ai engineer (f/m/d) — applied ai & machine learning

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ai engineer (f/m/d) — applied ai & machine learning Jobs in Berlin

ai research engineer

applied scientist

Zalando

<div><div>Ort</div><div>
Germany - Berlin</div><div>
Vertrag</div><div>
Full time</div><div>
Job-Kategorie</div><div>
Applied Science &amp; Research</div></div>
<br><div><div><p><b>Junior Applied Scientist (all genders) - B2B Data Science and Algorithms</b></p><p></p><p>
The ZEOS department is responsible for all partner-facing Zalando Logistics Solutions. We provide a holistic approach to delivering the fulfillment solutions that meet our partner&rsquo;s needs by unifying these services under a single umbrella. We aim to provide our partners with a profitable fulfillment experience, and we see that to do this, Machine Learning, Operations Research, and data-driven solutions will play a pivotal role.</p><p></p><p>
We are seeking a highly motivated Junior Applied Scientist who is fueled by the desire to kickstart their career by building innovative and impactful ML/Optimization systems for our B2B logistics partners. You will join an established team of Senior Applied Scientists and Machine Learning Engineers, working in a cross-functional setup with Product Managers, Data Engineers, and Software Engineers.</p><p></p><p>
The team&rsquo;s focus is helping our B2B partners improve inventory health and order fulfillment efficiency. With guidance and mentorship from senior team members, you will contribute to building various ML/DL forecasting models (demand, returns, lead-times), stochastic inventory optimization solutions, recommendation services, and emerging Agentic AI systems. You will play a key role in a cross-functional team where your eagerness to learn and grow will directly translate into value for our partners!</p><p></p><p><b>
WHY YOU SHOULD BE INTERESTED&hellip;</b></p><ul><li><p>
Learn and Impact from Day One: You won't be stuck doing busywork. You will be an active scientific partner, working alongside experienced scientists and product teams to define problems and build solutions. Your fresh perspective will help identify new opportunities to create value for our partners.</p></li><li><p>
Tackle Complex Scientific Problems with Expert Guidance: This is your chance to bridge the gap between academia and industry. You'll tackle cutting-edge challenges in stochastic inventory optimization, multi-echelon demand forecasting, and recommender systems while receiving the mentorship needed to succeed.</p></li><li><p>
Explore Emerging Tech like Agentic AI: As we explore opening up MCP servers to our partners, you will assist in defining how we measure their performance. You will contribute to implementing evaluation frameworks (e.g., LLM-as-a-judge, safety guardrails) to ensure autonomous systems act reliably.</p></li><li><p>
Grow into End-to-End Ownership: You will have the opportunity to follow ideas from initial research and prototyping to production. You will learn how to define success metrics, collaborate with engineers to deploy scalable services, and monitor real-world impact on partner KPIs.</p></li><li><p>
Drive Impact at a Multi-Merchant Scale: Your contributions will help build platform-level services that scale across hundreds of diverse partners, shaping the future of a more sustainable and efficient e-commerce logistics network.</p></li></ul><p><b><br>
WE&rsquo;D LOVE TO MEET YOU IF&hellip;</b></p><ul><li><p>
Educational background in a quantitative field; Masters degree or higher preferred.</p></li><li><p>
Up to 2 years of hands-on experience (including internships, working student roles, or significant academic/thesis projects) applying scientific methods to solve complex problems.</p></li><li><p>
A solid theoretical foundation and practical exposure in at least one of the following areas:</p></li><li><p>
Machine Learning or Deep Learning for time-series forecasting (e.g., LGBM, ARIMA, Prophet, Transformers).</p></li><li><p>
