We are looking for a Senior Software Engineer (m/f/d) in Berlin who will join our international tech team  in creating one of the fastest-growing companies in the heating market.
 As part of our engineering team, Ellie tool, you’ll be responsible for building the technical solution for the optimal allocation of our in-house workforce. Together with your cross-functional team, you’ll build a highly effective product that manages our most unique asset at thermondo, the more than 500 craftspeople for installations and service. We want to send the right team to the right place at the right time while ensuring an outstanding customer experience.

While our products have been built using Python and Django, we appreciate an agnostic approach to software development, therefore, we welcome you as you are, a specific programming language is not required here.

• Collaborate closely with an interdisciplinary team, engaging in product discovery, planning, and implementing user-focused solutions.
• Take ownership of and lead the development of software solutions.
• Create user-friendly solutions, geared toward driving business value. The team is working on a tool that allows us to send the right team at the right time to the right place across Germany, hundreds of times a week.
• Establish and uphold engineering standards while advocating for improvements.
• Provide guidance and coaching to team members, including non-technical roles.

• You have 8+ years of experience developing web applications with any programming language.
• Applied work experience in designing and developing high-performance, scalable services (based on microservices architecture) & are knowledgeable in professional software engineering best practices, clean architecture, coding standards and documentation.
• You understand and apply design patterns & principles of Object Oriented Design).
• You have hands-on experience with automated tests & CI/CD platforms & experience building REST-APIs.
• You understand and are able to easily explain the difference between programming paradigms: Functional, Procedural, Object-oriented.
• Mentoring and coaching colleagues is something you do and value.
• You possess an agile software development mindset.
• We seek a C1 Level of English as our Technology Teams are primarily English speaking

• A job with meaning: 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.
• Growth and Development: 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.
• Invest in your future: Regular opportunities for training and further education from our own Learning & Development team or external coaches.
• Modern technoloy: 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.
• We offer a fantastic culture in the tech team and beyond:
         - Modern office in the heart of Berlin
         - You can bring your dog one day/week
         - Work from home - up to 3 days a week
         - You can lease a job bike
         - You receive an Urban Sports Club membership
         - Corporate Benefits at more than 100 partners 

About us
Germany must achieve its climate targets. To do so, the heating turnaround must succeed. This is exactly what we are working on as Germany's largest heating installer. Half start-up, half craftsman's business, we have clearly defined our purpose: Together, we make living climate-neutral. Every family, every home can become climate neutral. The key is to switch completely to green heating. Because heat is the biggest lever for saving millions of tonnes of CO₂ in the building sector every year.
 
As a market leader with strong investors, we are ready for this unique task. With the power of over 800 employees today, the experience of more than 35,000 installations and the knowledge gained from ten years of development work, we are leading our country towards climate-neutral living. House by house. 16 million times in Germany alone. For all of us.
 
Become part of our journey now!

• You go into an initial exchange with our Talent Acquisition team
• If both sides are interested you are going to have an interview with the Engineering Manager, Kyle
• After that we will share an Online Coding Challenge - which is the base of the Final round of interviews
• In the Final rounds you are going to have a Technical Interview based on your Coding Challenge, a System Design interview and an interview with your future Product Management counterpart.

If this is exactly the challenge you're looking for? We look forward to getting to know you!