Senior or Staff Data Scientist at Windfall | San Francisco

Our Mission and VisionAt Unlearn, we are on a transformative journey to revolutionize clinical development, making every clinical trial smarter and more efficient. Leveraging the power of data, artificial intelligence, and digital twins, we enable rapid and robust studies that expedite the delivery of life-saving treatments to patients. Our commitment to this mission shapes every facet of our partnerships with biopharmaceutical companies, as we redefine how clinical trials are conceptualized, executed, and analyzed.We are at the forefront of clinical development, instilling unmatched scientific credibility and replacing uncertainty with AI-driven precision. This clarity empowers stronger decision-making and enhances trial efficacy. Our goal is not just to disrupt the pharmaceutical sector; we aim to create meaningful and lasting change.We firmly believe that AI will shape the future of medicine, and we are dedicated to building this future responsibly, rigorously, and in collaboration with our clinical development partners.About Our TeamOur diverse team hails from various backgrounds, including machine learning, marketing, and more. Regardless of our origins, all Unlearners embody common traits:Ambition: We embrace big, challenging goals without hesitation.Disciplined Experimentation: We decompose our large objectives into manageable tasks, meeting frequently to monitor progress and adapt swiftly.Resilience: Setbacks motivate us to strive harder, as we never back down.Openness to Innovation: We resist complacency and thrive on new ideas.Effective Communication: Sharing knowledge is crucial, and we aim to make our interactions engaging.Team Orientation: We prioritize our mission first, the company second, the team third, and individual goals last.Founded in 2017 and headquartered in San Francisco, Unlearn has garnered investment from leading venture firms like Altimeter, Insight Partners, Radical Ventures, 8VC, DCVC, and DCVC Bio, successfully closing our $50 million Series C funding round in January 2024.If our mission and culture resonate with you, we encourage you to apply.

Join Our MissionAt Unlearn, we are revolutionizing clinical development to create smarter trials. Our innovative use of data, artificial intelligence, and digital twins accelerates the process of delivering life-saving treatments to patients. This vision fuels our collaboration with biopharmaceutical companies as we transform the planning, execution, and analysis of clinical trials.We are setting the standard for the future of clinical development by leveraging unparalleled scientific credibility and AI-driven precision, making decision-making clearer and trials more robust. Our goal is not just to disrupt the pharmaceutical landscape but to foster meaningful change.We firmly believe that AI will shape the future of medicine, and we are dedicated to cultivating that future in a responsible and collaborative manner with our clinical development partners.About Our TeamOur team embodies a diverse range of expertise, from machine learning to marketing, yet all Unlearners share core attributes:Ambitious: We embrace challenging goals without hesitation.Disciplined Experimenters: We break down larger objectives into manageable tasks, meeting frequently to monitor progress and iterate swiftly.Gritty: We are resilient; setbacks only motivate us to strive harder.Receptive to New Ideas: We resist complacency and welcome innovative thinking.Storytellers: We prioritize sharing information effectively, ensuring it is engaging and informative.Team-Oriented: Our mission takes precedence over everything; we prioritize the company and team over individual pursuits.Founded in 2017 and headquartered in San Francisco, Unlearn has attracted top-tier investors such as Altimeter, Insight Partners, Radical Ventures, 8VC, DCVC, and DCVC Bio, successfully completing a $50 million Series C funding round in January 2024.If our mission and culture resonate with you, we encourage you to apply.

