Senior ML Engineer

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{
  "id": "2634772",
  "name": "Senior ML Engineer",
  "office": "Czech Republic",
  "keywords": [],
  "schedule": "full-time",
  "createdAt": "2026-05-14T11:22:39+00:00",
  "seniority": "experienced",
  "department": "Tech",
  "occupation": "software_and_system_architecture",
  "subcompany": null,
  "employmentType": "permanent",
  "jobDescriptions": [
    {
      "name": "Your mission",
      "value": "<h1 style=\"line-height:1.38;margin-top:20pt;margin-bottom:6pt;padding:0pt 0pt 4pt 0pt;\"><span style=\"font-size:15pt;font-family:Arial, sans-serif;color:#001450;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">About StockStory</span></h1><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Index.dev is partnering with StockStory (CNBC / VERSANT) to hire a Senior AI Engineer in Prague.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">VERSANT is an independent, publicly traded company that brings together powerhouse brands such as CNBC, MS NOW (formerly MSNBC), USA Network, Oxygen, E!, SYFY, and Golf Channel along with dynamic digital and direct-to-consumer brands such as Fandango, Rotten Tomatoes, GolfNow, GolfPass, and SportsEngine.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">StockStory, now part of CNBC under VERSANT, is building the next generation of AI-powered equity research for individual investors. This is a chance to build products that can shape how millions of consumers understand markets and make investing decisions.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">We offer the best parts of a startup environment — small team, high ownership, fast execution, and room to experiment — with the backing and stability of VERSANT, an independent publicly traded media company.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">As an AI engineer, you will work on both an existing AI product with real user impact and greenfield projects with significant room for exploration. The work spans cutting-edge LLMs / ML, large-scale data systems, financial reasoning, and research tooling, with opportunities to apply ideas from functional programming and graph-based systems where they create real advantage.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">You will be joining a team of exceptional engineers, analysts, and investors working at the intersection of AI and public markets. A particularly rare part of this role is the level of direct access to experienced market professionals, including former hedge fund managers and top-tier analysts, whose insights can directly inform how you think about modeling, signals, and product design.</span></p><br><h1 style=\"line-height:1.38;margin-top:20pt;margin-bottom:6pt;padding:0pt 0pt 4pt 0pt;\"><span style=\"font-size:15pt;font-family:Arial, sans-serif;color:#001450;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">The Role</span></h1><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">We're looking for a highly capable Senior ML Engineer to join our team to build the next generation of AI-powered equity research.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">This role is for engineers who enjoy turning machine learning and AI capabilities into reliable product systems used by real customers at scale. It is especially well suited to people who want to work across the full stack of applied ML, from data pipelines and model training to inference, evaluation, and production operations.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">You will design, build, and operate core components of our AI platform: production-grade ML systems, LLM workflows, and supporting infrastructure that power core user experiences for individual investors.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">This role sits within a small and growing, high-caliber team where individuals are expected to operate with a high degree of ownership and autonomy, contributing directly to core product, engineering, and modeling decisions while working closely with senior leadership in a highly collaborative, low-bureaucracy environment with direct access to decision-makers.</span></p><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">A genuine interest in investing, public markets, and fundamental business analysis is expected.</span></p>"
    },
    {
      "name": "Your profile",
      "value": "<h1 style=\"line-height:1.38;margin-top:20pt;margin-bottom:6pt;padding:0pt 0pt 4pt 0pt;\"><span style=\"font-size:15pt;font-family:Arial, sans-serif;color:#001450;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">What We're Looking For</span></h1><br><ul style=\"margin-top:0;margin-bottom:0;\"><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Bachelor's degree in Computer Science or equivalent practical experience</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">5+ years of experience in software engineering with a focus on machine learning or AI systems</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Experience building and operating production ML systems</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Strong proficiency in Python, TypeScript, or Java</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Proven experience with LLMs, ranking or recommendation systems, search, or applied NLP</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Solid understanding of modern ML techniques, including deep learning and representation learning</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Experience contributing to system design and technical decision-making</span></p></li></ul><br><h1 style=\"line-height:1.38;margin-top:20pt;margin-bottom:6pt;padding:0pt 0pt 4pt 0pt;\"><span style=\"font-size:15pt;font-family:Arial, sans-serif;color:#001450;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">What You'll Do</span></h1><br><ul style=\"margin-top:0;margin-bottom:0;\"><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Design, implement, and maintain production ML and AI systems used at scale</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Own end-to-end delivery of AI features from data pipelines and training workflows to inference and monitoring</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Contribute to architectural decisions and technical standards and mentor peers to elevate ML quality</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Solve complex technical problems with moderate ambiguity and strong business impact</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Participate in code reviews and incident retrospectives to improve system quality and reliability</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Support the team's overall technical growth</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Identify and mitigate risks in AI systems, including performance regressions, bias, and operational issues</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Use and improve model lifecycle management, monitoring, and evaluation frameworks</span></p></li></ul><br><h1 style=\"line-height:1.38;margin-top:20pt;margin-bottom:6pt;padding:0pt 0pt 4pt 0pt;\"><span style=\"font-size:15pt;font-family:Arial, sans-serif;color:#001450;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">Desirable Skills & Experience</span></h1><br><ul style=\"margin-top:0;margin-bottom:0;\"><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Hands-on experience with neural networks, including CNNs, RNNs, Transformers, or other deep learning architectures</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Background in classical and modern NLP techniques such as tokenization, sequence labeling, language modeling, embeddings, text classification, and information extraction</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Experience with training pipelines using frameworks such as TensorFlow or PyTorch</span></p></li><li style=\"list-style-type:disc;font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\"><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Experience building human-in-the-loop training or evaluation workflows</span></p></li></ul><br><h1 style=\"line-height:1.38;margin-top:20pt;margin-bottom:6pt;padding:0pt 0pt 4pt 0pt;\"><span style=\"font-size:15pt;font-family:Arial, sans-serif;color:#001450;background-color:transparent;font-weight:700;font-style:normal;text-decoration:none;\">Location</span></h1><br><p style=\"line-height:1.38;margin-top:0pt;margin-bottom:0pt;\"><span style=\"font-size:11pt;font-family:Arial, sans-serif;color:#000000;background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;\">Hybrid — 4 days on-site in Prague, Czech Republic / 1 day remote.</span></p>"
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