(Senior) Software Engineer (f/m/d)

At Enpal, we are not just a company; we are a movement. As a leading European greentech unicorn, we are on a mission to make clean energy simple, accessible, and scalable for homeowners across the continent.

Through solar panels, heat pumps, home batteries, and EV charging, we are redefining residential energy. With Enpal Energy, we are building Europe’s leading platform to manage and orchestrate millions of distributed energy assets — laying the foundation for the largest Virtual Power Plant (VPP) in Europe.

Our vision: power Europe’s transition to a fully decentralized, intelligent, and clean energy system.

Job Description
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We're looking for a (Senior) Software Engineer to take end\-to\-end ownership of building and scaling our core product systems. You'll design and implement reliable services across our stack, integrate with external platforms and teams, and own the full lifecycle from idea to deployment. You'll also help shape our technical direction and mentor other engineers.

What you will do
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• Build and own complex solutions end\-to\-end, collaborating with your team and stakeholders to deliver product features that solve real user problems


• Design scalable backend services with NestJS/Node.js, create frontend experiences with Next.js/React, and architect data models with MongoDB


• Build and consume APIs, integrating with internal and external systems while collaborating with and guiding other engineering teams


• Own your deployments, build CI/CD pipelines, manage infrastructure as code, and maintain applications in production


• Drive code quality through testing, code reviews, and continuous integration, setting standards for the team


• Monitor systems, optimize performance, troubleshoot complex issues, and make architectural decisions for scalability


• Mentor mid\-level and junior engineers, foster a culture of clean code and best practices, and lead by example in technical discussions

Qualifications
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Required:

• 5\+ years of professional software development experience


• Strong proficiency in TypeScript and Node.js, or solid experience with other modern languages and willingness to learn our stack


• Strong experience working with MongoDB or other NoSQL databases, including schema design and optimization


• Proven track record building and consuming APIs, with experience leading cross\-team integrations


• Demonstrated ability to own projects from conception through deployment and maintenance


• Strong commitment to code quality, testing strategies, and building systems that scale


• Experience mentoring or leading other engineers

Nice to Have:

• Experience with Next.js and NestJS specifically


• Hands\-on experience with infrastructure as code tools (Terraform, Pulumi, etc.)


• Strong experience building CI/CD pipelines (GitHub Actions, Azure DevOps, etc.)


• Cloud platform experience (Azure preferred, but AWS/GCP transferable)


• Experience with containerization and orchestration (Docker, Kubernetes)


• Experience with monitoring, observability, and performance optimization tools


• Experience designing system architecture for high\-scale applications

Our Engineering Culture
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We value engineers who:

• Take end\-to\-end ownership of their work


• Care deeply about code quality and testing


• Embrace responsibility for the full lifecycle of their applications—from development through production


• Collaborate effectively across teams and communicate clearly about technical decisions


• Think about scalability and long\-term system design


• Lead by example and help grow the skills of those around them

What we offer
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• Work at Germany's first green unicorn \- Play an active role in shaping the solar energy transition.


• The sun shines all over the world \- At Enpal, you'll work with a highly motivated, diverse team of over 65 nationalities.


• The ideal setup for your focus \- We are convinced that excellent results are achieved when the conditions are right. That's why we rely on a hybrid working concept that gives you the freedom to always work in the way that best suits your tasks. Do you need new inspiration on an international level? With Workflex, we offer you the opportunity to relocate abroad for up to 30 days a year, depending on your responsibilities.


• Grown\-up business \& startup spirit \- In our modern office in Berlin\-Friedrichshain, you'll find everything your heart desires, from height\-adjustable desks and table tennis to stocked beverage fridges and barista coffee.


• Your kick\-start at Enpal \- Onboarding day with a welcome bag, buddy program, and a team that really supports you.


• Stay up to date \& help shape the future \- Transparent all\-hands meetings, short decision\-making processes, and an open feedback culture \- without mistakes, there is no progress.


• The energy transition can only be achieved together \- At Enpal, you can expect legendary team spirit and unforgettable team events.


• Your extra boost \- 29 \+ 2 vacation days, discounted membership at Wellhub, and corporate benefits. Everything you need to help you achieve a good work\-life balance.

*At Enpal, we are proud of the diversity of our team. No decisions are made on the basis of skin colour, religion or religious belief, ethnic or national origin, nationality, gender identity, sexual orientation, disability or age, either during recruitment or employment. Enpal stands for a safe workplace and takes action against discrimination and harassment of any kind.*

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