Machine Learning Fellow Jobs

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Lyft’s Data Science Team builds mathematical models underpinning the platform’s core services. Compared to other technology companies of a similar size, the set of problems that we tackle is incredibly diverse. They cut across optimization, prediction, modeling, inference, transportation, and mapping. We're looking for Masters or PhD students who are passionate about solving mathematical problems with data and are excited about working in a fast-paced, innovative and collegial environment. We are hiring for a variety of Data Science interns, focusing on the following specialties: Optimization: Construct and fit statistical or optimization models that facilitate automated decision making in the app. Machine Learning: Design, build, tune, and deploy machine learning models with a special emphasis on feature engineering and deployment. Inference: Design and analyze tests in our dynamic marketplace, estimating statistical and ML models to enable better decisions, and developing and evaluating algorithmic policies in our pricing, dispatch, and incentives systems. You will report into a Science Manager. Responsibilities: Partner with Engineers, Product Managers, and other cross-functional partners to frame problems, both mathematically and within the business context Perform exploratory data analysis to gain a deeper understanding of the problem Write production modeling code; collaborate with software engineers to implement algorithms in production Design and run both simulated and live traffic experiments Analyze experimental and observational data; communicate findings including working with partner teams and presentations; facilitate launch decisions Experience: Currently pursuing a Masters or PhD degree in mathematical sciences ( Operations Research, Computer Science, Statistic

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Lyft’s Data Science Team builds mathematical models underpinning the platform’s core services. Compared to other technology companies of a similar size, the set of problems that we tackle is incredibly diverse. They cut across optimization, prediction, modeling, inference, transportation, and mapping. We're looking for Masters or PhD students who are passionate about solving mathematical problems with data and are excited about working in a fast-paced, innovative and collegial environment. We are hiring for a variety of Data Science interns, focusing on the following specialties: Optimization: Construct and fit statistical or optimization models that facilitate automated decision making in the app. Machine Learning: Design, build, tune, and deploy machine learning models with a special emphasis on feature engineering and deployment. Inference: Design and analyze tests in our dynamic marketplace, estimating statistical and ML models to enable better decisions, and developing and evaluating algorithmic policies in our pricing, dispatch, and incentives systems. You will report into a Science Manager. Responsibilities: Partner with Engineers, Product Managers, and other cross-functional partners to frame problems, both mathematically and within the business context Perform exploratory data analysis to gain a deeper understanding of the problem Write production modeling code; collaborate with software engineers to implement algorithms in production Design and run both simulated and live traffic experiments Analyze experimental and observational data; communicate findings including working with partner teams and presentations; facilitate launch decisions Experience: Currently pursuing a Masters or PhD degree in mathematical sciences ( Operations Research, Computer Science, Statistic

At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. 🚀 Everything we build now runs through one question: how do we supercharge productivity with AI? ClickUp Brain and our agentic AI capabilities are the center of gravity for the company. We're not bolting AI onto a project management tool, we're building the platform where AI does real work: drafting, summarizing, routing, researching, and executing alongside the humans who use it. That focus is external and internal. We expect our customers to get radically more productive with AI, and we expect the same of ourselves. Every ClickUp employee is given the tools, the training, and the mandate to use AI in their daily workflow. This is an AI-native role. You will use AI every day to research faster, personalize at scale, prep calls, and keep your pipeline clean. You will also be selling AI, so you need to speak about it credibly. The Role As a Market Development Representative (MDR), you'll serve as the critical bridge between our marketing efforts and the sales team, playing a pivotal role in accelerating our revenue pipeline. You will be responsible for meticulously following up on, nurturing, and qualifying all inbound leads generated from our diverse marketing channels. This role is fundamental to ensuring our sales team engages only with the most promising and well-prepared prospects. In this position, you'll act as the first point of contact and a trusted educator for potential customers. Your mission is to understand their initial interest, assess their business needs, and articulate the value of our platform, including how our AI capabilities change what their team is capable of. You will manage the

Axsome Therapeutics is a biopharmaceutical company leading a new era in the treatment of central nervous system (CNS) conditions. We deliver scientific breakthroughs by identifying critical gaps in care and develop differentiated products with a focus on novel mechanisms of action that enable meaningful advancements in patient outcomes. Our industry-leading neuroscience portfolio includes FDA-approved treatments for major depressive disorder, agitation associated with dementia due to Alzheimer’s disease, excessive daytime sleepiness associated with narcolepsy and obstructive sleep apnea, and migraine, as well as multiple novel product candidates addressing a broad range of serious neurological and psychiatric conditions that impact over 150 million people in the United States. Together, we are on a mission to solve some of the brain’s biggest problems so patients and their loved ones can flourish. For more information, please visit us at www.axsome.com and follow us on LinkedIn and X . About This Role: Axsome Therapeutics is seeking an Associate Director, HEOR Analytics. This is a hands-on, technical role responsible for designing and executing real-world evidence (RWE) analyses using large-scale healthcare datasets, including administrative claims, electronic health records (EHR/EMR), and other real-world data sources. This role combines advanced statistical programming, study design, and analytical expertise to generate rigorous evidence supporting evidence generation priorities. The individual will lead the development of study protocols, statistical analysis plans, and study reports in partnership with the HEOR Lead & Medical Strategy colleagues, oversee programming and execution of analyses inclusive of quality control procedures, and deliver high-quality evidence to inform value demonstration, payer engagement, and scientific publications. This role is based at Axsome’s HQ in New York City with an on-site requireme