Operations Research and Optimization (e.g., stochastic inventory models, linear/integer programming, Monte Carlo simulations).</p></li><li><p>
Machine Learning Engineering basics (e.g., understanding of git, batch processing, basic software testing).</p></li><li><p>
Agentic AI &amp; MCP evaluation frameworks</p></li><li><p>
Proficiency in SQL and Python, with some exposure to working with datasets.</p></li><li><p>
Strong communication skills with the ability to explain scientific concepts clearly and a desire to learn how to communicate effectively with business stakeholders.</p></li><li><p>
A collaborative, growth-oriented mindset. You have a passion for learning by doing and are not afraid to ask questions.</p></li><li><p>
You thrive in our team's core value: &ldquo;High Challenge, High Support&rdquo;! We cherish an open, direct feedback culture and are here to help you develop into a world-class scientist.</p></li></ul><p></p><p><b>
INCLUSIVE BY DESIGN</b></p><p></p><p>
At Zalando, our vision is to be the leading pan-European ecosystem for fashion and lifestyle e-commerce - one that is inclusive by design. We only assess candidates based on qualifications, merit, and business needs. We welcome applications from people of all gender identities, sexual orientations, personal expressions, racial identities, ethnicities, religious beliefs, and disability statuses. We only want to know why you're great for this role, so please avoid including your picture, age, and marital status in your CV as well.</p><p>
We want to provide you with a great candidate experience. Please feel free to inform us of any accommodations you may need, so we can best support and assist you throughout the hiring process.</p><p>
do.BETTER - our diversity &amp; inclusion strategy: https://jobs.zalando.com/en/our-culture/diversity-and-inclusion</p><p></p><p><b>
OUR OFFER</b></p><ul><li><p>
Zalando provides a range of benefits, here's an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer.</p></li><li><p>
Employee shares program</p></li><li><p>
40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners</p></li><li><p>
2 paid volunteering days per year</p></li><li><p>
27 days of vacation a year to start for full-time employees</p></li><li><p>
Family services, including counseling and support</p></li><li><p>
Health and wellbeing options (including Wellhub, formerly Gympass)</p></li><li><p>
Mental health support and coaching available</p></li><li><p>
Drive your development through our training platform and biannual peer-to-peer review</p></li></ul></div><div><b>
Recruiter</b><p>
Casimir Udegbunam</p><p>
casimir.udegbunam@zalando.de</p></div><div><p>
 Nach der Pr&uuml;fung werden unsere Recruiter*innen &uuml;ber eine offizielle Zalando E-Mail-Adresse (@zalando.de) Kontakt aufnehmen.</p><p>
In einigen F&auml;llen arbeiten wir auch mit einer Auswahl von Headhunter*innen und Agenturen zusammen, um bestimmte Positionen zu besetzen. Bitte beachte, dass weder Zalando noch unsere Rekrutierungspartner*innen irgendeine Art von Bezahlung verlangen, um sich f&uuml;r eine Stelle zu bewerben oder an einem Vorstellungsgespr&auml;ch teilzunehmen.</p></div></div><p></p>
<br><div></div><div><div><div><h2 class="jobSectionHeader"><b>&Uuml;ber </b><b>Zalando</b></h2><p>
Zalando wurde 2008 in Berlin gegr&uuml;ndet und ist die f&uuml;hrende europ&auml;ische Technologieplattform f&uuml;r Mode und Lifestyle. Wir verbinden 62 Millionen aktive Kund*innen mit mehr als 7.000 Marken in 29 M&auml;rkten. Unser Gesch&auml;ft basiert auf einer einzigartigen, KI-gest&uuml;tzten Daten- und Infrastrukturplattform. F&uuml;r unsere Kund*innen bietet unser Multi-App-Ansatz &ndash; bestehend aus Zalando, ABOUT YOU und Lounge by Zalando &ndash; ein inspirierendes, hochgradig personalisiertes Einkaufserlebnis. F&uuml;r unsere Partner bauen wir das Betriebssystem f&uuml;r den E-Commerce. &Uuml;ber ZEOS, Tradebyte und SCAYLE &ouml;ffnen wir unsere Logistik-, Software- und Servicekapazit&auml;ten f&uuml;r Marken und Einzelh&auml;ndler*innen zur nahtlosen, grenz&uuml;berschreitenden Skalierung ihres Gesch&auml;fts.</p></div></div></div>

