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Denis S. React, Node.js and AI Platforms

My name is Denis S. and I have over 4 years of experience in the tech industry. I specialize in the following technologies: Web Development, iOS Development, UX & UI, Mobile App Development, API Development, etc.. I hold a degree in Bachelor of Engineering (BEng), Master of Engineering (MEng). Some of the notable projects I've worked on include: Mobile-First Charter Bus Booking App, Health & Wellness Multi-Tenant App, Vendor Portal for Instant Cashback on Everyday Purchases, Mental Health App Built for Wellness and Real-Time Support, AI-Native Real Estate CRM for Effortless Deal Management, etc.. I am based in Kharkiv, Ukraine. I've successfully completed 45 projects while developing at Softaims.

I am a business-driven professional; my technical decisions are consistently guided by the principle of maximizing business value and achieving measurable ROI for the client. I view technical expertise as a tool for creating competitive advantages and solving commercial problems, not just as a technical exercise.

I actively participate in defining key performance indicators (KPIs) and ensuring that the features I build directly contribute to improving those metrics. My commitment to Softaims is to deliver solutions that are not only technically excellent but also strategically impactful.

I maintain a strong focus on the end-goal: delivering a product that solves a genuine market need. I am committed to a development cycle that is fast, focused, and aligned with the ultimate success of the client's business.

Main technologies

  • React, Node.js and AI Platforms

    4 years

  • Web Development

    2 Years

  • iOS Development

    2 Years

  • UX & UI

    2 Years

Additional skills

Direct hire

Potentially possible

Previous Company

Lumitech

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Experience Highlights

Mobile-First Charter Bus Booking App | Web Developer | React Native

As a senior web developer, react developer, and wordpress developer, I build SaaS platforms like Busify to help utility companies and energy providers monitor and manage power grids. Using React, Reac

Health & Wellness Multi-Tenant App | Web Developer

Keywords: React, JavaScript, Node.js, API, Python, TypeScript, CSS, Web Application, PostgreSQL, Next.js, Amazon Web Services, API Integration, HTML, Web Development, RESTful API, Django, MongoDB, API

Vendor Portal for Instant Cashback on Everyday Purchases

As a Full-Stack Web Developer, I built a modern cashback platform for retail and e-commerce shoppers. Tech stack: React.js, Next.js, React Native, Node.js, Laravel/PHP, Python, Express.js, REST APIs,

Mental Health App Built for Wellness and Real-Time Support

As a Full-Stack Web Developer, I led architecture, backend, and mobile for Loqui Listening — an on-demand support platform. Tech stack: React.js, Next.js, React Native, Node.js, Laravel/PHP, Python, E

AI-Native Real Estate CRM for Effortless Deal Management

As a Python Full-Stack Developer, I built an end-to-end automation platform for realtors — backend logic, smart workflows, and a responsive web frontend. Used React.js, Next.js, Node.js, Laravel/PHP,

Education

  • National Aerospace University "Kharkiv Aviation Institute"

    Bachelor of Engineering (BEng) in Software Engineering

  • National Aerospace University "Kharkiv Aviation Institute"

    Master of Engineering (MEng) in Software Engineering

Languages

  • English (Fluent)✓
  • Russian (Native or Bilingual)