Nick User
@nickuser15
Product-focused full-stack engineer building realtime, AI-powered web applications.
UkraineWhat I'm looking for
I’m a product-focused fullstack engineer with 5+ years building realtime, AI-powered, and high-scale web applications end-to-end—from database to UI. I’m especially strong in architecture, performance, and shipping production systems.
I’ve used AI-assisted workflows and agent orchestration (Claude Code) to accelerate production engineering and prototyping. I take end-to-end ownership, from schema design and APIs to UI delivery and core business workflows.
Most recently, I served as a Lead Frontend Engineer on an AI Companion Platform (NDA) with 2M+ monthly active users. I owned features end-to-end in Next.js, improved page load performance by 40% using code splitting, lazy loading, and caching strategies, and migrated the codebase from JavaScript to TypeScript.
Before that, I built multiple products from scratch at UtopiaSoft, led a team of 4–6 developers, and implemented end-to-end testing that reduced release issues by 25%. I also solo-built and shipped Web3 tools and realtime market/trading bots running 24/7 on VPS infrastructure.
Experience
Work history, roles, and key accomplishments
Lead Frontend Engineer
AI Companion Platform (NDA)
Dec 2025 - Present (7 months)
Lead frontend engineer for an AI companion platform, owning features end-to-end across UI, Next.js server-side logic, database/API design, and core workflows for a product with 2M+ monthly active users. Improved page load performance by 40%, migrated the codebase to TypeScript, and supported SEO and compliance flows including content moderation and age-gating.
Independent contractor working with founders and product teams to deliver production-grade frontend for AI apps, games, and web platforms. Managed the full delivery cycle (scoping through shipping), achieving a 70%+ proposal-to-contract conversion rate with 10+ successful contracts and consistently 5-star reviews.
Frontend Web Developer
UtopiaSoft
Oct 2022 - Dec 2024 (2 years 2 months)
Built 3+ products from scratch at UtopiaSoft, covering architecture through deployment, while leading a team of 4–6 developers. Implemented end-to-end testing to reduce release issues by 25%, shipped custom canvas-based editors used by 5,000+ users, and mentored new team members to improve onboarding speed.
Education
Degrees, certifications, and relevant coursework
Yuriy Fedkovych Chernivtsi National University
Bachelor of Software Engineering, Software Engineering
Earned a Bachelor of Software Engineering from Yuriy Fedkovych Chernivtsi National University.
Tech stack
Software and tools used professionally
Availability
Location
UkraineAuthorized to work in
Job categories
Skills
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