Mid-Senior Frontend Developer

Promptwatch; Amsterdam; On-site; EUR 65,000 - 95,000; Full time

Benefits offered by this job

Great office location

Team off-sites

Company sports activities

Job summary

A leading GEO platform in Amsterdam is seeking a Frontend Developer to enhance the user experience. Your role will involve building responsive, accessible interfaces and optimizing performance using React and Next.js. Key responsibilities include developing interactive dashboards and collaborating with cross-functional teams. Ideal candidates will have strong skills in TypeScript, Tailwind CSS, and a passion for delivering high-quality user experiences. This position offers competitive compensation and equity stake opportunities.

Qualifications

• Strong experience with React 19 and Next.js for frontend development.
• Proficiency in TypeScript and Tailwind CSS for styling.
• Knowledge of state management and API integrations.

Responsibilities

• Building and maintaining React / Next.js components and pages.
• Creating data visualizations and interactive dashboards.
• Optimizing Core Web Vitals and frontend performance.
• Implementing responsive designs with pixel-perfect attention to detail.
• Collaborating with designers and backend engineers to ship features end-to-end.

Skills

React 19

Next.js

TypeScript

Tailwind CSS

State management (React Query, Zustand)

tRPC or REST API integration

Responsive design

Accessibility best practices

Testing with Jest or Vitest

Performance optimization techniques

Tools

Charting libraries (Recharts, ECharts, D3)

Animation libraries (Framer Motion)

Figma

Monorepo tooling (Turborepo)

Job description

Promptwatch is building the leading GEO platform, helping businesses optimize their visibility across ChatGPT, Claude, Perplexity, and Google AI. We handle millions of clicks, citations, and visits per day – and our frontend needs to make all that data instantly understandable. You’ll build dashboards, visualizations, and interactive tools that turn massive datasets into actionable insights for thousands of companies.

As a Frontend Developer, you’ll own the user‑facing experience of our platform. Build responsive, accessible interfaces that feel fast and polished. Work directly with the founding team and designers to create intuitive workflows for complex analytics. You’ll have autonomy to drive frontend architecture decisions, establish component patterns, and push the boundaries of what’s possible with modern React. If you care deeply about craft, performance, and delighting users, you’ll thrive here.

What You'll Do

• Building and maintaining React / Next.js components and pages
• Creating data visualizations and interactive dashboards
• Optimizing Core Web Vitals and frontend performance
• Implementing responsive designs with pixel‑perfect attention to detail
• Collaborating with designers and backend engineers to ship features end‑to‑end
• Contributing to our component library and design system
• Driving frontend code quality through reviews and testing

What We're Looking For

• React 19 and Next.js (pages router)
• Strong TypeScript knowledge
• Tailwind CSS and Shadcn components
• State management (React Query, Zustand, or similar)
• tRPC or REST API integration
• Responsive design and accessibility best practices
• Testing with Jest or Vitest
• Performance optimization techniques

Nice to Have

• Charting libraries (Recharts, ECharts, D3)
• Animation libraries (Framer Motion)
• Figma proficiency
• Monorepo tooling (Turborepo)

Compensation

Base salary: €65,000 – 95,000

Equity stake

Perks: Great office location, team off‑sites, company sports activities

Do you see yourself thriving and growing in this role? Apply now and join us in shaping the future of AI Search.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Technology, Information and Internet

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