Platform Engineer

Permanent employee, Full-time · Berlin

About The Role

As Platform Engineer at Juna AI, you will work closely with our technical founder to build our core technology. This includes our data processing platform, our agent training and inference engine and beautiful customer facing applications. We expect you to wear multiple hats, embracing a true full-stack mindset. We believe in quality at all levels, as well as the power of fast iterations and continuous refactoring to create a scalable and clean codebase as the foundation of our long term success. If you are willing to fearlessly stretch yourself from c++ to css, if you enjoy building high quality, pragmatic code in short iterations, if you can push the boundaries of what is possible with technology, Juna is the right place for you.

Core Responsibilities

Building: Create clean, pragmatic, scalable code.
Product Ownership: Take the lead on product features. Combine high quality technical delivery with strong focus on delivering customer value.
Systems Design: Tackle complex technical challenges and design systems that can evolve from prototype to production.
ML Deployment: Work closely with our machine learning staff at a technical level to bring agent models to production.
Customer Integration: Deploy solutions within our industrial customers organizations, making a tangible difference in their operations.
Algorithm Development: Solve hard algorithmic problems that arise when interfacing ML with real-world physical systems.

About You

Tech Excellence

Full-Stack Experience: Strong engineering background with experience across the stack – from backend to frontend
Modern Languages: Proficient in modern programming languages such as Python, TypeScript, C++, or Rust
Scalable Systems: Experience building and maintaining scalable, production-grade systems and APIs
Infrastructure Know-How: Familiar with containerization, CI/CD, cloud infrastructure, and DevOps best practices
Data & ML Bonus: Experience working on data processing pipelines, ML deployment, or real-time systems
Frontend Bonus: Familiarity with frontend frameworks (e.g. React) and an eye for clean UI/UX

Personal Qualities

Pragmatic Problem-Solving: Analytical and pragmatic – able to navigate complex problems while keeping things simple
End-to-End Ownership: Comfortable owning features end-to-end, from design to deployment
Team Collaboration: Collaborative and communicative – able to work effectively across engineering, ML, and product

What we offer

Impactful Work: An opportunity to shape the future of manufacturing by contributing to groundbreaking AI technologies that decarbonize heavy industries.
Ownership: Equity participation, allowing you to share in our success as we grow.
Collaborative Environment: Work closely with experienced tech founders and a team of leading researchers, engineers, and entrepreneurs.
Professional Growth: Contribute your knowledge to drive our vision forward, with ample opportunities for learning and development.
Inclusive Culture: A commitment to equal rights, mutual respect, and the promotion of diversity in our workplace.

Life At Juna

We operate on the factory floor, not in slide decks. At Juna, you’ll solve high-stakes problems in the real world – chemical plants, paper lines, steel mills – and cut emissions of the biggest polluting industries in the world. We move fast, work face-to-face, and care about outcomes and solving customer problems. Juna is the place where you’ll experience the most impactful and productive time of your career.

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About us

Juna AI is revolutionizing heavy industries by leveraging AI-enabled autonomous agents to decarbonize and optimize industrial processes. Our mission is to transform complex manufacturing facilities into intelligent, self-learning systems that operate autonomously, delivering significant improvements in plant performance and sustainability. Our AI-based control system learns from sensor data to control complex processes in real time across industries like chemical, steel, paper, cement, and textile.

Juna’s founders, Matthias Auf Der Mauer and Christian Hardenberg, are serial entrepreneurs with a proven track record of founding successful startups, developing advanced AI and IoT applications, and scaling technology solutions globally for over 100 million users. They have led engineering teams of up to 2,500 engineers, launched more than 50 internet companies, and introduced transformative AI technologies to the manufacturing sector. Backed by extraordinary investors like Kleiner Perkins and Norrsken VC – the same backers behind companies like Google, Amazon, and Twitter – we are poised to make a significant impact on the future of industrial automation.

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Your application!

We appreciate your interest in Demo GmbH. Please fill in the following short form. Should you have any difficulties in uploading your files, please contact us by mail at demodaten@demo.de.