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Hi there! I’m Vadym Pasichnyk, a Senior Full-Stack Engineer / Technical Lead with 7+ years of experience building SaaS platforms, marketplaces, internal tools, analytics products, and AI-powered systems. I work across the full software development lifecycle — from architecture and implementation to testing, deployment, and production support. My core stack includes Node.js, NestJS, Express, Vue/Nuxt, TypeScript, PostgreSQL, MongoDB, AWS, Docker, and CI/CD. I have experience designing scalable APIs, backend services, microservices, real-time features, and performance-focused user interfaces. I’ve also built AI-powered microservices using LLM APIs, led teams of up to 5 engineers, mentored developers, and owned architecture and delivery in production environments.…Hi there! I’m Vadym Pasichnyk, a Senior Full-Stack Engineer / Technical Lead with 7+ years of experience building SaaS platforms, marketplaces, internal tools, analytics products, and AI-powered systems. I work across the full software development lifecycle — from architecture and implementation to testing, deployment, and production support. My core stack includes Node.js, NestJS, Express, Vue/Nuxt, TypeScript, PostgreSQL, MongoDB, AWS, Docker, and CI/CD. I have experience designing scalable APIs, backend services, microservices, real-time features, and performance-focused user interfaces. I’ve also built AI-powered microservices using LLM APIs, led teams of up to 5 engineers, mentored developers, and owned architecture and delivery in production environments.

Vadym Pasichnyk

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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Hi there! I’m Vadym Pasichnyk, a Senior Full-Stack Engineer / Technical Lead with 7+ years of experience building SaaS platforms, marketplaces, internal tools, analytics products, and AI-powered systems. I work across the full software development lifecycle — from architecture and implementation to testing, deployment, and production support. My core stack includes Node.js, NestJS, Express, Vue/Nuxt, TypeScript, PostgreSQL, MongoDB, AWS, Docker, and CI/CD. I have experience designing scalable APIs, backend services, microservices, real-time features, and performance-focused user interfaces. I’ve also built AI-powered microservices using LLM APIs, led teams of up to 5 engineers, mentored developers, and owned architecture and delivery in production environments.…Hi there! I’m Vadym Pasichnyk, a Senior Full-Stack Engineer / Technical Lead with 7+ years of experience building SaaS platforms, marketplaces, internal tools, analytics products, and AI-powered systems. I work across the full software development lifecycle — from architecture and implementation to testing, deployment, and production support. My core stack includes Node.js, NestJS, Express, Vue/Nuxt, TypeScript, PostgreSQL, MongoDB, AWS, Docker, and CI/CD. I have experience designing scalable APIs, backend services, microservices, real-time features, and performance-focused user interfaces. I’ve also built AI-powered microservices using LLM APIs, led teams of up to 5 engineers, mentored developers, and owned architecture and delivery in production environments.

Available to hire

Hi there! I’m Vadym Pasichnyk, a Senior Full-Stack Engineer / Technical Lead with 7+ years of experience building SaaS platforms, marketplaces, internal tools, analytics products, and AI-powered systems.

I work across the full software development lifecycle — from architecture and implementation to testing, deployment, and production support. My core stack includes Node.js, NestJS, Express, Vue/Nuxt, TypeScript, PostgreSQL, MongoDB, AWS, Docker, and CI/CD.

I have experience designing scalable APIs, backend services, microservices, real-time features, and performance-focused user interfaces. I’ve also built AI-powered microservices using LLM APIs, led teams of up to 5 engineers, mentored developers, and owned architecture and delivery in production environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Ukrainian

Fluent

English

Advanced

Work Experience

Senior Full-Stack Engineer / Technical Lead at Financial Forecasting SaaS Platform

January 1, 2025 - Present

Led backend and frontend development for a high-scale SaaS product; designed scalable architecture, real-time features, and data-heavy workflows; implemented Node.js/NestJS backend and Vue/Nuxt frontend; oversaw AWS infrastructure and CI/CD pipelines; led a team of up to 5 engineers.

Senior Full-Stack Engineer / Technical Lead at Marketplace Startup (NDA)

January 1, 2024 - January 1, 2025

Built end-to-end features for a B2B/B2C marketplace; designed and implemented microservices, data pipelines, and embeddable widgets; led backend services with Node.js and frontend with Vue/Nuxt; contributed to architecture decisions and performance optimizations.

Project Lead at SkillStamp LLC

January 1, 2020 - January 1, 2023

Led development of a spreadsheet-based enterprise e-learning platform; built scalable interactive interfaces (dashboards, drag-and-drop builders) and data visualizations; drove architecture decisions, improved performance by ~50%, and delivered dashboards and data visualizations; coordinated a cross-functional team of engineers.

Senior Full-Stack Engineer at Gen Z Interactive Mobile Learning Platform

January 1, 2019 - January 1, 2020

Developed backend services and real-time features for a mobile learning platform; implemented frontend integrations; collaborated on API design and performance improvements.