Denis Riabchenko - Software Engineer

Senior Software Engineer

15+ years of experience delivering full stack software engineering solutions and leading high-performing technical teams. Passionate mentor and technical leader with extensive experience across fintech, healthcare, AI/ML, and blockchain sectors.

About Me

Hello! I'm Denis, a passionate software engineer with 15+ years of experience delivering full stack solutions and leading high-performing technical teams. My journey spans from early startup environments to established enterprises, always focused on building scalable and innovative solutions.

I specialize in modern web technologies including React, Next.js, and Python, with extensive experience in fintech, healthcare, AI/ML, and blockchain sectors. As a technical leader, I've successfully managed cross-functional teams, overseeing project lifecycles from design to deployment.

I'm passionate about mentoring developers, implementing innovative solutions, and driving technical direction. My recent work includes real-time analytics dashboards, VR/NFT platforms, and AI-powered applications that solve real-world problems.

15+

Years Experience

50+

Projects completed

40+

Happy Clients

24/7

Code Thinking

Skills & Technologies

Languages

JavaScriptTypeScriptPythonPHPSQLHTMLCSSSolidity

Frameworks & Libraries

ReactNext.jsVueAngularNode.jsD3.jsDjangoLaravelSymfony

Technologies

Web3AI/MLLangchainNLPRESTWebSocketsBlockchainNFTVR

Databases & Tools

PostgreSQLMySQLMongoDBGitDockerCI/CDAWSFirebaseAgileJiraFigma

Professional Experience

Feb 2023 - Present

Senior Frontend Engineer & Technical Lead

Aparavi - Santa Monica, CA

Leading a software engineering team, architecting and delivering innovative, high-impact solutions.

Aug 2019 - Feb 2023

Lead Software Engineer

Axi - London

Improved product scalability and frontend performance across multiple tools. Developed desktop and mobile applications with rich and high-performance UI. Reviewed code, debugged problems and corrected issues. Mentored junior members and delivered training to boost team skill sets.

Sep 2015 - Aug 2019

Lead Frontend Engineer

PsyQuation - Kyiv

Built a high-frequency financial analytics dashboard from scratch. Mentored junior developers and enforced modern engineering practices. Played a key role in company acquisition by AxiCorp. Reduced page load time by 50% using D3.js and React optimizations.

Dec 2012 - Sep 2015

Full-Stack Engineer

Truver - Kharkiv

Developed APIs and analytics dashboards for petrochemical market data. Built scalable backend systems and real-time data visualizations. Produced websites compatible with multiple browsers.

Jul 2010 - Dec 2012

Full-Stack Engineer

Web-Impress - Kharkiv

Got first commercial experience in software development. Worked on 4 projects with excellent results. Managed development milestones from initial steps through final delivery.