Our Mission and VisionAt Unlearn, we are dedicated to revolutionizing clinical development through innovative technologies. Our goal is to make every clinical trial smarter by utilizing advanced data analytics, artificial intelligence, and digital twins. This enables us to conduct faster and more reliable studies, ultimately bringing life-saving therapies to patients more efficiently.We are on a mission to redefine the future of clinical development with unparalleled scientific integrity, transforming uncertainty into AI-driven precision for clearer decision-making and stronger trials. Our objective is not merely to disrupt the pharmaceutical industry but to instigate meaningful, long-lasting change.We firmly believe that AI will shape the future of medicine, and we are committed to building that future responsibly and collaboratively with our clinical development partners.About Our TeamOur diverse team brings together expertise from various fields, including machine learning and marketing. Unlearners share essential characteristics:Ambitious: We embrace challenging goals with enthusiasm.Disciplined Experimenters: We break large objectives into manageable tasks, regularly tracking our progress and iterating swiftly.Resilient: Setbacks motivate us to strive harder.Open to New Ideas: We resist complacency and welcome innovation.Storytellers: We prioritize sharing knowledge in engaging ways.Team-Oriented: Our mission takes precedence over individual interests.Founded in 2017 and headquartered in San Francisco, Unlearn has attracted significant venture capital from esteemed investors, successfully completing a $50 million Series C funding round in January 2024. If our values resonate with you, we encourage you to apply.Core ResponsibilitiesQMS Documentation & Evidence MaintenanceOversee document control processes, including version management and review cycle tracking.

About AirwallexAirwallex stands as the premier unified payments and financial platform tailored for global enterprises. Our unique blend of proprietary infrastructure and advanced software empowers over 200,000 businesses across the globe, including notable names such as Brex, Rippling, Navan, Qantas, and SHEIN. We offer fully integrated solutions for managing everything from business accounts and payments to spend management, treasury services, and embedded finance on a global scale.Founded in Melbourne with a dynamic workforce of over 2,000 innovative professionals across 26 global offices, Airwallex is valued at $8 billion. We are backed by leading investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, positioning us at the forefront of creating the future of global payments and financial services. If you are ready to embark on the most ambitious journey of your career, we invite you to join us.Attributes We ValueWe seek builders with an entrepreneurial spirit who aspire for real impact, accelerated growth, and genuine ownership. You bring deep expertise and analytical thinking, driven by our mission and operating principles. You thrive in a fast-paced environment, demonstrating curiosity and making decisions based on foundational principles while balancing speed with thoroughness.With a humble and collaborative approach, you transform innovative ideas into tangible products and ensure projects are completed from start to finish. Leveraging AI, you work efficiently and solve problems quickly. Here, you will tackle complex, high-impact challenges alongside exceptional teammates and advance your career as we redefine the future of global banking. If this resonates with you, let's innovate together.Growth Data Science TeamThe Growth Data Science team is at the heart of Airwallex’s growth strategy, leveraging data and AI to create a sustainable competitive edge. We design and implement advanced solutions encompassing predictive modeling, personalization, LLM-powered systems, incentive optimization, and causal inference to drive significant growth throughout the customer journey.Discover more about our data science team in this blog.The RoleWe are on the lookout for a Senior Data Scientist to collaborate closely with our Growth and Marketing teams. Your role will involve designing, deploying, and refining impactful data science initiatives that drive our growth objectives.

Join Aircall, the leading integrated customer communications and intelligence platform that empowers growing businesses worldwide. With a trusted network of over 20,000 companies, Aircall seamlessly integrates voice and digital channels into one powerful platform, featuring one-click connections with top CRMs and over 100 essential business tools. Our AI-driven insights and automation capabilities enable sales and support teams to optimize their time, discover new opportunities, and deliver outstanding customer experiences. With a diverse global team of over 600 in cities such as Paris, New York, San Francisco, and more, Aircall is revolutionizing the way businesses engage with their customers, fostering deeper relationships and driving measurable success.Our Work Culture: At Aircall, we prioritize customer satisfaction, continuous learning, and extraordinary results. We encourage open collaboration, ownership, and swift, informed decision-making. If you thrive in a dynamic, team-oriented environment where curiosity, trust, and impact are key, you will fit right in.About Our TeamThe Data team at Aircall is integral to our decision-making process, driving innovation and growth through advanced data solutions, tools, and actionable insights.Role OverviewAs a Senior Data Scientist, you will play a crucial role in providing insights to our product and business teams, collaborating closely with product and engineering leaders. You will support key initiatives such as pricing strategies, packaging, multi-product approaches, and self-service solutions. Additionally, you will work cross-functionally with Engineering, Sales, Finance, Marketing, and Customer Relations to translate data requirements into impactful solutions. Your contributions will also include establishing best practices in analytics and mentoring team members to uphold high standards in data governance and insight generation.

