Senior Scientist in United States

About Datadog: We're on a mission to build the best platform in the world for engineers to understand and scale their systems, applications, and teams. We operate at high scale—trillions of data points per day—providing always-on alerting, metrics visualization, logs, and application tracing for tens of thousands of companies. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way. You will: Solve a scaling bottleneck in a critical service Deploy a new feature to production, progressively rolling it out with feature flags Investigate and fix a production issue from a service your team owns Design a way to scale up a service for more traffic With your team, plan the most important projects to work on next Who You Are: You have significant experience in one or more languages You value code simplicity and performance You can design architecture to solve problems at high scale You have a BS/MS/PhD in a scientific field or equivalent experience You want to work in a fast, high-growth startup environment that respects its engineers and customers You have demonstrated ability to use AI coding tools in day-to-day workflows and build, validate, and refine AI-generated output in products You can design AI Backend systems, with awareness of quality, cost, and latency tradeoffs 6+ years of experience Bonus points: You've worked at high scale with systems like Redis, Cassandra, Kafka You wrote your own data pipelines once or twice before You have a strong background in statistics You have significant experience with Go, C, or Python You’re excited about leveraging AI tools to enhance how you code, solve problems, and build – or eager to learn how You’re motivated to push the boundaries of how AI can improve software engineering best practices and contribute to building AI-enabled products Datadog values people from all walks of life. We understand not everyone will meet all the above qualificat

Distributed Systems engineers at Datadog design, implement and run in production the foundational platforms powering our applications. Your data pipelines will ingest, store, analyze and query in real-time billions of events per second from companies all over the globe. The platforms are optimized for durability, high availability, low latency, internet-scale footprint and operability. At Datadog, we place value in our office culture - the relationships that it builds, the creativity it brings to the table, and the collaboration of being together. We operate as a hybrid workplace to ensure our employees can create a work-life harmony that best fits them. What You’ll Do: Build fault-tolerant, horizontally scalable solutions running in multi-tenant environments Write in Go, Java Rust or C++, amongst other languages Use Kafka, Redis, Cassandra, Elasticsearch and other open-source components Own meaningful parts of our service, have an impact, grow with the company Who You Are: 6+ years of experience You have a BS/MS/PhD in a scientific field or equivalent experience You have significant backend programming experience in one or more languages (Go, Java, Rust, C++) You have been exposed to working on problems (high durability / low latency /…) You can get down to the low-level when needed You care about simple designs and performance You want to work in a fast, high-growth startup environment that respects its engineers and customers You have demonstrated ability to use AI coding tools in day-to-day workflows and validate, critique, and refine AI-generated output. Bonus: you’re motivated to push the boundaries of how AI can improve software engineering best practices and contribute to building AI-enabled products. This job is available in various departments within our company; to conform to US export control regulations, some of these roles may require candidates to be eligible for any required authorizations from the US government. Datadog values peo

Our Database Experience (DBX) Team A great MongoDB experience starts with great tools. The Database Experience team builds the libraries and tools that developers use day-to-day working with MongoDB. Our mission is to increase developer adoption, satisfaction and retention by providing a reliable, enjoyable interface for developers and other end-users. Our senior engineers are typically specialists in a particular programming language, but are capable of contributing to projects in other languages as well. For this role, we're looking for someone who will enjoy designing, writing, and supporting open source libraries for the Python ecosystem developers that use MongoDB. This is an opportunity to make a major impact at MongoDB as Python is one of the most popular runtimes for MongoDB users, and our driver has over 3 million daily pypi downloads. You might be right for this role if you... Have substantial experience writing high-quality software in Python Have extensive knowledge in Python tools and frameworks, scientific python and web development frameworks Have practical experience with AI/ML frameworks and technologies in Python, including large language models and agentic tools are a plus Have an interest in learning and staying up-to-date with Python ecosystem trends and best practices and incorporating them into your work Can make pragmatic design decisions, balancing tradeoffs such as usability, maintainability and delivery time Want to, or already do, participate in open source software development and communities, both online via e.g. GitHub and optionally through conferences and speaking engagements Communicate well, internally and externally, both verbally and in writing Enjoy collaborating with teammates, and mentoring junior engineers and interns Are self-motivated, organized, and have strong time management skills You'll be on the team responsible for... Developing and supporting the MongoDB Python drivers and subsidiary libraries ( PyMongo , Django Mon