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. The Opportunity Okta is building an AI-enabled demand engine that uses signals, automation, and intelligent engagement to identify, qualify, route, and progress the right buyers more effectively. The AI Journey Operations Manager will own the business strategy, qualification framework, routing logic, operating model, and performance optimization for AI-assisted xDR capabilities across the Global Demand Center. This role is not primarily a platform administration or workflow-build role. It is a senior, cross-functional capability-owner role responsible for determining how AI-assisted qualification and engagement should operate, how it connects to human xDR and Sales follow-up, and how it contributes to measurable funnel and pipeline outcomes. The ideal candidate combines AI-enabled GTM experience, xDR/Sales process knowledge, demand generation, revenue operations, and journey strategy. They can translate business priorities into qualification logic, routing rules, AI engagement workflows, handoff requirements, measurement frameworks, and ongoing optimization plans. What You’ll Do Own AI xDR qualification strategy Define qualification frameworks for AI-assisted engagement across priority inbound, account-based, product-led, customer, and signal-triggered motions. Establish the fit, behavior, intent, engagement, and business-context criteria used to determine whether a lead or account should be engaged, progressed, routed, recycled, or suppressed. Partn

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. The Account Executive at Okta is responsible for all aspects of new customer acquisition and growth including management of the sales process for small to medium prospective customers as well as expansion within existing accounts. The Account Executive will focus on the Japan market, to develop and execute strategies and tactics in the following key areas: territory planning, prospecting, relationship development, running sales cycles, pricing presentation and delivery, negotiations, and closing. Account Executives at Okta strive to understand the specific challenges that both prospects and customers are faced with and map Okta’s solutions accordingly to achieve the desired positive business outcomes. They will need to cultivate positive relationships with customers and key partners while maintaining a solid knowledge of Okta’s evolving technology as well as contending differentiators. In this high-velocity role, you’ll focus on small to mid-sized businesses, presenting both on-site and remotely. Expect to own deals from cradle-to-grave in collaboration with account teams, sales engineers, professional services, and partners. It is imperative that you demonstrate leadership qualities, ethical behavior, excellent work ethic and a focus on collaboration with both internal counterparts as well as customers. Job Duties and Responsibilities: Build and execute against a comprehensive territory plan Prospect, build and maintain a robust sales pipeline Work with pa

About us GoCardless, a Mollie company, is a global leader in bank payments. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect, manage and send bank payments through Direct Debit, real-time payments and open banking. With US$130bn+ processed annually across 30+ countries, we handle recurring and one-off payments without the chasing, stress, or expensive fees. Our end-to-end payment platform also features AI-powered solutions to improve payment success and reduce fraud, alongside connections to over 350 platforms businesses use everyday. We are headquartered in the UK, with teams and operations spanning North America, Europe and Asia-Pacific. For more information, please visit www.gocardless.com and follow us on LinkedIn @GoCardless. Mollie is the leading payments and financial services partner for business, rooted in Europe, with global reach. Payment Intelligence Our mission is to make GoCardless the best way to pay and be paid. Our ambition is to dramatically improve payment performance and safeguard our customers from bad outcomes like payment fraud and failures. You will help find data opportunities and areas to improve our payment intelligence products. You should be comfortable with large data sets, customer data, and machine learning principles. You’ll work alongside Product Managers, Engineers and Data Scientists in our two core Payment Intelligence teams to provide critical insights and help drive product direction. Our existing Payment Intelligence Products are already one of the key reasons why customers choose GoCardless. These include Protect+, which defends customers from fraud, and Success+, which helps customers intelligently recover failed payments. You will need to own our understanding of these products and identify insights and opportunities to help us develop new intelligent features. What You'll Do At GoCardless analytics is at the core of everything we do and drives business performance through d

