Machine Learning Engineer Ii Core Engineering in United States

Upwork Inc.'s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent across the globe, and Lifted, which provides a purpose-built solution for enterprise organizations to source, contract, manage, and pay talent across the full spectrum of contingent work. From Fortune 100 enterprises to entrepreneurs, businesses rely on Upwork Inc. to find and hire expert talent, leverage AI-powered work solutions, and drive business transformation. With access to professionals spanning more than 10,000 skills across AI & machine learning, software development, sales & marketing, customer support, finance & accounting, and more, the Upwork family of companies enables businesses of all sizes to scale, innovate, and transform their workforces for the age of AI and beyond. Since its founding, Upwork Inc. has facilitated more than $30 billion in total transactions and services as it fulfills its purpose to create opportunity in every era of work. Learn more about the Upwork Marketplace at Upwork.com and follow us on LinkedIn , Facebook , Instagram , TikTok , and X ; and learn more about Lifted at Go-Lifted and follow on LinkedIn . About the Role Upwork's COO and GM of Marketplace operates across one of the broadest organizational portfolios in the company - spanning Legal, Information Security, Marketing, Payments, Trust & Safety, Communications, Customer Support, Design, and Product. The Chief of Staff to the COO exists to make that model work: not as a coordinator, but as a true operating partner who extends the COO's capacity, sharpens decision-making, and holds together a complex, fast-moving organization. This role requires someone who has earned the confidence to walk into any room, speak with authority, and immediately earn cre

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . The Platforms TPM organization partners with Experimentation, ML, LLM/GenAI, and Data Infrastructure teams to shape how Pinterest measures everything that matters — from product experiments to AI systems to the platforms everyone builds on. What you'll do: As a Staff Technical Program Manager for Measurement, you'll have the rare opportunity to shape how a company the size of Pinterest measures itself — turning a portfolio spanning experimentation, machine learning, generative AI, and data infrastructure into one coherent, high-impact program. Drive Pinterest's experimentation roadmap — accelerating how confidently and quickly teams can test, learn, and ship new ideas at scale. Own the program driving cost and compute efficiency across our ML systems, and help scale data science workflows into production-grade tooling. Lead cost optimization and

About Stitch Fix, Inc. Stitch Fix (NASDAQ: SFIX) Stitch Fix is redefining retail by combining human creativity with advanced data science and Generative AI. As we build the future of personalized shopping, we’re equally committed to building yours. We believe in investing in our team as much as our technology. Join us to be a trendsetter in the industry and help us redefine what’s possible for our clients, while we help you reach your full potential. About the Role The CRM team at Stitch Fix is responsible for strengthening client relationships, maximizing customer lifetime value, and driving long-term retention through data-driven personalization. As a CRM Marketing Manager, you will strategically own and innovate key pillars of our CRM organization. Partnering closely with Creative, Data Science, Product, and Engineering teams, you will deliver highly personalized lifecycle programs across multiple channels to measurably reduce churn, increase reactivation, and elevate the overall customer experience. Responsibilities: Strategize and execute comprehensive, cross-channel lifecycle and transactional programs (including Email, App Push, SMS and Packaging Inserts) to drive customer engagement and loyalty. Own and optimize the end-to-end planning and development workflow for CRM marketing initiatives, ensuring rapid execution and agile adaptation based on performance data. Collaborate cross-functionally with Creative, Product, Engineering, and Customer Service stakeholders to build a seamless customer journey and elevate the role of our Stylists in our content strategy. Leverage advanced data analytics and insights to design personalized CRM programs at scale, identifying new growth opportunities and mitigation strategies for churn. Synthesize and communicate high-level performance reporting and strategic insights to leadership and stakeholders across the organization. How AI and tools show up in your day-to-day work: Leverage generative AI tools (e.g., Ch

About the team The OpenAI for Government team partners with federal, state, local, defense, national security, and international public-sector organizations to securely and responsibly adopt frontier AI, strengthen public services, and deliver meaningful mission impact. About the role OpenAI is seeking a strategic and deeply technical leader to serve as the Head of Government Technical Success. This leader will oversee the technical functions across the government customer lifecycle, spanning pre-sales engagement, prototype-to-production delivery, and post-sales adoption and value realization. You will define and operate a unified technical success strategy across federal civilian, defense and national security, state and local, international public sector, and industry partners. Your mission is to help customers identify the highest value applications of OpenAI’s technology, navigate the technical and organizational requirements of government environments, move those applications into production, and scale adoption in ways that deliver measurable mission impact. This role combines organizational leadership, technical judgment, executive customer engagement, operating rigor, and product influence. You will partner closely with Government Sales, Product, Engineering, Research, Security, Legal, Global Affairs and Policy, and other teams to ensure a seamless customer experience for governments in the United States and around the world. This role is based in Washington, DC. We offer relocation support to new employees. In this role, you will Set and continuously refine the strategy, operating model, and priorities for Government Technical Success, aligning the organization to OpenAI’s broader objectives and the distinct needs of government customers. Build and lead an organization of technical success personnel, including hiring, organizational design, manager development, career growth, and high standards for technical and customer-facing excellence. Create a seamless

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role AI research at WRITER isn't just about publishing papers — it's about building the scientific foundation that powers some of the most ambitious enterprise AI deployments in the world. As an AI research scientist, you'll be at the center of that work. You'll drive a high-impact research agenda focused on large language models, agentic reasoning, and the system-level capabilities that make AI genuinely useful at enterprise scale. This is a rare opportunity to do research that matters twice over — advancing the field and shipping directly into products used by hundreds of thousands of people every day. We're at an inflection point. Enterprises are moving from experimenting with AI to deeply embedding it across their operations, and WRITER's models are the engine making that possible. The work you do here — on post-training, planning, multi-step reasoning, and agentic workflows — will directly shape how the next generation of enterprise AI behaves, performs, and scales. You

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. 🚀 We’re looking for an Account Executive who has a consistent track record of exceeding quota via expanding client footprint through cross-selling and upselling opportunities. You should have experience with consultative sales processes, selling SaaS (ideally productivity solutions), and working with mid-size to large companies, across a variety of industries. You are a solution seller by nature, training, and experience, who is genuinely curious, and confident speaking with customers. And, you’re a persuasive self-starter, a good listener, while having a high degree of personal accountability in communicating cross-functionally and maintaining a healthy sales pipeline. Since a majority of your time will be spent on emails, calls, and web conferences with customers, we expect an infectiously positive attitude when prospecting, presenting, and closing! We are not interested in aggressive or annoying sales tactics - we believe the product is the real reason for converting. Our secret sauce should be framed around how we can ensure people see the value of the solution we provide. If you’re ready for the ride of a lifetime into the billion-dollar unicorn club, please, by all means, click the apply button! This role requires 3 days a week in office in Boston, MA. The Role: Full Cycle Management: Own and manage the full sales cycle with current ClickUp Customers—building pipeline, qualifying leads, and closing deals - cross-selling, upselling, and expanding ClickUp’s footprint within current customer organizations. Target Achievement: Consistently achieve and exceed pipeline and sales targets by converting fre

