Михайло

Mykhailo Solodzhuk
Full-Stack Developer · React · Node.js · TypeScript · AI/LLM Integration
Ivano-Frankivsk, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) | github.com/miysdk

SUMMARY
Full-stack developer with 3 years of commercial experience building production web applications
across the full stack — frontend-leaning, but equally comfortable on the backend. Real, shipped
experience integrating AI and LLMs into live products: RAG pipelines, OpenAI API, prompt
systems, vector knowledge bases, AI vision, and voice-to-text. Own features end to end, from
database design to deployed UI, and like clean, maintainable code and clear ownership.

TECHNICAL SKILLS
Languages: JavaScript (ES6+), TypeScript, Python
Frameworks: React, Redux/Context API, Angular, Express, Flask, FastAPI
AI / LLM: OpenAI API, RAG pipelines, prompt engineering, embeddings & vector search, AI vision,
voice-to-text
Databases: PostgreSQL, MySQL, MongoDB, SQLite — schema design, query optimization,
migrations (Sequelize, Mongoose)
Integrations: Stripe (subscriptions, webhooks, billing), Meta / WhatsApp API, Graph API, Slack API,
oAuth authentication, other third-party services
Tooling & Infra: Bootstrap, MUI, SCSS/SASS, REST API design, WebSockets, JWT authentication,
middleware, clean architecture, microservice architecture, Git / GitHub, Docker, CI/CD, CORS, AWS &
Azure (exposure), AI-assisted development workflows
Patterns: SOLID, Dry, DDD, Singleton & Factory creational patterns, BFF, MVC, Layered Architecture,
Dependency Injection, Compound Components, Provider Pattern, Container/Presentational Pattern

PROFESSIONAL EXPERIENCE

Full-Stack Developer — RAIN LAB Aug 2023 – Present
Remote, Ukraine · Full-time · SaaS · Healthcare and Wellness
•​ Acted as sole developer and architect across all company projects — owned database and system
architecture, technical research, and development planning; mentored interns and collaborated
with designers and PMs on feature delivery.
•​ Designed and built a user portal for chatbot subscribers — JWT authentication, oAuth
authentication, account settings, free vs. pro tier logic, and a full Stripe payment system covering
subscriptions, discounts, and billing flows. (React, Node.js, Express, MySQL, MUI, SCSS)
•​ Developed an internal CRM tool for chatbot and user management — real-time analytics
dashboard, engagement statistics, prompt editor, knowledge-base editor (add/remove
documents), per-bot reboot system, log viewer, and admin-level user management. (React,
Node.js, Express, PostgreSQL, Bootstrap)
•​ Built a production WhatsApp AI chatbot platform from scratch — integrated Meta (Graph) API
and OpenAI API, implemented RAG for custom knowledge retrieval, prompt management, AI
vision for image recognition, voice-to-text, automated daily messaging, and chat summaries.
(Python, Flask, MySQL)
•​ Built the company landing page — multilingual support, embedded AI chatbot widget,
third-party event integration, newsletter signup, and contact / feedback forms. (React, Node.js,
Express, PostgreSQL, SCSS)
Full-Stack Web Development Teacher — IT STEP Academy Nov 2022 – Oct 2023
Ivano-Frankivsk, Ukraine · Full-time
•​ Taught a full web development curriculum to 5 groups of 15–25 students — HTML/CSS and
JavaScript through Bootstrap, Node.js, React, and Express, culminating in a final team project.
•​ Rewrote and updated outdated curriculum sections with current best practices and replaced
stock exercises with custom, creative assignments — including optional challenge tasks for
advanced students.
•​ Guided students from fundamentals to deployed projects, giving hands-on experience with real
development workflows (Git, npm, deployment) and constructive code feedback.
•​ Several students switched career tracks from web design to development after the course, citing
the JavaScript classes as the turning point.

Intern Developer — Sombra May 2022 – Oct 2022
Internship program
•​ Designed and implemented a scalable warehouse management application using React and
Node.js.
•​ Deepened understanding of modern JavaScript frameworks, Node.js, responsive design, and
SCSS/Sass preprocessing.

EDUCATION
Computer Software Engineering Sep 2020 – Nov 2023
IT STEP Computer Academy

Automation and computer-integrated technologies 2022 – 2025​
Ivano-Frankivsk National Technical University of Oil and Gas

Associate's Degree, Applied Mathematics 2018 – 2022
Vasyl Stefanyk Precarpathian National University

LANGUAGES
English — Advanced (C1) Ukrainian — Native