I help companies build AI-powered products, internal business tools, customer portals and MVPs from idea to production.
Aktualisiert am 27.07.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 27.07.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Full-Stack Development
TypeScrip
React
Next.js
Node.js
Java
Spring Boot
PostgreSQL
Docker
REST API
Microservices
AWS
Git
CI/CD
Product Management
AI Integration
OpenAI API
LLM
Software Architecture
Agile
Scrum
Jira
HTML/CSS
German
B2-C1
English
B2
Russian
Muttersprache

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

5 years 11 months
2020-09 - now

AI-powered Pet Services Marketplace & Booking Platform

Co-Founder, Product Engineer, Full-Stack Developer TypeScript HTML/CSS Next.js ...
Co-Founder, Product Engineer, Full-Stack Developer
  • Designed and developed a multi-platform SaaS platform for the pet services industry.
  • Defined product architecture and implemented the complete application stack.
  • Developed Flutter applications for Android, iOS and Web.
  • Built backend services, REST APIs and PostgreSQL database.
  • Implemented booking workflows, business calendars and appointment management.
  • Designed role-based functionality for pet owners and service providers.
  • Integrated AI-powered features and multilingual localization.
  • Implemented authentication, payment workflows and notification system.
  • Optimized application performance and deployment pipeline.
  • Responsible for product management, UX decisions and technical architecture.
Flutter Next.js PostgreSQL Docker OpenAI API Firebase GitHub Actions
TypeScript HTML/CSS Next.js Flutter React PostgreSQL Docker REST API Product Management AI Integration SaaS Development
on request
Remote
2 months
2026-05 - 2026-06

B2B Lead Generation Platform & Corporate Website

Full-Stack Developer, Product Engineer, Technical Consultant Next.js React TypeScript ...
Full-Stack Developer, Product Engineer, Technical Consultant
  • Designed and developed a multilingual B2B platform for a German outdoor kitchen manufacturer.
  • Built the application using Next.js, React and TypeScript.
  • Designed backend architecture and PostgreSQL database.
  • Implemented responsive UI and multilingual routing (DE/EN).
  • Developed lead generation workflows and customer inquiry forms.
  • Integrated Google Analytics 4 with custom conversion events.
  • Implemented email delivery and notification workflows using Resend.
  • Integrated Telegram notifications for real-time lead processing.
  • Configured Docker-based deployment, Nginx reverse proxy and SSL.
  • Optimized SEO, Core Web Vitals and website performance.
  • Collaborated directly with business stakeholders and transformed requirements into production-ready software.
Next.js React TypeScript PostgreSQL Docker Nginx Google Analytics 4 Resend Telegram Bot API GitHub
Next.js React TypeScript PostgreSQL Docker REST API Google Analytics SEO CI/CD System Architecture
Grillhub
Remote
2 months
2026-02 - 2026-03

AI Character Platform & LLM SaaS

Founder, Product Engineer, Full-Stack Developer AI Integration Large Language Models (LLM) Next.js ...
Founder, Product Engineer, Full-Stack Developer
? Designed and developed an AI-powered SaaS platform from concept to production.
? Defined the overall product vision, software architecture and technical roadmap.
  • Designed scalable PostgreSQL database architecture using Drizzle ORM.
  • Built the frontend using Next.js, React and TypeScript.
  • Developed backend services and REST APIs with Node.js.
  • Integrated Large Language Model (LLM) APIs for real-time conversational AI.
  • Implemented streaming AI responses and conversation session management.
  • Designed long-term AI conversation memory and context management.
  • Developed secure authentication and authorization using NextAuth.
  • Implemented user profiles, character management and conversation history.
  • Integrated object storage and CDN for scalable delivery of voice assets and static content.
  • Implemented Server-Side Rendering (SSR), caching and SEO optimization.
  • Optimized application performance, scalability and user experience.
  • Configured Docker-based production environment, Nginx reverse proxy and SSL.
  • Implemented automated deployment workflow and production infrastructure.
  • Monitored production environment and continuously optimized reliability.
  • Responsible for product strategy, software architecture and full-stack development.
Next.js React TypeScript Node.js PostgreSQL Drizzle ORM NextAuth OpenAI API AI SDK REST API Docker Nginx Cloudflare CDN GitHub
AI Integration Large Language Models (LLM) Next.js React TypeScript Node.js PostgreSQL Drizzle ORM REST API Software Architecture Full-Stack Development Docker Cloudflare Authentication Performance Optimization SEO
on request
Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

