Headless B2B/В2С Commerce Platform
Tech Stack: TypeScript, MedusaJS 2, React, React Query, GraphQl, PostgreSQL, Redis, AWS (S3, SES), Zoho CRM,PayMe, Invoice4U, Nodemailer, Docker, Grafan
Developed a modular SDK on top of MedusaJS with custom brand, role, payment, and reviewservices, enabling the platform to be adapted for B2B/B2C auto dealership scenarios without forkingthe core.

Configured end-to-end integration with Zoho CRM: automated order collection, lead conversion intodeals, and pipeline synchronization, reducing manual order entry by managers by more than 90%.? Implemented workflow orchestration (Medusa Workflows SDK) to enrich orders with brand, tax, andprice data, improving calculation accuracy and eliminating manual verification for the sales team.

Connected payment and billing providers (PayMe, Invoice4U) and implemented email OTP and customnotifications via Nodemailer/SES, ensuring secure order processing and transparent documentation. Implemented Redis caching, metrics via OpenTelemetry, and CI/CD using Docker + GitHub Actions,speeding up releases to just a few minutes and providing visibility for the support team.
Business & Location Management Platform
Tech Stack: React 18, Express, PostgresSQL, TypeScript, Vite, Zustand, React Hook Form, Zod, React Router,i18next, Tailwind CSS, shadcn/ui (Radix), Stream Chat, Google Places API, PostHog, JWT

Developed a multi-tenant business and location management web app: onboarding (companies,locations, opening hours, payment methods), company/location details, and profile management withresponsive UI.

Built a multi-step onboarding flow with dynamic companies/locations, complex forms (addresses,special hours, social links, Apple Business Connect), progress tracking, and validation with React HookForm and Zod.

Implemented JWT-based authentication with access/refresh tokens, automatic token refresh in theAPI client, and protected/public routes; used Zustand with persist for auth and app state.Integrated i18n (i18next) with language in URL (/:lang/...) and support for English, Swedish, Norwegian across the app.

Implemented real-time support chat via Stream Chat (stream-chat-react) with backend token andchannel management.

Added notifications (onboarding completed, location updated, requires attention) with read state andnavigation to relevant pages.Integrated Google Places API for address autocomplete and place details in location forms.

Delivered responsive UI with shadcn/ui (Radix) and Tailwind CSS, custom date pickers, andmobilefriendly layouts (e.g. chat modal, onboarding).

Integrated PostHog for product analytics and user identification after login.

Set up Vite, TypeScript, React Router v7, path aliases, and structured API client with auth and errorhandling.

Cloud-Based Document Management System
Tech Stack: React, NestJS, PostgreSQL, AWS (S3, Lambda, RDS), Redis, Docker, CI/CD (GitHub Actions), JWT Authentication
Developed a cloud-based document management system with version control, allowing users to upload, share, and collaborate on documents securely.

Built a responsive web interface using React with Material UI components, enabling real-timecollaboration and easy document navigation.

Implemented JWT-based authentication with role-based access control (RBAC), ensuring secure access to sensitive documents. Used AWS S3 for document storage and Lambda for serverless processing (e.g., document conversion, extraction).

Designed a robust document versioning system with PostgreSQL, allowing users to track changes and revert to previous versions. Implemented Redis for caching frequently accessed documents, reducing access time by 30%.Deployed the system using Docker and set up a CI/CD pipeline with GitHub Actions for automated testing and deployment.
Subscription-Based SaaS Platform (Multi-Tenant & Payment Integration)
Tech Stack: React, NestJS, PostgreSQL, AWS (Lambda, SQS, SNS), Stripe, Docker, CI/CD (GitHub Actions)
Led the development of a multi-tenant SaaS platform, enabling businesses to manage customer subscriptions.

Implemented a robust authentication & authorization system with JWT and OAuth.

Integrated Stripe for subscription management, supporting recurring payments and invoicing. Used AWS SQS & SNS for asynchronous job processing, improving request handling efficiency.

Set up a CI/CD pipeline with GitHub Actions, automating deployments and reducing manual effort by 80%.

Multi-Brand Web Platform (AEM SPA)
Tech Stack: React 18, TypeScript, Redux, Redux Saga, React Router, Adobe AEM SPA Editor, SCSS,i18next, Axios, SignalR, Nuvei (SafeCharge Web SDK), React Hook Form, Jest, Storybook, Webpack, Maven/Java (AEM)
Developed the frontend for a multi-brand online casino and sports betting platform built on Adobe AEMSPA Editor, with per-brand builds and jurisdiction-specific configuration (UK, DE, PT, and others).
Built and maintained the Cashier module: deposit and withdrawal flows, payment method selection, stored payment methods (UPOs), bonus-aware deposits, and responsive modal-based UX.
Led Nuvei integration on the frontend: Web SDK initialization, createPayment flows, redirect/iframe handling, error and timeout states, and coordination with AEM REST endpoints for sessions and payment methods.
Implemented deposit state management with Redux Saga (payment data, pending/success/failure screens,post-deposit journeys) and real-time deposit status updates via SignalR notifications.• Delivered multi-market i18n (i18next) and locale-aware formatting for currencies and cashier copy across brands.
Contributed to compliance-related user journeys (KYC prompts, deposit limits, responsible gaming modals)integrated into the authenticated account experience.

Set up local and multi-brand dev workflows (CRA/Webpack, AEM proxy, brand-specific yarn start/build), plus unit tests and Storybook for cashier components.

• Пошук та залучення клієнтів

• Контроль за виконанням продажів

• Аналіз ринку та конкурентів

• Укладення договорів

• Ведення переговорів

• Планування та виконання плану продажів

• Розвиток клієнтської бази

• Ведення звітності

• Розробка стратегії продажів

Управління бізнесом та командою: організація операційної діяльності компанії з нуля; формування штату, координація роботи офісного персоналу та виїзних монтажних бригад.
Договірна робота: повний цикл супроводу угод - від підготовки індивідуальних комерційних пропозицій до узгодження, укладання договорів та контролю за їх виконанням.
Контроль якості: моніторинг дотримання стандартів сервісу, технологічних норм на виробництві, термінів виконання монтажних робіт та рівня задоволеності клієнтів.
Виробнича діяльність: організація та запуск з нуля виробничого процесу з виготовлення виробів із композитних матеріалів (склопластик, штучний камінь, вуглеволокно); підбір обладнання, сировини та вибудовування технологічного ланцюжка.