Junior Applied Scientist (all genders)

primaholding GmbH

<div><div><div><div><div><div><div><div><div><div><h2 class="jobSectionHeader"><b>primaholding</b><br>
<b>Das sind wir</b></h2>
<p>Als international vertretene Unternehmensgruppe mit insgesamt vierzehn Tochtergesellschaften in drei L&auml;ndern begeistern wir uns f&uuml;r innovative, kundenfreundliche Produkte in den Bereichen Energie und Telekommunikation. Abgerundet wird das Profil der primaholding durch unsere Gesellschaft f&uuml;r Telemarketingdienstleistungen.</p>
<p>Dabei bildet nicht nur die langj&auml;hrige Erfahrung die Basis f&uuml;r unseren Erfolg, sondern vor allem die Kombination aus einem umfassenden Produktportfolio und zuvorkommendem Kundenservice. Gemeinsam mit einer Vielzahl an kompetenten Mitarbeitern setzen wir uns jeden Tag mit viel Begeisterung f&uuml;r die Ziele der primaholding ein und schaffen es nicht zuletzt durch den gezielten Know-how-Transfer zwischen der primaholding und den elf Tochterunternehmen, unseren Kunden und Vertriebspartnern immer wieder innovative L&ouml;sungen zu bieten. Dar&uuml;ber hinaus gelingt es uns, durch das Angebot unserer beiden Komplettversorger f&uuml;r den Haushalt, Ma&szlig;st&auml;be zu setzen und damit eine attraktive Alternative zu den &uuml;brigen Anbietern im Bereich Energie und Telekommunikation darzustellen.</p>
<p>Auf der Basis des deutschlandweiten Wachstums aller Tochtergesellschaften ist die primaholding seit einigen Jahren auch in der Schweiz und in &Ouml;sterreich aktiv. Damit wird der Erfolg unserer Tochtergesellschaften international vereint und punktet auch bei allen Kunden in unseren s&uuml;dlichen Nachbarl&auml;ndern jederzeit mit &uuml;berzeugenden Angeboten zu fairen Konditionen sowie einem hervorragenden Kundenservice.</p></div></div></div></div></div></div></div></div></div></div>
<br><div><div><div><div><div><div><h2 class="jobSectionHeader"><b>Wachstum</b><br>
<b>und Zukunft</b></h2>
<p>Mit unserem Namen verbindet sich eine bemerkenswerte Erfolgsgeschichte, deren Grundstein bereits im Jahr 2003 mit dem Markteintritt der heutigen Tochtergesellschaft primacall gelegt wurde. Seit der Entstehung der primaholding im Jahr 2008 w&auml;chst die gesamte Unternehmensgruppe in allen Gesch&auml;ftsbereichen sowohl wirtschaftlich als auch strukturell rasant. Dass wir bei der Erreichung unserer ambitionierten Ziele sehr erfolgreich sind, spiegelt sich nicht nur in der Zufriedenheit unserer Kunden und der Entwicklung der primaholding wider. Unsere Gesch&auml;ftsfelder stetig zu erweitern sowie die Effektivit&auml;t interner Abl&auml;ufe fortw&auml;hrend zu optimieren, ist ein Anspruch, den wir jeden Tag gemeinsam verfolgen.</p>
<p>Umso mehr freut es uns, dass die primaholding im Rahmen der Kampagne &bdquo;FT 1000&ldquo; von der Financial Times unter die 1000 wachstumsst&auml;rksten Unternehmen in Europa gew&auml;hlt wurde. Sehr stolz sind wir ebenfalls &uuml;ber die erneute Auszeichnung von voxpark mit dem TOP-JOB-Award als einer der besten Arbeitgeber im deutschen Mittelstand.</p></div></div></div></div></div></div><p></p>
<br><div><div><div><div><div><div><h2 class="jobSectionHeader"><b>Gemeinsam</b><br>
<b>Gro&szlig;es erreichen</b></h2>
<p>Als dynamisches und zukunftsorientiertes Unternehmen wissen wir, dass interessierte Menschen von heute die besten Mitarbeiter von morgen sind. Deshalb unterst&uuml;tzen wir alle Talente so fr&uuml;h wie m&ouml;glich mit individuellen Ma&szlig;nahmen und geben unabh&auml;ngig von Alter und Herkunft jedem die M&ouml;glichkeit, sich bestm&ouml;glich einzubringen.</p>
