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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Engineer, Frontend-focused (Next.js + Django) - **Company:** DeWarmte - **Location:** Utrecht, Netherlands - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Data Analysis, Automation of Tests, Code Coverage, Code Review, Continuous Integration, Django Web Framework, Python (Programming Language), Next.js, Responsive Web Design, Software Engineering, TypeScript, Web Applications, Web Performance Optimization, Network Routers, ReactJS, AI Coding Agents, Backend, Production Code, Front End Software Development, Restful APIs, Automation Anywhere - **Published:** September 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=98c5d0dcd2ece8ba ## About the Role * Solid hands-on experience building and shipping production web applications, with most of your depth on the frontend. * Strong TypeScript and React skills, plus experience with Next.js; familiarity with the Pages Router is useful. * Strong HTML and CSS fundamentals, with a good eye for responsive design, accessibility and interaction details. * Experience building customer-facing flows such as onboarding, configurators, quotes, checkout or self-service portals. * A track record of taking functionality from design through implementation, testing and deployment to real-world use. * Comfortable working with REST APIs and making focused changes in Python/Django; deep backend specialisation is not required. * A good understanding of web performance, SEO, automated testing, CI/CD and observability. * You use AI coding tools in practice and understand both their value and their limits. * A feel for user experience and a knack for making complex information simple. Experience with design systems, analytics or experimentation, e-commerce, CRM or planning integrations, or the energy or installation sector is useful, but not essential. What matters most is that you care about the customer experience and can take frontend work from idea to production., * You fix urgent problems without letting short-term workarounds become long-term architecture. * You think from the customer's perspective and judge your work by what it does for them. * You're comfortable moving between interaction details, frontend architecture and the API contract behind them. * You're curious about new AI tools, try them quickly and share what works. * You explain technical topics clearly to people from any background. * You share knowledge by default and care about what the team can own together. ## Description We're growing fast, and the customer journey is growing with us. That's why we're looking for a frontend-focused Full Stack Developer to improve our web application - from the first visit and heat-pump advice to quotation, planning and installation. You'll spend most of your time in Next.js and React, making every interaction clear, fast and genuinely pleasant. You'll work primarily in our TypeScript frontend (Next.js Pages Router, React 18), with focused changes to our Django backend when a feature needs them. You'll take customer-facing work from idea to production and see directly what it does for conversion, customer satisfaction and the workload of our teams. AI tools are already part of how we build software. We use them where they help us move faster, but we do not lower the bar: anything we ship still needs to be secure, maintainable and correct. You'll help us get better at both. Why this role matters Make switching to a heat pump simple, clear and trustworthy-from first discovery to installation and beyond. You'll join the team behind a web application that our customers use every day. You'll get to know it deeply, keep it reliable and improve it as we grow. Just as important: you'll help make sure knowledge and ownership are shared across the team., * Build, test and deploy customer-facing features in Next.js and React, with supporting Django and API changes where needed. * Turn customer needs and designs into clear, responsive and accessible interfaces. * Build the flows that guide customers from first interest to advice, quote, order, planning and installation. * Keep improving conversion, speed and usability based on data and customer feedback. Support customers after installation * Improve the flows customers use after installation, from questions and service requests to documents and updates. * Connect the web application with the workflows used by our sales, planning, installation and service teams. * Remove manual work and friction for customers and colleagues alike. Strengthen the frontend platform * Improve frontend architecture, reusable components, performance, accessibility and SEO. * Improve automated frontend testing, CI/CD, monitoring and safe release practices. * Work with the Backend Developer to shape clear APIs and interfaces between the web application, apps and external systems. * Turn implicit knowledge into clear documentation and repeatable engineering practices. * Review code and share knowledge by default. Build with AI * Use AI tools to support design, coding, testing, reviews and documentation. * Help the team improve its AI workflows, shared context and quality checks. * Try new tools, keep what works and share what you learn. * Hold AI-assisted code to the same standards as any other production code. Work across the company This role reaches beyond the software team. You'll work with marketing, sales, planning, installation, service and product development to solve today's customer and operational issues without compromising the platform for tomorrow., * You understand the customer journey end to end, the frontend architecture and where it connects to our backend. * You can independently ship frontend features and make focused Django or API changes when needed, using the team's review and release practices. * You've identified the biggest usability issues and frontend technical risks in the journey, and helped prioritise them. As the role develops * New frontend features ship predictably, safely and with good test coverage. * More visitors become customers, and customers rarely need to contact us to know where they stand. * You take responsibility for the frontend architecture and significant parts of the customer journey. * The team uses AI tools confidently and responsibly in its day-to-day work. * Critical parts of the frontend are understood and maintained by more than one person. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [WeAreDevelopers LIVE – Frontend Inspirations, Web Standards and more](https://www.wearedevelopers.com/videos/1761-wearedevelopers-live-frontend-inspirations-web-standards-and-more) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [From Zero to Hero: NextJS 13 and Tailwind CSS for Beginners](https://www.wearedevelopers.com/videos/766-from-zero-to-hero-nextjs-13-and-tailwind-css-for-beginners) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)