2010 - 2011

Civil law

Omsk Law Academy (Omsk, Russia)


2001 - 2007

Computer Security

Omsk State University (Omsk, Russia)


Further Education

Fullstack Developer (Training program)

  • Completed an intensive Full-Stack Development program, covering modern web technologies and software architecture. Developed multiple full-stack applications including production-style projects, implementing frontend, backend, and database layers.
  • Worked on real-world tasks including API development, database design, and UI implementation. Applied Clean Architecture principles and best practices for scalable application design. Collaborated in a team environment using Git, code reviews, and Agile practices.
  • Strengthened skills in modern JavaScript/TypeScript ecosystem and backend development with Java/Spring.
  • Technologies: TypeScript, Next.js, React, Node.js, Java, Spring Boot, PostgreSQL, REST API
  • Agile Professional
  • Flutter Developer

Position

Position

Full Stack Developer

Kompetenzen

Kompetenzen

Top-Skills

Full-Stack Development TypeScrip React Next.js Node.js Java Spring Boot PostgreSQL Docker REST API Microservices AWS Git CI/CD Product Management AI Integration OpenAI API LLM Software Architecture Agile Scrum Jira HTML/CSS

Produkte / Standards / Erfahrungen / Methoden

Profile

Full-Stack Developer with a background in cybersecurity, product development, and technical infrastructure. Experienced in building web and mobile applications using TypeScript, React, Next.js, Node.js, Java/Spring, and Flutter. Previously led development of enterprise cybersecurity products and cross-functional engineering teams. Focused on modern web architectures, scalable APIs, and cloud-based systems, with hands-on experience developing Web3 and mobile platforms.


Skills

Frameworks & Libraries

  • React
  • Next.js
  • Node.js
  • Spring Boot
  • Flutter


Databases & APIs

  • PostgreSQL
  • MySQL
  • MongoDB
  • Firebase
  • REST API
  • Swagger


DevOps & Infrastructure

  • Docker
  • CI/CD
  • Linux (Ubuntu, Debian)
  • Amazon S3


Tools

  • GitHub
  • GitLab
  • Jira
  • Confluence
  • Postman
  • IntelliJ IDEA
  • VS Code


Architecture & Practices

  • Clean Architecture
  • Secure Software Development
  • Agile/Scrum


Work Experience

AI Character Chat Platform

  • Production AI chat platform for creating, discovering, and conversing with personalized AI characters.
    • Developed and deployed a production full-stack application using Next.js, React, and TypeScript.
    • Implemented streaming AI conversations with contextual memory, user profiles, and safety controls.
    • Built authentication with email/password and Google OAuth, plus character creation, ratings, and admin tools.
    • Integrated text-to-speech, object storage, PostgreSQL persistence, and VPS deployment workflows.


Skills:

TypeScript, React, Next.js, Node.js, PostgreSQL, Drizzle ORM, AI SDK, NextAuth, Cloudflare R2


Pet Services Marketplace (Mobile/Web App)

  • Pet services platform connecting pet owners with local service providers.
    • Developed cross-platform mobile application using Flutter.
    • Designed application architecture and service workflows.
    • Implemented user authentication, profiles, and booking functionality.
    • Built scalable marketplace logic for service providers and customers.


Skills:

Flutter, Dart, Firebase, REST API, Next.js


Web3 Interactive Canvas

  • Blockchain-based collaborative pixel canvas where users own and modify pixels.
    • Built React web application with interactive canvas rendering.
    • Integrated smart contracts on Polygon for pixel ownership and transactions.
    • Implemented zoom, pixel editing, and wallet integration.
    • Designed rendering logic for 1920×1080 pixel grid.