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. 🚀 We’re looking for an Account Executive who has a consistent track record of exceeding quota via expanding client footprint through cross-selling and upselling opportunities. You should have experience with consultative sales processes, selling SaaS (ideally productivity solutions), and working with mid-size to large companies, across a variety of industries. You are a solution seller by nature, training, and experience, who is genuinely curious, and confident speaking with customers. And, you’re a persuasive self-starter, a good listener, while having a high degree of personal accountability in communicating cross-functionally and maintaining a healthy sales pipeline. Since a majority of your time will be spent on emails, calls, and web conferences with customers, we expect an infectiously positive attitude when prospecting, presenting, and closing! We are not interested in aggressive or annoying sales tactics - we believe the product is the real reason for converting. Our secret sauce should be framed around how we can ensure people see the value of the solution we provide. If you’re ready for the ride of a lifetime into the billion-dollar unicorn club, please, by all means, click the apply button! This role requires 3 days a week in office in San Diego, CA. The Role: Full Cycle Management: Own and manage the full sales cycle with current ClickUp Customers—building pipeline, qualifying leads, and closing deals - cross-selling, upselling, and expanding ClickUp’s footprint within current customer organizations. Target Achievement: Consistently achieve and exceed pipeline and sales targets by converting

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. 🚀 We’re looking for an Majors Account Executive who has a consistent track record of exceeding quota via net new account acquisition, plus some account management experience with expansion and renewals. You should have experience with consultative sales processes, selling SaaS (ideally productivity solutions), and working with mid-size to large companies, across a variety of industries. You are a solution seller by nature, training, and experience, who is genuinely curious, and confident speaking with customers. And, you’re a persuasive self-starter, a good listener, while having a high degree of personal accountability in communicating cross-functionally and maintaining a healthy sales pipeline. Since a majority of your time will be spent on emails, calls, and web conferences with customers, we expect an infectiously positive attitude when prospecting, presenting, and closing! We are not interested in aggressive or annoying sales tactics - we believe the product is the real reason for converting. Our secret sauce should be framed around how we can ensure people see the value of the solution we provide. If you’re ready for the ride of a lifetime into the billion-dollar unicorn club, please, by all means, click the apply button! The Role: Own expansion opportunities across major accounts in your assigned region, focusing on organizations with 1,000–2,500 employees. Convert account signals, free trials, demo requests, marketing-qualified demand, and product adoption into qualified commercial pipeline and durable revenue. Run structured discovery to uncover workflow pain, stakeholder priorities, buying fric

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. 🚀 About the Role: ClickUp is hiring an Enterprise Partner Manager to help build and scale our North America partner motion, with a primary focus on the East Coast region. This role sits at the center of how we expand through partners: recruiting the right firms, enabling them to sell and deliver ClickUp well, and turning partner relationships into a meaningful source of revenue and customer impact. This is a strong fit for someone who knows how to build, not just maintain. You’ll work across partner recruitment, joint business planning, enablement, and pipeline creation, while partnering closely with direct sales, solutions, marketing, and other GTM teams. If you’re energized by creating structure, coaching partners to first win and beyond, and shaping how a high-growth SaaS company scales its ecosystem, this role offers real ownership and visible impact. The Role: Build a high-performing partner portfolio across North America (East Coast) that helps ClickUp win more customers, expand partner-led revenue, and create repeatable service and go-to-market motions around the platform. Please note, this role does require travel and in-office work days in one of our three hubs (Chicago, Dallas, or Boston) 3x per week. Client visits or traveling on site to partners will count as an "in office" day. What You’ll Accomplish: Recruit and activate new partners that align with ClickUp’s ideal partner profile, including consultancies, agencies, VARs, referral partners, MSPs, and system integrators. Build and manage a focused book of partners across the United States and Canada, with clear priorities around partner qual

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. 🚀 ClickUp is building the everything app for work so teams can plan, collaborate, and execute in one place. We're hiring a Manager, Sales Development to lead a frontline team focused on converting inbound interest into qualified pipeline and developing future Account Executive talent. This role is critical as the business needs a hands-on leader who can improve conversion across lead sources, raise execution quality, and hire and coach strong SDR talent as the go-to-market engine scales. This is a high-impact leadership role for someone who loves building both people and systems. You'll partner closely with Sales, Marketing, Enablement, and Revenue Operations to improve funnel performance, sharpen team operating rhythm, and develop a strong bench of future sellers. Mission Lead a high-performing sales development team that converts inbound demand into quality pipeline, strengthens the future AE bench, and raises the bar on coaching, execution, and operating discipline. What You'll Own Lead, coach, and develop Sales Development Representatives with clear accountability for pipeline creation, lead conversion, and day-to-day execution quality. Manage a team of 6–10 Sales Development Representatives. Improve conversion across inbound lead sources by tightening process, prioritization, and follow-up discipline. Build a strong operating cadence around metrics, pipeline reviews, coaching, performance management, and team accountability. Hire, onboard, and develop team members who can succeed in the role and grow into future Account Executive opportunities. Partner with Marketing, Revenue Operations, Enablement,

