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Hi, I'm Jason Martin, a seasoned Senior Data Scientist with over 8 years of hands-on experience building and deploying machine learning and NLP systems at scale. I have a passion for leveraging AI technologies like transformer models and causal inference to solve complex challenges in product development and customer experience. I enjoy collaborating across teams and mentoring junior data scientists to drive impactful solutions. I thrive in dynamic environments where I can apply my expertise in recommendation systems, sentiment analysis, and large language models to create innovative AI products. I'm always excited to push the boundaries of AI and help businesses enhance their operations and user satisfaction.…Hi, I'm Jason Martin, a seasoned Senior Data Scientist with over 8 years of hands-on experience building and deploying machine learning and NLP systems at scale. I have a passion for leveraging AI technologies like transformer models and causal inference to solve complex challenges in product development and customer experience. I enjoy collaborating across teams and mentoring junior data scientists to drive impactful solutions. I thrive in dynamic environments where I can apply my expertise in recommendation systems, sentiment analysis, and large language models to create innovative AI products. I'm always excited to push the boundaries of AI and help businesses enhance their operations and user satisfaction.

Jason Martin

Data Scientist, AI Engineer, AI Prompt Engineer, +3

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Hi, I'm Jason Martin, a seasoned Senior Data Scientist with over 8 years of hands-on experience building and deploying machine learning and NLP systems at scale. I have a passion for leveraging AI technologies like transformer models and causal inference to solve complex challenges in product development and customer experience. I enjoy collaborating across teams and mentoring junior data scientists to drive impactful solutions. I thrive in dynamic environments where I can apply my expertise in recommendation systems, sentiment analysis, and large language models to create innovative AI products. I'm always excited to push the boundaries of AI and help businesses enhance their operations and user satisfaction.…Hi, I'm Jason Martin, a seasoned Senior Data Scientist with over 8 years of hands-on experience building and deploying machine learning and NLP systems at scale. I have a passion for leveraging AI technologies like transformer models and causal inference to solve complex challenges in product development and customer experience. I enjoy collaborating across teams and mentoring junior data scientists to drive impactful solutions. I thrive in dynamic environments where I can apply my expertise in recommendation systems, sentiment analysis, and large language models to create innovative AI products. I'm always excited to push the boundaries of AI and help businesses enhance their operations and user satisfaction.

Available to hire

Hi, I’m Jason Martin, a seasoned Senior Data Scientist with over 8 years of hands-on experience building and deploying machine learning and NLP systems at scale. I have a passion for leveraging AI technologies like transformer models and causal inference to solve complex challenges in product development and customer experience. I enjoy collaborating across teams and mentoring junior data scientists to drive impactful solutions.

I thrive in dynamic environments where I can apply my expertise in recommendation systems, sentiment analysis, and large language models to create innovative AI products. I’m always excited to push the boundaries of AI and help businesses enhance their operations and user satisfaction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Data Scientist at JustAnswer

March 1, 2022 - Present

Spearheaded the integration of Pearl GPT with human-in-the-loop validation workflows, leveraging GPT transformer models to enhance AI response quality, improving trust metrics by 42%. Designed and prototyped the Expert Conversation Wizard, applying prompt engineering and transformer-based NLP techniques to boost expert response clarity and increase user satisfaction by 25%. Built and managed a customer sentiment analysis pipeline using BERT and RoBERTa classifiers integrated with real-time processing systems, improving customer support outcomes by 18%. Explored and implemented Retrieval-Augmented Generation pipelines using FAISS and transformer models to enhance factual accuracy and contextual relevance in AI-generated responses. Collaborated with product, engineering, and UX teams for agile delivery and product enhancements. Provided mentorship through knowledge-sharing and code reviews, improving deployment standards and team productivity.

Data Scientist II at SurveyMonkey

March 1, 2022 - July 18, 2025

Developed a sentiment analysis engine using RNNs and transformers (BERT, XLNet), raising classification accuracy to 74%. Designed a retraining pipeline using user feedback to reduce false negatives for negative sentiment detection. Built a churn prediction model with XGBoost and Random Forest classifiers, reducing churn rates by 17%. Developed a scalable WordCloud generation engine supporting 13 additional languages, improving performance and replacing third-party solutions. Constructed modular NLP pipelines for scalable automated survey insights. Partnered with Analyze and Engineering teams to deliver customized analytics components for embedded, client-facing survey insights.

Data Scientist at Airbnb

March 1, 2020 - July 18, 2025

Contributed to a personalized listing recommendation system using collaborative filtering and deep learning embeddings, increasing booking conversions by 12%. Built parts of a dynamic pricing engine using time-series models, XGBoost, and Bayesian methods, increasing average revenue per listing by 11%. Conducted A/B experiments and applied causal inference to assess algorithm changes ensuring statistically reliable outcomes. Collaborated with Search, Pricing, and Personalization teams to support ML-driven product features. Helped build scalable data pipelines with Airflow and Spark for model training and real-time serving to support deployment.

Senior Data Scientist at JustAnswer

March 1, 2022 - Present

Spearheaded the integration of Pearl GPT with human-in-the-loop validation workflows, leveraging GPT transformer models to enhance AI response quality, resulting in a 42% improvement in trust metrics. Designed and prototyped the Expert Conversation Wizard using prompt engineering and transformer-based NLP techniques that boosted expert response clarity and increased user satisfaction by 25%. Built and managed a customer sentiment analysis pipeline with BERT and RoBERTa classifiers integrated into real-time processing systems, improving customer support outcomes by 18%. Explored and implemented Retrieval-Augmented Generation (RAG) pipelines using FAISS and transformer models to enhance factual accuracy and contextual relevance of AI-generated responses. Collaborated closely with product, engineering, and UX teams to align data science solutions with product initiatives, supporting agile delivery and iterative improvements. Provided mentorship and technical guidance to junior team member

Data Scientist II at SurveyMonkey

March 1, 2022 - August 1, 2025

Key contributor in developing a sentiment analysis engine using RNNs and transformers (BERT, XLNet), achieving 74% sentiment classification accuracy and enabling more effective tracking of customer experience trends. Designed a retraining pipeline using user feedback to improve model robustness, reducing false negatives in negative sentiment detection. Built a churn prediction model employing XGBoost and Random Forest classifiers to identify high-risk customers and supported Customer Success teams that reduced churn rates by 17%. Developed a scalable WordCloud generation engine with advanced n-gram modeling and lemmatization, replacing third-party solutions and enhancing multi-language support for 13 additional languages. Constructed modular NLP pipelines for text preprocessing and visualization, enabling automated enterprise survey insights. Partnered with Analyze and Engineering teams to deliver customized embedded analytics components supporting client-facing survey insights.

Data Scientist at Airbnb

March 1, 2020 - August 1, 2025

Contributed to a personalized listing recommendation system using collaborative filtering, matrix factorization, and deep learning embeddings, resulting in a 12% increase in booking conversions. Built components of a dynamic pricing engine using time-series models, XGBoost, and Bayesian methods to optimize nightly rates, increasing average revenue per listing by 11%. Conducted A/B tests and applied causal inference to evaluate algorithm changes for statistically reliable personalization and pricing decisions. Collaborated across Search, Pricing, and Personalization teams to implement and evaluate ML-driven product features. Helped build scalable data pipelines using Airflow and Spark for model training and real-time serving, supporting reliable model deployments.