- Contributed to bi-weekly SCRUM sprint planning, conducted daily progress reviews, and supported in problem-solving for the team- Initiated the adoption of Domain-Driven Design (DDD) methodology in the project, employing both strategic and tactical approaches- Implemented enhancements to microservices architecture, including handling the outbox/inbox pattern, standardizing message exchange through RabbitMQ with configuration, implementing correlation context, CQRS improvements and others- Developed SPA applications using Angular and API services in .NET Core for estimating the time and cost of production, planning, execution, and tracking of the production process with comprehensive coverage of unit and integration tests- Designed and optimized databases with the principles of normalization and ACID in SQL, while leveraging appropriate consistency models in NoSQL- Established communication with the new ERP system and removed dependencies and connections from the previous one

- Transferred functions from a monolithic legacy application to a microservices architecture, with a focus on improving the performance of processed requests- Refactored the implementation of production item release processes based on a Saga pattern- Built a responsive weekly production planning calendar page using Angular

- Developed and maintained the Digital Recording System for court proceedings in Poland's common courts, based on .NET 4.8, WinForms, and MSSQL system- Designed and implemented a module for managing documents related to recordings for parties involved in proceedings- Optimized queries, procedures, and functions on the MSSQL database- Conducted client requirement analysis, prepared project cost estimates, and scheduled the workload for a team of 5 programmers- Conceived and developed the Connect Portal, an Angular-based frontend system designed to facilitate user-to-user communication

- Developed and maintained the Digital Recording System for court proceedings- Implemented integration with an external system for ordering transcription of recordings- Conducted four (two-day) practical training sessions in the field of installation, configuration support, and system updates as part of the Digital Recording System for court administrators in Poland- Implemented communication and data exchange between the central application of the digital recording system and units installed in the courts

- Implemented new components in the Comarch Security Platform application in AngularJS for managing events and incidents within the company- Developed the VideoCut client application in AngularJS for browsing recorded videos and enabling trimming and filtering of recordings based on detected motion, object size, direction of movement, and color content- Realized a frontend application for the Smart Lock, an electronic door lock with a video intercom system to enable facial recognition in Angular 4- Developed the identity management page in the Smart Identity application using AngularJS- Implemented new components in the Smart Parking platform, including integration with Google Maps Api and the creation of an interactive map within the system

- Maintaining and enhancing the KSI SIMIK IT System for Monitoring and Financial Control of Structural Funds and Cohesion Fund- Providing support and maintenance for existing software while also implementing new components and functionalities using ASP.NET Web Forms in the SL2014 Application of the Central ICT System- Gained practical skills in software development, maintenance, and teamwork, worked with ASP .NET, Oracle PL/SQL, Entity Framework, and other technologies