I am a passionate .NET developer with several years of experience in building and maintaining software solutions, from enterprise applications to webshops and APIs. With a master’s degree in Computer Science and a focus on artificial intelligence, I continuously seek ways to merge my interest in AI with development work. I enjoy working in Scrum environments, collaborating with teams, and delivering quality software solutions. Over the years, I have developed my skills across various industries, including energy, retail, and e-commerce. I have experience working with both backend and frontend technologies and enjoy solving complex technical challenges while continuing to expand my expertise.

Wojciech Gąsiewicz

I am a passionate .NET developer with several years of experience in building and maintaining software solutions, from enterprise applications to webshops and APIs. With a master’s degree in Computer Science and a focus on artificial intelligence, I continuously seek ways to merge my interest in AI with development work. I enjoy working in Scrum environments, collaborating with teams, and delivering quality software solutions. Over the years, I have developed my skills across various industries, including energy, retail, and e-commerce. I have experience working with both backend and frontend technologies and enjoy solving complex technical challenges while continuing to expand my expertise.

Available to hire

I am a passionate .NET developer with several years of experience in building and maintaining software solutions, from enterprise applications to webshops and APIs. With a master’s degree in Computer Science and a focus on artificial intelligence, I continuously seek ways to merge my interest in AI with development work. I enjoy working in Scrum environments, collaborating with teams, and delivering quality software solutions.

Over the years, I have developed my skills across various industries, including energy, retail, and e-commerce. I have experience working with both backend and frontend technologies and enjoy solving complex technical challenges while continuing to expand my expertise.

See more

Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
See more

Language

Polish
Fluent
English
Advanced

Work Experience

Junior .NET Developer at Sygnity S.A
June 30, 2021 - August 2, 2025
Worked in two teams on projects in the energy sector, including Sygnity Forecast, a forecasting tool using ARIMA and neural networks to predict energy, gas, and heat demand, and ExpImp, which handled importing/exporting large datasets from external APIs and servers. Developed and maintained WinForms desktop applications focused on data integration and domain-specific logic.
Junior Software Engineer – POS Support & Integration at Diebold Nixdorf
February 28, 2022 - August 2, 2025
Provided Level 3 technical support for Point of Sale and self-checkout systems used in C&A (Belgium) and Matalan (UK) stores. Diagnosed and resolved complex software issues, implemented minor bug fixes, and supported integration of POS terminals with external systems. Collaborated with international teams and QA to deliver stable, production-ready solutions.
.NET Developer at DEGA Soft sp. z o.o
February 1, 2022 - Present
Developed and maintained e-commerce and MLM systems for multiple countries. Responsible for backend and frontend work, integrating payment systems and external services, maintaining legacy WinForms apps, and migrating to .NET 8. Occasionally led daily stand-ups in the absence of Scrum Master and participated in planning, testing, and code reviews.

Education

Engineer at Wrocław University of Technology
October 1, 2016 - December 31, 2019
Master’s Degree at Wrocław University of Technology
February 1, 2020 - July 31, 2021

Qualifications

Azure AZ900 – Microsoft
December 1, 2021 - December 31, 2021
Redis for .NET Developers (RU102N) – Redis
March 1, 2023 - March 31, 2023
.NET Microservices – Les Jackson
January 1, 2024 - January 31, 2024

Industry Experience

Software & Internet, Energy & Utilities, Retail, Financial Services

Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
See more