Max – React, Node.js, React Native

SaaS marketplace and advisory platform for Revenue, Marketing, and CS leaders. Development included: AI agents for software analysis, categorization and comparison system for 300+ tools, Tech Stack Audit module, and Feature Library with detailed product functionality breakdowns.

• Integrated and maintained multiple third-party services, including OpenAI and Noble, ensuring reliable and scalable external API communication;
• Designed and configured customer webhooks using Svix to enable secure, event-driven integrations;
• Implemented scheduled background jobs with Vercel Cron to support automated email notification workflows;
• Streamlined the Strapi CMS development workflow by automating plugin builds and introducing a custom Node.js CLI for generating migration boilerplates;
• Refined and validated analytics integrations, including Segment and LinkedIn Insight Tag, to ensure accurate event tracking and data consistency;
• Delivered new product pages using Next.js SSG and SSR, building responsive UI components with shadcn/ui and Tailwind CSS, closely aligned with Figma designs.

The application allows to upload contracts, track license usage with a desktop agent, compare pricing of a contract with other vendors, get costs summaries per contract, application and employee along with charts. Parsing of PDF contracts is implemented using AWS OCR solution and AI to get contract items, terms and other details in a structured format.

• Developed web application from scratch, based on evolving client requirements, including direct collaboration with the client and on-the-fly UI prototyping without predefined designs or Figma files;
• Implemented interactive workflow-driven UI using React Flow, with corresponding backend logic built via Next.js API routes and AWS Lambda for asynchronous calculations and document parsing;
• Integrated with Microsoft Entra to retrieve and manage employee data based on company domain;
• Developed linked and unlinked applications UI along with backend endpoints for fetching and managing them;
• Created Employee and EmployeeApplication entities derived from agent usage logs;
• Implemented employee status tracking and reactivation flows based on usage activity, including email notifications via AWS SES and secure action links using JWT.

Comprehensive mobile app designed to help residents and visitors effortlessly explore and engage with the Crown Heights community. Combining location-based discovery with social and local tools, the app connects users with essential neighborhood resources — from rental listings and community events to synagogues, mikvahs, and programs — all in one intuitive platform.

• Implemented new views for the mobile app using React Native (Expo) according to the Figma design: rental feed with filters by location, rental details;
• Created and integrated back-end endpoints for new views using Express.js, GraphQL, and MongoDB;
• Integrated sign-in and sign-up views with Google and Apple auth, along with a multi-step profile creation form;
• Implemented profile details and edit profile views;
• Implemented OTP code view and logic for email confirmation.

Rental marketplace for neighbors to cooperate and lend/borrow resources. The platform aims to cultivate a culture of neighborhood collaboration, where lending and borrowing foster meaningful relationships and community solidarity.


• Set up the web and mobile project from scratch using React, React Native, Next.js and shadcn/ui, implemented application UI based on Figma designs, and improved UX with proper loading states, error handling, optimized rendering, and pagination;
• Implemented authentication and authorization using NextAuth.js on the frontend and AWS Cognito on the backend, ensuring secure access to application resources;
• Built core business logic for mobile application to support content feeds, communities, search, and private messaging, including a separate admin portal for managing application content and users;
• Integrated WebSockets (Socket.io) to enable real-time private messaging, including backend WebSocket gateways and frontend client integration;
• Connected frontend to backend via Server Components and React Query for efficient data fetching and state management;
• Designed and implemented backend architecture using Nest.js, MongoDB, AWS S3, OpenSearch, and Docker, including API development aligned with business requirements;
• Built advanced admin functionality, such as full user lifecycle management, resource moderation, and ownership migration for deleted users;
• Implemented robust search functionality across application entities using OpenSearch;
• Set up and maintained deployment pipelines, deploying the frontend to Vercel and backend services to AWS.