<p>Wenn Sie sich also sowohl pers&ouml;nlich als auch fachlich weiterentwickeln und dabei anspruchsvolle Aufgaben &uuml;bernehmen m&ouml;chten, sind Sie bei der primaholding genau richtig! Neben der Unterst&uuml;tzung und F&ouml;rderung der individuellen Kompetenzen jedes einzelnen Mitarbeiters spielt bei uns auch die Zufriedenheit der Mitarbeiter eine zentrale Rolle. F&uuml;r uns geh&ouml;ren eine angenehme Arbeitsatmosph&auml;re und motivierte Mitarbeiter zu den wichtigsten Faktoren f&uuml;r den langj&auml;hrigen Erfolg und das gro&szlig;e Wachstum der Unternehmensgruppe in allen Gesch&auml;ftsbereichen. Um diesen Standard weiter zu erhalten, optimieren wir die primaholding als Arbeitgeber kontinuierlich mit Hilfe von Feedback und sind stets offen f&uuml;r neue Vorschl&auml;ge, W&uuml;nsche, Lob und Kritik unserer Mitarbeiter. Besonders stolz sind wir darauf, dass sich diese Philosophie auch auf unabh&auml;ngigen Bewertungsportalen wie kununu widerspiegelt. Es freut uns, dass unsere Unternehmensgruppe damit nicht nur f&uuml;r Mitarbeiter, sondern auch f&uuml;r Bewerber einen attraktiven Arbeitsplatz darstellt.</p></div></div></div></div></div></div>
<br><div><div><div><div><div><div><div><h2 class="jobSectionHeader"><b>Unsere Mitarbeiter</b><br>
<b>sind uns wichtig</b></h2>
</div><div></div><div><div><div><div><div><div><h3 class="jobSectionHeader"><b>foodji</b></h3><div><p>
Subventioniertes frisches Mittagsessen,<br>
Snacks und Getr&auml;nke</p></div></div></div>
</div><div></div><div><div><div><h3 class="jobSectionHeader"><b>Attraktive Mitarbeiter-Benefits</b></h3><div><p>
Satte Rabatte und Zusatzleistungen<br>
auf unsere Strom- &amp; Gastarife,<br>
Mobilfunk-Flatrates, Festnetz &amp; Internet</p>
</div></div></div>
</div><div></div><div><div><div><h3 class="jobSectionHeader"><b>Top Lage</b></h3><div><p>
unmittelbar am<br>
U-Bahnhof Alt-Mariendorf</p></div></div></div>
</div></div><div></div><div><div><div><div><h3 class="jobSectionHeader"><b>Parkpl&auml;tze und e-Ladestationen</b></h3><div><p>
stehen f&uuml;r Ihr Fahrzeug zur Verf&uuml;gung</p></div></div></div>
</div><div></div><div><div><div><h3 class="jobSectionHeader"><b>Paketservice</b></h3><div>
private Pakete ins B&uuml;ro liefern lassen</div></div></div>
</div><div></div><div><div><div><h3 class="jobSectionHeader"><b>moderner Arbeitsplatz</b></h3><div><p>
in einer Top-Umgebung<br>
mit netten Kollegen</p></div></div></div>
</div></div><div></div><div><div><div><div><h3 class="jobSectionHeader"><b>flexible Arbeitszeiten</b></h3><div><p>
f&uuml;r eine angenehme<br>
Work-Life-Balance</p></div></div></div>
</div><div></div><div><div><div><h3 class="jobSectionHeader"><b>frisches Obst und Gem&uuml;se</b></h3><div><p>
und eine gro&szlig;e<br>
Auswahl an Snacks</p></div></div></div>
</div><div></div><div><div><div><h3 class="jobSectionHeader"><b>erstklassige Kaffee- und Teespezialit&auml;ten</b></h3><div><p>
sowie gek&uuml;hltes Wasser<br>
und Mineralwasser</p></div></div></div>
</div></div><div></div><div><div><div><div><h3 class="jobSectionHeader"><b>regelm&auml;&szlig;ig Teamevents</b></h3><div><p>
und eine j&auml;hrliche<br>
primaholding-Party</p></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div><div><div><div>AI Developer - Informatiker, Wirtschaftsinformatiker, Computer Scientist o. &auml;. (m/w/d)</div><div>
primaholding GmbH</div><div>
IT &amp; Entwicklung</div></div></div><div><h3 class="jobSectionHeader"><b>
AI Developer - Informatiker, Wirtschaftsinformatiker, Computer Scientist o. &auml;. (m/w/d) &ndash; KI, Automatisierung &amp; intelligente Gesch&auml;ftsprozesse</b></h3></div><div><div>
Sehr geehrte Damen und Herren,</div></div><div>
<div></div><div><div><div>Wir suchen zum n&auml;chstm&ouml;glichen Zeitpunkt einen</div>
<h3 class="jobSectionHeader"><b>AI Developer - Informatiker, Wirtschaftsinformatiker, Computer Scientist o. &auml;. (m/w/d)</b></h3>
<div>AID0626HP</div>
<div><div><div><div>Ihre Aufgaben</div><ul>
