π Hi, Iβm Pavel Eremin
| Principal Frontend Engineer |
15+ Years Building Modern Web Experiences |
Transforming complex business requirements into elegant, scalable frontend solutions. Specialized in crafting high-performance UI architectures for enterprise SaaS platforms.

π About Me
- πΌ Principal Frontend Engineer at Solid Commerce β 9+ years architecting UI for multi-tenant eCommerce SaaS
- π― 15+ years of frontend development experience since 2003 β from hobby to professional passion
- ποΈ Deep expertise in frontend architecture, React ecosystem, and TypeScript at scale
- β‘ Proven track record of optimizing performance for data-heavy applications serving thousands of users
- π± Built and shipped 2 React Native mobile apps from concept to production
- π International experience working with teams across USA, Europe, and Middle East
π» Frontend Expertise
Core Frontend Technologies
const frontendMastery = {
languages: ['TypeScript', 'JavaScript (ES6+)', 'HTML5', 'CSS3'],
frameworks: ['React', 'React Native', 'NextJS', 'AngularJS'],
stateManagement: ['Redux', 'Context API', 'MobX'],
styling: ['Sass', 'Less', 'CSS Modules', 'Tailwind CSS', 'Styled Components'],
buildTools: ['Webpack', 'Vite', 'Babel', 'ESLint', 'Prettier'],
testing: ['Jest', 'React Testing Library', 'Cypress', 'Playwright'],
mobile: ['React Native', 'Expo']
};
Backend & Infrastructure (Supporting Skills)
const fullStackCapabilities = {
backend: ['Node.js', 'PHP', 'Laravel', '.NET'],
databases: ['PostgreSQL', 'MySQL', 'MongoDB', 'Redis'],
apis: ['RESTful APIs', 'GraphQL', 'WebSockets'],
cloud: ['Microsoft Azure', 'AWS'],
devops: ['Docker', 'CI/CD', 'Nginx']
};
Frontend Architecture & Best Practices
- ποΈ Scalable Architecture: Component design systems, micro-frontends, modular architecture
- β‘ Performance: Code splitting, lazy loading, bundle optimization, Core Web Vitals
- βΏ Accessibility: WCAG compliance, semantic HTML, ARIA patterns
- π± Responsive Design: Mobile-first approach, cross-browser compatibility
- π¨ UI/UX: Design systems, component libraries, user-centric interfaces
- π§ͺ Testing: Unit, integration, e2e testing strategies
- π¦ Build Optimization: Webpack/Vite configuration, tree-shaking, minification
- π State Management: Complex state architectures for enterprise apps
π― Frontend Achievements & Impact
Solid Commerce (2015 - Present) β Principal Frontend Engineer
Building Enterprise-Scale Frontend Architecture
- ποΈ Architected UI from Ground Up: Designed and implemented comprehensive frontend architecture for multi-tenant SaaS platform serving 1000+ enterprise clients
- β‘ Performance Optimization: Reduced initial page load time by 60% and improved rendering performance for data-heavy grids handling 1,000+ rows
- π Complex Data Visualization: Built sophisticated data-driven interfaces for real-time inventory management, order processing, and analytics dashboards
- π± Mobile Apps: Delivered 2 production React Native apps (iOS + Android)
- π Migration Success: Led migration from AngularJS to React and Webpack to Vite without downtime
- π₯ Team Leadership: Mentored 10+ frontend engineers, established code review process and best practices
- π Developer Experience: Implemented modern tooling (TypeScript, ESLint, Prettier) improving code quality by 35%
Earlier Career Highlights (2010-2015)
Mastering Frontend Craft Across Diverse Projects
- πΌ Salesboard.biz: Built responsive sales automation tools increasing field productivity by 25%
- π Zipflip: Architected React-based car marketplace UI handling 100K+ daily visitors
- π₯ OpenMed: Developed healthcare platform frontend connecting 10,000+ patients with doctors
- π NTB Soft: Created online education system serving 10,000+ concurrent students
- π― FaceControl: Optimized high-load photo contest platform handling 30K+ uploads/month
Technical Leadership
- π Established frontend standards and documentation adopted company-wide
- π Conducted 500+ code reviews focusing on performance, maintainability, and best practices
- π Created onboarding program reducing new developer ramp-up time from 6 weeks to 2 weeks
- π οΈ Contributed to open-source tools and internal libraries
π GitHub Stats

π οΈ Currently Working On
Primary Focus
- ποΈ Enterprise UI Architecture β Scaling frontend for high-traffic eCommerce SaaS platform
- βοΈ React + TypeScript β Building type-safe, maintainable component libraries
- π Data-Heavy Interfaces β Optimizing performance for complex tables, charts, and real-time updates
- π Build Optimization β Modernizing build pipeline with Vite, reducing build time by 70%
- π± Cross-Platform Development β React Native apps for iOS and Android
Side Projects & Experiments
- π€ Browser Automation β Playwright/Puppeteer for testing and scraping
- π Data Analytics β PostgreSQL + visualization tools for business intelligence
- π¨ UI/UX Innovation β Exploring new design patterns and animation techniques
- π§ Developer Tools β Building internal tools to boost team productivity
πΌ What I Bring to the Table
As a Principal Frontend Engineer with 15+ years of experience:
Technical Excellence
β
Expert-level proficiency in React, TypeScript, and modern JavaScript
β
Deep understanding of performance optimization and scalability
β
Proven ability to architect complex frontend systems from scratch
β
Strong focus on code quality, testing, and maintainability
Leadership & Mentorship
β
Experience leading and mentoring frontend teams
β
Establishing best practices, coding standards, and processes
β
Bridging communication between product, design, and engineering
β
Technical decision-making aligned with business goals
Business Impact
β
Track record of improving user experience through performance optimization
β
Reducing development costs through reusable components and tooling
β
Accelerating delivery with modern development practices
β
Building scalable solutions that grow with the business
π‘ Open to Opportunities
Looking for my next challenge as a Senior, Staff, or Principal Frontend Engineer:
- π― Frontend Architecture roles in product-driven companies
- π Technical Leadership positions building and scaling frontend teams
- π» Complex UI Challenges requiring deep React/TypeScript expertise
- π Remote opportunities with international teams
- π’ Consulting on frontend architecture and performance optimization
Ideal Role: Leading frontend architecture for SaaS, fintech, or high-traffic consumer products where scalability, performance, and user experience are critical.
π« Letβs Connect
Iβm always interested in discussing:
- ποΈ Frontend architecture patterns and best practices
- β‘ Performance optimization techniques
- π¨ Building scalable design systems
- π₯ Engineering team leadership and mentorship
- π Modern frontend tooling and workflows
Get in touch:
βοΈ If you find my work interesting, give my repos a star!
π¬ Open to collaboration on challenging frontend projects