
Aira Group AB · Stockholm
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 Hea...
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 slashing 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 Senior Flutter Developer in the Engagement Team, you will build the tools that enable our field teams to deliver smooth
installations and exceptional service. You'll be part of one of our cross-functional teams working primarily with the mobile
application that installers and service technicians use. In practice, this means building tools for commissioning and servicing
the full range of Aira's clean energy systems — heat pumps, solar panels, batteries, and inverters, as well as managing software
updates and helping technicians troubleshoot in the field.
pressure
installing and servicing
edge devices
We would also appreciate if you have experience with or knowledge of some of the following:
hardware
What is in it for you?
homes across Europe every day.
on the ground in the UK, Germany, and Italy.
Odenplan.
We interview on a rolling basis throughout the summer, with the majority of interviews taking place in August.
At Aira, we champion 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.
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 slashing 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 Senior Flutter Developer in the Engagement Team, you will build the tools that enable our field teams to deliver smooth installations and exceptional service. You'll be part of one of our cross-functional teams working primarily with the mobile application that installers and service technicians use. In practice, this means building tools for commissioning and servicing the full range of Aira's clean energy systems — heat pumps, solar panels, batteries, and inverters, as well as managing software updates and helping technicians troubleshoot in the field. As a Senior Flutter developer, you will: Own and ship features across iOS and Android from a single Flutter codebase Partner with UX design to craft interfaces built for real field conditions, used by technicians on-site, often under time pressure Work tightly with the in-field teams to optimize the commissioning experience. Build reliable device integrations over Bluetooth, Wi-Fi, and Thread - connecting technicians directly to the hardware they're installing and servicing Make pragmatic decisions about when to prioritize speed and when to focus on long-term scalability Contribute to architectural decisions that support our rapid growth and international expansion What you bring to the team: Solid experience with product-driven software development and agile environments 5+ years of mobile development experience Flutter experience preferred, React Native considered. Experience building and consuming REST APIs and integrating third-party SDKs Familiarity with state management patterns such as Bloc or Riverpod, and an appreciation for testable code Comfort working with structured data contracts and binary protocols — we use Protobuf for communication between the app and our edge devices We would also appreciate if you have experience with or knowledge of some of the following: Hands-on experience with device communication protocols such as Bluetooth LE, Wi-Fi, or Thread Familiarity with embedded Linux environments or edge computing. The devices our app talks to run a Rust application on Linux hardware Experience with event-driven architectures or message brokers such as Kafka A track record of thriving in rapid-growth environments (start-ups, scale-ups, or new projects). What is in it for you? Develop and grow in a fast-growing scale-up with a supportive and inclusive culture. Contribute to something measurable. Every smooth commissioning enables a more environmentally sustainable Europe. See your work in action in the real world. The app you build is used by technicians installing clean energy systems in people's homes across Europe every day. Collaborate with colleagues across the full value chain, from R&D in Sweden and manufacturing in Poland to installation teams on the ground in the UK, Germany, and Italy. Enjoy the flexibility of our hybrid work model, with our office centrally located in Stockholm near Sankt Eriksplan and Odenplan. We interview on a rolling basis throughout the summer, with the majority of interviews taking place in August. At Aira, we champion 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.
I uppdrag av vår kund söker vi nu en erfaren .NET Full-stack Developer till ett innovativt högteknologiskt bolag i Stockholm som utvecklar avancerade nätverks- och uppkopplingslösningar. Bolaget arbetar med nästa generations optiska nätverkslösningar och har kunder inom bland annat telekom, cloud, enterprise och offentlig sektor internationellt. Här blir du en del av en agil R&D-miljö där innovation, kvalitet och samarbete står i fokus. Om rollenSom .NET Full-stack Developer kommer du att designa och utveckla högkvalitativa mjukvarulösningar som driver framtidens nätverksprodukter och tjänster framåt. Du blir en del av ett agilt utvecklingsteam som arbetar med både interna och kundnära applikationer, med stort fokus på skalbarhet, stabilitet och modern systemarkitektur. Rollen kombinerar fullstackutveckling, arkitektur och nära samarbete med hårdvaru-, firmware- och produktteam. Teamen består vanligtvis av 5–8 personer med utvecklare, testare och Scrum Masters. Mer specifikt innebär rollen att: Designa och utveckla moderna desktop- och webbapplikationer (t.ex. React + Next.js, Avalonia eller liknande). Säkerställa att applikationerna är optimerade för plattformsoberoende användning (mobil, macOS, Windows och Linux). Arbeta nära hårdvaru-, firmware- och produktledningsteam för att leverera kompletta lösningar från idé till färdig produkt. Driva och etablera bästa praxis inom utveckling, testning och DevOps för att säkerställa hög kvalitet, skalbarhet och långsiktig hållbarhet. Vara mentor för juniora utvecklare och bidra till att bygga en stark och högpresterande ingenjörskultur. För rätt kandidat finns möjlighet att ta ett produktägaransvar och vara med och påverka produktens strategiska utveckling. KravMinst 5 års erfarenhet som Full-stack Developer eller Software Engineer Stark kompetens inom modern .NET-utveckling (.NET 8 eller senare är meriterande) Erfarenhet av att bygga webbapplikationer