Mustafa Savul

Senior Frontend Developer

Istanbul, Turkey

• Reduced page load time by 20% on high-traffic storefront pages by optimizing rendering strategy, image delivery and asset bundling across a platform serving millions of monthly visitors.
• Shortened build and deployment time by 25% by refactoring CI/CD pipelines and introducing automated code quality standards, enabling more frequent and stable releases.
• Delivered multi-language and multi-currency shopping journeys for a fashion retailer operating in 60+ countries by building and maintaining React.js interfaces integrated with .NET Razor and legacy jQuery systems.
• Kept a storefront serving millions of monthly visitors stable by resolving production issues and working with backend teams on seamless frontend-backend integration.
• Improved maintainability across a hybrid legacy and modern codebase by migrating recurring UI patterns into reusable React components, reducing duplicated code.

Senior Frontend Developer

Istanbul, Turkey

• Reduced initial bundle size by 30% by implementing code splitting, refactoring shared modules and eliminating redundant dependencies, improving first-load performance for enterprise users.
• Enabled 3+ teams to build and deploy independently by implementing Micro Frontend architecture with Module Federation and Lerna, removing release-cycle blocking between teams.
• Raised unit test coverage on core modules to 60% by establishing GitLab CI pipelines and introducing Jest testing standards, measurably reducing regressions reaching QA.
• Served multiple corporate clients from a single configurable codebase by architecting a multi-tenant enterprise platform with React.js and TypeScript, reducing per-client customization effort.
• Saved the team several hours of manual work per week by building internal Node.js tools that automated repetitive project setup and release tasks.

Frontend Developer

Istanbul, Turkey

• Reduced LCP by 8% and brought CLS below the 0.1 “good” threshold on key pages by refactoring render-blocking resources and optimizing layout stability across one of Turkey's largest e-commerce marketplaces.
• Increased organic visibility and indexability of category and product pages by applying SEO-oriented SSR/CSR rendering strategies aligned with technical SEO requirements.
• Delivered features to millions of monthly visitors by developing scalable React.js components within a Micro Frontend architecture shared across multiple product teams.
• Accelerated campaign and merchandising rollouts by building dynamic UI systems driven by data-based rendering logic, removing the need for code changes per campaign.

Frontend Developer

Istanbul, Turkey

• Established the entire frontend architecture from scratch using Next.js, React.js and TypeScript, delivering a production-ready foundation for all subsequent product modules.
• Accelerated feature delivery across all product modules by developing a shared library of 40+ reusable components with Styled Components, documented in Storybook and adopted company-wide.
• Delivered real-time streaming capability by integrating Amazon Interactive Video Service (IVS) into the platform's core experience.
• Enabled modular and independently scalable development by implementing Micro Frontend architecture with Lerna.
• Maintained code quality standards by enforcing SonarQube quality gates and Jest unit testing within CI/CD pipelines.

Frontend Developer

Istanbul, Turkey

• Reduced UI development time across projects by building a shared set of 20+ reusable, maintainable React components with TypeScript.
• Ensured a consistent user experience across devices and browsers by developing cross-browser compatible, responsive features.
• Translated business requirements into scalable UI components by applying component-based architecture and modern state management patterns with React Hooks.

Frontend Developer

Istanbul, Turkey

• Delivered 10+ client web applications using JavaScript, React.js and .NET MVC, supporting brands across multiple industries.
• Raised Lighthouse performance scores on delivered projects by implementing frontend optimizations, rendering improvements and SEO-oriented markup.
• Reduced design-to-development handoff time by building reusable UI components directly from Figma, Zeplin and Adobe XD specifications.
• Ensured cross-browser compatibility across delivered projects using BrowserStack testing workflows.

Bachelor's Degree in Management Information Systems (Distance Education)

Turkey

Associate Degree in Computer Programming

Istanbul, Turkey