<li>Entwicklung und Implementierung intelligenter Automatisierungs- und KI-L&ouml;sungen f&uuml;r verschiedenste Unternehmensbereiche</li>
<li>Integration von KI-L&ouml;sungen in bestehende Unternehmenssysteme und Gesch&auml;ftsprozesse &uuml;ber APIs und Automatisierungsplattformen</li>
<li>Konzeption, Einf&uuml;hrung und Optimierung von Chatbot- und Voicebot-L&ouml;sungen f&uuml;r Vertrieb und Kundenservice</li>
<li>Entwicklung intelligenter Workflows zur Verarbeitung und Steuerung von Kundenanliegen aus E-Mail, Briefpost, Telefonie und weiteren Kommunikationskan&auml;len</li>
<li>Entwicklung von KI-gest&uuml;tzten Workflows, Agentensystemen und Entscheidungslogiken zur Automatisierung von Gesch&auml;ftsprozessen</li>
<li>Auswahl der jeweils sinnvollsten Technologien f&uuml;r den Anwendungsfall &ndash; von klassischer Prozessautomatisierung bis hin zu modernen KI- und LLM-L&ouml;sungen</li>
<li>Kontinuierliche Analyse und Optimierung bestehender KI-Anwendungen anhand von Nutzungsdaten, Qualit&auml;tskennzahlen und Business-KPIs</li>
</ul></div></div><div><div><div>Ihr Profil</div><ul>
<li>Abgeschlossenes Studium in den Bereichen Informatik, K&uuml;nstliche Intelligenz, Maschinelles Lernen, Computer Science, Data Science, Wirtschaftsinformatik oder in einer vergleichbaren Fachrichtung bzw. eine vergleichbare Qualifikation</li>
<li>Gute Kenntnisse im Bereich K&uuml;nstliche Intelligenz, insbesondere Machine Learning, Large Language Models (LLMs), Natural Language Processing (NLP), Retrieval-Augmented Generation (RAG) oder Agentensysteme</li>
<li>Erfahrung in der Entwicklung von Automatisierungs- und Softwarel&ouml;sungen, idealerweise mit Python und modernen API-Architekturen</li>
<li>Erfahrung in der Entwicklung von KI-gest&uuml;tzten Anwendungen, Agentensystemen und intelligenten Automatisierungsl&ouml;sungen sowie im Einsatz moderner Frameworks zur Integration von Sprachmodellen und Unternehmenssystemen ist von Vorteil.</li>
<li>Verst&auml;ndnis f&uuml;r Gesch&auml;ftsprozesse und die F&auml;higkeit, diese durch intelligente Automatisierung effizienter zu gestalten</li>
<li>Begeisterung f&uuml;r neue Technologien und die Bereitschaft, innovative Ans&auml;tze pragmatisch in die Praxis umzusetzen</li>
<li>Analytisches Denkverm&ouml;gen sowie eine strukturierte und l&ouml;sungsorientierte Arbeitsweise</li>
<li>Eigeninitiative, Kreativit&auml;t und Freude daran, neue Ideen bis zur produktiven Umsetzung voranzutreiben</li>
<li>Ausgezeichnete Deutschkenntnisse in Wort und Schrift sowie gute Englischkenntnisse</li>
</ul></div></div></div><div><div><div>Wir bieten Ihnen</div><ul>
<li>Eine hohe Sicherheit in einem unbefristeten Arbeitsverh&auml;ltnis</li>
<li>Eine kompetente Einarbeitung und jederzeit verf&uuml;gbare Ansprechpartner</li>
<li>Eigenverantwortliches Arbeiten</li>
<li>Interkulturelle und interdisziplin&auml;re Teams</li>
<li>Moderne Arbeitspl&auml;tze auf dem technisch neusten Stand in Wohlf&uuml;hlatmosph&auml;re</li>
<li>Sehr gute Verkehrsanbindung und ein eigener Parkplatz mit kostenloser Ladestation</li>
<li>Erstklassige Kaffee- und Teespezialit&auml;ten sowie Obst zum freien Verzehr</li>
<li>Die M&ouml;glichkeit, sich private Pakete ins B&uuml;ro zustellen zu lassen</li>
<li>Subventioniertes frisches Mittagessen, Snacks und Getr&auml;nke</li>
<li>Attraktive Mitarbeiter-Benefits, z. B. satte Rabatte und Zusatzleistungen auf unsere Strom &amp; Gas Tarife, Mobilfunk Flatrates, Festnetz &amp; Internet&hellip;</li>
</ul>
</div></div></div><div><div><p>Sie m&ouml;chten mit uns gemeinsam durchstarten?</p>
<p>Dann senden Sie Ihre vollst&auml;ndigen Bewerbungsunterlagen unter Angabe der Kennziffer und des fr&uuml;hestm&ouml;glichen Eintrittstermin bitte direkt &uuml;ber unser Online-Formular anFrau Jonscher.</p>
<p><i>Wir freuen uns auf Ihre Bewerbung!</i></p></div></div></div></div></div><p></p>

