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10% of Europe’s CO₂ emissions are caused by residential heating, and energy bills are out of control. Aira is here to change that. With our intelligent Aira Heat Pump at the heart, we’re making the switch to clean energy-tech easier and more affordable. Helping Europe turn off gas and slash energy costs one home at a time. Founded in 2022, and with 1200+ employees and counting, Aira is driving the clean energy revolution by providing homes with modern clean energy-tech solutions such as solar power, battery storage solutions, and heat pumps. With a state-of-the-art production facility in Poland, and HQ in Stockholm, Sweden, and hubs across the UK, Germany, and Italy, Aira is well on track to install clean energy-tech into 5 million homes by 2034. About The Role As a Frontend Developer on our Planning team, you'll help transform how clean energy gets delivered—by empowering our planners with intuitive, data-driven tools. This team is responsible for optimizing the scheduling of Aira’s field force. The domain stretches across the whole customer journey, including tools for booking and coordinating sales visits, heat pump installations, and maintenance. You'll work at the intersection of software and real-world impact, building data products that help planners effectively schedule our field force based on proximity, dates, and other critical factors. In this role, you will: Build modern user interfaces that enable planners to visualize and optimize complex scheduling scenarios—bringing clarity, efficiency, and effectiveness to workforce planning Develop interactive map-based tools that help planners make better decisions based on geographical proximity, travel times, and resource availability Create intuitive dashboards that collect and visualize operational data, helping planners identify patterns, balance workloads, and make smarter scheduling decisions Design user experiences that simplify the planning process and reduce cognitive load—enabling planners to focus on strategic decisions rather than administrative tasks Support dynamic rescheduling capabilities with clear interfaces that highlight impacts and alternatives when changes occur Help us scale into new regions and markets by building flexible interfaces that adapt to varying local requirements, scheduling constraints, and service models We're changing how clean energy visits are planned and scheduled—making it smarter, faster, and better for everyone involved. If you're excited about building modern tooling and UIs that empower planning teams and drive tangible outcomes, this is the role for you. What You’ll Bring To The Role Solid experience with product-driven software development and agile environments Experience with React and TypeScript Strong visualization skills, especially with maps and timeline interfaces We would also expect you to have experience in at least two of the following areas: Rapid growth journeys (start-ups, scale-ups, new environments) Kanban, Scrum, and/or a combination of both Next.js Data visualization libraries (D3.js, Chart.js, etc.) Map integration (Mapbox, Google Maps, Leaflet) Experience building planning or scheduling interfaces What is in it for you? Gain hands-on experience in a fast-growing scale-up, with a supportive and inclusive culture, and career advancement opportunities. Collaborate with diverse teams across international markets and launch products globally. Develop and grow personally and professionally in an entrepreneurial-minded environment. Thrive in a dynamic, solution-oriented culture, tackling challenges and driving meaningful solutions that make a positive impact on the world. Influence the company's success, with a visible impact on product development and market growth. Enjoy the flexibility of our hybrid work model and discover our brand-new office at Norra Stationsgatan 93 in Stockholm. Conveniently located near public transport, with Sankt Eriksplan and Odenplan stations just a few minutes' walk away At Aira, we champion the next-generation energy as well as diversity and inclusion. We firmly believe that a diverse workforce fosters innovation and creativity, enhancing our ability to serve customers and communities effectively. We welcome individuals from all backgrounds, cultures, and perspectives to join our team. Our commitment is to uphold equality and inclusivity, fostering a collaborative environment where everyone can thrive and contribute to a better future for our people and the planet.
Here's where they are and how to stand out in your next interview.
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That number includes positions in India (9,577), Poland (3,429), the United States (1,753), Singapore (787), and Brazil (779). If you're looking to move or work remotely, check which countries match your goals — then filter WorkMundi by location to see what's actually hiring near you.
Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.