Frontend Developer Hotmat.se

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.

About Mynt Mynt is an all-in-one corporate card and spend management platform on a mission to reinvent business banking. By combining smart software with cards and payments infrastructure, we remove manual, time-consuming admin from how companies manage spending. We’re growing fast across the Nordics and have secured significant funding to support our continued expansion in Sweden and internationally. Mynt is a tech-first, product-driven company where teams are empowered to solve real problems and build things that matter. We’re a licensed e-money institution, card issuer, and payment processor, operating under the supervision of the Swedish Financial Supervisory Authority. Through strong partnerships with leading players such as Fortnox and Nordea — and many more on the way — our solutions are now live across all Nordic countries. Joining Mynt means helping shape both a category-defining product and a company that’s still early in its journey. With 100+ colleagues (and growing), we’re building teams that value ownership, momentum, and customer impact. About the Role As a Frontend Developer, you will take a leading role in designing, building, and delivering high-quality features in a fast-paced environment. You will work with modern frameworks and technologies, contributing to a scalable and user-focused product. You will also play an active part in improving our deployment processes by supporting continuous integration and delivery initiatives, ensuring efficient and reliable releases. Collaboration is key in this role—you will work closely with designers, developers, and product managers in a cross-functional team to validate ideas, refine features, and create solutions that meet user needs at scale. Qualifications * Bachelor’s degree in Engineering, Computer Science, or equivalent experience * At least 4+ years of experience in frontend development using React * Strong knowledge of JavaScript/TypeScript, HTML, and CSS * Ability to write clean, maintainable, and well-documented code * Experience with unit testing and Test-Driven Development (TDD) * Solid understanding of functional and/or object-oriented programming * Experience working with REST APIs * Fluent in Swedish and English Good to have * Experience with Sentry or similar bug tracking tools * Knowledge of, or interest in learning, React Native * Experience owning and driving projects from start to finish What we can offer you * Be part of an amazing team in a fast-growing scale-up. * Work closely with a fun, high-performing team. * Enjoy a flexible working environment with a great office location in central Stockholm. * Shape your own development and responsibilities based on your passion and interest. The position will be filled as soon as we find a suitable candidate. Please reach out to us as soon as possible if you believe this for you!