We are hiring senior engineers to work on the CUDA driver, a core component of our platform for accelerating general purpose computation on the GPU. Our team delivers features and improvements to better realize the potential of NVIDIA hardware for a growing range of computational workloads, ranging from deep learning, scientific computation, and self-driving cars to video games and virtual reality! CUDA defines a unified programming model across a range of system configurations and hardware capabilities. To accomplish this, the CUDA driver interacts with GPU hardware, kernel mode drivers, switches and the operating system. What you'll be doing: As a member of our team, you will use your design abilities, coding expertise, and creativity to deliver the best Compute platform in the world. You will craft elegant solutions to exciting problems and craft the future direction of CUDA as you collaborate with your peers across NVIDIA. You will evangelize, architect, and implement new CUDA features You'll oversee and drive development efforts across multiple teams Collaborate with members of hardware architecture teams Help define forward-looking improvements to the CUDA APIs and programming model Design and maintain performance and precision modeling Write effective, maintainable, and well-tested code Develop code for multiple operating systems What we need to see: Bachelor of Science or Master of Science degree in Computer Science, Electrical Engineering, or related field (or equivalent experience) 15&#43; years of relevant systems software development experience Strong C programming skills </

ROLE SUMMARY As an AI-enabled strategic scientific leader, you will partner with Oncology Research Leadership to integrate AI-driven strategies that will drive data-informed decision-making across our Oncology Research pipeline. As the AI Portfolio Lead, you will bridge cutting-edge AI/advanced analytics with deep Oncology R&D expertise to guide our portfolio strategy. Working as an individual contributor reporting into the Head, Portfolio Strategy and Program Management, you will analyze and continuously assess Oncology Research projects using AI-driven insights (predictive models, scenario simulations, competitive intelligence) and propose actionable strategies to Oncology Research Leadership. This role is science-focused and spans across discovery and preclinical stage programs, ensuring that our project teams pursue the most promising scientific approaches and mechanisms of action. Your work will directly inform pipeline prioritization and resource allocation decisions, enhancing the quality and objectivity of governance deliberations with robust data. ROLE RESPONSIBILITIES Portfolio Analysis and Insights: Continuously analyze the oncology Research portfolio (ESD through Preclinical) using advanced AI/ML tools and analytics to evaluate each program’s scientific strength, probability of success, and strategic portfolio fit per disease area strategies. Strategy Recommendation: Develop and propose data-driven portfolio strategies (at both project and portfolio levels) to senior leaders and Research governance committee. Use scenario analysis and predictive modeling to highlight optimal project prioritization, pipeline balance, and resource allocation scenarios. AI-Enabled Decision Support: Integrate AI-derived insights (e.g. machine learning predictions, knowl

Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Rare Disease Sales Organization Mission & Impact Pfizer’s Rare Disease – Rare Cardiac Sales organization exists to help improve the lives of people living with serious rare cardiac conditions by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need— advancing disease and product education grounded in robust clinical evidence , promoting Pfizer Rare Cardiac therapies compliantly, and supporting healthcare professionals’ understanding of appropriate patient identification and use based on approved indications. Through evidence‑based scientific exchange, we help reduce access, diagnostic, and workflow barriers so more patients can start and stay on the right therapy. Our impact is more informed clinical decision ‑ making, improved consistency of care, and better outcomes for patients , contributing to a higher standard of care across the rare cardiac community. Role Summary The Rare Disease – Rare Cardiac, Senior Health & Science Specialist is a field-based specialty sales role responsible for driving the growth of Rare Cardiac products through compliant, strategic relationships within assigned accounts. This role partners with Therapeutic Area Specialists and Key

We’re here for one reason and one reason only – to cure cancer. Every moment is dedicated to developing treatments and every action moves us one step closer to our goal. We’ve made incredible scientific breakthroughs and our pioneering personalized CAR T-cell therapies have changed the paradigm. But we're not finished yet. Join Kite, as we make even bigger advances in cancer therapies, and help shape where our business and medical science goes next. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Kite and help create more tomorrows. Job Description We’re here for one reason and one reason only – to cure cancer. Every moment is dedicated to developing treatments and every action moves us one step closer to our goal. We’ve made incredible scientific breakthroughs and our pioneering personalized CAR T-cell therapies have changed the paradigm. But we're not finished yet. Join Kite, as we make even bigger advances in cancer therapies, and help shape where our business and medical science goes next. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Kite and help create more tomorrows. The Director, Clinical Value Liaison — North East is a senior field

