LEV POLSHKOV
Miami
Summary
Senior Frontend Engineer with 8+ years of experience designing and developing enterprise-scale web applications using Vue 3, Composition API, Vite/Rollup, and TypeScript. Strong background delivering high-performance UI systems for the aviation, automotive, and fintech sectors. Expert in component architecture, reactive state management, testing, bundling, and AWS serverless environments.
Overview
7
7
years of professional experience
Work History
Senior Software Engineer
Southwest Airlines
Miami
07.2024 - Current
- Developed ground‑operations UI modules using architecture patterns compatible with Vue 3’s Composition API.
- Implemented scalable frontend modules, validation engines, and reactive data structures.
- Optimized production builds using Vite‑style module splitting and Rollup bundling.
- Integrated AWS Lambda, Kinesis, DynamoDB for real‑time operational workflows.
- Delivered features for internal mobile and web platforms supporting airport ops teams.
Senior Frontend Engineer (Contract)
Polestar
Remote
12.2023 - 07.2024
- Architected EV delivery/installation platform using component patterns mapping to Vue 3 SFC.
- Built reusable UI libraries and reactive flows aligned with Composition API best practices.
- Improved bundle size using Rollup‑style build optimization.
- Integrated AWS services (Lambda, S3, IAM) for platform scalability.
Senior Software Engineer
Spirit Airlines
Remote
12.2022 - 12.2023
- Engineered booking engine flows using SPA patterns aligned with Composition API principles.
- Developed modular UI components transferrable to Vue SFC structure.
- Implemented GraphQL (Apollo) reducing network calls by 60%.
- Integrated Elasticsearch to enhance search performance.
- Achieved 90%+ unit test coverage.
Software Engineer
OnTheWay GmbH
Remote
07.2021 - 12.2022
- Built mobile application (delivery service) via React Native.
- Developed delivery dashboard with Vue
- Implemented Node.js backend and AWS serverless infrastructure.
- Designed cross‑component sync systems analogous to Pinia/Composition stores.
- (Germany)
Software Engineer
UWatch.live
Kyiv
10.2018 - 06.2021
- Built SPAs using React/Next.js with component structure aligned with Vue SFC.
- Developed reusable UI components and optimized builds.
- Implemented SSR, hydration, and code‑splitting used in Nuxt ecosystems.
- (Ukraine)
Skills
- Vue 3
- Vue Router
- Vite
- Rollup
- Webpack
- TypeScript
- JavaScript (ES6)
- Component library development
- SPA architecture
- Performance
- Jest
- Playwright
- RTL
- React
- Angular
- Nodejs
- AWS Lambda
- Kinesis
- DynamoDB
- Microservices
- CI/CD pipelines
- State management
- Pinia
- NgRx
- Redux
Timeline
Senior Software Engineer
Southwest Airlines
07.2024 - Current
Senior Frontend Engineer (Contract)
Polestar
12.2023 - 07.2024
Senior Software Engineer
Spirit Airlines
12.2022 - 12.2023
Software Engineer
OnTheWay GmbH
07.2021 - 12.2022
Software Engineer
UWatch.live
10.2018 - 06.2021