Frontend Engineer

Oxylabs.io

. Maintain and enhance the existing ReactJS codebase for stability, performance, and scalability .

Posted 9/22/2026full-timeVilnius • LithuaniaMid-LevelSenior💰 €3,200 - €5,600 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining scalable ReactJS applications using TypeScript, while ensuring code quality through unit testing and collaboration with cross-functional teams. Proficient in optimizing user experience and interface design with modern frontend tools and state management solutions.

Highest-signal resume keywords

ReactJS DevelopmentTypeScript ProgrammingUnit Testing with JestState Management with ReduxUI/UX Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactJSTypeScriptUnit TestingReduxZustandJotaiViteBabelWebpackFrontend Development

Soft Skills

Collaborative MindsetAssertive CommunicationAccountabilityAdaptabilityProblem-Solving

Tools & Technologies

JestReact Testing LibraryFigmaSketchAdobe XD

Industry Keywords

ProxyingVPNsEngineering Best PracticesCode Quality StandardsUser Experience Design

Tech Stack

Tools & technologies

BabelJestReactReduxTypeScriptWebpack

About the role

Key responsibilities & impact

Maintain and enhance the existing ReactJS codebase for stability, performance, and scalability
Develop modern business solutions and new features using reusable, efficient, and well-tested code
Troubleshoot and resolve frontend technical issues
Optimize current functionality for peak performance
Collaborate with Backend developers, Product Owners, Designers, and QA teams
Apply and promote engineering best practices, code quality standards, unit testing, and design library utilization
Shape the overall user experience and interface design for Proxy products

Requirements

What you’ll need

Proven experience developing in TypeScript and React
Familiarity with modern state management tools: Redux, Zustand, and Jotai
Familiarity with frontend toolsets: Vite, Babel, and Webpack
Hands-on experience with unit testing using Jest and React Testing Library
Experience collaborating on UI/UX using Figma, Sketch, and Adobe XD
Passion for writing clean, tested, and maintainable code
Accountable, collaborative mindset and ability to thrive in a fast-paced environment
Assertive and tactful communication style
Degree in IT, engineering, or a similar field is nice to have
Knowledge of Proxying/VPNs is nice to have

Benefits

Comp & perks

Gross salary: 3200 - 5600 EUR/month, with flexibility to discuss a different salary based on skills and competencies
40+ internal learning options
External conferences
Mentorship
Year-round knowledge-sharing
Private health insurance
Psychotherapy
On-site well-being consultants
24/7 gym access
Wellness app
Team events
Overseas workation
Quarterly team-building budgets
Ways to mark milestones together