powered development workflows and in the enterprise architecture underneath them. As Technical Director I've closed $5M+ in implementation deals while building the teams and modular systems that deliver them. Scroll down to see my tech stack and experience, or click here to browse a showcase of exciting personal projects.

Years experience
10+
Commerce Integrations
100+
Annual revenue influenced
$200M+

Technologies

Full Stack Development

AI

  • Optimizely Opal
  • Claude (Anthropic)
  • Codex (OpenAI)
  • Agentic Developer Workflows
  • Windsurf
  • Cursor

Frontend

  • TypeScript
  • React
  • Next.js
  • AngularJS
  • Astro
  • Tailwind
  • Chakra
  • Flutter
  • Three.js
  • Figma

Backend & Data

  • Node.js
  • C# / .NET
  • SQL
  • MySQL
  • PostgreSQL
  • MongoDB
  • Elasticsearch
  • REST / SOAP

DevOps & Tools

  • Docker
  • Linux
  • Git / GitHub
  • TeamCity
  • Octopus Deploy
  • Azure
  • Jira
  • Godot

Career

Experience

Technical Director

2024 – Present

Xcentium

  • Lead AI-driven development initiatives including Optimizely Opal integrations and Claude-based agentic developer workflows, accelerating team productivity and delivery quality.
  • Serve as internal subject matter expert on AI platform capabilities and enterprise adoption strategies.
  • Define technical vision, architect solutions across complex commerce engagements, and establish development standards across the organization.
  • Drive technical pre-sales engagements as a trusted sales lead, contributing to over $5M in secured implementation deals through solution scoping, architecture proposals, and client-facing presentations.
  • Partner with executive stakeholders and sales teams to translate business strategy into scalable technology roadmaps and winning proposals.

Software Architect

Feb 2022 – 2024

Xcentium

  • Communicated directly with product owners to identify business needs, define technical requirements, then design, build, and test custom solutions.
  • Managed team members, triaged tickets, provided estimates, and created developer acceptance criteria for user stories.
  • Migrated complex custom extensions to newer technologies.
  • Architected configurable libraries and components to accelerate internal development and generate additional sales opportunities.

Senior Software Developer

Jul 2018 – Feb 2022

Xcentium

  • Consulted on multiple commerce teams to develop new applications, support existing projects, and debug issues across a multitude of environments.
  • Created complex EDI systems and .NET modules to handle commerce data, customer-specific pricing, shipment rating, payment processing, and real-time inventory across multiple locations.
  • Led and supported the development of mobile-first, cross-browser compatible, SEO-performant, and ADA-compliant front ends.
  • Trained developers, led code reviews, facilitated tasks, and provided technical support to coworkers.

Software Engineer

Feb 2017 – Jul 2018

Phifer Incorporated

  • Redesigned corporate website and implemented an applicant tracking system for job postings.
  • Developed a custom internal file browsing system using TypeScript.
  • Overhauled internal manufacturing applications to modernize and simplify UI.

Credentials

Certifications

  • Optimizely Opal Developer Certified
  • Optimizely Configured Commerce Certified
  • Optimizely CMS Certified
  • Google Analytics Certified

Academics

Education

University of Alabama logo

Bachelor of Science in Commerce and Business Administration

Management Information Systems (MIS)

The University of Alabama

Get in touch

Let's build something exciting.

Open to conversations about technical leadership, architecture, and getting real value out of AI. The fastest way to reach me is email.

kb.marks.jpg@gmail.comLinkedIn ↗