Andrii Furmanets
Full-Stack Developer | React, TypeScript, Next.js | Ruby on Rails
A highly skilled Senior Full-Stack Developer with expertise in React, TypeScript, and Next.js for frontend and Ruby on Rails for backend solutions. Adept at crafting high-performance applications for fintech, Web3, and healthcare industries, delivering scalable and user-friendly solutions.
About Me
Senior Full-Stack Developer | Fintech & Web3 Specialist
I am a Senior Full-Stack Developer with expertise in React, TypeScript, and Next.js for frontend development and Ruby on Rails for backend solutions. Over the years, I have built scalable, high-performance applications across fintech, Web3, and healthcare industries, delivering user-centric frontend experiences alongside robust backend architectures.
I specialize in building, optimizing, and scaling applications that combine technical precision with business impact, ensuring seamless user experiences while maintaining high security and performance standards.
What I Bring to the Tech Industry
🚀 A Versatile and Well-Rounded Engineer
I thrive at the intersection of frontend and backend development, allowing me to architect complete solutions—from intuitive user interfaces to highly optimized backend APIs. My work spans multiple domains, including:
- Fintech – Creating secure financial platforms that streamline transactions and data flow.
- Web3 & Blockchain – Developing decentralized applications (dApps) that redefine digital ownership and governance.
- Healthcare – Building data-driven applications that enhance medical workflows.
What sets me apart:
- I understand how the entire software stack fits together.
- I bridge the gap between scalability, security, and performance.
- I can step into any stage of development, from prototyping to production optimization.
⚡ Problem-Solver, Not Just a Coder
I don't just write code—I solve complex technical and business challenges. Whether it's reducing friction in financial transactions, integrating decentralized systems, or scaling high-traffic platforms, I focus on delivering solutions that make a measurable impact.
- Built and launched a career management advisory UI for a fintech startup, which helped executives proactively manage their careers—earning 90%+ positive user feedback.
- Optimized fintech trading platforms, reducing latency and improving real-time transaction accuracy.
- Led Web3 integration efforts on blockchain-based platforms, ensuring high security and seamless UX.
How I think:
- "Does this solution scale?"
- "How does it impact user experience?"
- "Can it be optimized for better performance?"
👨‍💻 A Technical Leader with a Growth Mindset
As a senior developer, I don't just build—I help teams and projects move in the right direction. I've had the opportunity to guide frontend teams, shape technical roadmaps, and mentor junior engineers to ensure best practices and maintainable architectures.
- I lead by example, making sure every technical decision adds long-term value.
- I've mentored frontend engineers, helping them improve React, TypeScript, and system design skills.
- I ensure codebases remain scalable, maintainable, and performant—even as applications grow in complexity.
My leadership philosophy:
- Write clean, maintainable code that stands the test of time.
- Guide teams toward efficient, scalable architectures.
- Encourage continuous learning, staying ahead of industry trends.
🎯 A Developer Who Understands Business & Product Needs
I believe that great engineering goes beyond just code—it's about understanding the business context and user experience. I work closely with product managers, designers, and stakeholders to align technical decisions with business goals.
- In fintech, I build platforms that prioritize security, compliance, and transaction efficiency.
- In Web3, I balance decentralization with usability and performance.
- In startups, I work directly with founders to turn ideas into scalable products.
I don't just ask "How do we build this?"—I ask "How do we build this the right way?"
đź“š A Lifelong Learner and Innovator
Technology evolves fast, and I make it a priority to stay ahead of the curve. I am constantly exploring new technologies like Rust, AI-driven development, and advanced cloud infrastructures, ensuring that the solutions I build today are future-proof and scalable.
- I actively follow emerging trends in Web3, AI, and cloud computing.
- I contribute to open-source projects and technical discussions.
- I continuously refine and optimize development processes to increase efficiency.
For me, software engineering is not just a job—it's a continuous pursuit of innovation and improvement.
Let's Connect!
I am always open to discussing exciting projects, technical challenges, and opportunities for collaboration. Whether it's a new fintech solution, a blockchain-based application, or an innovative startup idea, I bring a problem-solving mindset and deep technical expertise to the table.
Career Timeline
NEAR Protocol
2021 - PresentSenior Software Engineer
Working on blockchain and Web3 technologies, contributing to the development of decentralized applications and infrastructure.
NEAR Protocol
2021 - PresentSenior Software Engineer
Working on blockchain and Web3 technologies, contributing to the development of decentralized applications and infrastructure.
Chime
2019 - 2021Senior Software Engineer
Built and launched a career management advisory UI for a fintech startup, enabling executives to manage career paths more proactively—received 90%+ positive user feedback.
Chime
2019 - 2021Senior Software Engineer
Built and launched a career management advisory UI for a fintech startup, enabling executives to manage career paths more proactively—received 90%+ positive user feedback.
Intellias
2017 - 2019Frontend Developer
Led technical decision-making in multiple projects, ensuring scalable, maintainable, and high-performance architecture for banking and finance applications.
Intellias
2017 - 2019Frontend Developer
Led technical decision-making in multiple projects, ensuring scalable, maintainable, and high-performance architecture for banking and finance applications.
Became a Father
December 15, 2017Life's Greatest Achievement
Welcomed my child into the world and began the most rewarding journey of my life.
Became a Father
December 15, 2017Life's Greatest Achievement
Welcomed my child into the world and began the most rewarding journey of my life.
CyberCraft
2015 - 2017Full-Stack Developer
Developed full-stack solutions for startups and career management platforms, focusing on responsive design and user experience.
CyberCraft
2015 - 2017Full-Stack Developer
Developed full-stack solutions for startups and career management platforms, focusing on responsive design and user experience.
SoftServe
Dec 2012 - Jan 2015Backend Developer
Crafted a Ruby DSL for healthcare report rendering, turning raw data into actionable charts and tables. Tech: Ruby, Rails, RSpec, Cucumber
SoftServe
Dec 2012 - Jan 2015Backend Developer
Crafted a Ruby DSL for healthcare report rendering, turning raw data into actionable charts and tables. Tech: Ruby, Rails, RSpec, Cucumber
Skills & Expertise
A comprehensive overview of my technical skills and areas of expertise.
Frontend Technologies
Backend Technologies
Web3 & Blockchain
DevOps & Deployment
Security & Authentication
Testing & Debugging
Additionally, I have expertise in performance optimization, scalability, and mentoring junior developers.
Education & Certifications
My academic background and professional certifications.
Education
Master's Degree in System Programming
Lviv Polytechnic National University
2008 - 2013
Specialized in software engineering and system programming, with a focus on algorithm design and optimization.
Certifications
MongoDB for Developers
MongoDB University
EFSET Quick English Check (CEFR B1/B2)
EF Standard English Test
Get In Touch
Have a project in mind or want to discuss potential opportunities? Feel free to reach out.
Contact Information
Feel free to reach out through any of these channels.
GitHub
github.com/afurmLocation
Lviv, Ukraine