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I am an experienced Software Engineer with 6 years in software development, specializing in C# (.NET 8), Angular, Flutter, and Azure. I have a strong background in cloud migration, microservices, and mobile application development, with hands-on experience across business, finance & accounting, healthcare, and HR projects. I enjoy collaborating with cross-functional teams to build scalable, maintainable, and compliant software solutions. I am passionate about AI & ML, cloud technologies, and healthcare technology. Outside of work, I enjoy running, fitness, reading tech blogs and books, traveling, and gaming. I am always eager to learn new technologies and take on challenges that contribute to impactful projects in the healthcare and financial sectors.…I am an experienced Software Engineer with 6 years in software development, specializing in C# (.NET 8), Angular, Flutter, and Azure. I have a strong background in cloud migration, microservices, and mobile application development, with hands-on experience across business, finance & accounting, healthcare, and HR projects. I enjoy collaborating with cross-functional teams to build scalable, maintainable, and compliant software solutions. I am passionate about AI & ML, cloud technologies, and healthcare technology. Outside of work, I enjoy running, fitness, reading tech blogs and books, traveling, and gaming. I am always eager to learn new technologies and take on challenges that contribute to impactful projects in the healthcare and financial sectors.

Maciej Wawrzyniak

Full Stack Developer, Cloud Developer, App Developer, +1

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I am an experienced Software Engineer with 6 years in software development, specializing in C# (.NET 8), Angular, Flutter, and Azure. I have a strong background in cloud migration, microservices, and mobile application development, with hands-on experience across business, finance & accounting, healthcare, and HR projects. I enjoy collaborating with cross-functional teams to build scalable, maintainable, and compliant software solutions. I am passionate about AI & ML, cloud technologies, and healthcare technology. Outside of work, I enjoy running, fitness, reading tech blogs and books, traveling, and gaming. I am always eager to learn new technologies and take on challenges that contribute to impactful projects in the healthcare and financial sectors.…I am an experienced Software Engineer with 6 years in software development, specializing in C# (.NET 8), Angular, Flutter, and Azure. I have a strong background in cloud migration, microservices, and mobile application development, with hands-on experience across business, finance & accounting, healthcare, and HR projects. I enjoy collaborating with cross-functional teams to build scalable, maintainable, and compliant software solutions. I am passionate about AI & ML, cloud technologies, and healthcare technology. Outside of work, I enjoy running, fitness, reading tech blogs and books, traveling, and gaming. I am always eager to learn new technologies and take on challenges that contribute to impactful projects in the healthcare and financial sectors.

Available to hire

I am an experienced Software Engineer with 6 years in software development, specializing in C# (.NET 8), Angular, Flutter, and Azure. I have a strong background in cloud migration, microservices, and mobile application development, with hands-on experience across business, finance & accounting, healthcare, and HR projects. I enjoy collaborating with cross-functional teams to build scalable, maintainable, and compliant software solutions.

I am passionate about AI & ML, cloud technologies, and healthcare technology. Outside of work, I enjoy running, fitness, reading tech blogs and books, traveling, and gaming. I am always eager to learn new technologies and take on challenges that contribute to impactful projects in the healthcare and financial sectors.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Technology Director at OddJobs, Warsaw

October 31, 2024 - July 29, 2025

Led the technological vision and software development strategy for an innovative HR platform. Responsible for setting development standards, overseeing architecture, and ensuring product quality. Designed and maintained the architecture of HR software platforms and kept up with emerging technologies in platform engineering to maintain a competitive edge. Ensured high-quality standards for service delivery and led the development of mobile applications using Flutter, Dart, and Firebase.

Software Engineer at MediSensonic, Warsaw

May 1, 2023 - Present

Developed innovative mobile, desktop, and web applications for the healthcare sector, focusing on seamless integration with external medical devices. Ensured that solutions met industry standards and provided a user-friendly experience. Worked with Angular/React Native, IONIC 7, Kotlin, Swing, and GitLab to build scalable and maintainable frontend solutions. Implemented Bluetooth integration for real-time communication between applications and medical devices. Ensured compliance with ISO standards for medical software development. Collaborated with medical professionals and engineers to align software functionality with industry needs.

Software Engineer at Symfonia, Warsaw

May 1, 2021 - Present

Worked on the development and modernization of finance and accounting software, ensuring high performance, scalability, and security. Actively involved in cloud migration (Azure) and improving system architecture. Led migration of applications to Azure cloud, optimizing deployment processes and cloud architecture. Designed and integrated GraphQL services and REST APIs for seamless data exchange. Utilized C# (.NET 8), Entity Framework, DAPR, and Hangfire to build robust backend solutions. Chaired Scrum meetings, facilitating collaboration, and ensuring smooth Agile workflows.

Software Engineer (Contract) at Symfonia, Warsaw

May 31, 2022 - July 29, 2025

Developed a custom extension for Azure DevOps, enhancing CI/CD automation and improving deployment efficiency. Focused on building scalable solutions using modern web technologies. Designed and implemented solutions using React, TypeScript, and Azure DevOps SDK/API.

Graduate Software Engineer at Sage, Warsaw

May 31, 2021 - July 29, 2025

Worked on the maintenance and enhancement of financial software, ensuring compliance with legal regulations. Responsible for implementing updates, resolving issues, and optimizing application performance. Implemented legal changes and maintained compliance in financial software. Fixed critical issues and optimized code performance in enterprise applications. Used C# (WPF, WinForms DevExpress), SQL Server, and C++. Actively participated in SCRUM meetings, contributing to sprint planning and team discussions.

Programming Trainer at Giganci Programowania, Warsaw

April 30, 2021 - July 29, 2025

Taught programming fundamentals to students of various experience levels, focusing on interactive learning and real-world applications. Created lesson plans that made coding engaging and accessible. Conducted programming courses for beginners in Scratch, App Inventor, C# (WinForms), and MakeCode. Mentored students on coding best practices and algorithmic thinking.

Junior Java Developer at Quantron S.A., Warsaw

July 31, 2019 - July 29, 2025

Contributed to the development of a commercial Spring Framework-based project, working on core functionalities and performance optimizations. Implemented new components, performed code refactoring, and improved application performance using Java.

Junior Tester / QA at Military Technical Academy, Warsaw

September 30, 2018 - July 29, 2025

Performed integration and regression testing for a simulation environment, ensuring system stability and functionality. Developed comprehensive test documentation. Created functional test documentation and conducted integration and regression testing, ensuring system reliability and performance.