About us GoCardless, a Mollie company, is a global leader in bank payments. Over 100,000 businesses, from start-ups to household names, use GoCardless to collect, manage and send bank payments through Direct Debit, real-time payments and open banking. With US$130bn+ processed annually across 30+ countries, we handle recurring and one-off payments without the chasing, stress, or expensive fees. Our end-to-end payment platform also features AI-powered solutions to improve payment success and reduce fraud, alongside connections to over 350 platforms businesses use everyday. We are headquartered in the UK, with teams and operations spanning North America, Europe and Asia-Pacific. For more information, please visit www.gocardless.com and follow us on LinkedIn @GoCardless. Mollie is the leading payments and financial services partner for business, rooted in Europe, with global reach. Payment Intelligence Our mission is to make GoCardless the best way to pay and be paid. Our ambition is to dramatically improve payment performance and safeguard our customers from bad outcomes like payment fraud and failures. You will help find data opportunities and areas to improve our payment intelligence products. You should be comfortable with large data sets, customer data, and machine learning principles. You’ll work alongside Product Managers, Engineers and Data Scientists in our two core Payment Intelligence teams to provide critical insights and help drive product direction. Our existing Payment Intelligence Products are already one of the key reasons why customers choose GoCardless. These include Protect+, which defends customers from fraud, and Success+, which helps customers intelligently recover failed payments. You will need to own our understanding of these products and identify insights and opportunities to help us develop new intelligent features. What You'll Do At GoCardless analytics is at the core of everything we do and drives business performance through d

About the Team The Alignment team at OpenAI is dedicated to ensuring that our AI systems are safe, trustworthy, and consistently aligned with human values, even as they scale in complexity and capability. Our work is at the cutting edge of AI research, focusing on developing methodologies that enable AI to robustly follow human intent across a wide range of scenarios, including those that are adversarial or high-stakes. We concentrate on the most pressing challenges, ensuring our work addresses areas where AI could have the most significant consequences. By focusing on risks that we can quantify and where our efforts can make a tangible difference, we aim to ensure that our models are ready for the complex, real-world environments in which they will be deployed. The two pillars of our approach are: (1) harnessing improved capabilities into alignment, making sure that our alignment techniques improve, rather than break, as capabilities grow, and (2) centering humans by developing mechanisms and interfaces that enable humans to both express their intent and to effectively supervise and control AIs, even in highly complex situations. About the Role As a Research Engineer / Research Scientist on the Alignment team, you will be at the forefront of ensuring that our AI systems consistently follow human intent, even in complex and unpredictable scenarios. Your role will involve designing and implementing scalable solutions that ensure the alignment of AI as their capabilities grow and that integrate human oversight into AI decision-making. This role is especially well suited for someone who can move from an ambiguous model-behavior question to a concrete experimental setup: formulate the hypothesis, build the evaluation or intervention, run the experiment, analyze the result, and decide what the evidence supports. This role may be based in San Francisco or London, subject to team needs and location approval. In this role, you will: We are seeking research engineers and res

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Build and maintain Data/Solution Pipeline Engineering to ensure a robust and scalable data infrastructure that supports the training and deployment of machine learning models. Analyze existing Micron data sets to identify patterns, trends, and insights that can enhance machine learning model development. Design, implement, and iterate on machine learning models to address specific business challenges and enhance product functionality. Collaborate on data preprocessing and feature engineering to enhance the quality of input data for machine learning models. Design and optimize data structures in data management systems (Cloud platforms - Snowflake, GCP, Azure) to enable AI/ML solutions. Build custom software components and analytics applications. Design & Implement strategies for deploying machine learning models into production environments. Responsible for selecting best model to meet both model performance and minimize compute costs. Establish and maintain monitoring systems to track the performance of deployed models and facilitate continuous improvement. Create/Maintain CI/CD pipelines of machine learning solutions in the cloud environment. Collaborate with the Product and Engineering teams to identify opportunities for integrating Generative artificial intelligence capabilities into Project solutions/platform. Collaborate with the Product team to design a Tactical roadmap for the adoption of Generative AI Technologies, paradigms & frameworks following organizational best practices. Design, develop, and deploy enterprise-grade applications leveragi

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Job Summary We are seeking a highly motivated Failure Analysis Engineer to join our Product Failure Analysis (PFA) Laboratory. The successful candidate will be responsible for conducting failure analysis, root cause investigations, and advanced package characterization to support product development and yield improvement. This role requires strong analytical skills, hands-on laboratory experience, and the ability to collaborate with cross-functional teams in a fast-paced semiconductor environment. Qualifications Education Bachelor's or Master's degree in: Materials Science & Engineering Electrical Engineering Electronics Engineering Mechanical Engineering Chemical Engineering Physics, Chemistry, or related technical disciplines Experience in one or more of the following areas is preferred: Wafer Fabrication Assembly and Packaging Product Engineering Yield Enhancement Failure Analysis Laboratory Advanced Packaging Technologies Responsibilities Perform electrical and physical failure analysis of semiconductor devices and packages. Conduct root cause investigations and provide technical recommendations. Develop and execute analytical plans to support engineering requests. Interpret analytical results and communicate findings effectively. Collaborate with Process, Product, Quality, Reliability, and Manufacturi

