Fedir Kopakov CV
Senior Full-Stack, Frontend, UI Engineer + AI Integration
12 years of experience
Summary
Since 2013, I have specialized in creating high-quality MVPs, products, and startups. I excel at delivering responsive web applications, user interfaces, and AI-powered solutions using the latest technologies like React.js, Next.js, cloud services, and integrations. Passionate about rapid development and precise execution, I ensure on-time delivery with a focus on performance, scalability, and user experience.
Achievements
- Successfully developed around 200 projects.
- Ranked in the top 3% of freelancers on Upwork.
- Achieved 100% job success with hundreds of satisfied clients.
- Contributed to the development of products that have raised tens of millions in investments.
- Consistently leveraging the latest and most efficient modern technologies.
- Built dozens of long-term client relationships.
- One of their startups raised 60 million in investments. Possibly, others as well.
Experience
Developing BusinessPresent
kopakov. - Full-time
Miami, Florida, USA
Jan 2025 - Present
Developing and growing my business by focusing on marketing, lead generation, and building client relationships. In addition to providing services such as product development, startup and MVP creation, AI tool integration, and SaaS solutions, I am actively scaling operations and expanding service offerings to cater to a broader client base.
Full-Stack, Frontend, UI DeveloperPresent
Upwork - Full-time
Remote
Sep 2013 - Present
Successfully worked on approximately 200 projects, including AI integration and AI-focused startups, delivering high-quality applications and innovative solutions. Specialized in creating responsive dashboards, MVPs, and scalable SaaS products tailored to client needs.
Fractional CTO, Project Manager, Team Lead, Full-Stack Developer
Thentia - Full-time
Toronto, Canada
Mar 2024 - Sep 2024
Developed internal products and managed their full lifecycle, ensuring timely delivery and meeting technical requirements. Led full-stack and frontend development, product development, and conducted technical research to align solutions with business goals. The developed product is projected to save several million dollars in development costs over the next couple of years.
Full-Stack Developer, Team Lead, Project Manager
USA Company X (under NDA) - Full-time
Location x
Nov 2021 - Nov 2023
Delivered multiple React.js web apps and PHP/WordPress sites. Managed projects, hired freelancers, mentored junior developers, controlled deadlines, created technical tasks, performed QA, and provided consulting to junior developers. Achievements include delivering all projects on time with high quality, meeting all technical and business requirements.
Frontend Developer
Aviation Company - Full-time
Vancouver, British Columbia, Canada
Apr 2021 - Sep 2021
Developed a web app for a startup to represent and sell aviation services. Selected frontend technologies, created UIs with React, and connected them via GraphQL API. Set up the technical development base, building a scalable code base to support the growth of business services.
Frontend Developer
Startup (under NDA) - Full-time
San Francisco, California, USA
Sep 2020 - Feb 2021
Quickly developed a universal MVP web app and prepared it as a scalable template for future businesses. Deliverables included a responsive UI, login system, and user data dashboard.
Recommendations
Julian Cardarelli
3X Founder | Technology-focused | Public Sector Regulation | Authority Across 100+ Regulated Professions
I'll tighten this further by removing some redundancies while keeping the core message:
It is my great pleasure to recommend Fedir Kopakov for any software engineering position, particularly those focused on frontend development. I've had the privilege of working with Fedir during extraordinary circumstances that highlighted not just his technical excellence, but his remarkable resilience and dedication to craft.
Fedir possesses that rare combination of skills that makes him a complete frontend engineer - he seamlessly bridges the gap between design sensibility and technical implementation. While many developers excel at either the visual or technical aspects of frontend work, Fedir demonstrates mastery across the full spectrum. His deep understanding of UI/UX principles isn't just theoretical; he consistently translates that knowledge into elegant, intuitive interfaces that delight users while maintaining clean, maintainable code.
What truly sets Fedir apart is his ability to deliver exceptional work under the most challenging circumstances imaginable. While his homeland of Ukraine was under attack, with bombs literally falling nearby, Fedir remained focused and continued to produce outstanding code. This level of dedication and mental fortitude speaks volumes about his character and work ethic.
Technically, Fedir is nothing short of a wizard with JavaScript. His command of modern frameworks and build tools is comprehensive, but more importantly, he possesses a deep understanding of core JavaScript principles that allows him to solve complex problems elegantly. His code isn't just functional - it's thoughtfully architected, well-documented, and built with maintenance and scalability in mind.
What particularly impresses me about Fedir's work is his attention to the finer details of frontend development. His CSS implementations are masterful, creating responsive, accessible interfaces that work flawlessly across devices and browsers. His HTML is semantic and accessibility-focused, showing his commitment to creating truly inclusive web applications. This holistic approach to frontend development - combining technical excellence with user-centered design principles - is increasingly valuable.
Beyond his technical capabilities, Fedir is an exceptional team member. His communication is clear and thoughtful, and he has a talent for explaining complex technical concepts in accessible terms. He actively contributes to code reviews, providing insightful feedback that helps elevate the entire team's work.
In conclusion, I give Fedir my highest recommendation. His unique combination of technical expertise, design sensibility, and unwavering work ethic - demonstrated under the most challenging circumstances - make him an extraordinary candidate. Any organization would be fortunate to have him on their team. His ability to deliver outstanding work while maintaining high standards, even in a crisis, speaks to both his professional capabilities and character.
Updated: January 28, 2025, from the Birth of Christ
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