gwynplaine
Front End Engineer
Senior Frontend Engineer with 5+ years of experience at AWS Partner startups, building enterprise security platforms. Delivered customer-facing dashboards for ransomware protection at Elastio (AWS Partner), serving sports franchises and SaaS companies with real-time AWS resource monitoring (EC2, EBS, S3, EFS). Expert in React, TypeScript, and Next.js; optimized application performance through code splitting and CI/CD automation; mentored 3 developers to improve team delivery speed.
Authorized to work in the EU.
Experience: 5 years
Yearly salary: $70,000
Hourly rate: $40
Nationality: 🇺🇦 Ukraine
Residency: 🇵🇹 Portugal
Experience
Senior Front-end Developer
Elastio 2022 - 2024
Elastio Software (AWS Partner) - Enterprise SaaS platform for AWS cloud backups, ransomware detection, and vulnerability scanning. - Built customer-facing dashboards for enterprise clients (sports franchises, healthcare IT, legal SaaS) displaying AWS resource protection status (EC2, EBS, S3, EFS) with real-time ransomware scanning and backup validation. - Developed over 100 Jest and Cypress tests, achieving 70% code coverage. - Improved team development velocity by restructuring monolithic tasks into atomic, parallelizable units for faster delivery. - Collaborated with backend teams to implement gRPC data streaming for live AWS backup metrics, optimizing data flow and dashboard responsiveness. - Mentored 3 junior developers through weekly 1:1s, teaching React, TypeScript best practices.
Middle Front-end Developer
DataOx 2021 - 2022
DataOx - Web scraping and data extraction company serving e-commerce and real estate clients. - Developed interactive React-based dashboards for data visualization, enabling clients to monitor scraping jobs in real-time. - Maintained a high client retention rate by ensuring 100% data accuracy and adherence to strict delivery timelines.
Skills
aws
css
golang
javascript
nextjs
react
typescript
front-end
english
ukrainian