AI Developer - Informatiker, Wirtschaftsinformatiker, Computer Scientist o. ä. (m/w/d)

Xenon7

<div><p><b>About us:</b></p><p>
Where elite tech talent meets world-class opportunities!</p><p>
At Xenon7, we work with leading enterprises and innovative startups on exciting, cutting-edge projects that leverage the latest technologies across various domains of IT including Data, Web, Infrastructure, AI, and many others. Our expertise in IT solutions development and on-demand resources allows us to partner with clients on transformative initiatives, driving innovation and business growth. Whether it's empowering global organizations or collaborating with trailblazing startups, we are committed to delivering advanced, impactful solutions that meet today&rsquo;s most complex challenges.</p><p>
We are building a community of top-tier experts and we&rsquo;re opening the doors to an exclusive group of exceptional <b>AI &amp; ML Professionals </b>ready to solve real-world problems and shape the future of intelligent systems.</p><p></p><p><b>
Location:</b> Remote (Europe - CET)<br>
<b>Experience:</b> 5+ Years</p><p><b>
Project Duration:</b> ~ 2 months (B2B contract)<br>
<b>Availability:</b> Immediate Joiner</p><p></p><p><b>
Role Overview</b></p><p>
We are seeking a visionary and highly skilled <b>Senior Data Scientist</b> to lead the development of a cutting-edge document intelligence and discovery platform. This unique role sits at the intersection of advanced Generative AI, Machine Learning, and Cheminformatics. Your primary mission will be to solve a highly complex unstructured data challenge: transforming scanned PDF documents containing intricate chemical structures into highly searchable, interpretable, and actionable knowledge bases.</p><p></p><ul><li><b>
Architect Document Intelligence Solutions:</b> Design and implement advanced Machine Learning and Deep Learning models to parse, extract, and interpret text and complex chemical structures from unstructured, scanned PDF documents.</li><li><b>
Develop LLM &amp; Retrieval Systems:</b> Build and optimize Large Language Model (LLM) applications, leveraging vector databases to enable semantic search, advanced data interpretation, and retrieval-augmented generation (RAG).</li><li><b>
End-to-End ML Pipelines:</b> Own the entire machine learning lifecycle, including data preprocessing (specifically for chemical data and OCR outputs), model training, evaluation, deployment, and post-deployment monitoring.</li><li><b>
Bridge Chemistry &amp; AI:</b> Apply your chemistry domain knowledge to translate molecular structures, diagrams, and chemical data into machine-readable formats, embeddings, and actionable insights.</li><li><b>
Cloud Architecture &amp; Deployment:</b> Deploy scalable, secure, and production-ready AI/ML pipelines within the AWS ecosystem, ensuring high availability and performance.</li><li><b>
Cross-Functional Collaboration:</b> Partner closely with software engineers, data engineers, and domain experts to integrate ML models into the core product architecture and align with business goals.</li></ul><p></p><b><br>
Requirements</b><br>
<ul><li><b>
Professional Experience:</b> 5+ years of proven experience working as a Data Scientist, with a track record of delivering production-grade machine learning models.</li><li><b>
Domain Expertise:</b> A strong background in Chemistry, Cheminformatics, or a highly related scientific field, with a demonstrated ability to interpret and manipulate complex chemical structures and data types.</li><li><b>
Core Technical Stack:</b> Advanced proficiency in <b>Python</b> and deep hands-on experience with the <b>AWS cloud stack</b> (e.g., SageMaker, Lambda, S3, EC2).</li><li><b>
Generative AI &amp; Search:</b> Practical, hands-on experience working with LLMs (fine-tuning, prompt engineering, or API integration) and <b>vector databases</b> (e.g., Pinecone, Milvus, Weaviate, or Qdrant).</li><li><b>
ML/DL Mastery:</b> Robust experience in model development, validation, deployment, and evaluation framework tools (e.g., PyTorch, TensorFlow, Scikit-Learn).</li><li><b>
Document Processing (Plus):</b> Prior experience with Computer Vision, Optical Character Recognition (OCR), or Document AI systems is highly desirable given the scanned PDF focus.</li><li><b>
Soft Skills:</b> Strong analytical problem-solving skills, excellent communication, and the ability to thrive in a highly collaborative, cross-disciplinary project environment.</li></ul><br>
<b>
Benefits</b><p><br>
At Xenon7, we're not just building AI systems&mdash;we're building a community of talent with the mindset to lead, collaborate, and innovate together.</p><ul><li>
<b>Ecosystem of Opportunity:</b> You'll be part of a growing network where client engagements, thought leadership, research collaborations, and mentorship paths are interconnected. Whether you're building solutions or nurturing the next generation of talent, this is a place to scale your influence.</li><li>
<b>Collaborative Environment: </b>Our culture thrives on openness, continuous learning, and engineering excellence. You'll work alongside seasoned practitioners who value smart execution and shared growth.</li><li>
<b>Flexible &amp; Impact-Driven Work: </b>Whether you're contributing from a client project, innovation sprint, or open-source initiative, we focus on outcomes&mdash;not hours. Autonomy, ownership, and curiosity are encouraged here.</li><li>
<b>Talent-Led Innovation: </b>We believe communities are strongest when built around real practitioners. Our Innovation Community isn&rsquo;t just a knowledge-sharing forum&mdash;it&rsquo;s a launchpad for members to lead new projects, co-develop tools, and shape the direction of AI itself.</li></ul></div>