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Rare Disease Sales Organization Mission & Impact Pfizer’s Rare Disease – Rare Cardiac Sales organization exists to help improve the lives of people living with serious rare cardiac conditions by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need— advancing disease and product education grounded in robust clinical evidence , promoting Pfizer Rare Cardiac therapies compliantly, and supporting healthcare professionals’ understanding of appropriate patient identification and use based on approved indications. Through evidence‑based scientific exchange, we help reduce access, diagnostic, and workflow barriers so more patients can start and stay on the right therapy. Our impact is more informed clinical decision ‑ making, improved consistency of care, and better outcomes for patients , contributing to a higher standard of care across the rare cardiac community. Role Summary The Rare Disease – Rare Cardiac, Senior Health & Science Specialist is a field-based specialty sales role responsible for driving the growth of Rare Cardiac products through compliant, strategic relationships within assigned accounts. This role par

We’re here for one reason and one reason only – to cure cancer. Every moment is dedicated to developing treatments and every action moves us one step closer to our goal. We’ve made incredible scientific breakthroughs and our pioneering personalized CAR T-cell therapies have changed the paradigm. But we're not finished yet. Join Kite, as we make even bigger advances in cancer therapies, and help shape where our business and medical science goes next. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Kite and help create more tomorrows. Job Description Position Summary The Senior IT Quality Engineering Specialist serves as the technical lead for the Kite Laboratory Information Management System (KLIMS) within North America West Coast (El Segundo). This role is responsible for the operational stability, compliance, maintenance, enhancement, and technical governance of the LabVantage platform and associated integrations. The position partners closely with Quality Control, Manufacturing, Validation, Infrastructure, and Kite Business stakeholders to ensure reliable and compliant laboratory operations. Key Responsibilities System Administration & Operational Support • Provide day-to-day administration and technical support for KLIMS and related

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Rare Disease Sales Organization Mission & Impact Pfizer’s Rare Disease – Rare Cardiac Sales organization exists to help improve the lives of people living with serious rare cardiac conditions by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need— advancing disease and product education grounded in robust clinical evidence , promoting Pfizer Rare Cardiac therapies compliantly, and supporting healthcare professionals’ understanding of appropriate patient identification and use based on approved indications. Through evidence‑based scientific exchange, we help reduce access, diagnostic, and workflow barriers so more patients can start and stay on the right therapy. Our impact is more informed clinical decision ‑ making, improved consistency of care, and better outcomes for patients , contributing to a higher standard of care across the rare cardiac community. Role Summary The Rare Disease – Rare Cardiac, Senior Health & Science Specialist is a field-based specialty sales role responsible for driving the growth of Rare Cardiac products through compliant, strategic relationships within assigned accounts. This role partn

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Rare Disease Sales Organization Mission & Impact Pfizer’s Rare Disease – Rare Cardiac Sales organization exists to help improve the lives of people living with serious rare cardiac conditions by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need— advancing disease and product education grounded in robust clinical evidence , promoting Pfizer Rare Cardiac therapies compliantly, and supporting healthcare professionals’ understanding of appropriate patient identification and use based on approved indications. Through evidence‑based scientific exchange, we help reduce access, diagnostic, and workflow barriers so more patients can start and stay on the right therapy. Our impact is more informed clinical decision ‑ making, improved consistency of care, and better outcomes for patients , contributing to a higher standard of care across the rare cardiac community. Role Summary The Rare Disease – Rare Cardiac, Senior Health & Science Specialist is a field-based specialty sales role responsible for driving the growth of Rare Cardiac products through compliant, strategic relationships within assigned accounts. This role par