Skills:

TypeScript, React, Next.js, Solidity, Web3

Programmiersprachen

TypeScript
Java
Python
Dart
HTML
CSS

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

5 years 11 months
2020-09 - now

AI-powered Pet Services Marketplace & Booking Platform

Co-Founder, Product Engineer, Full-Stack Developer TypeScript HTML/CSS Next.js ...
Co-Founder, Product Engineer, Full-Stack Developer
  • Designed and developed a multi-platform SaaS platform for the pet services industry.
  • Defined product architecture and implemented the complete application stack.
  • Developed Flutter applications for Android, iOS and Web.
  • Built backend services, REST APIs and PostgreSQL database.
  • Implemented booking workflows, business calendars and appointment management.
  • Designed role-based functionality for pet owners and service providers.
  • Integrated AI-powered features and multilingual localization.
  • Implemented authentication, payment workflows and notification system.
  • Optimized application performance and deployment pipeline.
  • Responsible for product management, UX decisions and technical architecture.
Flutter Next.js PostgreSQL Docker OpenAI API Firebase GitHub Actions
TypeScript HTML/CSS Next.js Flutter React PostgreSQL Docker REST API Product Management AI Integration SaaS Development
on request
Remote
2 months
2026-05 - 2026-06

B2B Lead Generation Platform & Corporate Website

Full-Stack Developer, Product Engineer, Technical Consultant Next.js React TypeScript ...
Full-Stack Developer, Product Engineer, Technical Consultant
  • Designed and developed a multilingual B2B platform for a German outdoor kitchen manufacturer.
  • Built the application using Next.js, React and TypeScript.
  • Designed backend architecture and PostgreSQL database.
  • Implemented responsive UI and multilingual routing (DE/EN).
  • Developed lead generation workflows and customer inquiry forms.
  • Integrated Google Analytics 4 with custom conversion events.
  • Implemented email delivery and notification workflows using Resend.
  • Integrated Telegram notifications for real-time lead processing.
  • Configured Docker-based deployment, Nginx reverse proxy and SSL.
  • Optimized SEO, Core Web Vitals and website performance.
  • Collaborated directly with business stakeholders and transformed requirements into production-ready software.
Next.js React TypeScript PostgreSQL Docker Nginx Google Analytics 4 Resend Telegram Bot API GitHub
Next.js React TypeScript PostgreSQL Docker REST API Google Analytics SEO CI/CD System Architecture
Grillhub
Remote
2 months
2026-02 - 2026-03

AI Character Platform & LLM SaaS

Founder, Product Engineer, Full-Stack Developer AI Integration Large Language Models (LLM) Next.js ...
Founder, Product Engineer, Full-Stack Developer
? Designed and developed an AI-powered SaaS platform from concept to production.
? Defined the overall product vision, software architecture and technical roadmap.
  • Designed scalable PostgreSQL database architecture using Drizzle ORM.
  • Built the frontend using Next.js, React and TypeScript.
  • Developed backend services and REST APIs with Node.js.
  • Integrated Large Language Model (LLM) APIs for real-time conversational AI.
  • Implemented streaming AI responses and conversation session management.
  • Designed long-term AI conversation memory and context management.
  • Developed secure authentication and authorization using NextAuth.
  • Implemented user profiles, character management and conversation history.
  • Integrated object storage and CDN for scalable delivery of voice assets and static content.
  • Implemented Server-Side Rendering (SSR), caching and SEO optimization.
  • Optimized application performance, scalability and user experience.
  • Configured Docker-based production environment, Nginx reverse proxy and SSL.
  • Implemented automated deployment workflow and production infrastructure.
  • Monitored production environment and continuously optimized reliability.
  • Responsible for product strategy, software architecture and full-stack development.
Next.js React TypeScript Node.js PostgreSQL Drizzle ORM NextAuth OpenAI API AI SDK REST API Docker Nginx Cloudflare CDN GitHub
AI Integration Large Language Models (LLM) Next.js React TypeScript Node.js PostgreSQL Drizzle ORM REST API Software Architecture Full-Stack Development Docker Cloudflare Authentication Performance Optimization SEO
on request
Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