About DecagonDecagon stands at the forefront of conversational AI, enabling brands to create unparalleled concierge customer experiences.Our innovative technology empowers leading enterprises such as Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to harness AI agents that facilitate personalized and highly engaging interactions across various channels, including voice, chat, email, and SMS.We envision a future where customer experience transcends traditional support methods, offering quicker solutions, enriched dialogues, and more profound connections. Backed by elite investors like a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, we are committed to this vision.At Decagon, we thrive in an office environment that champions collaboration, excellence, and rapid progress. Our core values—Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle—guide our team dynamics and growth.About the RoleIn your role as a Senior Data Scientist at Decagon, you will apply rigorous technical expertise to analyze, test, and leverage data across our business operations. You will design experiments, utilize advanced statistical techniques, and construct scalable analytical frameworks to directly influence product strategy and enhance corporate performance.You will collaborate with Engineering and Product teams to implement robust measurement practices, promote data-driven decision-making, and derive insights that will guide Decagon’s future direction. This position requires a blend of analytical excellence and product insight, with the capacity to impact decisions at the highest organizational levels.In this role, you willDevelop and manage foundational datasets and metrics that reflect usage, performance, and efficiency across Decagon's AI platform.Enhance and expand Decagon’s data models, metrics, and dashboards to ensure coherent and scalable reporting across various teams.Collaborate closely with Engineering to inform strategy using data—identifying potential bottlenecks and scaling challenges before they escalate.Partner with Product and Engineering teams to integrate experimentation and measurement best practices into product development processes.Continuously refine Decagon’s data stack, ensuring efficient models, pipelines, and tools that enable self-service analytics across the organization.

About AbridgeAbridge, established in 2018, is dedicated to enhancing understanding within the healthcare sector. Our innovative AI-driven platform is specifically designed for medical dialogues, streamlining clinical documentation processes while allowing clinicians to prioritize what truly matters—their patients.Our enterprise-level technology converts patient-clinician interactions into structured clinical notes in real-time, seamlessly integrated with electronic medical records (EMRs). With our Linked Evidence and uniquely auditable AI, we are the sole provider that aligns AI-generated summaries with ground truth, enabling healthcare providers to quickly trust and verify the information produced. As trailblazers in generative AI for healthcare, we are setting the benchmark for the ethical use of AI across health systems.We comprise a diverse and expanding team of practicing MDs, AI experts, PhDs, creatives, technologists, and engineers all committed to empowering individuals and simplifying care. Our offices are located in San Francisco's Mission District, New York's SoHo neighborhood, and East Liberty in Pittsburgh.The RoleOur generative AI-driven products are transforming the medical field, and we are seeking a highly driven Senior Data Scientist to become a vital part of our expanding US-based Data Science & BI team. Your contributions will significantly shape product strategy and directly affect how healthcare practitioners interact with patient data.What You'll DoData Analysis and Insight GenerationExtract valuable insights and recognize trends and patterns pertinent to our business and product by gathering, cleaning, and analyzing both internal and external data.Maintain comprehensive visibility and comprehension of our AI generation pipelines, from internal quality metrics to automated evaluations in production.Investigate and rectify issues identified through data operations monitors, tools, and reports.Advanced Data ModelingUser Behavior Modeling: Analyze user interactions, engagement metrics, and funnel analyses to identify patterns and insights for product enhancement and feature development. Data-driven approaches are crucial for boosting user engagement and retention.A/B Testing: Design and interpret A/B tests to assess the efficacy of product features and design modifications.AI Model Evaluation: Evaluate and enhance AI models to ensure superior performance and accuracy.

