Senior Frontend Engineer - ReactJS (Germany, remote f/m/d)

Factor Eleven; Hamburg; Remote; EUR 50.000 - 90.000; Vollzeit

Zusammenfassung

An innovative tech start-up is seeking a Senior Frontend Engineer to enhance their multi-tenant SaaS product. In this role, you will leverage your extensive knowledge of React.js and TypeScript to develop user interface components that elevate user experience. You will collaborate with a talented team, focusing on performance optimization and mentoring junior engineers. This position offers the flexibility of fully remote work within Europe, along with a chance to be part of a rapidly growing team dedicated to transforming digital localized advertisement. Join us to shape the future of ad-tech and enjoy a supportive work environment with ample opportunities for professional growth.

Leistungen

Transparent, above-market salaries

100%-remote within Europe

Flexible work-hours

Relocation and visa support

Home office allowance

Personal development fund

In-person company events

Qualifikationen

• 6+ years of experience in frontend development with a focus on React.
• Proven expertise in TypeScript, JavaScript, and front-end languages.

Aufgaben

• Develop and implement responsive UI components using React.
• Mentor teammates and participate in code reviews.

Kenntnisse

React.js

TypeScript

JavaScript

CSS

HTML

Debugging

User Experience

Project Management

Troubleshooting

Tools

Jira

Docker

npm

Cypress

Vite

Jobbeschreibung

YOUR MISSION

We are looking for a highly-skilled Senior Frontend Engineer to join one of our development teams. In this role, you will be responsible for developing and implementing user interface components using React.js with technologies such as TypeScript, GraphQL, Jest, Cypress, and Vite. You will also be responsible for testing, profiling and improving front-end performance and documenting our front-end codebase, and mentoring your team-mates, planning tasks and estimating workloads.

You'll be working within a cross-disciplinary team under the Engineering Manager to contribute to our multi-tenant SaaS product.

To ensure success as a senior frontend engineer, you should have in-depth knowledge of React concepts, excellent front-end coding skills, and a great understanding of progressive web applications. Ultimately, a top-class Senior Frontend Engineer should be able to design, plan and build modern user interface components to enhance application performance and coach other team-mates to achieve the same.

YOUR PROFILE

• 6+ years of professional experience in a similar position
• Proven expert knowledge of TypeScript, JavaScript, CSS, HTML, and front-end languages
• Quality-focused mindset and deep passion for user experience and user interfaces
• Great knowledge of common frontend tools including React.js, Vite, Jest, and Cypress.js
• Great experience with browser-based debugging and performance testing software
• Excellent familiarity with git, npm, docker, and Jira
• Great troubleshooting skills
• Good project management skills
• Extensive experience in mentoring teammates in a respectful, empathic manner

YOUR RESPONSIBILITIES

• Meeting with the development team to discuss user interface ideas and applications
• Reviewing application requirements and interface designs
• Identifying web-based user interactions
• Developing and implementing highly responsive user interface components using React concepts
• Writing application interface codes using TypeScript following React.js workflows
• Troubleshooting interface software and debugging application codes
• Developing and implementing front-end architecture to support user interface concepts
• Providing automated unit, e2e, and visual regression tests
• Monitoring and improving front-end performance
• Documenting application changes and developing updates
• Participating in code and technical design reviews
• Writing and reviewing tasks and estimating workloads for yourself and others
• Providing mentorship to team members

WHY US?

Factor Eleven's tech department is an in-house tech start-up/scale-up and is responsible for our SaaS product suite offering localized digital advertising to enterprises of all sizes and shapes. We're powering the engine that Factor Eleven is successfully built upon and elevate the possibilities of our product on a daily basis. For 2025 we're scaling up, literally doubling in headcount, to fulfill our ambitions as a top ad-tech provider by continuously leveling up the quality and expanding capabilities of the entire platform, as well as our engineering and product organization.

Join our amazing team in our mission to move digital localized advertisement forward and enjoy the freedom, camaraderie, and perks of our fully remote operations.

Our Perks & Benefits

• Transparent, above-market salaries
• 100%-remote within Europe
• Clear expectations and regular feedback
• Flexible work-hours and part-time models
• Be part of a fast-growing, highly-skilled team
• Relocation and visa support
• In-person department and company events
• Home office, co-working space, and work-together allowance
• Personal and professional development fund

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

IT Services and IT Consulting

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