Pawel Losinski

Designing and developing custom software solutions for small businesses and individual clients, focusing on automation, AI-assisted development, and modern backend services using C#/.NET, Python, Go, and JavaScript. Leveraging AI-assisted development tools including OpenAI Codex, ChatGPT, GitHub Copilot. C#, .NET, Python, Go, JavaScript, REST API, OpenAI API, Docker, PostgreSQL, MSSQL, Azure, GitHub Copilot, ChatGPT, Codex, Cursor, n8n AI Agents

Designed, developed and maintained business-critical features across backend and frontend systems. Built and improved full stack applications, including APIs, integrations, business logic and user-facing functionality. Translated product and business requirements into scalable, maintainable and reliable technical solutions. Worked with Azure-based services and cloud environments to support application development, deployment and system reliability. Contributed to architecture-related decisions, focusing on

Designed, developed, and maintained enterprise-class web and desktop applications for international clients in healthcare, telecommunications, and manufacturing. Built scalable solutions using .NET (C#), Python, and SQL. Followed Agile/Scrum and CI/CD practices with Azure DevOps and TeamCity. Key projects: • NHS Scotland – Payroll Migration Tools: Developed payroll data migration tools for a UK healthcare organization. Implemented ASP.NET C# services and data-processing jobs integrated with MSSQL. Key tech

C# / ASP .NET Application Development for Nokia, Atos, Siemens

Python,. Objective C, C/C++ development

Developed an iOS application enabling users to interact with an audiobook library via remote web services; implemented a custom UI based on client templates. ObjDeveloped an iOS application enabling users to interact with an audiobook library via remote web services. Implemented a custom UI based on client templates. Key technologies: Objective-C, Web Services. Contributed to DLNA-to-UPnP migration with components in C/C++ and MySQL.ective-C, Web Services Contributed to DLNA-to-UPnP migration with compone

Application development Data Migration tools JAVA (Python)

Developed a Windows desktop application for ADSL line testing using Python, wxPython, RegExp, applying multithreading and the MVC architecture. Handled hardware communication via serial/Ethernet interface with Alcatel-Lucent ISAM (Intelligent Services Access Manager)

Software Developer of applications for telecommunication equipment Programming languages and software technologies used: Software technologies used: Python, wx.Python widgets, multithreading application, MVC framework, Serial/Ethernet Interface, Eclipse+pyDev. Software Developer, responsible for software designing and estimating, software development, unit testing of the created software, feature/regression/system testing, software debugging and fixing, current engineering, creating project documentatio

Software Engineer contractor for Alcatel-Lucent (see above)

Participated in the implementation of IFS (Industrial and Financial Systems). Acted as Business Analyst responsible for requirements analysis and IT support.

Manufacturer of PABX and telecommunication systems. Designer of equipment of telecommunication system. Responsible for: designing of PCB, assembly of prototypes, programming of microcontrollers (C, Asembler) writing of documentation. Contacting with international suppliers.

Provided maintenance and troubleshooting for critical-care medical analysers; supported local branch operations.