Full-Stack Software Engineer Payments (m/f/d) Munich, Berlin or Hamburg

You will play a pivotal role in shaping the monetization of our renewable energy solutions. By focusing on payment integrations and smartly monetizing our existing products, you will enable seamless, scalable, and international business growth. Your work will directly contribute to making renewable energy accessible and profitable for private homes and small businesses worldwide.As a software engineer in 1KOMMA5°, you will join an established cross-functional team alongside engineers, product managers and product designers. You will help build a self-organized tech team, responsible for developing, deploying and running their own solutions to contribute to those work streams.Learn more about our Product & Tech team!Key responsibilities include but are not limited to:

• Contribute your skill and experience to a team of self-driven software engineers
• Extending and maintaining business critical backend applications
• Help shaping actionable requirements from complex and undefined business problems
• Foster a culture of experiment-driven innovation
• Improve developer experience by constantly avoiding/reducing tech-debt, automating as much as possible and documenting decisions, runbooks etc.

We are an ambitious and dynamic company with a talented team. We require our engineers to be imaginative, enthusiastic, and willing to tackle new challenges as we strive to make an impact.Furthermore we require you to have:

• experience with setting up and integrating payment systems, including handling transaction workflows, payment gateways, and secure processing
• proven experience in writing maintainable, self-describing, reusable and testable code with major back-end or full-stack technologies in several past projects
• experience designing and maintaining RESTful APIs
• experience with measuring and improving performance
• an agile and result-oriented mindset and a passion to support your team colleagues
• interest or experience in human-centered software development
• excellent knowledge of spoken and written English; German is a plus
• residency in Germany

Our stack:

• NestJS/TypeScript or Ruby on Rails for backend applications leveraging cloud run services and cloud functions
• Next.js/TypeScript for frontend applications, Flutter for mobile applications
• Infrastructure as code, deployment to Google Cloud, observability with Datadog
• Low-Code Platforms for simple third party integrations

• Contribute to a dynamic and highly motivated team with people who have proven that they can make things happen and move companies forward
• With your work, you accelerate the "energy and mobility transition" and make a concrete contribution to the sustainable transformation of our energy infrastructure
• You move in flat hierarchies and have direct contact with the managing directors as well as short decision-making paths
• Work with and learn from other skilled engineers and join conferences and exciting meetups
• You can work remotely (Germany-wide), with offices in Berlin, Hamburg and Munich
• See the direct impact of your work on a rapid-scaling user base
• Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass