Hi, I'm Alex Teplyh, a Senior Front-End Software Engineer with 10 years of experience designing, developing, and deploying scalable, user-centric web applications and engineering automation tools. I'm proficient in modern JavaScript frameworks, particularly React, Next.js, and TypeScript. I excel at architecting robust front-end solutions, defining intuitive use flows (wireframes/UX), and ensuring seamless integration with diverse back-end services, including Node.js and REST APIs. I enjoy collaborating with cross-functional teams to deliver maintainable, high-performance software.

Alex Teplykh

Hi, I'm Alex Teplyh, a Senior Front-End Software Engineer with 10 years of experience designing, developing, and deploying scalable, user-centric web applications and engineering automation tools. I'm proficient in modern JavaScript frameworks, particularly React, Next.js, and TypeScript. I excel at architecting robust front-end solutions, defining intuitive use flows (wireframes/UX), and ensuring seamless integration with diverse back-end services, including Node.js and REST APIs. I enjoy collaborating with cross-functional teams to deliver maintainable, high-performance software.

Available to hire

Hi, I’m Alex Teplyh, a Senior Front-End Software Engineer with 10 years of experience designing, developing, and deploying scalable, user-centric web applications and engineering automation tools.

I’m proficient in modern JavaScript frameworks, particularly React, Next.js, and TypeScript. I excel at architecting robust front-end solutions, defining intuitive use flows (wireframes/UX), and ensuring seamless integration with diverse back-end services, including Node.js and REST APIs. I enjoy collaborating with cross-functional teams to deliver maintainable, high-performance software.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

Ukrainian
Fluent
English
Fluent

Work Experience

Senior Front-End Software Engineer at Teplyh.com (Self-owned Web Development Business)
February 1, 2024 - February 1, 2024
Led full development lifecycle for 15+ client projects, focusing on front-end development and UI/UX across platforms (React, Next.js, Astro), implemented custom data visualization components, and ensured robust integration with Node.js/Express REST APIs and back-end services.
Chief Executive Officer / Lead Developer at Teplyh.com (Self-owned Web Development Business)
February 1, 2024 - February 1, 2024
Led all aspects of design and development for client projects; conceptualized wireframes and intuitive UI/UX solutions; managed integration of front-end with diverse back-end services (Node.js, LAMP, custom APIs); ensured robust data handling and cross-browser compatibility.
Senior Front-End Engineer (Freelance Consultant) at Upwork (Platform)
September 1, 2024 - September 1, 2024
Successfully delivered 54+ freelance web applications and API projects with a 100% job success score; optimized front-end performance and code quality; conducted rigorous code reviews and debugging; contributed to MERN stack deployments.
Senior Search Engine Optimization Specialist (Technical Focus) at Rankberry
August 1, 2019 - August 1, 2019
Led ongoing optimization projects with data-driven strategies to increase organic traffic and client acquisitions; conducted deep-dive technical website audits; improved performance metrics and site architecture.
Senior Software Engineer at Promotion Center Inc. (PMC)
September 1, 2024 - November 27, 2025
Senior software engineering role focused on front-end solutions for United States-based clients; collaborating with cross-functional teams to deliver production-ready interfaces.
Senior Software Engineer at Promotion Management Center Inc. (PMC)
September 1, 2024 - November 27, 2025
Designed and built the front-end for a complex internal Data Reporting and AI-powered application using Next.js, React Hooks, TypeScript, Tailwind CSS, delivering an intuitive UX. Implemented custom data visualization components using Recharts to present complex extracted data and reporting metrics in an easily digestible dashboard. Orchestrated end-to-end integration, configuring the React front-end to consume data from a Node.js/Express REST API and leveraging advanced processing services (Google Gen AI/OCR). Defined the overall user flow, component structure, and modular architecture with a focus on maintainability and future extensibility.
Senior Software Engineer (Freelance) at Upwork (Primary Client Sourcing Platform)
September 1, 2024 - September 1, 2024
Delivered 54+ freelance web applications and API projects with a 100% Job Success Score, focusing on rapid development of user-facing features and robust front-end architecture. Provided specialized consulting to optimize front-end performance, code quality through rigorous code reviews, debugging, and continuous optimization techniques. Demonstrated proficiency with the MERN stack to deliver scalable full-stack solutions, integrating front-end components with multiple back-end data stores and service endpoints.
Senior Search Engine Optimization Specialist at Rankberry
August 1, 2019 - August 1, 2019
Led ongoing optimization projects, implementing data-driven strategies to increase organic traffic and customer acquisition. Conducted deep-dive technical website audits and optimization for modern frameworks including React, Next.js, and PHP, focusing on performance metrics and site architecture.

Education

Bachelor of Science in Computer Science at Central Ukrainian National Technical University, Kropyvnytskyi, Ukraine
January 1, 2014 - January 1, 2017
Bachelor of Science in Computer Engineering at Kirovohrad Mechanical Building College, Ukraine, Kropyvnytskyi
January 1, 2010 - January 1, 2014
Bachelor of Science in Computer Science at Central Ukrainian National Technical University
January 1, 2014 - January 1, 2017
Bachelor of Science in Computer Engineering at Kirovohrad Machine Building College
January 1, 2010 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment