Sviatoslav K.-Frontend Developer
Check rate
Experience
Frontend Developer
FRATCH.IO
- Developed and maintained an AI-powered recruiting platform and an internal panel application using Angular, TypeScript, and RxJS, ensuring the delivery of robust and scalable features. Worked with both new Angular features, such as Signal API, standalone components, and control flow, as well as older versions to maintain legacy systems.
- Collaborated closely with cross-functional teams, including Frontend and Backend Developers, Designers, and Sales Managers, through regular Google Meet sessions to align on project requirements, plan sprints, and ensure a unified approach to development. Actively participated in code reviews, both providing and receiving feedback, to uphold high coding standards.
- Utilized a strong sense of ownership to fully understand project requirements, business logic, and user needs, which enabled the successful implementation of key AI features. These features enhanced the user experience by allowing new users to sign up and create profiles on the platform in under two minutes.
- Contributed to the continuous improvement of the development process by staying updated on the latest Angular updates and industry best practices, ensuring the application of efficient, modern, and maintainable code across all projects.
Full Stack Developer
Self-employed
- Created new and modified existing websites using JavaScript, HTML, and CSS, and implemented web applications using modern technologies (JavaScript, React, Vue.js, Redux, TypeScript)
- Wrote reusable, testable, and efficient code, adhering to development standards and coding best practices, and taking responsibility for the code
- Performed code reviews, investigated, reproduced, fixed defects, and communicated with external web services
- Attended regular Zoom meetings with the team and actively worked in a team and communicated with team members to achieve the development goal
Content Creator
hardreset.info
- Creation of descriptions in English for the hardreset.info website
- Photo editing and manual testing of tablets and smartphones
- Creating documentation of test results
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Marketing, and Quality Assurance.
Summary
I build and improve websites and web applications with JavaScript, HTML, CSS, React, Vue.js, Redux, and TypeScript. I focus on writing reusable, testable, and efficient code while following development standards and best practices.
I also have experience reviewing code, investigating and fixing defects, integrating with external web services, and working closely with teams through regular communication. Alongside development, I have created English website content, edited photos, manually tested tablets and smartphones, and documented test results.
Skills
- Programming Languages & Frameworks: Angular, Typescript, Javascript, React
- Frontend Technologies: Html5, Css3, Scss, Tailwind, Bootstrap, Bulma, Rxjs, Ngrx
- Testing: Jest, Karma, Jasmine, Cypress
- Psd To Html: Figma
- Version Control: Git
- Task Management And Tools: Npm, Webpack, Linear, Jira
- Basics: Docker, Kubernetes, Oop Understanding, Design Patterns, C# Knowledge, .Net, Vue.Js, Mysql
Languages
Education
Zespół Szkół Zawodowych Huty im. Tadeusza Sendzimira
Technik Informatyk, Computer Science · Computer Science · Kraków, Poland
Certifications & licenses
Become a ninja with Angular - Ninja Squad
Clean Code - Robert Cecil Martin
Codewars (4kyu)
Fullstack
Mate academy
Javascript Algorithms And Data Structures
freeCodeCamp
Learning React. Modern Patterns for Developing React Apps. 2nd Edition - Alex Banks, Eve Porcello
Leetcode (JS)
You don't know JS - Kyle Simpson
freeCodeCamp
Statistics
Experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Sviatoslav is based in Kraków, Poland and prefers 100% remote projects.
Sviatoslav speaks the following languages: Ukrainian (Native), Polish (Advanced), English (Intermediate).
Sviatoslav has at least 7 years of experience. During this time, Sviatoslav has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years and 3 months. Note that Sviatoslav may not have shared all experience and actually has more experience.
Based on recent experience, Sviatoslav would be well-suited for roles such as: Frontend Developer, Full Stack Developer, Content Creator.
Sviatoslav's most recent position is Frontend Developer at FRATCH.IO.
In recent years, Sviatoslav has worked for FRATCH.IO, Self-employed, and hardreset.info.
Sviatoslav is most experienced in industries like Information Technology and Media and Entertainment.
Sviatoslav is most experienced in business areas like Information Technology, Product Development, and Marketing. Sviatoslav also has some experience in Quality Assurance.
Sviatoslav has recently worked in industries like Information Technology and Media and Entertainment.
Sviatoslav has recently worked in business areas like Information Technology, Product Development, and Marketing.
Sviatoslav attended Zespół Szkół Zawodowych Huty im. Tadeusza Sendzimira for Computer Science.
Sviatoslav has 9 certificates. Among them, these include: Become a ninja with Angular - Ninja Squad, Clean Code - Robert Cecil Martin, and Codewars (4kyu).
Sviatoslav is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 25 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Pawel O.
Oleg A.
Robert R.
Maciej L.
Arseniy B.
Patrycja B.
Daniil K.
Viktor S.
Lukasz C.
Maciej W.
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Frontend Developer
Adam C.
Robert W.
Oleksandr P.
Bogdan B.
Damian W.
Christopher G.
Dzmitry V.
Piotr N.
Marek L.
David K.
Nearby freelancers
Professionals working in or nearby Kraków, Poland
Hadi J.
Palina V.
Tomasz K.
Maria S.
Paula F.
Szymon B.
Anna R.
Alexandr A.
Kamil M.
Sebastian D.
