Lead Data Scientist (AI/ML)
About GatherUpCustomers don't window shop anymore. They search, compare, and decide online.GatherUp helps elevate honest businesses in local search, ensuring these businesses show up, stand out, and win by strengthening their online presence leveraging reviews and customer experience feedback. Our AI-powered platform transforms customer signals into trust, visibility, and growth.GatherUp is owned by Insight Integrity, a holding company focused on trust technology and digital integrity. Its portfolio includes The Transparency Company, an AI-powered review verification and protection platform, and GatherUp.MissionAs Lead Data Scientist at GatherUp, you’ll own the design and development of AI/ML models that help shape the integrity of online commerce for local businesses.This is a high-impact, hands-on role at the intersection of NLP, machine learning, and generative AI. You’ll partner closely with engineering, product, and business stakeholders to build systems that help accomplish our mission, vision and business objectives.What You’ll DoBuild AI/ML solutions end-to-end: design, data preparation, feature engineering, model selection, finetuning, training, deploying, validation/testing, and performance analysisEnsure models are scalable, monitored, and continuously improved in productionCreate reproducible training and evaluation pipelines (versioning, experiment tracking, robust validation, clear documentation).Use behavioral, textual, and statistical signals to identify, monitor and detect anomalies and emerging patterns in dataApply NLP techniques to analyze unstructured text and surface patterns at scaleConduct exploratory research and data analysis to identify trendsPartner with engineering, product, and business teams to translate requirements into productCommunicate model behavior, trade-offs, and impact clearly to both technical and non-technical audiencesWhat Success Looks LikeModels are deployed, monitored, and demonstrably improving over timeCapabilities scale with business growth and adapt to new threat vectorsYou’ve established data science best practices that raise the bar for the whole teamWho You Are3+ years of experience in data science, machine learning, or a related fieldDemonstrate fluency with modern deep learning concepts, including transformer fundamentals and LLM pre-training vs post-training conceptsProven track record of building and deploying ML models in production environmentsStrong experience with NLP and unstructured text dataProficiency in Python and SQLExperience training NLP models using ML frameworks and architectures such as PyTorch and RoBERTaExperience fine-tuning LLMs for production use casesExperience building and deploying RAG pipelinesAbility to communicate complex model behavior to non-technical stakeholdersStrong ownership mindset — you drive projects end-to-end and hold yourself accountable to outcomesBonus points if you have: a Master's degree in a quantitative discipline (e.g. Data Science, Computer Science, Statistics, Engineering, or related); experience in and passion for fraud detection, trust & safety, or review/content integrityWhy GatherUpYour work directly supports the economic prosperity of local businesses and the future of local commerceClear expectations, real ownership, and performance-based upsideA fast-moving team where strong execution is recognized and rewardedWhat We OfferCompetitive Compensation: $140K–$180K (base salary + bonus) + EquityFull Benefits: 100% covered medical, dental, and vision for employee401(k) Program: Invest in your futureFlexible vacation policyAnnual L&D stipend and continuous training and development opportunitiesCompany laptop providedLocationWe have an office in Walnut Creek, CAWe are a remote-friendly company for the right candidate