Ukraine

Front-end

Poltava National Technical University

Serhii Pietinov

Senior Front-End Engineer | AI Integration

GitHub

Communication

Problem-solving

Leadership

Python

React

Node.js

Introduce yourself, define mentoring expectations and goals. Learn and grow together.

General mentorship

Tips for transitioning into a new role or company.

Changing roles

How to successfully prepare and position yourself for a job promotion?

How to get promoted

How to ask for a promotion and negotiate for salary raise?

Negotiating a job offer

Get actionable feedback on your resume or portfolio.

Resume and portfolio review

Practice HR, technical and behavioural interviews with mentors.

Practice mock interviews

Talk to people who've broken into the tech industry and learn their stories.

Breaking into tech

Learn the best ways to answer technical interview questions with frameworks

Acing technical interview questions

Building AI-assisted full-stack systems: React/Next.js/TypeScript frontends paired with Python and MCP integrations. Delivered a real-time drone telemetry dashboard (React, Zustand, react-leaflet, pymavlink, WebSockets).

Redesigned a CRM interface for the energy sector using React, Redux Toolkit and GraphQL, cutting task completion time by 25% and improving app responsiveness by 30%.

Improved accessibility (WCAG) and cross-browser stability for fintech SPA products, reducing bug resolution time and improving reliability for end users.

Delivered clean, maintainable client-side code and streamlined CI/CD deployment workflows, reducing technical debt and speeding up releases.

Serhii Pietinov🇺🇦

About Serhii Pietinov

Expertise

Sessions with Serhii Pietinov