Senior Frontend Engineer

CloudFactory; Berlin; Vor Ort; EUR 60.000 - 90.000; Vollzeit

Zusammenfassung

A leading AI technology firm in Berlin is seeking a Senior Frontend Engineer to enhance their platform for AI-driven applications. In this pivotal role, you will be responsible for designing intuitive user interfaces and collaborating with cross-functional teams to ensure high performance and responsiveness. Candidates must demonstrate strong expertise in JavaScript and React, alongside knowledge of modern frontend tools and design principles. This position offers a unique opportunity to contribute to meaningful projects that impact communities worldwide.

Qualifikationen

• Strong proficiency in JavaScript (ES6+) and TypeScript.
• Expert-level experience with React and modern frontend technologies.
• Solid understanding of responsive design and cross-browser compatibility.

Aufgaben

• Architect, design, and implement new frontend features across platforms.
• Build performant, scalable, and user-friendly interfaces.
• Collaborate closely with product and backend teams to enhance user experiences.

Kenntnisse

JavaScript (ES6+)

React

HTML5

CSS3

Tailwind CSS

REST APIs

State Management (Redux Toolkit, Zustand)

Tools

Webpack

Vite

Git

Jobbeschreibung

At CloudFactory, we are a mission-driven team passionate about unlocking the potential of AI to transform the world. By combining advanced technology with a global network of talented people, we make unusable data usable, driving real-world impact at scale.

More than just a workplace, we’re a global community founded on strong relationships and the belief that meaningful work transforms lives. Our commitment to earning, learning, and serving fuels everything we do as we strive to connect one million people to meaningful work and build leaders worth following.

Our Culture

At CloudFactory, we believe in building a workplace where everyone feels empowered, valued, and inspired to bring their authentic selves to work. We are:

• Mission-Driven: We focus on creating economic and social impact.
• People-Centric: We care deeply about our team’s growth, well-being, and sense of belonging.
• Innovative: We embrace change and find better ways to do things together.
• Globally Connected: We foster collaboration between diverse cultures and perspectives.

If you’re passionate about innovation, collaboration, and making a real impact, we’d love to have you on board!

Role Summary

As a Senior Frontend Engineer, you will take a pivotal role in shaping the user experience of our AI Platform. You will lead the design and development of intuitive, high-performance interfaces that power human-in-the-loop workflows, model evaluation, workforce management, and real-time inference validation. Working closely with product, design, and backend engineering teams, you will translate requirements into seamless, reliable, and scalable user-facing systems. This is an opportunity to grow professionally while contributing to a mission of helping companies build, deploy, and trust AI at scale.

Responsibilities

• Architect, design, and implement new frontend features across CloudFactory Platforms
• Build performant, scalable, and intuitive interfaces for human-in-the-loop review, workflow orchestration, model validation, and annotation tools.
• Collaborate closely with product, design, and backend teams to translate complex AI concepts into seamless user experiences.
• Improve application performance, responsiveness, and accessibility across browsers and devices.
• Write clean, maintainable, testable code following best practices and internal engineering standards.
• Participate in technical planning, sprint ceremonies, and architectural discussions.
• Conduct code reviews and contribute to continuous improvement of engineering processes and standards.

Ad-hoc responsibilities

• Investigate and resolve production issues related to frontend performance or UI behaviours.
• Prototype new UI ideas or rapid experiments to support product discovery.
• Explore and evaluate emerging libraries, tools, and frontend technologies.
• Mentor and support mid-level or junior engineers when needed.

Must Have skills (required)

• Strong proficiency in JavaScript (ES6+) and TypeScript.
• Expert-level experience with React (Hooks, Context API, component optimisation, React 19)
• Solid understanding of HTML5, CSS3, responsive design, and cross-browser compatibility.
• Knowledge of scalable frontend architecture patterns.
• Familiarity with Tailwind CSS.
• Experience integrating REST APIs.
• Understanding of CI/CD pipelines, Git workflows, and code review best practices.
• Familiarity with modern build tools such as Webpack, Vite, SWC, or esbuild.
• Knowledge of state management tools like Redux Toolkit and Zustand.

Nice To Have skills (Preferred)

• Understanding of real-time frontend patterns (websockets, streaming updates).
• Familiarity with annotation tooling, ML operations, or AI-driven UIs.

At CloudFactory, we believe that work should be more than just a job—it should be a platform for growth, impact, and community. Here, you’ll earn with purpose, learn every day, and serve a mission that truly matters. If you're looking for a career where you can develop professionally, contribute meaningfully, and be part of a global movement, we’d love to have you on this journey!

Join us today and be part of our mission to connect people and technology for a better world! Apply now and bring your whole, authentic self to work—we can’t wait to meet you!