I"m a PROGRAMMER / DEVOPS based in Gdynia and enjoy playing with technologies. I love travelling, bushcraft & tabletop rpg, mixology.
My name is Jarosław Krefta. I have been working in field for over a decade on various positions.
As an experienced software developer, I possess a profound knowledge in designing, implementing, and testing software solutions. I specialize in creating efficient, scalable, and secure applications that meet user requirements and contribute to the organization's success. My analytical skills paired with creativity allow me to approach challenges innovatively, while my experience in teamwork ensures smooth collaboration with other professionals to achieve project objectives.
I`m also fun and warm person to be around and work with.
Contact MeMy main expertise is software engineering, where I have successfully developed and deployed many projects. What sets me apart is my problem-solving ability, creativity, and ability to learn quickly. I am committed to continuous learning and staying abreast with the latest technological advancements, ensuring that my contributions are not only effective but also innovative.
Developing modern web applications using Valinla JS, Angular, React or Riot.
Developing modern applications using .Net, Go or Rust.
Developing memorable and unique games using Unity game engine.
Developing infrastructure using modern cloud (Azure, Vultr).
Developing architecture and communication for complex systems using clean architecture principles.
Contenerising applications using Docker and Kubernetes
Developing soft and technical skills in work colegues.
Leading development team to successfully deliver product.
Setting engineering strategy and technical direction, and overseeing delivery across multiple teams.
Electrical Engineering, Automation & Computer Controll Systems
Key to know thyself
Key to know other people
Key to lead and team building
Pika - Worked in team building server application that mimics Dropbox behavior for company internal use.
Sales in Cracow - Application that served as a guide on Cracow expo (my part was setting up cloud based servers to intercept heavy traffic generated by smartphones and tablets).
ExMoney - Web currency exchange portal (I wrote integration with bank web services using Python and C#).
Jeeni.net - Mass marketing application using email and social media (I wrote additional social media integrations).