About Me
Any fool can write code that a computer can understand. Good programmers write code that humans can understand.
- Name Email Phone Address Education Languages Nationality Freelance
- Sebastian Sulima Contact... Contact... Online, EU and Asia High School Polish, English Polish Available
Hello! My name is Sebastian Sulima, and I'm a passionate programmer with over 10 years of experience. Every day in the IT world is a new challenge, and I love finding innovative solutions to complex problems.
My expertise spans a wide range of technologies — from web and mobile app development to server management and IT infrastructure. This allows me to approach projects from multiple angles, ensuring the most efficient solutions that meet both technical and operational needs.
I believe that great code is not only functional but also simple, maintainable, and easy to understand. I am constantly learning and adopting new tools and technologies to stay ahead in the fast-evolving tech landscape.
- Name Email Phone Address Education Languages Nationality Freelance
- Sebastian Sulima Contact... Contact... Online, EU and Asia High School Polish, English Polish Available
Service
One of the most productive days I ever had was throwing away 1000 lines of code.
Web Applications
A fullstack web application developer provides design, development, and maintenance of web applications, handling both the frontend (user interface) and backend (server, databases). They manage the entire process, creating functional and scalable solutions.
Server Applications
A server application developer focuses on designing, developing, and maintaining server-side applications. They work on backend logic, databases, and server infrastructure, ensuring scalable, secure, and high-performance solutions.
CMS & E-Commerce
A CMS & e-commerce customization developer tailors content management systems and online stores to business needs. They modify themes, plugins, and features to optimize user experience and ensure seamless integration between content and e-commerce systems.
Linux Server Administration
A Linux server administrator manages, configures, and maintains Linux-based server environments. They ensure system security, performance, and uptime, handling tasks like server setup, software installation, troubleshooting, and optimization.
Data processing
A data processing specialist handles the collection, transformation, and analysis of data to extract valuable insights. They ensure data is clean, accurate, and structured, enabling efficient reporting, storage, and decision-making processes.
IoT & Embedded Systems
An IoT & embedded systems developer designs and implements software for Internet of Things (IoT) devices and embedded systems. They work on integrating hardware with software, ensuring efficient communication, performance, and security for connected devices.
Resume
Programming is like writing a book… except if you miss out one letter on page 126 the whole thing makes no sense.
Work Experience
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Fullstack Web Developer
Unicorn Interactive (2015 - Running)
As a Fullstack Web Developer, I was responsible for designing and developing web applications, both on the frontend (HTML, CSS, JavaScript, Vue) and backend (PHP, MySQL, MongoDB). My duties included creating APIs, integrating with external services, optimizing application performance, and collaborating with the team.
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Freelance Fullstack developer
Self-employed (2017 - Running)As a freelance Fullstack Web Developer, I was responsible for designing and developing web applications independently, handling both the frontend (HTML, CSS, JavaScript, Vue) and backend (PHP, JAVA, C#, Node.js, MySQL, MongoDB). My tasks included creating APIs, integrating with external services, optimizing application performance, and managing all aspects of the development process.
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Freelance IT support
Self-employed (2010 - 2014)As a freelance IT Support specialist, I was responsible for providing technical assistance and troubleshooting for clients, managing both hardware and software issues. My tasks included system installations, network configuration, resolving technical problems, optimizing performance, and offering remote or on-site support for various IT needs.
My Skills
In theory, theory and practice are the same. In practice, they are not.
More About Me
If something is difficult to do, find someone who doesn’t know it’s impossible.
Knowledge
- Domain Registration
- Linux Server management
- Hosting management
- Backend languages (PHP, NODE.js, JAVA)
- Frontend technologies (HTTP, CSS, VUE)
- Lead Generation
- Data Processing
- Data Entry
- IoT, Arduino, ESP, ARM
Tools & Software
- PHPStorm
- GIT, GitHub, GitLab, GitLab CI, Jenkins
- NPM, Yarn, Babel, WebPack, Vue
- Postman, Cypress, Selenium
- LibreOffice/MS Office
- Docker, Proxmox
- Google GTM
- ChatGPT
- Unreal Engine
Hobby & Interests
- Travelling
- Watching Movies
- Reading Books or E-books
- Skill Development
- Motorbike trips
- Photography
- Gaming in free time
- Self Development
- Experimenting with AI
Portfolio
FaceBook LeadAd - Control dashboard for receive leads form Meta
Klub Premium - Application for dealers
Yamaha Motor - Application for Yamaha dealers
Salon Fiat.pl - Showcase catalog and Online Shop for Fiat
Kityrule.pl - Online Shop
Salon Jeep.pl - Showcase catalog and Online Shop for Jeep
TAXI Trzy korony - Application for TAXI CAB
SieScigam.pl - Application with moto events
