Experience

OPGK Software S.A.

Spirax Sarco (Outsourced Engagement)

06.2025 – 02.2026

IoT Platform for UK's primary manufacturer of steam management systems

  • PWA for monitoring and managing industrial process assets (steam traps, hose pumps, heat exchangers) for Spirax Sarco
  • Unified asset monitoring and management by aggregating data from multiple independent IoT data collection systems
  • Built collaboratively by distributed teams across the US, UK, Poland, and Spain
  • Delivered sprint demo presentations to stakeholders at the end of each two-week sprint
  • Comprehensive test setup using Vitest and MSW (Mock Service Worker) for isolated API mocking and integration testing

Roche (Outsourced Engagement)

09.2024 – 06.2025

AEM Development for Global Pharmaceutical Sites

  • Designed and developed custom reusable templates and components in Adobe Experience Manager based on legacy websites
  • Built content-driven websites for one of the world's leading healthcare companies targeted at healthcare professionals
  • Ensured strong authoring experience by creating editor-friendly and maintainable content structures
  • Ensured accessibility and responsiveness across all major platforms
  • Designed and implemented custom scripts to support and extend website functionality

Frontend Developer (React)

11.2022 – 09.2024

React Development for New SaaS Projects

🔸 Cloud ITSM & Service Management Platform

  • Developed a cloud-based ITSM platform from scratch, based on a legacy on-premise solution
  • Built a highly customizable ticket management system with flexible configuration options
  • Implemented advanced role-based access control (RBAC)
  • Designed and supported multiple application modes (customer, agent, admin)
  • Adapted and extended existing solutions to meet product requirements (e.g. email handling, custom calendar implementations, extending libraries)

🔸 B2B E-commerce Platform for Garden Equipment Distributor

  • Developed a B2B e-commerce platform, including both customer-facing application and internal admin panel
  • Collaborated closely with designers and implemented UI based on Figma designs
  • Implemented advanced RBAC for different user roles
  • Built CMS-like features for managing products, categories, promotions, and content

🔸 Internal Log & Remote Ops System

  • Developed an internal application using Next.js for server operations and monitoring
  • Built support for dynamically defined, multi-type data structures
  • Delivered tooling for remote operations and log management

Frontend Developer (AngularJS)

05.2022 – 11.2022

AngularJS Development for Commercial Ticketing System (Mint Service Desk)

  • Maintained and extended a custom-built ITSM/ticketing system based on AngularJS (Mint Service Desk)
  • Developed new features and enhanced existing modules for service management workflows
  • Built custom dashboards and data visualizations to support operational insights
  • Contributed to system stability, debugging, and ongoing improvements

Frontend Developer (JavaScript / DojoJS)

11.2021 – 05.2022

GIS Web App Development with ESRI & DojoJS

  • Developed a GIS application using DojoJS within the ArcGIS Web AppBuilder ecosystem
  • Integrated Esri Maps API and external government APIs for geospatial data access and reverse geocoding
  • Delivered custom widgets and tools for geospatial data visualization and analysis
  • Built interactive, data-driven interfaces for geospatial reporting and visualization