Citibank, N.A. seeks an Applications Development Tech Lead Analyst for its Tampa, Florida location. Duties: Responsible for source code review to ensure it satisfies good coding practice. Coordinate all communication between tech team and Ab Initio vendor, including scheduling and chairing weekly meetings. Responsible for reconfiguration and reengineering to optimize performance. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcomes and consequences of design. Prepare reports or correspondence concerning project specifications, activities, or status. Confer with systems analysts, engineers, programmers and others to design systems and to obtain information on project limitations and capabilities, performance requirements and interfaces. Manage the hardware infrastructure and monitor the performance metrices E2E. Identify areas of growth need and proposal scale up activities. Execute on scale up activities by submitting procurement requests, manage regular calls with the deployment team and plan go live/switch activity. Develop shell scripting code base to support the job executions, interactions between systems. A telecommuting/hybrid work schedule may be permitted within a commutable distance from the worksite, in accordance with Citi policies and protocols. Requirements: Requires a Bachelor’s degree, or foreign equivalent in Information Technology, Engineering (any) or related field and 6 years of progressively responsible, post-baccalaureate experience as a Software Engineer, Associate Director – Data Engineering, Senior Consultant, Data Specialist, Assistant Systems Engineer or related position involving gathering new business requirements, architecture, analysis, estimation, design, implementation, and leading a team of software developers and software development. 6 years of experience must include: Experience with AbInitio Data Processing (SME), Data Modeling

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact. We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together. Job Description As the primary Public Affairs liaison to the R&D organization, the V ice P resident will develop and execute an integrated internal and external communications strategy that advances enterprise priorities, strengthens trust in our science, and enables business readiness for key pipeline and regulatory events. This leader will provide senior counsel to R&D and enterprise leaders on reputation and risk, set the operating model and governance for R&D communications globally, and build a high-performing team with deep scientific, regulatory, and issues-management expert

About the Team The Safety Systems team is at the forefront of OpenAI's mission to build and deploy safe AGI, driving our commitment to AI safety and fostering a culture of trust and transparency. The Model Policy team aligns model behavior with desired human values and norms. We co-design policy with models and for models by driving rapid policy taxonomy iteration based on data and defining evaluation criteria for foundational models’ ability to reason about safety. Key focus areas include: catastrophic risk, mental health, teen safety and multimodal safety. About the Role Providing access to frontier AI systems raises complex questions around dual-use science and catastrophic risk. How should models respond to requests involving chemical synthesis, biological experimentation, or pathogen research? Where is the boundary between legitimate scientific inquiry and information that could enable misuse? How do we design policies that meaningfully reduce risk without unnecessarily restricting beneficial research? This is a senior role in which you’ll help shape policy creation and development at OpenAI for addressing biological and chemical risks. You will develop structured policy frameworks and taxonomies to guide safe model behavior. This role sits at the intersection of biosecurity expertise, AI safety research, and policy design. You will help ensure that frontier AI systems can support beneficial life sciences research, such as drug discovery, public health, and biosafety, while reducing the risk that these capabilities could be misused. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you’ll: Design and maintain model policies governing chemical and biological risk, defining how models should safely handle dual-use scenarios. Develop structured taxonomies of chemical and biological risk that inform model training data, evaluation benchmarks, and safet

About the Team Our Safety Systems team is at the forefront of OpenAI's mission to build and deploy safe AGI, driving our commitment to AI safety and fostering a culture of trust and transparency. The Model Policy team aligns model behavior with desired human values and norms. We co-design policy with models and for models by driving rapid policy taxonomy iteration based on data and defining evaluation criteria for foundational models’ ability to reason about safety. Key focus areas include: catastrophic risk, mental health, teen safety and multimodal safety. About the Role Providing access to frontier AI systems raises complex questions around dual-use science and catastrophic risk. How should models respond to requests involving chemical synthesis, biological experimentation, or pathogen research? Where is the boundary between legitimate scientific inquiry and information that could enable misuse? How do we design policies that meaningfully reduce risk without unnecessarily restricting beneficial research? This is a senior role in which you’ll help shape policy creation and development at OpenAI for addressing biological and chemical risks. You will develop structured policy frameworks and taxonomies to guide safe model behavior. This role sits at the intersection of biosecurity expertise, AI safety research, and policy design. You will help ensure that frontier AI systems can support beneficial life sciences research, such as drug discovery, public health, and biosafety, while reducing the risk that these capabilities could be misused. Our relevant publications: Preparedness framework Preparing for future AI capabilities in biology Safety evaluations hub OpenAI GPT5 System Card Evaluating Fairness in ChatGPT Improving Model Safety Behavior with Rule-Based Rewards OpenAI Model Spec Your Responsibilities: Design and maintain model policies governing chemical and biological risk, defining how models should safely handle dual-use scenarios. Develop structured taxonomi