09/13/2026 updated
Premium member
100 % availableSenior .NET Software Engineer | Distributed Systems | React & UI Engineering
Warszawa, Poland
Worldwide
Master of Science in EngineeringAbout me
I am mostly backend software engineer with experience ins many industries. With passion to work on frontend as well.
AI AgentsTailwind CSSScrum MasterASP.NETPHPADO.NETASP.NET MVC FrameworkC Sharp (Programming Language)Scrum MethodologyNext.jsTypeScriptCertified Scrum Master.NET CoreReact.jsAsp.net Web Api
C#/.NET Backend Development
Over 14 years of experience designing, integrating, and modernizing business-critical enterprise systems using C#, .NET, ASP.NET, and VB.NET. Strong background in building scalable, reliable backend services for global logistics and enterprise platforms.
Microservices & Event-Driven Architecture
Deep expertise in microservices architecture and event-driven design, including hands-on work with Apache Kafka and REST APIs. Proven track record of replacing legacy monolithic platforms with distributed, event-driven solutions processing tens of thousands of requests per day.
React & UI Engineering
Hands-on experience designing and developing React-based operational and diagnostic interfaces, including workflow-oriented navigation, interactive data visualization, reusable components, and real-time communication via SignalR. Proficient in TypeScript.
Cloud & DevOps
Practical experience with Azure DevOps Pipelines, Kubernetes, Docker, Jenkins, Octopus Deploy, and CI/CD practices. Independently designed and implemented complete CI/CD pipelines for application builds and deployments.
Data & Databases
Working knowledge of MongoDB and SQL for data storage and retrieval in enterprise and logistics systems. Experience integrating and displaying JSON and XML data in diagnostic applications.
Testing & Production Operations
Experience with unit testing, integration testing, load and volume testing, production support, incident diagnosis, and system monitoring. Includes on-call production support and incident resolution responsibilities.
Enterprise Integration Platforms
Delivered system integration and business-process solutions using TIBCO BusinessWorks and TIBCO BPM for enterprise clients, including direct customer collaboration and on-site delivery.
Agile & Scrum
Certified Professional Scrum Master (PSM I and PSM II). Experienced working within distributed international Scrum teams, conducting code reviews, and collaborating across multiple countries.
Business Intelligence & MicroStrategy SDK
Worked within the MicroStrategy SDK team delivering customizations, extensions, custom widgets, and report automation solutions for web, smartphone, and tablet applications.
AI-Assisted Development & Internal Tooling
Contributed to AI-assisted internal diagnostic tools, including an application supporting system diagnostics and incident investigation for large-scale logistics operations.
Over 14 years of experience designing, integrating, and modernizing business-critical enterprise systems using C#, .NET, ASP.NET, and VB.NET. Strong background in building scalable, reliable backend services for global logistics and enterprise platforms.
Microservices & Event-Driven Architecture
Deep expertise in microservices architecture and event-driven design, including hands-on work with Apache Kafka and REST APIs. Proven track record of replacing legacy monolithic platforms with distributed, event-driven solutions processing tens of thousands of requests per day.
React & UI Engineering
Hands-on experience designing and developing React-based operational and diagnostic interfaces, including workflow-oriented navigation, interactive data visualization, reusable components, and real-time communication via SignalR. Proficient in TypeScript.
Cloud & DevOps
Practical experience with Azure DevOps Pipelines, Kubernetes, Docker, Jenkins, Octopus Deploy, and CI/CD practices. Independently designed and implemented complete CI/CD pipelines for application builds and deployments.
Data & Databases
Working knowledge of MongoDB and SQL for data storage and retrieval in enterprise and logistics systems. Experience integrating and displaying JSON and XML data in diagnostic applications.
Testing & Production Operations
Experience with unit testing, integration testing, load and volume testing, production support, incident diagnosis, and system monitoring. Includes on-call production support and incident resolution responsibilities.
Enterprise Integration Platforms
Delivered system integration and business-process solutions using TIBCO BusinessWorks and TIBCO BPM for enterprise clients, including direct customer collaboration and on-site delivery.
Agile & Scrum
Certified Professional Scrum Master (PSM I and PSM II). Experienced working within distributed international Scrum teams, conducting code reviews, and collaborating across multiple countries.
Business Intelligence & MicroStrategy SDK
Worked within the MicroStrategy SDK team delivering customizations, extensions, custom widgets, and report automation solutions for web, smartphone, and tablet applications.
AI-Assisted Development & Internal Tooling
Contributed to AI-assisted internal diagnostic tools, including an application supporting system diagnostics and incident investigation for large-scale logistics operations.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
GermanBasic knowledgeEnglishFluentPolishNative speaker
Project history
Developed and maintained business-critical systems supporting global logistics order processing, including on-call production support and incident resolution. Owned the Breakthrough Fuel service and collaborated within a distributed Scrum team of 12 engineers across Poland, the Netherlands, and the United States. Contributed to Orders Control Central, an internal AI-assisted application supporting system diagnostics and incident investigation. Key projects included Automated Order Capture (microservices-based event-driven solution using C#/.NET, Apache Kafka, and MongoDB), Orders Control Central (React-based diagnostic and data-visualization application), and MaxBuy UI (React application with real-time SignalR communication).
Delivered system integration and business-process solutions for enterprise clients using TIBCO BusinessWorks and TIBCO BPM, including direct customer collaboration and on-site delivery in Germany. Contributed to the design, implementation, testing, and integration of automated lending processes for SME and corporate customers at a major Polish commercial bank, enabling streamlined lending processes and data-driven decisions from multiple internal systems.
Developed and maintained a widely used applicant tracking system built with ASP.NET. Delivered product features including automated image extraction from CV documents and changes supporting personal-data protection requirements. Independently designed and implemented a complete CI/CD pipeline using Jenkins and Octopus Deploy, automating application builds and deployments.
Certificates
Professional Scrum Master I
SCRUM.ORG2014