Tomasz Opałka

Grew from an internship to full involvement in commercial projects. Worked on several fullstack projects in parallel, delivering new features, performance improvements and fixes in a code-review-based workflow.

• Live Video Monitoring and Virtual Guard Platform

  A platform for 24/7 remote video surveillance, where operators monitor many customer sites from a single console.

  • React
  • TypeScript
  • Vite
  • Mantine
  • Electron
  • Capacitor
  • Python
  • FastAPI
  • DynamoDB
  • AWS
  • WebRTC
  • Frigate
  • Docker
  • New features and frontend views in React with TypeScript across web, desktop and mobile platforms.
  • Responsive, theme-aware UI components with Mantine, SCSS Modules and dark mode support.
  • REST API endpoints in Python/FastAPI for camera management, device status and user configurations.
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  The web, desktop and mobile clients are built from one shared React codebase and stream live and recorded video from camera networks reached over secure tunnels.

  • A snapshot-based rendering system replacing continuous camera streams, reducing system load and bandwidth.
  • WebRTC integration for live camera views and HLS.js for recorded video playback.
  • Application state with Recoil and server-state caching with TanStack React Query.
  • JWT-based authentication via AWS Cognito.
  • DynamoDB in a single-table design pattern.
  • Automated testing with Vitest, Testing Library and Pytest.
  • Mobile application development and releases for Android and iOS via Capacitor.

• Internal Communication and Workflow System for the Diocese of Bridgeport (USA)

  An internal system that streamlines communication and administrative processes within the diocesan curia.

  • React
  • TypeScript
  • Node.js
  • Prisma
  • Microsoft Graph API
  • Entra ID (MSAL)
  • Azure Functions
  • New features and frontend views in React with TypeScript.
  • Backend logic and API endpoints in Node.js with Prisma ORM, running as serverless functions.
  • Microsoft 365 integration through the Microsoft Graph API.
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  It is integrated with Microsoft 365, so staff work with their existing accounts, mailboxes and documents.

  • Single sign-on with Microsoft Entra ID (MSAL).
  • Responsive, mobile-friendly versions of the application views.
  • Performance improvements and refactoring of existing modules.
  • Bug fixing and maintenance in a review-driven workflow.

• Administrative Panel for Business Data Management (Husariabygg)

  A server-side rendered (SSR) administrative CRUD panel connected to a backend-as-a-service, used by the client to manage its business data.

  • React
  • TypeScript
  • Remix
  • Refine
  • Supabase
  • PostgreSQL
  • New features across the admin panel built with Remix and Refine.
  • CRUD views, forms, data tables and filters.
  • A complete gallery module with comments.
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  • Responsive, mobile-friendly versions of the admin panel views.
  • Integration with Supabase (PostgreSQL): data models and queries.
  • Performance and UX improvements of existing views.

• Internal Time Tracking System (Timesheet)

  A company-internal application for recording and reviewing employees’ working time.

  • React
  • TypeScript
  • MUI
  • FullCalendar
  • Docker
  • Drone CI
  • Frontend views with React and MUI.
  • Calendar-based time entry and overview built with FullCalendar.
  • Responsive, mobile-friendly version of the application.
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  • Docker containerization and CI pipelines with Drone CI.
  • New features and bug fixing.

Built on commission and sold to the client.

• One-page website for a Swiss financial consulting firm

  A responsive one-page website available in 5 languages (PL, EN, DE, IT, FR), with a client reviews carousel and a contact form that sends email.

  • React 18
  • Vite
  • react-i18next
  • EmailJS
  • sannagiulio.ch ↗

Alongside my studies I worked as a dental technician: precise manual work to tight tolerances, strict quality and hygiene standards, and a constant focus on the person who will use the final product. That medical background gives me a feel for healthcare workflows and for building software that clinicians and patients can trust.

Courier, event and hostel staff, manual labor.