Senior AI LLM Data Scientist/Engineer

We're currently looking for a Senior AI LLM Data Scientist / Engineer to join our team for a full-time position (remotely in Ukraine or in Lviv's office). About the Customer and the Project: Our customer is the world's largest DNA network, based in the USA. This presents a unique opportunity to work with more than 60 billion digitized global historical records, 100 million family trees, and 18+ million people in their growing database. Our customers help people discover their family stories and gain actionable insights about their health and wellness. About the team: You will join the AI Content team, a dynamic group at the forefront of Document Understanding. You'll play a vital role in developing innovative AI models that extract and organize text and image information from billions of historical and genealogical records, enabling customers to discover, share, and connect with their family history. As a member of the AI Content team, you will work with AI technologies and LLMs to deploy, test, and evaluate model capabilities, quality, throughput, and cost for document understanding tasks such as layout analysis, transcription, entity recognition, relation extraction, summarization, etc. You will work with a dedicated mentor on the AI Content data science team, along with engineering teams, to train, optimize, and deploy models that promote product development, customer success, and content creation across our project. What you will do: Integrate LLMs: Integrate both open source and provider-based LLMs into our internal AI Gateway.LLM Optimization: Optimizing open source LLMs for faster inference using frameworks like VLLM, SGLangTools/Scripts/Dashboards: build a tool/script/dashboard to track and compare speed or time required, as well as token count and cost estimates for processing images with the various LLMs.Optional Opportunities: Optional opportunities exist to explore LLM word token bounding box detection, LLM as a Judge, and other LLM evaluation work.Collaborate on Cloud Deployment: Partner closely with ML Ops and Data Science Engineers to seamlessly deploy datasets, truth sets, models, and pipelines for training and inference in cloud environments.Communicate Insights Effectively: Clearly and confidently present your findings, deliverables, and proposed solutions to technical and non-technical audiences, including teams, stakeholders, and executives. Requirements: 5+ years of experience in Data Science with AI/MLProven experience in Python programming as well as tools and environments for model deployment.Knowledge and experience with multiple AI LLMs, including both proprietary and open-source models, and their respective strengths and limitations.Knowledge and experience with such frameworks as VLLM, SGLangAbility to stay up-to-date with new models, benchmarks, and best practices.Practical experience with cloud platform AWS (e.g. Amazon SageMaker, EC2, S3, AWS Lambda).English: Upper-intermediate at least (both spoken and written) It will be a plus: Familiarity with cloud platforms and related AI/ML services such as Google GCP Gemini API, Vertex AI, Azure, etc.Commercial experience with Terraform or CloudFormationExperience with agentic architectureFamiliarity with AI coding tools What You'll Gain Mentorship & Growth: Learn from experienced Data Scientists while tackling meaningful, real-world AI projects, expanding your knowledge and professional network within a collaborative culture.Collaboration & Impact: Work alongside top industry professionals and help shape the tools that bring family history to life for millions of users.Innovation & Purpose: Join a team at the forefront of applying AI to historical data where every model you build helps preserve human stories. What do we offer our new colleague? Competitive compensation (based on market data, but also depending on the technical level of the candidate)Flexible work schedule3 health packages to choose fromAnnual paid vacation and state holiday celebrationFree English classes (online)Individual approach to professional growthLack of bureaucracy and micromanagementModern, comfortable office facilities (a barbecue zone, kitchens, lounge rooms, coffee machines, etc.)Foreign business trips (after the war)On-site parking lot and charge station for Electric CarsCorporate gifts, celebrations, and fun activitiesSports activities: ping-pong, soccer, work-out Suppose you have a passion for solving challenging problems, building scalable, robust systems, love working with the latest technologies in a fast-paced, flexible environment, and are excited about the prospect of having a significant impact on products with more than 3 million paying subscribers. In that case, we want to talk to you ;-)