> Markdown version of [/jobs/ext/3971755-data-scientist](https://www.wearedevelopers.com/jobs/ext/3971755-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). --- # Data Scientist - **Company:** ARCH PARTNERS LLC - **Location:** San Francisco, CA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Airflow, Data Analysis, Python (Programming Language), Machine Learning, SQL Databases, Pytorch, Delivery Pipeline, Model Validation, Backend, Scikit Learn, Data Analytics, Xgboost, Machine Learning Operations, Data Pipelines - **Published:** October 27, 2026 - **Apply:** https://www.adzuna.com/details/5747003552 ## About the Role * 3-6 years experience in data science, ML engineering, or analytics roles in fast-paced environments * Proficiency in Python, SQL, and ML libraries (e.g., scikit-learn, XGBoost, or PyTorch) * Familiarity with data pipelines, model evaluation, and deployment workflows * Proven ability to work independently in ambiguous contexts with high judgment and ownership * Experience working with business stakeholders to translate messy data into actionable insights Strong bonuses: * Experience with large-scale structured data (e.g., property, utility, or energy-related datasets) * Knowledge of marketing analytics, targeting models, or customer segmentation * Familiarity with modern data tooling (e.g., dbt, Airflow, Dagster, DuckDB) * Comfort with basic full-stack workflows or collaborating in a product engineering environment What We Value * First-principles thinking * Extreme ownership * Speed and bias for action * Low ego, high standards * Deep care for users ## Description We're hiring a Data Scientist to help architect the intelligence layer of Arch. You'll work directly with our CTO and founding team to model customer behavior, optimize campaign performance, and build scalable, production-ready machine learning systems. You'll have ownership from data collection to deployment, working in a highly iterative environment with direct feedback from real-world users. Your work will power high-stakes decisions that directly impact customer outcomes, product development, and revenue. This is a high-ownership, high-ambiguity role for someone excited to ship fast, learn from deployment, and move the needle in a mission-critical industry. What You'll Do * Develop and deploy predictive models to identify high-conversion leads and drive campaign targeting * Own the full ML lifecycle: from data acquisition, cleaning, and labeling to modeling, validation, and deployment * Analyze product performance and customer usage to inform roadmap and product design * Collaborate with the engineering team to productionize ML pipelines and integrate them into our backend systems * Work closely with leadership to build internal analytics, dashboards, and investor-facing insights * Prototype, experiment, and iterate quickly-balancing rigor with speed