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Intern Software Engineer - AI Compilers

Rooflineai Gmbh

Köln permanent

Posted: December 19, 2025

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Quick Summary

Design and implement new components in our software stack, working alongside world-class engineers to enable AI applications across heterogeneous hardware platforms.

Job Description

Who we are:
Roofline is building a software development kit to run any model on disruptive hardware at the edge. We are looking for talented and ambitious engineers that are passionate about technology to design and implement new components in our software stack. You will work alongside other world class engineers to enable the full spectrum of AI applications across heterogeneous hardware platforms.


Why us?:
• The opportunity to grow. Be at the forefront of building and shaping an industry-defining venture. There are plenty of opportunities to learn and evolve.
• The team to succeed. We are building the leading AI compiler team in Europe. Join our future-focused team to contribute to meaningful, disruptive innovations with us.
• The flexibility you need. We want you to work in the most productive and sustainable way. Whether you need to take extra time off, adjust your schedule, or have other ideas to maximize your productivity, we’ve got your back.
• The compensation that rewards. We are looking for world class talent and pay accordingly. We offer equity for every employee since we truly want you to participate in our success.
• The culture you desire. We actively make space to build our culture. We organize dedicated regular events and retreats for the whole team.


Your mission:
• We offer a range of topics surrounding AI compilers. Current internship positions cover:• Improve our automatic benchmarking infrastructure to keep up with a constant influx of new state-of-the-art AI models
• Work on tools to find accuracy issues in the compiler
• Develop techniques to profile compilation phases

• Collaborate closely with other engineers on our AI compiler toolchain
• Improve the reliability and performance of our compiler across all kinds of neural networks and diverse hardware


Your profile:
• Pursuing a degree in Computer Science/ Electrical Engineering or a related field at a leading European University
• Knowledge and hands-on experience in C++ and/or Python
• Proven understanding of software engineering principles, data structures, design patterns, and algorithms 
• Experience with Linux, Git and common software development tools
• Ambition and curiosity to solve complex problems, a strong mindset to take ownership of your tasks to drive our solutions forwards, and collaborative attitude to foster our culture

 
Nice to haves: 
• Experience working with MLIR or LLVM.
• Meaningful contributions to open-source compiler communities
• Knowledge of AI algorithms, experience with using AI accelerators or compiling to relevant hardware
• Knowledge of neural networks 
• Knowledge about hardware architectures for CPUs, GPUs, or NPUs/accelerators is a plus

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