cover image
Pioneer Square Labs

Pioneer Square Labs

psl.com

1 Job

35 Employees

About the Company

Pioneer Square Labs is a Seattle-based studio that creates and launches technology startups. We are funded by 14 VCs and 50 angel investors from Seattle, Silicon Valley, Colorado and other parts of the country. Companies created: - LumaTax (http://lumatax.com) allows small business owners to file their sales tax with ease. - Ad Lightning (http://adlightning.com) has a complete set of Ad Quality tools to save time, improve page performance and eliminate costly user experience problems for Publishers and Ad Platforms. - JetClosing (http://jetclosing.com) uses technology to create a better, more human, real estate title and settlement experience. - Boundless (http://boundless.com) is a new technology company providing immigrants with the tools, information, and personalized support to navigate their immigration journey with confidence.

Listed Jobs

Company background Company brand
Company Name
Pioneer Square Labs
Job Title
AI / Data Scientist - Casera
Job Description
**Job Title:** AI / Data Scientist **Role Summary:** Design, develop, and deploy machine learning and generative AI solutions that transform complex data into actionable business insights. Collaborate with engineering, product, and domain teams to build scalable models, pipelines, and experiments that deliver measurable impact. **Expectations:** - 7+ years of hands‑on experience building and productionizing ML/AI models. - Advanced proficiency in Python and associated data‑science libraries. - Ability to communicate technical results to both technical and non‑technical stakeholders. - Proven track record of delivering end‑to‑end AI solutions on cloud platforms. **Key Responsibilities:** - Develop, train, and evaluate ML/DL models (classification, regression, NLP, computer vision, generative). - Create scalable data pipelines for feature engineering, model training, and real‑time inference (AWS/GCP/Azure). - Partner with engineering to deploy models, set up monitoring, and ensure performance stability. - Apply statistical and causal inference methods to analyze business data. - Design and run experiments (A/B tests, quasi‑experiments) to measure impact. - Prototype and integrate LLMs, embeddings, and multimodal AI using frameworks such as PyTorch, TensorFlow, Hugging Face, LangChain. - Produce visualizations, dashboards, and presentations of findings. **Required Skills:** - Python (NumPy, pandas, scikit‑learn, PyTorch or TensorFlow). - LLM fine‑tuning, embeddings, retrieval‑augmented generation (RAG). - SQL and data‑processing frameworks (Spark, PySpark, AWS Glue). - Cloud services (AWS, GCP, Azure) and MLOps tools (MLflow, Airflow, SageMaker, Databricks, Kubeflow). - Probability, statistics, experiment design, and causal inference. - API development, microservices, Git version control. - Strong written and verbal communication. **Required Education & Certifications:** - M.S. or Ph.D. in Computer Science, Data Science, Statistics, Applied Mathematics, or a related field, **or** equivalent practical experience. - No specific certifications required, but demonstrated expertise through projects, publications, or open‑source contributions is valued.
Seattle, United states
Hybrid
Senior
21-10-2025