2010 - 2011

Civil law

Omsk Law Academy (Omsk, Russia)


2001 - 2007

Computer Security

Omsk State University (Omsk, Russia)


Further Education

Fullstack Developer (Training program)

  • Completed an intensive Full-Stack Development program, covering modern web technologies and software architecture. Developed multiple full-stack applications including production-style projects, implementing frontend, backend, and database layers.
  • Worked on real-world tasks including API development, database design, and UI implementation. Applied Clean Architecture principles and best practices for scalable application design. Collaborated in a team environment using Git, code reviews, and Agile practices.
  • Strengthened skills in modern JavaScript/TypeScript ecosystem and backend development with Java/Spring.
  • Technologies: TypeScript, Next.js, React, Node.js, Java, Spring Boot, PostgreSQL, REST API
  • Agile Professional
  • Flutter Developer

Position

Position

Full Stack Developer

Kompetenzen

Kompetenzen

Top-Skills

Full-Stack Development TypeScrip React Next.js Node.js Java Spring Boot PostgreSQL Docker REST API Microservices AWS Git CI/CD Product Management AI Integration OpenAI API LLM Software Architecture Agile Scrum Jira HTML/CSS

Produkte / Standards / Erfahrungen / Methoden

Profile

Full-Stack Developer with a background in cybersecurity, product development, and technical infrastructure. Experienced in building web and mobile applications using TypeScript, React, Next.js, Node.js, Java/Spring, and Flutter. Previously led development of enterprise cybersecurity products and cross-functional engineering teams. Focused on modern web architectures, scalable APIs, and cloud-based systems, with hands-on experience developing Web3 and mobile platforms.


Skills

Frameworks & Libraries

  • React
  • Next.js
  • Node.js
  • Spring Boot
  • Flutter


Databases & APIs

  • PostgreSQL
  • MySQL
  • MongoDB
  • Firebase
  • REST API
  • Swagger


DevOps & Infrastructure

  • Docker
  • CI/CD
  • Linux (Ubuntu, Debian)
  • Amazon S3


Tools

  • GitHub
  • GitLab
  • Jira
  • Confluence
  • Postman
  • IntelliJ IDEA
  • VS Code


Architecture & Practices

  • Clean Architecture
  • Secure Software Development
  • Agile/Scrum


Work Experience

AI Character Chat Platform

  • Production AI chat platform for creating, discovering, and conversing with personalized AI characters.
    • Developed and deployed a production full-stack application using Next.js, React, and TypeScript.
    • Implemented streaming AI conversations with contextual memory, user profiles, and safety controls.
    • Built authentication with email/password and Google OAuth, plus character creation, ratings, and admin tools.
    • Integrated text-to-speech, object storage, PostgreSQL persistence, and VPS deployment workflows.


Skills:

TypeScript, React, Next.js, Node.js, PostgreSQL, Drizzle ORM, AI SDK, NextAuth, Cloudflare R2


Pet Services Marketplace (Mobile/Web App)

  • Pet services platform connecting pet owners with local service providers.
    • Developed cross-platform mobile application using Flutter.
    • Designed application architecture and service workflows.
    • Implemented user authentication, profiles, and booking functionality.
    • Built scalable marketplace logic for service providers and customers.


Skills:

Flutter, Dart, Firebase, REST API, Next.js


Web3 Interactive Canvas

  • Blockchain-based collaborative pixel canvas where users own and modify pixels.
    • Built React web application with interactive canvas rendering.
    • Integrated smart contracts on Polygon for pixel ownership and transactions.
    • Implemented zoom, pixel editing, and wallet integration.
    • Designed rendering logic for 1920×1080 pixel grid.


Skills:

TypeScript, React, Next.js, Solidity, Web3

Programmiersprachen

TypeScript
Java
Python
Dart
HTML
CSS

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