Jarasłaŭ Viktorčyk
Senior Software Engineer at Volvo Cars
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolJarasłaŭ Viktorčyk is a Senior Software Engineer based in Stockholm with 11 years of experience building reliable web and backend systems, especially in Node.js, MongoDB and React. He has led engineering teams and projects across startups and large organizations, improving CI/CD, standardizing builds, and reducing operational overhead at companies like HP and Volvo Cars. His hands-on background includes developing PDF processing pipelines and worker runtimes, mobile apps for healthcare staff management, and UX-focused front-end work. An active open-source contributor, he enhanced Electricity Maps’ UI and testing with Cypress and added solar visualization layers that improved real-time CO2 insight. Known for reducing boilerplate and optimizing developer workflows, he blends pragmatic engineering with a sustained focus on developer experience and observability.
11 years of coding experience
9 years of employment as a software developer
Specialist's degree, Computer Science, Specialist's degree, Computer Science at Belarusian State University of Informatics and Radioelectronics
Russian, Russian, English
Github Skills (15)
javascript10
cypress10
react10
mapbox-gl9
application9
testing9
android-app9
map-box9
data-visualisation8
data-visualization8
data-visualizations8
climate-change7
typescripts6
typescript6
typescript-types6
Programming languages (18)
Github contributions (5)
electricitymaps/electricitymaps-contrib
Sep 2022 - Oct 2022
The open source repository for Electricity Maps App and data parsers that enables a real-time visualisation of the CO2 emissions of electricity consumption
Role in this project:
Front-end Developer
Front-end DeveloperContributions:9 reviews, 2 commits, 6 PRs in 13 days
Contributions summary:Jarasłaŭ primarily contributed to the front-end aspects of the Electricity Maps project. Their work included improving and extending the front-end tests using Cypress, modifying the UI for map interactions, and implementing translation features for the application. They also worked on integrating and rendering layers, specifically related to solar power visualization. These contributions enhance user experience and the overall functionality of the data visualization interface.
real-timeelectricity-consumptionvisualisationco2-emissionsemissions
Ugzuzg/cucumber-gh-actions-formatter
Jul 2022 - Feb 2025
Log cucumber-js errors in a way that is recognised by GitHub Actions as annotations.
Contributions:1 review, 8 PRs, 35 pushes in 2 years 7 months
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