let MykytaYefruiev = new TechLead();

plan -> build -> verify -> improve

const ownership = product + code + team;

await unblockAmbiguousWork();

review.practices.makeQualityVisible();

ship({ calm: true, chaos: false });

> ./init_portfolio.sh

Hello, I'mMykyta Yefruiev

I can turn vague requirements into clear plans, architecture, code, reviews, and shipped features. I stay close to implementation while helping teams move with clearer ownership and less chaos.

View Projects Contact Me Download CV

Available for hire

SCROLL DOWN

> cat experience.log

Commercial Experience

Key client projects across AI workflows, trading products, identity management, and enterprise administration systems.

2025 - Present

OCR / AI Validation System

Full-Stack Technical Lead

Designed and implemented a document validation workflow with upload APIs, AWS S3 storage, asynchronous processing, OCR/AI provider integrations, and human-reviewable outputs.

2025

Embeddable AI Widget

Full-Stack Technical Lead

Built an iframe-based AI widget that can be injected into third-party web applications, with clear host-app integration boundaries and a reusable delivery model.

2025

HubSpot Questionnaire App

Full-Stack Developer

Delivered a practical business questionnaire product with backend submission flows and HubSpot integration, keeping the implementation focused on business value.

2022 - 2024

Carbon Credits Marketplace & Trading Platform

Frontend Technical Lead

Led frontend development from scratch for a carbon credits marketplace and trading product, shaping the SSR-friendly stack, onboarding engineers, and shipping real-time user flows.

02/2025 - 03/2025

Real-Time Trading Platform Discovery

Frontend Technical Lead

Worked with stakeholders during discovery, clarified requirements, wrote ADRs, compared implementation options, and produced estimates for budget and delivery planning.

2024

Web3 Admin Platform Rebuild

Frontend Technical Lead

Joined a partially built application, rebuilt the frontend structure, standardized the UI layer, raised unit test coverage, and helped unblock smart contract-related delivery issues.

2020 - 2022

Identity Management Platform

Technical Lead

Worked in enterprise identity management, including Ping Identity-related flows, MFA experiences, device-oriented authentication UX, admin dashboards, and frontend microservices.

2018 - 2020

Remote Device Administration Platform

Middle -> Senior Frontend Developer

Built data-heavy admin workflows for managing remote machines, running commands, scheduling recurring tasks, and monitoring system activity across time zones.

> ls -la ./leadership

Technical Leadership & Mentoring

The people side of delivery: mentoring, feedback, hiring, and helping engineers become more independent.

Mentoring Intern Team

Guided rotating frontend and backend interns through practical delivery habits: asking better questions, slicing work, reviewing code, and learning Scrum without making it theater.

// project.status = "completed"

Technical Skills Assessment

Helped evaluate engineers through internal assessments and technical interviews, with a focus on fair signals, useful feedback, and real engineering judgment.

// project.status = "completed"

> ./run_side_projects.sh

Fun Side Projects

Small tools I built for my own life, usually because a repetitive task annoyed me enough to automate it.

RyanAir Flight Tracker

A small travel helper that checks RyanAir prices on a schedule and emails me when a route becomes worth booking.

// project.status = "completed"

Rent Marketplace Crawler

Playwright crawler for rental listings with Telegram notifications. Built because refreshing apartment sites by hand gets old fast.

// project.status = "completed"

Albion Online Marketplace Calculator

Marketplace calculator for Albion Online that compares city prices and spots trades worth the trip.

// project.status = "completed"

~/projects

$ git log --oneline -5

a1b2c3d feat: add real-time notifications

e4f5g6h fix: resolve API rate limiting

i7j8k9l chore: optimize performance

m0n1o2p feat: implement dark mode

q3r4s5t docs: update README

> nc -lvp 1337 --listen

Let's Connect

I'm currently open to new opportunities and collaborations. Whether you have a project in mind or just want to say hello, feel free to reach out!

Available for Hire

Looking for new challenges and exciting projects

Remote Ready

Experienced in distributed team collaboration

> find ~/social -type link

GitHub LinkedIn