Konstantin S.
Frontend Developer
With a strong background in e-commerce, healthcare, and warehousing, he has built and maintained scalable web applications focused on performance and usability. His experience also includes architecture design, mentoring, code reviews, and team leadership, as well as contributing to hiring and technical evaluation processes.
A strong advocate of the mobile-first approach, Konstantin focuses on delivering high-performance, user-friendly applications with clean and maintainable frontend architecture.
Main expertise
JavaScript10 years
Vue.js7 years
Shopify6 years
HTML10 yearsExperience4
Senior Frontend Engineer
- Designed, built, and scaled enterprise-grade software solutions within large and complex codebases
- Structured scalable and maintainable software architectures across multiple technologies for enterprise applications
- Conducted in-depth code reviews and mentored engineers to improve development standards and support work within complex systems
- Led engineering teams in high-stakes environments, ensuring technical alignment with business objectives
- Recruited and evaluated engineering talent through technical interviews and hiring processes for large-scale, multi-technology teams
JavaScriptVue.js
PostgreSQL
CSS
Bootstrap
Senior Frontend Engineer
- Served as Frontend Team Lead in the Belgrade office, managing and mentoring a frontend team while driving best practices and ensuring high-quality development in a large-scale enterprise environment
- Designed, built, and optimized enterprise applications within a complex multi-technology ecosystem
- Defined and implemented scalable frontend architectures integrated with backend services across large codebases
- Conducted thorough code reviews, mentored engineers, and improved development workflows in a fast-paced environment
JavaScriptVue.jsBootstrap
SCSS
Vuex
Frontend Developer
- Led the full product development lifecycle from concept to deployment, building a custom e-commerce platform with an integrated back-office solution
- Designed and implemented user-centric, high-performance features to improve user experience
- Built reusable, modular code and scalable architecture to support long-term maintainability
- Developed new features while optimizing and maintaining existing functionality to ensure stability and performance
- Implemented and optimized custom Shopify integrations for a large-scale e-commerce platform
MySQLJavaScriptVue.jsCSS
GraphQL
Frontend Developer
- Developed new user-facing features
- Built reusable code and libraries
- Implemented new features and maintained existing functionality
JavaScriptCSS
Design
HTML / CSSAssessments
Engineering excellence
Konstantin’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Frontend Developers at Proxify.
Portfolio
Highlighted by Konstantin
1Renhead has developed a comprehensive enterprise application that functions as both an Applicant Tracking System (ATS) and a Vendor Management System (VMS). This integrated platform streamlines the entire talent acquisition and procurement process, offering features such as one-click job postings, advanced resume parsing, and robust analytics. Designed to enhance collaboration and efficiency, the system provides immediate visibility into spending, project management, and vendor performance, making it a valuable tool for organizations managing a blended workforce
Other projects 1
Education
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