Senior Data Scientist - Europe

CE labs

<div><p>At CE Labs, which we just spun off from Cryspen, we're all about creating the core security and privacy tools for the apps of tomorrow. We do everything from advanced, end-to-end encrypted protocols such as MLS to handling all the cryptography underneath. Plus, we assist others in bundling these into SDKs and applications.</p>
<p>
We are looking for a systems-minded engineer fluent in Rust to join our small team. Your main focus will be translating RFCs, complex cryptographic primitives, and academic papers into production-ready, safe, and highly optimized software. You will also actively help us design and create entirely new protocols and standards.</p>
<h2 class="jobSectionHeader"><b>
Tasks</b></h2>
<ul><li>Develop and implement cryptographic protocols to enhance system security.</li>
<li>Collaborate with internal and external engineering teams to integrate security protocols into software applications.</li>
<li>Conduct security audits and vulnerability assessments to identify and mitigate risks.</li>
<li>Stay updated on the latest advancements in security and cryptography and apply them to our projects.</li>
<li>Work closely with clients to understand their security needs and provide tailored solutions.</li>
</ul><h2 class="jobSectionHeader"><b>Requirements</b></h2>
<ul><li>Strong foundation in applied cryptography and understanding of cryptographic protocols.</li>
<li>Experience with software development in Rust, specifically in security-focused applications.</li>
<li>Excellent problem-solving skills and the ability to work collaboratively in a small team setting.</li>
<li>A plus: A degree in Computer Science, Engineering, or a related field, or equivalent experience.</li>
<li>A plus: Interest in formal methods and their application in ensuring system correctness.</li>
</ul><h2 class="jobSectionHeader"><b>Benefits</b></h2>
<ul><li>Flexible working hours</li>
<li>Public transportation benefits</li>
<li>Remote work</li>
<li>Room to grow personally and professionally</li>
<li>Family-friendly work environment</li>
<li>4 day work week</li>
</ul>
<p>Join CE Labs as a Security / Cryptography Engineer and dive into cutting-edge cryptography. Be part of a small, dynamic team where your work in secure systems truly matters.</p></div>

