
Senior ML Engineer (Token Factory) at Nebius
Amsterdam, NetherlandsFull-timeMLPosted 15 days ago
About the Role
<div class="content-intro"><p><strong>About Nebius:</strong></p>
<p>Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.</p>
<p>Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.</p>
<p>Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.</p></div><p><span data-contrast="auto"><span data-ccp-charstyle="Strong"><strong>About the role:</strong></span></span></p>
<p><span data-contrast="auto"><span data-ccp-charstyle="Strong">Token Factory is a part of Nebius Cloud, one of the world’s largest GPU clouds, running tens of thousands of GPUs. We are building an inference platform that makes every kind of foundation model — text, vision, audio, and emerging multimodal architectures — fast, reliable, and effortless to deploy at massive scale.</span></span></p>
<p> </p>
<p><strong><span data-contrast="auto"><span data-ccp-charstyle="Strong">Responsibilities:</span></span></strong></p>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Develop and </span><span data-ccp-parastyle="Normal (Web)">optimize</span><span data-ccp-parastyle="Normal (Web)"> low-level kernels and runtime components for AI inference</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Improve performance of inference engines GPU platforms</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Profile and debug system-level and hardware-level performance issues</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Integrate support for new hardware architectures (Hopper, Blackwell</span><span data-ccp-parastyle="Normal (Web)">,</span></span><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)"> Rubin</span></span><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">)</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="4" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Collaborate with </span><span data-ccp-parastyle="Normal (Web)">ML </span><span data-ccp-parastyle="Normal (Web)">and </span><span data-ccp-parastyle="Normal (Web)">backend</span> <span data-ccp-parastyle="Normal (Web)">teams to </span><span data-ccp-parastyle="Normal (Web)">optimize</span><span data-ccp-parastyle="Normal (Web)"> end-to-end execution</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<p> </p>
<p><strong><span data-contrast="auto"><span data-ccp-charstyle="Strong">Required Qualifications:</span></span></strong></p>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Strong </span><span data-ccp-parastyle="Normal (Web)">proficiency</span><span data-ccp-parastyle="Normal (Web)"> in C++</span><span data-ccp-parastyle="Normal (Web)">,</span><span data-ccp-parastyle="Normal (Web)"> OR </span><span data-ccp-parastyle="Normal (Web)">expertise</span><span data-ccp-parastyle="Normal (Web)"> in GPU programming with a focus on low-level high-performance coding and memory management</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Experience in </span><span data-ccp-parastyle="Normal (Web)">GPU programming or </span><span data-ccp-parastyle="Normal (Web)">systems-level software development</span><span data-ccp-parastyle="Normal (Web)">, </span><span data-ccp-parastyle="Normal (Web)">e.g.</span><span data-ccp-parastyle="Normal (Web)"> operating system internals, kernel modules, or device drivers</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Hands-on experience </span><span data-ccp-parastyle="Normal (Web)">with </span><span data-ccp-parastyle="Normal (Web)">profiling and debugging tools to </span><span data-ccp-parastyle="Normal (Web)">identify</span><span data-ccp-parastyle="Normal (Web)"> performance issues on both CPUs and GPUs, and the ability to optimize code based on those findings.</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="5" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Solid understanding of CPU/GPU architecture and memory hierarchy</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<p> </p>
<p><strong><span data-contrast="auto"><span data-ccp-charstyle="Strong">Preferred Qualifications:</span></span></strong><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></p>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Experience with GPU</span><span data-ccp-parastyle="Normal (Web)"> computing</span><span data-ccp-parastyle="Normal (Web)"> programming</span><span data-ccp-parastyle="Normal (Web)">:</span><span data-ccp-parastyle="Normal (Web)"> CUDA, </span><span data-ccp-parastyle="Normal (Web)">ROCm</span><span data-ccp-parastyle="Normal (Web)">, </span><span data-ccp-parastyle="Normal (Web)">CUTLASS, Cute, </span><span data-ccp-parastyle="Normal (Web)">ThunderKittens</span><span data-ccp-parastyle="Normal (Web)">, </span><span data-ccp-parastyle="Normal (Web)">Triton, Pallas, Mosaic GPU</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Familiarity with ML inference runtimes (e.g. </span><span data-ccp-parastyle="Normal (Web)">TensorRT</span><span data-ccp-parastyle="Normal (Web)">, TVM)</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Knowledge of Linux internals, drivers, or compiler toolchains</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Experience with tools like perf, </span><span data-ccp-parastyle="Normal (Web)">VTune</span><span data-ccp-parastyle="Normal (Web)">, Nsight, or </span><span data-ccp-parastyle="Normal (Web)">ROCm</span><span data-ccp-parastyle="Normal (Web)"> profiler</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto"><span data-ccp-parastyle="Normal (Web)">Familiarity with popular inference engines (e.g. such as </span><span data-ccp-parastyle="Normal (Web)">vLLM</span><span data-ccp-parastyle="Normal (Web)">, </span><span data-ccp-parastyle="Normal (Web)">sglang</span><span data-ccp-parastyle="Normal (Web)">, TGI)</span></span><span data-ccp-props="{"134233117":true,"134233118":true}"> </span></li>
</ul>
<p> </p>
<p><span data-ccp-props="{}"><em data-stringify-type="italic">We conduct coding interviews as part of the process.</em></span></p><div class="content-conclusion"><p><strong>Benefits & Perks:</strong></p>
<ul>
<li>Competitive compensation</li>
<li>Career growth and learning opportunities</li>
<li>Flexibility and work-life balance</li>
<li>Collaborative and innovative culture</li>
<li>Opportunity to work on impactful AI projects</li>
<li>International environment and talented teams</li>
</ul>
<p><strong>What's it like to work at Nebius:</strong></p>
<p>Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI </p>
<p><strong>Equal Opportunity Statement:</strong></p>
<p>Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.</p>
<p>Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. </p>
<p>If you need accommodations during the application process, please let us know.</p></div>
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