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I'm a Senior Fullstack Engineer with 5+ years of experience building SaaS products, e-commerce platforms, and internal business systems. I specialize in React, Next.js, Node.js, TypeScript, and PostgreSQL, and I own the entire product lifecycle from architecture and system design to front-end and back-end development, testing, and deployment. I've built platforms from scratch, integrated ERP/CRM, payments, and AI-powered solutions, and optimized performance and maintainability. I enjoy designing scalable, event-driven architectures and delivering reliable software with a strong sense of ownership from idea to release.…I'm a Senior Fullstack Engineer with 5+ years of experience building SaaS products, e-commerce platforms, and internal business systems. I specialize in React, Next.js, Node.js, TypeScript, and PostgreSQL, and I own the entire product lifecycle from architecture and system design to front-end and back-end development, testing, and deployment. I've built platforms from scratch, integrated ERP/CRM, payments, and AI-powered solutions, and optimized performance and maintainability. I enjoy designing scalable, event-driven architectures and delivering reliable software with a strong sense of ownership from idea to release.

Kirill Khlebnikov

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

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I'm a Senior Fullstack Engineer with 5+ years of experience building SaaS products, e-commerce platforms, and internal business systems. I specialize in React, Next.js, Node.js, TypeScript, and PostgreSQL, and I own the entire product lifecycle from architecture and system design to front-end and back-end development, testing, and deployment. I've built platforms from scratch, integrated ERP/CRM, payments, and AI-powered solutions, and optimized performance and maintainability. I enjoy designing scalable, event-driven architectures and delivering reliable software with a strong sense of ownership from idea to release.…I'm a Senior Fullstack Engineer with 5+ years of experience building SaaS products, e-commerce platforms, and internal business systems. I specialize in React, Next.js, Node.js, TypeScript, and PostgreSQL, and I own the entire product lifecycle from architecture and system design to front-end and back-end development, testing, and deployment. I've built platforms from scratch, integrated ERP/CRM, payments, and AI-powered solutions, and optimized performance and maintainability. I enjoy designing scalable, event-driven architectures and delivering reliable software with a strong sense of ownership from idea to release.

Available to hire

I’m a Senior Fullstack Engineer with 5+ years of experience building SaaS products, e-commerce platforms, and internal business systems. I specialize in React, Next.js, Node.js, TypeScript, and PostgreSQL, and I own the entire product lifecycle from architecture and system design to front-end and back-end development, testing, and deployment.

I’ve built platforms from scratch, integrated ERP/CRM, payments, and AI-powered solutions, and optimized performance and maintainability. I enjoy designing scalable, event-driven architectures and delivering reliable software with a strong sense of ownership from idea to release.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Fullstack Engineer at Inside360

May 1, 2022 - August 1, 2025

Developed and maintained e-commerce platforms using Next.js, React, TypeScript, and Strapi CMS, delivering product catalogs, search and filtering, SEO-driven pages, checkout flows, and custom business functionality. Improved front-end performance and Core Web Vitals by 40%, reducing catalog page load times by 1.5 seconds. Mentored 3 developers and led architectural decisions across multiple projects. Designed and implemented custom integrations between e-commerce platforms, CRM systems, and 1C ERP using Node.js, automating inventory, pricing, and order synchronization while reducing synchronization issues. Led architecture and development of multiple internal business applications, deploying SPA platforms, API integrations, and automation tools.

Tech Lead / Architect at Inside360

August 1, 2025 - Present

Owned the development of a CRM platform used by 1,000+ active users, supporting business workflows, reporting, role-based access control, and file processing. Designed backend services, database schemas, and integration workflows, delivering functionality from requirements to production. Built and maintained core business modules used daily by recruitment and operations teams. Refactored a tightly coupled integration layer into an event-driven architecture using Redis Pub/Sub, improving extensibility and enabling new integrations to be added with minimal changes to existing services. Built and launched an AI-powered recruiting assistant using LLMs and WebSockets, enabling candidate screening, internal knowledge search, and automated report generation.

Backend Developer / Research Engineer at Far Eastern Federal University

December 1, 2021 - March 1, 2023

Built backend services using FastAPI and Python for ingesting and processing data from multiple sensor systems, supporting real-time and batch data workflows. Developed data processing pipelines for high-volume experimental data, including filtering, normalization, feature extraction, and transformation for downstream analysis. Built computer vision solutions using OpenCV and deep learning models for real-time image analysis, including object segmentation and motion tracking. Developed internal web interfaces for data visualization and experiment monitoring using React and TypeScript.