About SemgrepSemgrep stands at the forefront of code security, empowering developers to innovate seamlessly. Our platform enables teams to identify, flag, and resolve genuine security issues before deployment, supported by an adaptive security system that evolves with their development process. Semgrep not only safeguards code in real-time but also offers essential guardrails that facilitate rapid development without compromising security. Trusted by top organizations like Snowflake, Dropbox, and Figma, we are recognized by Gartner for excellence in Application Security Testing. To learn more about our mission, visit semgrep.dev.Founded in San Francisco and backed by prominent investors including Menlo Ventures and Sequoia Capital, Semgrep is dedicated to continuous improvement, ensuring that our AI-driven system minimizes false positives and prioritizes actionable vulnerabilities. Experience the future of secure coding with us.

Join SoFi, a leading personal finance company, as a Data Scientist where you will leverage data to drive strategic decisions and enhance user experiences. In this role, you will analyze complex datasets, build predictive models, and collaborate with cross-functional teams to propel our innovative solutions forward.

About SentryAt Sentry, we believe that bad software shouldn't be the norm. Our mission is to empower developers to create better software at a faster pace, allowing us all to enjoy technology more fully.With over $217 million in funding and a community of 100,000+ organizations supporting our vision, we are dedicated to developing performance and error monitoring tools that enable companies like Disney, Microsoft, and Atlassian to minimize bug fixing and maximize product development.Embracing a hybrid work model across our global offices, we invite you to join us in the office on Mondays, Tuesdays, and Thursdays to foster meaningful collaboration. If you are passionate about building solutions that enhance the digital experience, come help us innovate the future of software monitoring tools.About the RoleThe Data Science team is an integral part of Sentry's Data & Analytics within the Business Operations organization. We are focused on leveraging data to drive smarter decisions by creating models and analytical systems that translate data into actionable insights. Our commitment is to deliver high-impact, production-ready data science projects that bolster teams across Product, GTM, and Finance.In the role of Senior Data Scientist, you will be pivotal in defining the data science framework at Sentry. You will tackle complex, ambiguous challenges, develop models that yield significant business results, and help set the standards and practices that facilitate the scalability of data science efforts. Collaborating closely with cross-functional teams will ensure that our data science initiatives are trusted, widely adopted, and impactful across the organization.If you thrive on solving challenging problems, enjoy working independently, and seek to harness data science to influence real-world decisions, we are eager to connect with you.Your ResponsibilitiesDefine a repeatable data science operating model including roadmapping, stakeholder engagement, and delivery standards.Develop and deploy predictive models that inform product and business decisions, such as customer adoption, intelligence, lead scoring, and impact measurement.Collaborate with GTM, Product, and Finance teams to integrate models into actionable workflows rather than limiting them to dashboards.Provide technical leadership, elevating the standards for data science practices at Sentry.Work alongside Data Engineering to guarantee reliable deployment of production models.Enhance the foundational elements that boost experimentation and learning over time.What You'll Appreciate About This RoleThe opportunity to shape the future of data science at Sentry.A collaborative environment that values innovation and creativity.The chance to work on meaningful projects that have a real impact on the business.

The RoleBecome a key player in the evolution of healthcare with Hinge Health, a pioneer in crafting a patient-focused digital clinic that enhances clinical outcomes while yielding substantial financial benefits. As a seasoned Data Scientist in the ROI Identification & Measurement Pod, you will be instrumental in shaping our value proposition. Your role will extend beyond mere data analysis; you will design automated systems and predictive models that highlight our economic impact for major employers and health plans globally. If you are enthusiastic about leveraging causal inference and extensive datasets to influence company-wide strategies, this is your chance to create the

