Senior Software Engineer / Lead Engineer (m/w/d)

This is us

We are a Green-Tech company committed to making the energy industry more sustainable. With us, you’ll actively participate in the world of decentralized and renewable energies. Our mission is to advance the energy transition, and we do this with passion and innovation.

At Lumenaza, we uphold clear principles: sustainability, diversity, and collaboration. Our diverse team takes pride in promoting women in the tech industry. We provide in-depth training in energy market processes, granting you a solid foundation. Additionally, you’ll gain access to an exciting and future-proof industry. We recognize the complexities of the energy market, which is why we prioritize active knowledge sharing. Regardless of your prior industry experience, we’re committed to ensuring your successful start.

We aim to continue our sustainable growth and are looking for you as a Senior Software Engineer / Lead Engineer in Berlin (m/f/d).

Your tasks

• As a Senior Software Engineer / Lead Engineer in the „Billing“ team, you work on our dynamic billing platform. This platform stores an ever-growing number of rate configurations. We offer price calculators for our customers, calculate billing items, and create accounting files.
• You take on central responsibility to drive the development process within the team, develop proof-of-concept projects, and design new services and features.
• With your experience, you mentor less experienced team members in the development process and play a key role in ensuring the code quality within the team.
• Beyond the team, you communicate technical solutions and drive best practices in the company-wide development process.
• Together with the team lead and product owner, you develop architectural options, which are weighed and decided upon by the entire team.

Your profile

• You already have more than 5 years of experience as a Software Engineer and possess profound technical knowledge. A significant part of your professional software engineering experience has been with Python and Django.
• You have worked with distributed, microservices-based systems and have experience with Celery. JavaScript and React are your main front-end technologies.
• Experience in the (German) electricity market or in the billing/accounting sector is a plus. Fluency in English is a must.

Our Tech Stack

The majority of our processes are implemented in Python/Django, with PostgreSQL as the predominant database technology. We use the Robot Framework for system tests and deploy our containerized code within a GitLab-based CI process to Kubernetes test and production environments. We implement frontend applications with React. AI tools such as GitHub Copilot and ChatGPT support us in coding and daily business.

Outside of development, we primarily work with Jira, Miro, and Confluence.

Your team

At Lumenaza, you will be part of a dedicated team of over 50 employees, including more than 25 developers. In our international Billing team, which will consist of 7 developers including you, you are not just another member but a valued part of our strength. We value different perspectives and encourage active exchange and joint learning to grow together.

We offer you this

At Lumenaza, you can expect not only unique benefits but also a culture of support and development:

• Comprehensive onboarding and further training: New team members are significantly supported through targeted training programs so that skills can be continuously expanded.
• Flexibility for a better work-life balance: Benefit from flexible working hours and the possibility to work from home part-time to optimally balance work and private life.
• Attractive additional benefits: Fair pay is a basic requirement for us. In addition, we offer attractive additional benefits, such as a discounted electricity tariff and a reduced Germany ticket.
• Modern working environment: Our office in Berlin Kreuzberg offers an inspiring work atmosphere that promotes creativity and productivity.
• Innovation at the forefront of the energy transition: Be part of our team working at the forefront of energy innovation and help revolutionize the industry.

Apply now!

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