You will help transform the business of servicing renewable technologies at scale
With our service and CRM platform, we redefine service processes to accelerate the global energy transition empowering private homes and small businesses to adopt sustainable energy solutions
As a Senior Software Engineer at 1KOMMA5°, you will take technical ownership of key systems and features, driving architectural decisions and ensuring scalability, reliability, and performance
You’ll collaborate closely with other engineers, product managers, and stakeholders to shape our technical direction and deliver high-impact solutions
Beyond writing great code, you’ll mentor teammates, champion engineering excellence, and help evolve our development and deployment practices to the next level
Design, build, and maintain business-critical systems across the stack. From scalable backend services to performant, user-friendly frontends
Design and implement the central architecture for the new Customer Support Platform
Orchestrating and visualising service processes within our virtual assembly line
Take ownership of this project from day one, making key decisions on API design, database structure, authentication and system scalability
Design and implement AI first workflows for customer related service cases
Translate complex and loosely defined business problems into clear, actionable technical solutions
Champion clean architecture, component reusability, and maintainable UI patterns using modern frameworks
Drive experiment-driven innovation and uphold strong engineering practices in testing, CI/CD, observability, and code quality
Continuously improve developer experience by reducing technical debt, automating workflows, and documenting key decisions and operational processes
Operate effectively in an asynchronous, outcome-oriented environment, managing your work autonomously and maintaining clear communication through documentation and structured updates
Contribute to lightweight project management by defining milestones, ensuring technical feasibility, and aligning engineering work with product goals
Requirements
Extensive experience writing maintainable, reusable, and testable code in TypeScript, with strong skills in both frontend frameworks (e.g. React, Next.js) and backend technologies (e.g. Node.js, NestJS, or similar)
Strong understanding of API design, data modelling, and system integration (RESTful or GraphQL)
AI first mindset
Experience in configuring and integrating SaaS Tools (such as Zendesk, Zoho CRM)
Proven ability to own features end-to-end, from UX and architecture to deployment and monitoring
A pragmatic, product-focused mindset that balances technical excellence with delivering customer value
Curiosity and initiative to explore new tools and methods that improve product quality and engineering efficiency
Excellent written and spoken English; German is a plus.
Tech Stack
Assembly
GraphQL
JavaScript
Next.js
Node.js
React
TypeScript
Benefits
You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen
With your work, you accelerate the "energy transition" and hence have a direct impact on our climate
Work with and learn from other super-smart colleagues
You move in flat hierarchies and have direct contact with the managing directors as well as short decision-making paths
You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups
You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich
Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass
Benefits and discounts are yours with Futurebens
Whether city bike or e-bike
be flexible with our job bike leasing and do something good for the environment at the same time