Senior Frontend Developer (Marketing Website)

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. 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.

As a cherry on top, we’ve recently raised $64M in Series A and are ready to reach new heights.

We’re looking for a Senior Frontend Developer to own and evolve our marketing website: product pages, pricing, jobs, contact flows, and our blog/content platform.
You’ll work closely with Marketing (landing pages, content updates, experiments) and with Design & Engineering (design system adoption, interactive product demos, API-driven experiences).

You’ll be responsible for craft and consistency: pixel-accurate UI from Figma, responsive layouts that look great on all devices, and a strong standard for accessibility.

You’ll also own website quality metrics: performance (Core Web Vitals), SEO fundamentals, and reliable analytics instrumentation for key funnels.

• Generous cash + equity compensation along with various fringe benefits (e.g., healthcare, lunch, wellbeing, etc.).
• Our operations are profitable, in addition to fast growth.
• You’ll be an integral part of a small yet mighty team, challenging the status quo to positively impact the lives of many people.
• You’ll work in small teams of experts with real ownership and short decision paths.
• 27 nationalities in total, with 6 different ones in the management team.
• We foster a community-like atmosphere: we often enjoy each other’s company after work, e.g., munching on BBQ made by Ruben, our CEO by day and master chef by night.

• Work mode: Hybrid. This role requires presence in our Kamppi office at least 3 days per week.
• Level of expertise: Senior.
• Employment type: Full-time and permanent.

Design system & UI quality

• Evolve the website UI using our design system (tokens, typography, spacing, color, components, patterns).
• Build reusable, documented primitives and page-level patterns that keep the site consistent and fast to iterate on.
• Deliver pixel-perfect implementations from Figma with strong responsive behavior across devices.

Marketing execution & content velocity

• Ship new landing pages and continuously improve existing pages (copy/layout iterations, visual polish, conversion improvements).
• Partner with Marketing to support campaigns, product launches, and ongoing content updates without sacrificing code quality.

Performance, SEO, accessibility

• Own Core Web Vitals outcomes (LCP/INP/CLS): measure, debug, and improve using real metrics - not guesses.
• Ensure strong fundamentals: semantic HTML, metadata, structured content, and accessible interactions.

Analytics & experimentation

• Implement reliable tracking for key funnels (pricing → signup/contact, jobs → apply, blog → engagement).
• Maintain a clean analytics setup (e.g., GA4 / GTM), working with cookie consent and privacy requirements.

Interactive demos & real integrations

• Build interactive product experiences: calculators, comparisons, guided demos, and API-driven UI on the marketing site.
• Work comfortably with backend engineers and APIs: contracts, error handling, and “non-happy path” UX.

Our stack (today)

• Astro, TypeScript
• Preact islands + Astro components
• Figma-driven design workflow
• Google Analytics

• Strong senior experience building production frontends with excellent HTML/CSS/TypeScript fundamentals.
• CSS mastery: responsive layouts, modern styling approaches, and the ability to implement design details precisely.
• Proven experience applying or building a design system (tokens + components + usage rules) and understanding why it matters.
• Experience with performance work: profiling, bundle strategy, image/font optimization, caching, and CWV improvements.
• Ability to work cross-functionally with Marketing/Design and drive initiatives proactively.

Nice-to-haves

• Hands-on experience with Astro (or similar SSG/SSR frameworks like Next.js, Remix, SvelteKit, Nuxt).
• Experience with analytics instrumentation (GA4, GTM), funnel measurement, and event design that stays stable over time.
• Experience with micro-interactions/micro-animations (subtle, high-quality motion that doesn’t hurt performance).
• Familiarity with SEO tooling and content platforms (MDX/Markdown, headless CMS, content pipelines).
• Accessibility experience beyond basics (keyboard, ARIA patterns, reduced motion, contrast).

Personal skills

• You take pride in details and craftsmanship, but you can still move fast.
• You’re proactive: you don’t just implement - you propose improvements and drive clarity with Marketing and Design.
• You’re pragmatic and collaborative, with strong opinions held with evidence.
• You enjoy improving both the product and the way the team works.

• The website is meaningfully aligned with the new design system (components, patterns, and rules).
• Core pages have strong and stable Core Web Vitals, and you can clearly explain what changed and why.
• Marketing can ship landing pages faster without regressions in quality, consistency, or tracking.
• At least one interactive product demo is shipped with robust API integration and great UX.

• Introduction chat with the TA Partner (30–45 mins)
• Practical take-home (focused on real website work: components, landing page)
• Technical interview with the team (60–90 mins)
• Final interview (60 mins)

Apply sooner rather than later. This job ad will be removed once we’ve found the right person.

Please submit your application through our Careers page. We don’t accept applications sent by mail.

For more information, contact Marina at marina (at) datacrunch.io.