> Markdown version of [/jobs/ext/2386398-principal-senior-data-scientist](https://www.wearedevelopers.com/jobs/ext/2386398-principal-senior-data-scientist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal / Senior Data Scientist - **Company:** ARLYN, INC. - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $175,000.0 - $255,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Computational Biology, Systems Architecture, Unstructured Data, Large Language Models, Prompt Engineering - **Published:** August 5, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f93c02c1d36cb725 ## About the Role * A strong conceptual thinker with deep technical expertise, who enjoys translating complex, ambiguous business challenges into clear, structured data problems. * Passionate about LLMs and real-world AI applications, with a pragmatic, impact-driven mindset * Bachelor's/Master's degree with 5+ years of industry experience in finance, biotech, or tech startups, Or PhD in a quantitative field (CS, Computational Biology, Statistics, etc.) with 2+ years of industry experience * Hands-on experience building AI applications, including prompt engineering, advanced analytics, and transforming large-scale unstructured data into production-ready solutions * Collaborate across Engineering and Data Science teams to lead decision-making on essential system architectures and core operational workflows. ## Description * Own the end-to-end development and deployment of agentic LLM applications that deliver measurable business impact. * Design, build, evaluate, and ship production-ready AI systems from prototype to production. * Partner with founders to define product direction and turn business problems into AI solutions. * Collaborate with Engineering to build scalable AI infrastructure, system architecture, and internal tools. * Improve system performance, reliability, and user experience through rapid experimentation and iteration. ## Related Videos - [Coffee with Developers - Maria Apazoglou](https://www.wearedevelopers.com/videos/1209-coffee-with-developers-maria-apazoglou) - [The Deichmann RPA journey: Step by step with low-code automation to success](https://www.wearedevelopers.com/videos/1566-the-deichmann-rpa-journey-step-by-step-with-low-code-automation-to-success) - [Same Words, Different Worlds: Who's in Control?](https://www.wearedevelopers.com/videos/2071-same-words-different-worlds-who-s-in-control) - [The QUEST for Better Software](https://www.wearedevelopers.com/videos/721-the-quest-for-better-software) - [Graphs and RAGs Everywhere... But What Are They? - Andreas Kollegger - Neo4j](https://www.wearedevelopers.com/videos/1311-graphs-and-rags-everywhere-but-what-are-they-andreas-kollegger-neo4j) - [Navigating the AI Revolution in Software Development](https://www.wearedevelopers.com/videos/1266-navigating-the-ai-revolution-in-software-development) ## Related Articles - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Graph and AI Trends 2026: Why Is AI Running but Not Yet Delivering?](https://www.wearedevelopers.com/magazine/680-graph-and-ai-trends-2026-why-is-ai-running-but-not-yet-delivering) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it)