🎯 Your Role

As a (Senior) Frontend Engineer, you will be responsible for developing, optimizing, and maintaining high-quality web applications. You’ll be part of our international team, working closely with designers, product managers, and backend developers to craft seamless user experiences. You’ll be expected to lead by example in adopting best practices, owning features end-to-end, and mentoring junior team members.

Responsibilities

Build intuitive, performant web interfaces using React.js (v18+), TypeScript, HTML5, and CSS3
Integrate frontend with RESTful services, handle asynchronous data, and manage state effectively
Translate UI/UX designs from tools like Figma into reusable, responsive components
Ensure cross-browser compatibility and accessibility compliance (WCAG standards)
Contribute to frontend architecture decisions and improve performance, build processes, and testing coverage
Lead by example with high code quality, unit test coverage (Jest, React Testing Library), and CI/CD ownership
Stay updated with latest frontend trends and technologies, contributing to internal knowledge sharing

✅ Your Profile Must-Have Skills

2–7 years of frontend engineering experience, preferably in SaaS or product-driven environments
Strong hands-on experience with React.js, TypeScript, ES6+, HTML5, CSS3/SASS
Deep understanding of responsive design, cross-browser issues, and layout systems (Flexbox, Grid)
Familiarity with frontend tooling: Vite/Webpack, ESLint, Prettier, and Git
Proficiency with consuming REST APIs, AJAX, and working with JSON
Exposure to build tools like Gulp, Grunt, or modern replacements (Vite, Rollup)
Fluent written and spoken English

Nice-to-Have

Experience with testing frameworks: Jest, Vitest, Karma, Jasmine
Familiarity with CSS frameworks like Bootstrap or component libraries like MUI, Chakra UI
Basic understanding of backend systems or BaaS (e.g., Firebase, Supabase)
Knowledge of CI/CD, Docker, and release workflows
UI/UX design sensitivity, especially with tools like Figma

Personal Traits

Autonomous and proactive mindset with strong ownership
Flexible working across time zones and cultures
Committed to clean code, team collaboration, and continuous improvement

💡 What We Offer

Competitive salary & annual performance reviews
Stock option plans for early contributors
Flexible working hours and hybrid setup (Berlin HQ or remote within EU time zone)
30 vacation days + local holidays + workation flexibility
Annual team retreats and quarterly team events
A supportive team of passionate developers, designers, and product minds
Hardware of your choice and a fully remote onboarding kit
A culture that values learning, mentorship, and feedback

📩 How to Apply

Send your resume or LinkedIn profile to [email protected]. Optionally, attach a short cover letter telling us why you’re excited to join NightOwl. We’ll get back to you with the next steps-usually a short intro call followed by a technical discussion.

🚀 About NightOwl Developers

NightOwl Developers is a fast-growing product and technology company focused on building user-centric, scalable, and high-performance applications. With roots in R&D and strong engineering culture, we now operate from Berlin and are expanding across Europe. We are passionate about modern engineering, strong UX, and delivering real impact to our customers.

Senior Frontend Developer (m/f/d)