Senior Front-End Developer

Imagine a future where everyone has instant, low-cost access to intelligence. We’re building a fully featured European AI cloud—with everything one needs to train, experiment with, and deploy AI models. In addition, our GPUs run on 100% renewable energy.

We’re ambitious, curious, and gutsy doers. We practice a low hierarchy across the company and high morale in our teams. We’ve already achieved a lot, yet we’re only getting started. Now it’s your chance to join the ride. We offer more than just the job—we offer a career-defining opportunity to be part of building something big!

Why you don’t want to miss this opportunity

• Generous cash + equity compensation and various fringe benefits.
• We are a AI cloud provider based in Northern Europe, building a sovereign EU cloud and the first hyperscaler in Europe.
• You’ll be an integral part of the small yet mighty team of 50, challenging the status quo to positively impact the lives of many people.
• Our operations are profitable, in addition to fast growth.
• You’ll work in small teams of experts.
• DataCrunch is international (27 nationalities) and diverse (infrastructure, hardware, software engineering, AI and ML researchers and engineers, designers, etc.).
• We foster a community-like atmosphere: we often enjoy each other’s company after work, e.g., munching BBQ made by Ruben, our CEO by day and master chef by night.

Practicalities

• Hybrid mode: This role requires presence in our Kamppi office at least 3 days per week. Don’t worry—you won’t be alone or hangry there.
• Level of expertise: Senior.
• Employment type: Full-time and permanent.

• Contribute to building an AI cloud of the future.
• Work on various AI cloud front-end features - from regular UI to interactive dashboards and visualizations, from defining individual components to building entire features
• Work closely with our designers, maintaining and improving our design system and library, optimizing UX-flows, and more
• Work closely with back-end engineers to integrate with our internal APIs for fast and robust resource provisioning, payments and billing, data retrieval, and more.
• Participate in improving the deployment workflows and CI/CD pipelines.
• Pay close attention to information security principles, and use them to drive engineering decisions.
• Communicate with customers for troubleshooting and support.

• At least 7 years of experience as a Front-end or Full-Stack Developer.
• Proficiency with TypeScript.
• Experience with Node.js ecosystem - NestJS, Express, or similar frameworks.
• Experience with Figma-based workflows.
• Proficiency in building and using reusable components, design systems, and translating business logic into functional user interfaces.
• Strong expertise in React, state-management libraries, component and styling libraries, and responsive UI design.
• Experience with front-end build tools: bundlers, linters, code-prettyfiers.
• Proficiency in testing frameworks and setting up testing suites for front-end components.

Nice-to-haves

• Some experience and/or strong motivation in using AI-based tools and workflows.
• Experience with implementing accessibility features.
• Experience with component documentation tools such as Storybook.

Personal skills

• You take pride in your work.
• You can get your expert opinion across while playing well with others.
• Your critical thinking and readiness to make an impact are on by default.
• You learn new things not because you have to but because you genuinely love it.

Success criteria for this role in the next 6-12 months

• You’ve developed a good understanding of our front-end stack and can contribute in many parts of the codebase.
• You know where to start looking for the root cause whenever you see an issue.
• You’re confident in architecting and developing full front-end implementa