Cleveland, OH — Available for select engagements

Petar
Kraguljac

Senior Design Engineer · Design Systems Architect · Front-End Technologist

Twenty years turning product and interaction design into reusable Angular/TypeScript systems — with a mechanic's instinct for how things actually work under the panel.

01 / About

Two decades of turning
design intent into shipped systems.

Design engineer, front-end architect, and UI/UX leader with 20+ years spanning visual design, enterprise software, design systems, web/mobile products, and hands-on engineering. Deep experience turning product and interaction design into reusable Angular/TypeScript components, scalable CSS/SCSS patterns, responsive interfaces, and documented standards across large applications. Combines a formal visual-design background with production engineering, team leadership, and active AI-assisted development using coding agents, custom prompts/instructions, local LLMs, automation, and machine-readable workflows. Longtime automotive builder and former mechanic with practical experience modifying, diagnosing, fabricating, and integrating mechanical, electrical, and digital systems in enthusiast vehicles.

Core strengths

  • Design Systems
  • UI Component Libraries
  • Angular
  • TypeScript
  • JavaScript
  • Semantic HTML
  • CSS3 / SCSS
  • Responsive Design
  • Accessibility / WCAG / ARIA
  • Design Tokens & Theming
  • Front-End Architecture
  • Reusable Components
  • Design-to-Code
  • Figma / Adobe XD
  • Documentation & Standards
  • Performance
  • Cross-Browser / Cross-Device UI
  • Git
  • CI/CD Collaboration
  • Testing & QA
  • AI-Assisted Development
  • AI Agents & LLM Context
  • Prompt / Instruction Design
  • n8n
  • Webhooks
  • Product Design
  • Automotive Systems

02 / Experience

Professional experience

Enterprise CRM platforms, healthcare systems, and learning platforms — led end to end, from UX architecture through engineering and production support.

  1. Creative Director / Principal Front-End Engineer / Design Systems Lead

    Current

    • Cross-functional front-end engineering, UX, troubleshooting, and delivery.
    • Designed the web and mobile experience for a CRM platform and led its delivery from product concept and UX architecture through engineering, QA, deployment, and production support.
    • Designed and developed multiple companion mobile applications around the CRM ecosystem, translating field and customer workflows into integrated, production-ready experiences.
    • Led a team of engineers building the CRM and companion applications; coordinated priorities, architecture, implementation, mentoring, engineering standards, QA, and cross-functional delivery.
    • Architected and delivered solutions using Angular, TypeScript, JavaScript, .NET/ASP.NET, REST APIs, SQL, Azure, Ionic, Capacitor, iOS, and Android.
    • Led organizational and technology change through platform modernization, front-end standardization, mobile delivery initiatives, documentation improvements, and adoption of new engineering workflows.
    • Introduced AI-assisted engineering workflows using ChatGPT/OpenAI, Claude, Gemini, Copilot, local LLMs/Ollama, AI agents, n8n, webhooks, and automation to accelerate research, development, documentation, and repetitive engineering tasks.
    • Delivered software and digital solutions for enterprise customers including Home Depot and SRS Distribution, balancing customer requirements, usability, maintainability, and production constraints.
  2. Senior UI/UX Developer

    Enterprise Data Solutions, Inc. (EDSI)2014–2016

    • Designed and built a Learning Management System (LMS) for online learning, defining the UI/UX and developing the web experience used to deliver digital training and educational content.
    • Worked directly with stakeholders to translate learning, business, and user requirements into LMS workflows, reusable interfaces, and production-ready online learning experiences.
  3. Senior Web / UI Developer

    Philips Healthcare North America2007–2014

    • Led front-end development and UI delivery for healthcare web applications, intranet platforms, reporting tools, learning systems, and business-critical resources supporting healthcare operations and field service engineers.
    • Collaborated with Philips Design, engineering, operations, training, and business stakeholders to establish interface standards, improve enterprise workflows, and deliver reliable internal platforms.
    • Developed training, reporting, analytics, and operational-support solutions in a global healthcare environment where documentation, consistency, quality, and dependable delivery were essential.
  4. Mobile Platform Distribution Manager

    Philips Healthcare North AmericaConcurrent role

    • Managed iOS and Android development-platform licensing and application distribution processes for internal and external development teams.
    • Coordinated vendors and development teams around signing, packaging, deployment, governance, and mobile release requirements.
  5. eLearning Developer

    Philips Healthcare North AmericaConcurrent role

    • Created interactive technical learning solutions and multimedia content supporting employee and field-service training across multiple delivery formats.
  6. Multimedia Developer / Video Specialist

    Applied Industrial Technologies2005–2007

    • Produced digital training systems, interactive web media, marketing assets, video, and multimedia learning content for enterprise audiences.

03 / Skills

Technical expertise

Grouped the way the work actually breaks down — front-end systems, design and prototyping, AI-assisted workflows, and delivery platforms.

Front-End & Design Systems

  • Angular
  • AngularJS
  • TypeScript
  • JavaScript
  • Semantic HTML5
  • CSS3 / SCSS
  • RxJS
  • Angular Material
  • Bootstrap
  • Reusable Component Architecture
  • Responsive Design
  • Accessibility-Minded UI
  • Design Tokens / Theming
  • Cross-Browser Delivery

Design & Prototyping

  • UI/UX
  • Design Systems
  • Wireframes
  • Prototypes
  • Component Design
  • Adobe Photoshop
  • Illustrator
  • InDesign
  • Adobe XD
  • Motion / Video
  • Production Visual Design

AI & Automation

  • OpenAI / ChatGPT
  • Claude
  • Gemini
  • Copilot
  • Ollama
  • Local LLMs
  • AI Agents / Skills
  • Prompt & Instruction Design
  • n8n
  • Webhooks
  • Engineering Productivity Automation

Platforms & Delivery

  • Git
  • Azure
  • .NET / ASP.NET
  • REST APIs
  • SQL
  • Ionic
  • Capacitor
  • iOS
  • Android
  • Xcode
  • Application Deployment
  • Mobile Distribution Workflows

04 / What sets it apart

Design engineering, and a mechanic's instinct for systems.

Design + code

Career-long experience spanning visual communication, UI/UX, creative direction, front-end architecture, and hands-on production engineering.

Design systems

Reusable components, shared interaction patterns, CSS/SCSS standards, responsive layouts, documentation, and scalable UI conventions across enterprise applications.

AI-native workflow

Hands-on use of coding agents, local LLMs, custom prompts/instructions, automation, webhooks, and AI-assisted engineering workflows.

Automotive systems

Former mechanic and lifelong hands-on builder with experience in diagnostics, suspension/brakes, turbocharged powertrains, fabrication, electrical integration, CAN-connected electronics, and custom digital instrumentation.

Currently in the shop

Current automotive technology work includes a custom BMW E30 digital cockpit concept using ESP32 displays, CAN data, typed signal models, browser-based emulation, diagnostics, performance displays, and modernized driver interfaces.

05 / Education

Education & credentials

  • Cuyahoga Community CollegeAssociate studies / degree in Computer Science
  • Collins CollegeBA, Media Arts / HDTV Production; AA, Visual Communications
  • Polaris Career CenterCisco CCNA / Novell CNA training

06 / Community

Leadership & community

  • Youth Hockey CoachParma Hockey2005–2021
  • General Board MemberParma Hockey2013–2018
  • PresidentParma Hockey2018–2024
  • Coaching & Development, Rules, 10U DirectorCleveland Suburban Hockey League2024–Present
  • VolunteerRebuild America

07 / Contact

Let's build something worth documenting.

Open to senior design-engineering, design-systems, and front-end leadership roles — and select consulting work.