Adam Kazimierak

Senior Software Engineer at Vitesse

Poland

About

“The only way to do great work is to love what you do” - words I have always truly believed in. I am very passionate about my craft, and for the past seven years, that passion has helped me to deliver high quality software, solve complex problems, and find solutions. In that passion, I find an endless source of curiosity and drive to learn, explore, and share knowledge with others. I value collaboration and environments where healthy discussion is always encouraged. Stack: - C#, JavaScript, Typescript, F#, Haskell - Knockout, Vue, React, Webpack, SPA, CSS, HTML, jQuery - ASP.NET, .NET, .NET Core, Entity Framework, SQL, REST, MVC, Docker, Microservices, Service Bus, RabbitMQ, IIS, NGINX - Git, DDD, CQRS, Jira, Agile, Azure, CI/CD, Unit Testing, PowerShell

Experience

  • Senior Software Engineer at Vitesse
    Apr 2025 - Present · 1 yr 3 mos

  • Senior Software Engineer at Cisco
    Oct 2022 - Mar 2025 · 2 yrs 6 mos

    - Architected and implemented a SPA for the NHS App's Wayfinder project, ensuring a seamless experience when accessed from the NHS App interface and browser - Collaborated with NHS England and NHS Digital regarding design, WCAG, security, and legal constraints. Resolved one of the NHS App's technical issues, which was accepted by Wayfinder as the preferred solution. Prepared and delivered the final presentation for NHS England and NHS Digital, confirming the SPA's adherence to all functional, accessibility, and security requirements, securing the business's place in the program - Designed and implemented an internal development environment based on Docker containers, directly improving the SDLC - Planned, documented, and securely achieved the platform migration to the new servers within strict deadline - Assessed, planned, and securely achieved an upgrade of the message broker framework, ensuring backward compatibility and integration test coverage - Designed and implemented fail-safe mechanism for the message broker, improving platform resiliency - Designed a solution for a multi-staged migration for monolithic applications to a modern webpack-based frontend, enabling future integrations with modern frameworks and libraries, allowing for easier security upgrades, better maintainability, and furthering decomposition of the monolithic applications

  • Healthcare Communications (Part of Cisco) (Full-time · 4 yrs 7 mos)
    • Software Engineer
      Oct 2020 - Oct 2022 · 2 yrs 1 mo

      - Developed new features for and supported a multi-tenant platform sending more than 160 million SMS messages annually, and providing NHS trusts with a wide range of reports - As part of the team, developed a survey management web application with built-in support for NHS Friends and Family tests, with more than 1.5 million annual respondents - Performed database migration from the legacy survey system to the new one

    • Software Engineer
      Apr 2018 - Oct 2020 · 2 yrs 7 mos

      - As part of the team, developed a patient portal web application, providing a platform for digital communication with patients for NHS trusts, with over 8.5 million unique visits annually - Performed bug fixes, resulting in improved user journeys and more secure platform