Frontend Engineer (Vue.js Web + React Native / Expo Mobile)
- Salary: up to 4500 Euro (based on experience)
- Location: 100% remote from Serbia or Latvia
- Full-time
- Employment Type: B2B
Are you a passionate Senior Frontend Engineer? We are seeking a Senior Frontend Engineer to own and evolve Vue.js web applications and a React Native (Expo) mobile app for a real-time security operations product. This is an opportunity to build user-focused, high-impact applications and contribute to cutting-edge security technology.
Requirements
- 5+ years of professional frontend engineering experience.
- Strong production experience with Vue.js (Vue 3 preferred) for complex web applications.
- Proven experience shipping React Native (Expo) applications to iOS and Android.
- Proficiency in TypeScript, JavaScript, HTML, and CSS.
- Hands-on experience with real-time UI systems (WebSockets/SSE).
- Experience implementing and managing push notifications on mobile.
- Solid testing experience:
- Unit and component testing (Jest, Vitest, Testing Library or equivalent)
- E2E testing (Playwright for web; Detox or similar for mobile)
- Experience working from Figma designs and within a design system.
- Familiarity with frontend/mobile CI/CD pipelines and release processes.
- Strong communication skills, ownership mindset, and experience working in PR-based workflows.
Nice to have
- Experience with event-heavy or operational dashboards (security, monitoring, logistics, trading, etc.).
- Knowledge of offline support, local persistence, and data sync strategies for mobile.
- Experience with error monitoring and performance profiling tools (e.g., Sentry or similar).
Responsibilities
- Own and evolve two Vue.js web applications (Mission Control and Admin Console) and a React Native (Expo) mobile app.
- Build real-time operational UIs including live dashboards, alert feeds, and history/archive views.
- Design and maintain scalable frontend architecture (routing, state management, data fetching, performance).
- Develop and maintain mobile features for iOS and Android, including navigation and lifecycle handling.
- Implement end-to-end push notifications on mobile.
- Build resilient, event-driven UIs using WebSockets and/or SSE with proper reconnect and state-handling strategies.
- Ensure high-quality delivery through testing, code reviews, and collaboration with backend and product/design teams.
- Contribute to CI/CD and release workflows for both web and mobile applications.
Get to know DevsData
We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team. We employ people with experience in international corporations as well as the ones from the best technical and business universities.
Find out more: https://devsdata.com
DevsData
DevsData LLC is a premium software development and IT recruitment company. DevsData LLC is a boutique software agency, with Google-level engineers and a vast network of senior expert contractors. We’re all about premium quality and business understanding. We bring together people that believe work is passion and whose mission is to bring ideas to life. Over the years, we've been accumulating our expertise in building software and conducting recruitment projects for different segments, such as…