från grunden med moderna JavaScript/TypeScript-ramverk såsom React och Next.js Erfarenhet av cross-platform-utveckling och responsiva applikationer Erfarenhet av CI/CD, Azure, Docker och Kubernetes God problemlösningsförmåga och vana att arbeta självständigt God kommunikativ förmåga på både svenska och engelska Relevant utbildning inom systemutveckling eller liknande MeriterandeErfarenhet av mobilutveckling (React Native, Flutter eller liknande) Kunskap inom backendtekniker såsom Node.js, Python eller Go Erfarenhet av embedded-utveckling eller hårdvarunära system Kunskap om kommunikationsprotokoll såsom SPI, I2C eller UART Erfarenhet av prestandaoptimering inom embedded- eller webbsystem Övrigt Tjänsten är placerad i Kista, Stockholm, med möjlighet till viss hybridarbete. Vårt erbjudande till digTech Talents är ett konsult- och rekryteringsbolag som sätter människan i fokus. Vi brinner för att skapa en arbetsmiljö där vi trivs och har roligt, samtidigt som vi utmanar traditionella arbetssätt inom konsultbranschen. Idag samarbetar vi med några av de mest innovativa bolagen inom tech, vars visioner formar framtiden och driver samhällsutvecklingen framåt. På Tech Talents är vi stolta över att bidra till innovationer som verkligen gör skillnad. Detta är ett konsultuppdrag där du initialt blir anställd av Tech Talents och arbetar som konsult hos vår kund i ett långsiktigt uppdrag. Vi erbjuder: Konkurrenskraftig månadslön och trygg anställning Möjlighet till kompetensutveckling och utbildning Tillgång till pensionsrådgivning Individanpassat ledarskap och en engagerad konsultchef Öppen för alla Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.
At Umain, we're not just creating software; we're crafting the future, one innovative project at a time. With our motto "Shape, Ship, Scale," we empower our team to not only envision the future but also play a pivotal role in building it. We're a dynamic team where you can shape the future, ship groundbreaking solutions, and scale your abilities in many different ways. We are now looking for Senior Backend Engineers who want to build robust solutions that power products used by millions of people. We have a proven track record: * 400M+ total app downloads * 50M+ monthly active users * Backends handling tens of thousands of requests per second * Globally recognized, multi-market applications The office in Stockholm is our default workplace, but we stay flexible when working from home makes sense for the team or the project. We trust each other to coordinate and keep things professional. Most of our work is built in Kotlin, Go, and TypeScript, and we aim to pick the tools that best fit each project so our teams can focus on delivering the right solution. The role is broad but centered on backend. You'll work on projects for both Swedish and international companies, including systems that integrate external services, automation, and frontend clients. AS A SENIOR BACKEND DEVELOPER, YOUR ROLE WILL INVOLVE: * Building high-performance backend systems in Go, Kotlin, TypeScript (Node.js), or Python, depending on the project. * Working with frameworks such as Ktor, Fiber, and NestJS. * Designing cloud-native systems with Infrastructure as Code (Terraform) across AWS, GCP, and Azure. * Developing robust data models and database architectures to support application requirements. * Building observable systems with the right metrics, logs, tracing, and alerting to understand and operate what we ship. * Building and maintaining CI/CD pipelines with containerized deployments and scaling strategies. If you're excited by working across the stack, always learning, and making a real impact at scale, we believe you'll feel at home at Umain. WHO YOU ARE: * 5+ years of experience building and running backend services in production. * Comfortable owning a system end to end, from API design to deployment and operations. * Strong in at least one of our core languages (Kotlin, Go, or TypeScript), and willing to pick up others as projects demand. * Experience making technical decisions on a team: weighing tradeoffs, reviewing code, and mentoring peers. * A product mindset: You think about maintainability, user impact, and long-term health, not just the ticket in front of you. * Familiar with agentic development tools * You treat unfamiliar problems and new technologies as an opportunity rather than a risk. In consulting, the next project often looks nothing like the last one, and you see that as a feature. WHAT WE OFFER: * A personal coach and support to help you develop both professionally and personally. * A range of diverse projects that explore and push the boundaries of what's possible. * A fun and fair work environment where you can grow through meaningful challenges and great colleagues. * Multidisciplinary teams where backend engineers work closely with product, design, analysis, and testing. * Working alongside some of the largest and most forward-thinking brands on the planet. WHY UMAIN? Career Framework We believe in fairness and clarity, which is why we've established a transparent career framework to ensure equal pay and equal opportunities for all. Your growth and success are as important to us as they are to you. Together with your coach, you will build your own development plan and grow in your career. Work-Life Balance At Umain, we understand that life doesn't pause when you walk into the office. We welcome team members from all walks of life and recognize the richness that different backgrounds, ages, and life stages bring to a team. Whether you're taking care of your family, your pets, or yourself, we're committed to supporting a healthy balance that respects your needs. Skills Over Degrees We're more interested in what you can do than in the diplomas you hold. Talent, drive, and creativity are what count at Umain. Here, you'll find opportunities to grow, learn, and excel in your career, regardless of your educational background. Background check Umain conducts a background check for final candidates in accordance with our internal policies. The check is carried out only with your consent and is ordered by our CISO through our approved screening partner. The scope of the check depends on the role level. This step is performed late in the recruitment process and is used solely to support a secure and fact-based hiring decision.