Sebastian Ksiezak-FullStack Engineer
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Experience
Front End React Developer
webbar GmbH
I am currently working for a remote-first company based in Rust, Germany. In WebBar GmbH I am responsible for developing front end part of the multitenant system.
Working on this project, I am using technologies and tools such as:
- JavaScript / TypeScript,
- React and Next.js,
- HTML5 and JSX,
- CSS/SCSS and Tailwind,
- Recoil for app state management,
- GraphQL,
- TanStack Query to improve work with RESTful APIs
- StoryBook, Cypress e2e Tests,
- Docker,
- JetBrains for Project Management,
- WebStorm as Programming IDE,
- CI/CD pipeline implemented with GitHub and DigitalOcean.
My Tasks include:
- creating core components with Storybook, Cypress e2e tests and Tailwind for CSS,
- building complex layouts and pages for PWA app with React and Next.js technology,
- managing app state with Recoil library,
- fetching backend data using GraphQL and TanStack Query library,
- taking care of good quality code using design patterns and principles of clean code.,
- taking care of CI/CD pipeline green state,
- daily meetups with an international team, held in english.
Frontend Developer
SolvSoft
In this position I was working as a front end developer using Vue js.
- I was involved in the development of 4 projects for a Swedish client.
- I worked in a team of 12 people in weekly sprints.
- My tasks also included contact with the client, joint analysis of needs and solutions. The discussions were conducted in English.
Projects varied in technological level:
- I worked in an older project written in pure JavaScript, Vue 2 - options api and Vuex.
- As well as in two newer ones that had Vue 2 with Composition API, Vuex and Type Script.
- And in a project written in Vue 3, with full TypeScript typing and implemented Pinia and Vite.
For component building and project styling I used:
- Vuetify,
- Quasar,
- CSS/SCSS.
Development environment:
- I was using VSCode editor.
- For version control, I used Git with GitLab.
Software Engineer
Euplus
Implementing custom solutions for contract clients in Web Technologies
Infrastructure Engineer
Accounting Office
Managed Servers, firewalls, VPNs, Wi-Fi and connectivity. Managed computers, networks and user accounts. Hands-on support for employees, workstations and day-to-day issues.
Android App Developer
Contracts
Worked with old school Android Systems, before even Android Studio was invented ;)
Implemented Google maps integrations for custom solutions.
Erasmus Internship Program
Active Space Technologies
As part of the Erasmus Internship Program at Active Space Technologies (Systems and Controls department), I participated in the InTrain project and performed the following tasks:
- testing ZigBee PRO modules,
- development of software for displays (C++ programming in Visual Studio),
- development of software for embedded systems (C programming in Eclipse),
- testing of sensors,
- assisting with documentation.
Industry Experience
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Experienced in Information Technology, Professional Services, and Space Exploration.
Business Area Experience
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Experienced in Information Technology, Product Development, and Quality Assurance.
Summary
FullStack Software Engineer
Languages
Education
Ignacy Łukasiewicz University of Technology in Rzeszów
Aeronautics and Astronautics · Rzeszów, Poland
Polytechnic University of Valencia (UPV)
Erasmus Student Exchange, Aviation · València, Spain
Ignacy Łukasiewicz University of Technology in Rzeszów
Engineer (Eng.) · Aeronautics and Astronautics · Rzeszów, Poland
Certifications & licenses
Android Certified Application Developer
OMG-Certified UML Professional
TOEIC - Test of English for International Communication
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