Security / Cryptography Engineer

Moss

<div><p><b>At Moss, we give finance professionals the power to automate their day-to-day and make forward-thinking decisions.</b></p><p><b>
Our team and culture make us unique &mdash; we&rsquo;re driven by impact and growth, where every one of us strives to learn and excel. Recognised by </b><b>Sifted&rsquo;s Rising 100</b><b> and </b><b>LinkedIn's Top Startups</b><b>, we&rsquo;re here to help propel your career and together, make Moss a lasting success.</b></p><p>
We&rsquo;re expanding our Data &amp; AI team and looking for a senior/lead contributor who has hands-on LLM app/agent experience and is fluent in classical ML. You&rsquo;ll own end-to-end LLM/ML initiatives - from problem framing and modeling to evaluation, deployment, and iteration - directly improving core product workflows (invoice understanding, approval matching, reconciliation, anomaly detection, and user-assist).</p><p></p><p><b>
Your responsibilities</b></p><ul><li><p>
Own LLM/ML pipelines for extraction, classification, anomaly detection, and recommendations.</p></li><li><p>
Define evaluation &amp; monitoring: gold sets, automated tests, robustness checks, SLAs, and cost/latency tracking.</p></li><li><p>
Productionize with Platform/Data Eng: bring your models live and iterate/improve until they are adopted by your stakeholders</p></li></ul><p></p><p><b>
About you</b></p><ul><li><p>
5-10+ years in applied ML with production ownership of shipping models/systems.</p></li><li><p>
Hands-on LLM app/agent experience (tool use/function calling, RAG, structured outputs, guardrails) in production.</p></li><li><p>
Strong Python + ML stack (e.g., scikit-learn, XGBoost/LightGBM, PyTorch/TF) and solid experiment/evaluation skills.</p></li></ul><ul><li><p>
Strategic Problem Solver: You approach ambiguous problems by deeply understanding business context and framing data science solutions that drive meaningful outcomes. You rigorously validate assumptions, identify root causes, and prioritize solving the right problem before building.</p></li><li><p>
End-to-End Executor: You independently own projects from ideation to production, balancing model performance with engineering realities. You ensure solutions are scalable, monitored, and maintained with thoughtful evaluation, deployment, and iteration strategies</p></li></ul><p><b>
About Moss</b></p><p>
Moss is a SaaS scale-up founded in Berlin, with a team of 300+ people from 50+ nationalities in 5 offices across Europe.</p><p>
Our ambition is bold: to power every SMB&rsquo;s spend across Europe - fully digital, AI-driven, and seamlessly integrated for complete control. To date, over 5000 businesses in Germany, Netherlands and the UK use Moss&rsquo; leading spend management product, with modules such as corporate cards, accounts payables, employee cash reimbursements and procurement.</p><p>
Moss has raised a total of &euro;180 million in funding and is backed by the most renowned tech investors including Valar Ventures, Tiger Global, Global Founders Capital, Cherry Ventures and A-Star.</p><p>
Be part of a culture that thrives on impact and speed, where you can take bold moves, learn fast and accomplish more. We&rsquo;re a place where you can fast track your career - here's <b>what else to expect:</b></p><ul><li><p>
Top-of-market compensation package, including equity.</p></li><li><p>
Our vibrant offices are at the heart of our culture, where in-person time fuels collaboration and connection over weekly breakfasts and Friday demos.</p></li><li><p>
Additional benefits include: 20 days &ldquo;work from abroad&rdquo;, 600EUR/GBP Learning &amp; Development Budget, and other local benefits.</p></li></ul><p><i>
Unless stated otherwise, benefits apply to full-time positions (interns and working students receive a tailored package).</i></p><p><b><i>
By applying for the above position, you will confirm that you have reviewed and agreed to our </i></b><b><i>Data Privacy Policy</i></b><b><i>.</i></b></p></div>

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