Who we are About Stripe Stripe, LLC. is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. What you’ll do Responsibilities Analyze accounts and transactions to identify and predict risky behavior that could result in losses for Stripe or pose challenges to the broader payments ecosystem. Scale risk processes to cover an increasingly large and complex landscape of payments risks and effectively design strategies and solutions that might range from ML model features to manual review workflows. Work with internal partners like Engineering, Product, Data Science and Operations to develop solutions that would mitigate fraud risk across different geographies, payment methods and products. Work with Stripe users to educate them about and help prevent potential risks to their business. Challenge the payments industry status quo to help enable innovative businesses to flourish online. Who you are Minimum requirements Must have a Bachelor's degree or foreign equivalent in Business Administration, Economics, Statistics, Finance, Engineering, or a related quantitative field plus 4 years of experience as a Risk or Fraud Strategist or a related occupation. Must also have 3 years of experience in each of the following: Payments-related domains, including regional payment methods, risk management, fraud prevention, or trust and safety operations; Working with quantitative tools including Python, R or Stata; Using SQL; Project Management analytical tools including Jira, Asana, and Gantt charts; Predictive Analytics; Machin

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Data at Brex The Data organization develops infrastructure, statistical models, and products using financial data. Our Scientists and Engineers work together to make data —and insights derived from data — a core asset across the company. Our work is ingrained in Brex’s decision-making process, in the efficiency of our operations, in our risk management policies, and in the second-to-none experience we provide our consumers. What You’ll Do Our Data Scientists are responsible for the entire model development lifecycle, from conception with stakeholders, through model development and productionization, to following through to see that the desired business impact is achieved — including circling back with stakeholders to make product or strategic decisions. Responsibilities Drive Data & AI solutions from inception to deployment to efficiently manage risk and/or improve customer experience. Be responsible for the full machine learning

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Responsibilities: Responsible to help design, build, and integrate the platform that powers ride experience. Assist with designing roadmaps and architecture based on the company’s rapidly progressing technology and business needs. Improve and implement new microservices and improve quality, performance, and monitoring of the company’s microservice APIs. Develop and direct software system testing and validation procedures, programming, and documentation. Participate in identifying, triaging, debugging, and resolving issues and bugs across the company's various applications and platforms. Manage project priorities, deadlines, and deliverables. Experience: Bachelor's degree or foreign equivalent in Computer Science, Engineering, or related field. 6 months of experience in job offered, software development, or related occupation. At least 6 months of experience with object-oriented programming, machine learning, and AI. At least 6 months of experience with web technologies, DynamoDB, and at least one of the following: C, C++, Java, Go, or Python. Experience with frontend and backend languages, relational databases, and schema design. Experience with data structures or algorithms. Benefits: Great medical, dental, and vision insurance options with additional programs available when enrolled Mental health benefits Family building benefits Child care and pet benefits 401(k) plan to help save for your future In addition to 12 observed holidays, salaried team members have discretionary paid time off, hourly team members have 15 days paid time off 18 weeks of paid parental leave. Biological, adoptive, and foster parents are all eligible Subsidized commuter benefits Lyft Pink - Lyft team members get an exclusive opportunity to test new benefits of our Ridership Program Lyft is an equal o

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Support end-to-end upstream P2P activities from Scout through PO closure , ensuring accurate, timely, and compliant procurement execution. Key Responsibilities Manage PR/PO creation, revision, and closure in Coupa. Support NDA, MSA, SOW/Order Form creation, documentation, and DocuSign execution. Validate supplier, pricing, payment terms, dates, commodity, billing strings, and supporting documentation. Coordinate with Sourcing, Category, Legal, Security, Business Users, and AP to resolve P2P issues and bottlenecks. Support supplier onboarding and respond to stakeholder/supplier queries. Monitor procurement milestones, follow up on pending approvals, and ensure timely completion. Support low-dollar sourcing/procurement activities and Category Procurement as needed. Maintain accurate Scout, Coupa, and contract records, including PO/contract renewal and closure information. Identify process/system improvement opportunities and support P2P transformation initiatives. Ensure compliance with procurement SOPs, controls, and SLA/OLA requirements. Requirements Experience in Procurement, Sourcing, or P2P operations. Strong Coupa and procurement process knowledge; Scout/DocuSign experience preferred. Strong attention to detail, financial acumen, and problem-solving skills. Excellent stakeholder communication and collaboration skills. Ability to work in a fast-paced, global environment and support extended/graveyard shifts. 2-3 Years of AP or Procurement experienc