Front End Developer

Randstad Hellas; Town of Greece (NY); Hybrid; USD 69,000 - 104,000; Full time

Job summary

Randstad Hellas is seeking a Senior Front-End Engineer to design and architect scalable, data-dense dashboards and mission-critical web interfaces. The role focuses on React-based development, reusable components, and robust integrations with RESTful services in a hybrid Athens-based setup.

The ideal candidate has 5+ years of front-end experience, strong testing expertise, and deep knowledge of performance optimization and secure coding practices. Excellent English communication is required.

Qualifications

• Degree in Computer Science or related field.
• Minimum 5+ years in front-end development, with production-grade interfaces.
• Proven experience designing scalable front-end systems.
• Strong experience in automated testing strategies and tools.
• Expertise in performance optimization and secure coding practices.
• Ability to mentor engineers and communicate technical ideas clearly.
• Excellent command of English, written and verbal.

Responsibilities

• Design, develop, and maintain responsive web interfaces using React.
• Build reusable components and design systems for scalability.
• Translate UI/UX designs into pixel-perfect, accessible interfaces.
• Integrate with RESTful APIs and back-end services for robust data flow.
• Optimize performance across browsers and devices.
• Collaborate with cross-functional teams to translate requirements into solutions.
• Lead code reviews, enforce quality, and mentor engineers.
• Own features from conception to deployment with reliability and security.

Skills

React

Front-end architecture

Design systems

Automated testing (Cypress, Playwright

Performance optimization

CI/CD

WebSockets

English communication

Education

Bachelor's degree in Computer Science

Tools

Webpack

Cypress

Playwright

SonarQube

Job description

Are you a passionate Senior Front-End Engineer who excels at designing and architecting scalable, mission-critical user interfaces? We are looking for an expert to join our team to lead the development of responsive web applications and data-dense dashboards, driving innovation in high-reliability domains.

The position is full-time, based in Athens, operating under a hybrid work model.

key responsibilities

• Design, develop, and maintain responsive, mission-critical web application interfaces using React.
• Build reusable, modular components and design systems to ensure code reusability, maintainability, and scalability.
• Translate UI/UX designs and wireframes into high-quality, pixel-perfect, and accessible interfaces.
• Integrate with RESTful APIs and back-end services, ensuring efficient data flow and robust error handling.
• Optimize application performance and rendering efficiency across different browsers and devices.
• Collaborate with cross-functional teams to translate complex requirements into robust technical solutions.
• Lead code reviews, enforce high code quality, and mentor team members on best practices.
• Take full ownership of features from conception through deployment, ensuring reliability, performance, and security.

experience

5+ years of experience as a Front End Developer

qualifications

• Degree in Computer Science or other relevant disciplines.
• At least 5+ years of proven front-end development experience, ideally building production-grade, mission-critical interfaces.
• Strong experience in designing and architecting scalable front-end systems (component libraries or modular architectures).
• Expertise in automated testing strategies (e.g., Cypress, Playwright) across the testing pyramid.
• Deep understanding of design patterns, performance optimization, and secure coding practices.
• Proactive mindset with the ability to identify architectural improvements and mentor junior engineers.
• Excellent command of the English language (written & verbal).
• Ability to communicate complex technical ideas clearly to both technical and non-technical stakeholders.
• Experience with WebSockets or other real-time tracking and visualization technologies.
• Familiarity with CI/CD pipelines and front-end build tooling (e.g., Webpack).
• Experience with code quality and static analysis tools like SonarQube.

Degree in Computer Science or other relevant disciplines.,At least 5+ years of proven front-end development experience, ideally building production-grade, mission-critical interfaces.,Strong experience in designing and architecting scalable front-end systems (component libraries or modular architectures).,Expertise in automated testing strategies (e.g., Cypress, Playwright) across the testing pyramid.,Deep understanding of design patterns, performance optimization, and secure coding practices.,Proactive mindset with the ability to identify architectural improvements and mentor junior engineers.,Excellent command of the English language (written & verbal).,Ability to communicate complex technical ideas clearly to both technical and non-technical stakeholders.,Experience with WebSockets or other real-time tracking and visualization technologies.,Familiarity with CI/CD pipelines and front-end build tooling (e.g., Webpack).,Experience with code quality and static analysis tools like SonarQube.