Senior Mobile Engineer (f/m/d)
Berlin (Zentrale) | Festanstellung | Vollzeit | 30 Tage
We're looking for
At thermondo, our mission is to decarbonize every home, and technology is our primary lever for change. We are disrupting a massive industry bogged down by legacy systems and manual work. This is where you come in. We build the intelligent software and automation that gives us a decisive edge, allowing us to operate at a scale and efficiency our competitors can't match. We are looking for a skilled and motivated Senior Mobile Engineer (f/m/d) to contribute directly to the development of our native mobile applications, with a strong focus on Android, and multi-platform solutions. This role is ideal for a hands-on engineer who is eager to grow their technical scope, take ownership of software development, and contribute to both mobile and adjacent full-stack systems.
If you enjoy this
- Lead Development of Native Mobile Features. You will architect, develop, test, and maintain high-quality features for our native Android/iOS applications (Kotlin Multiplatform Mobile), focusing on efficient UI implementation, state management, and robust data integration.
- Drive Mobile Architecture. You will design and implement technical architectures, focusing on best practices for performance tuning, offline/online capabilities, and stability in our mobile applications.
- Lead Integration Efforts. You will collaborate closely with backend and platform teams to ensure reliable, scalable integration of mobile features and complex API interactions.
- Take End-to-End Ownership. You will take full ownership of large-scale projects and epics from definition to deployment, translating complex business requirements into robust technical implementation plans.
- Spearhead AI Implementation. You will design, implement, and support scalable patterns for integrating pre-defined LLM services and AI-native features into the mobile application codebase.
- Elevate Development Practice. You will champion the improvement of mobile development workflows, lead code reviews, mentor junior and mid-level engineers, and raise the bar for engineering excellence across the team.
And recognise yourself here
- Experienced: You have 5-8+ years of hands-on experience in native mobile development within a fast-paced, high-scale product environment.
- Mobile and Growth Mindset. You have expert-level proficiency in native mobile development and are eager to apply architectural thinking as a versatile full-stack contributor.
- You are deeply experienced in native Android development (Kotlin) and modern Android architecture.
- You have experience with, or a strong ability to rapidly master and guide, our iOS application and Kotlin Multiplatform Mobile (KMM) integrations.
- You are an expert at designing robust API interactions, optimizing system data flows, and handling complex asynchronous operations.
- Python knowledge is a strong bonus and an asset for contributing to our internal systems.
- Autonomous & Driven: You are capable of managing complex technical roadmaps, prioritizing effectively, and driving implementation independently while providing technical leadership to the team.
- Pragmatic: You focus on delivering reliable, maintainable solutions and know when to leverage existing technology versus advocating for new paradigms.
- Strong Collaborator: You communicate technical challenges clearly to both technical and non-technical stakeholders and drive effective technical documentation.
Bonus points
- Production AI: Familiarity with concepts like prompt engineering.
- Mobile DevOps: Hands-on experience improving CI/CD pipelines, automated testing, and build/release processes for mobile apps.
- Event-Driven Systems: Experience working with asynchronous patterns and message queues (like Kafka or SQS/SNS) for reliable data exchange with mobile clients.
- Legacy Migration: Experience contributing to the modernization or refactoring of existing application codebases.
- A passion for climate tech. You're motivated by our mission to decarbonize homes and are excited to apply your skills to a problem that matters.
What we have to offer
- In this role, you can expect an attractive compensation package starting from €70.000.
- Join a team of Product Managers, Software Engineers, Designers, Data and Salesforce people who are excellent in their craft and are happy to share their knowledge and help you grow alongside them.
- Our team is using the latest frameworks and is working with a modern tech stack to build powerful products for our customers, craftspeople, and internal teams.
- Boost your skills with a dedicated annual learning budget to spend on conferences, courses or books.
- Choose your own AI coding companion – we provide you with the license for the AI model or assistant of your choice.
- We offer a challenge with purpose - the better our tech, the more people will live climate-neutral and the better the world becomes for future generations.
- We offer a fantastic culture in the tech team and beyond:
- Modern office in the heart of Berlin.
- Work from home - up to 3 days a week.
- You receive an Urban Sports Club membership & nilo.health membership.
- You can lease a job bike or bring your dog one day/week.
- Corporate Benefits at more than 100 partners.
- 20% employer contribution to your pension and disability insurance.