Join Mercor as a Data ScientistAt Mercor, we stand at the forefront of labor markets and artificial intelligence research. We collaborate with top-tier AI laboratories and businesses to infuse the human intelligence crucial for the evolution of AI.Our expansive talent network empowers frontier AI models, mirroring the way educators impart knowledge: sharing insights and experiences that transcend mere coding. Currently, our network boasts over 30,000 experts generating more than $2 million daily.We are pioneering a new work paradigm where specialized expertise drives AI progress. To realize this vision, we seek a dynamic, fast-paced, and dedicated team. You will collaborate with leading researchers, operators, and AI companies, playing a pivotal role in the systems that are reshaping society.As a profitable Series C company, Mercor is valued at $10 billion and operates from our new headquarters in San Francisco with an in-office work schedule five days a week.Your RoleIn your first year, you will implement analyses and experiments that enhance key product metrics, including match quality, time-to-hire, candidate experience, and revenue. Your responsibilities will include:Establishing north-star and feature-specific metrics for our ranking systems, interview analytics, and payout frameworks.Designing and executing A/B tests and quasi-experiments, translating results into product decisions within the same week.Creating source-of-truth dashboards and streamlined data models to enable teams to self-serve answers.Collaborating with engineers to instrument events, enhancing data quality and latency from ingestion to insights.Rapidly prototyping models (from baseline models to gradient boosting) to optimize matching and scoring.Assisting in the evaluation of LLM-powered agents through the design of rubrics, human-in-the-loop studies, and guardrail mechanisms.What Makes You a Great FitYou possess strong foundational skills in statistics, SQL, and Python, alongside projects you are eager to showcase. You adapt swiftly, frame inquiries, test hypotheses, and deliver results within a day, valuing clarity in communication as much as statistical significance. A keen interest in LLM evaluation, retrieval, and ranking is a plus; you will learn alongside professionals from renowned firms such as Jane Street, Citadel, Databricks, and Stripe.

Superhuman offers an engaging hybrid working model for this role. This flexible approach provides team members with a balance of focused time and in-person collaboration, fostering trust, innovation, and a vibrant team culture. Team members for this position must reside in the San Francisco Bay Area. About SuperhumanSuperhuman, now part of Grammarly, is an AI productivity platform dedicated to unlocking extraordinary potential in everyone. Our suite of apps and agents seamlessly integrates AI into over 1 million applications and websites, including Grammarly’s writing assistance, Coda’s collaborative workspaces, Mail’s inbox management, and Go, the proactive AI assistant that comprehends context and provides automatic assistance. Founded in 2009, Superhuman empowers more than 40 million individuals, 50,000 organizations, and 3,000 educational institutions worldwide to eliminate busywork and concentrate on what truly matters. Discover more at superhuman.com and explore our values here.The OpportunityTo achieve our ambitious goals, we are seeking skilled Data Scientists to join our Product and Growth Data Science teams. At Superhuman, data teams are regarded as trusted experts who reveal new insights to shape marketing, product, and growth strategies that drive significant outcomes across the organization. We have access to large datasets and are looking for individuals with exceptional technical and analytical abilities who can dissect complex business challenges and offer solutions that deliver high visibility and impactful results for the company.Growth Data Scientists collaborate closely with product, engineering, growth, and/or lifecycle marketing teams. They are tasked with designing and executing product experiments, as well as performing intricate analyses to guide product strategy through advanced analytics and machine learning. The ideal candidate will possess a proven record of delivering significant analytical projects within the Growth domain and working alongside cross-functional colleagues to influence decision-making.Product Data Scientists are responsible for assessing the quality of the Superhuman products, ensuring that our offerings are not only innovative but also user-friendly and effective.

Role Overview Hinge Health is hiring a Senior Data Scientist in San Francisco. This role focuses on developing and applying machine learning and data analysis techniques to improve digital healthcare solutions, particularly in musculoskeletal care. What You Will Do Apply advanced machine learning methods and data analysis to healthcare challenges Collaborate with a skilled team to strengthen data capabilities Support projects that align with Hinge Health’s mission to transform musculoskeletal care Location This position is based at Hinge Health’s San Francisco headquarters.

Join Mixpanel as a Data Scientist and contribute to our mission of helping businesses make data-driven decisions. In this role, you will analyze complex datasets, develop predictive models, and provide actionable insights to enhance our product offerings.

Join Mindlance as a Data Scientist, where you will leverage data to drive insights and support decision-making processes. You will be responsible for analyzing complex datasets, developing predictive models, and collaborating with cross-functional teams to enhance business strategies.

Join Metriport as a Data Scientist and be at the forefront of data-driven decision making! In this role, you will leverage advanced analytics and machine learning techniques to derive insights from complex datasets, enhancing our product offerings and driving strategic initiatives.

Join Grindr as a Staff Data Scientist in a hybrid role based out of our San Francisco, Los Angeles, or Chicago offices, requiring in-office presence on Tuesdays and Thursdays.Why This Role is Unique?Grindr (NYSE: GRND) is the world’s largest LGBTQ+ social application, boasting over 14 million monthly users globally. We are not just a platform but a vital part of the LGBTQ+ community and a cornerstone of gay culture.As a Staff Data Scientist, you will collaborate closely with product managers, designers, and engineers to create insightful metrics that drive product development. You will design and implement innovative experiments, present data-driven insights for decision-making, and explore new growth strategies through comprehensive analysis. This role allows you to work on deployed models that enhance the user experience for millions, while becoming an informal ambassador for the Data Science team, educating others on effective data utilization.You will be part of a dynamic data organization at Grindr that integrates data scientists, data engineers, and ML/AI engineers into a united and collaborative team. This is a unique opportunity to learn, share knowledge, and make a significant impact alongside industry leaders.Your ResponsibilitiesExtract actionable insights from complex, open-ended queries.Design and assess experiments to evaluate the impact of product changes.Analyze product data to identify root causes behind metric fluctuations.Effectively communicate findings to cross-functional stakeholders to inform product strategies.Develop tools to scale and automate analyses, enhancing company productivity.Mentor and guide team members, recommending best practices.Apply an engineering mindset to reduce complexity while maximizing utility and maintainability.Contribute to the development of future ML solutions to enhance recommendations, detect spam, and better serve our users.

Sciforium is an innovative AI infrastructure company specializing in the development of state-of-the-art multimodal AI models, alongside a proprietary high-efficiency serving platform. With substantial financial backing and direct collaboration with AMD, including hands-on support from AMD engineers, our rapidly growing team is dedicated to building the comprehensive stack that powers cutting-edge AI models and real-time applications.Role OverviewWe are on the lookout for a highly skilled and visionary Data Scientist to spearhead the strategy and creation of vast datasets essential for our foundational models. In the realm of Large Language Models (LLMs), we recognize that data is the key competitive advantage. This role will encompass the entire data lifecycle—from extensive web-scale crawling to the meticulous creation of human-aligned datasets that dictate model behavior.The ideal candidate will embrace data as both a large-scale engineering challenge and a complex analytical puzzle. Your responsibilities will extend beyond simply delivering data; you will design taxonomies, filtering heuristics, and post-training pipelines to ensure our models excel in reasoning, safety, and multimodal comprehension.Key ResponsibilitiesFoundation Dataset Strategy: Oversee the comprehensive creation of pre-training datasets for LLMs, defining the optimal mix of web data, code, literature, and technical documents to enhance downstream model performance.Petabyte-Scale Curation: Innovate and implement advanced pipelines for data cleaning, deduplication (exact and fuzzy), and high-quality signal extraction from vast amounts of unstructured data.Post-Training & Alignment Data: Direct the creation of high-quality post-training datasets, including Supervised Fine-Tuning (SFT) instructions, multi-turn dialogues, and preference modeling data (RLHF/DPO).Multimodal Expansion: Lead the acquisition and processing of vision and video data, addressing the challenges of multimodal alignment, video compression, and temporal data consistency.High-Performance Engineering: Create high-throughput data processing scripts utilizing Python, employing multiprocessing and multithreading to manage large-scale ingestion and transformation without performance bottlenecks.Data Profiling & Analysis: Perform in-depth statistical analysis on training datasets to uncover biases, knowledge gaps, and quality regressions, ensuring a mathematically balanced model diet.Synthetic Data Generation: (Added Value) Develop pipelines to generate high-quality synthetic datasets that enhance model training and capabilities.