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. 🚀 ABOUT THE ROLE We are hiring the next generation of product managers. AI has collapsed the work that used to sit between an idea and a working version of it, and for the first time, PMs can be true builders. The PMs who win in this era do not manage the work. They build the product, every day, with their own hands. A Senior Product Manager owns a meaningful surface of ClickUp and is accountable for whether it gets better. You decide what to build and why, then go build a working version of it. You prototype in Cursor and Claude when an idea is faster shown than written. You live in the data and the customer signal, and the time between spotting a problem and having something people can react to is measured in days, not weeks. The PMs who compound the most impact at this level are the ones who keep finding leverage that did not exist last quarter. KEY RESPONSIBILITIES Own the vision, roadmap, and delivery for a defined product surface, balancing near-term wins with longer-horizon investments. Run continuous discovery. Building and using agents to monitor and synthesize that part of your job. Write sharp PRDs and specs that give engineering and design what they need to move fast without ambiguity. Define success metrics before you build, track them after you ship, and iterate when outcomes do not match expectations. Prototype your own ideas using Cursor, Claude Code, and our Prototype Playground. Show the concept before filing the ticket. Collaborate cross-functionally with engineering, design, analytics, and GTM without needing to be managed through the process. Present your roadmap and results clearly

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. 🚀 We’re looking for an Mid-Market Account Executive who has a consistent track record of exceeding quota via net new account acquisition, plus some account management experience with expansion and renewals. You should have experience with consultative sales processes, selling SaaS (ideally productivity solutions), and working with mid-size to large companies, across a variety of industries. You are a solution seller by nature, training, and experience, who is genuinely curious, and confident speaking with customers. And, you’re a persuasive self-starter, a good listener, while having a high degree of personal accountability in communicating cross-functionally and maintaining a healthy sales pipeline. Since a majority of your time will be spent on emails, calls, and web conferences with customers, we expect an infectiously positive attitude when prospecting, presenting, and closing! We are not interested in aggressive or annoying sales tactics - we believe the product is the real reason for converting. Our secret sauce should be framed around how we can ensure people see the value of the solution we provide. If you’re ready for the ride of a lifetime into the billion-dollar unicorn club, please, by all means, click the apply button! MUST BE BASED IN BOSTON OR SAN DIEGO AND WILLING TO COMMUTE TO THE OFFICE 2-3 DAYS A WEEK. The Role: Work all new business leads for Mid-Market (300-1,000 employee companies) Achieve and consistently exceed pipeline and sales targets by converting free trials, marketing-qualified leads, or demo requests into paid customers. Master the product and be able to field customer serv

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Washington D.C., London and Amsterdam. We are the first line of defense against fraud and abuse on the Plaid platform. Our mission is to ensure the safety and integrity of our platform for consumers and customers. As a Fraud and Abuse Operations Analyst , you will be responsible for responding to fraud and abuse events, investigating claims, and triaging incidents. We also partner with product and engineering teams to inform and improve fraud mitigation strategies. Responsibilities: Safeguard Plaid's Platform: Participate in the abuse on-call rotation, directly protecting our users and customers by responding to and resolving fraud and abuse events. Your timely actions will be instrumental in maintaining trust and security. Drive Investigations and Mitigate Risks: Investigate fraud and abuse claims from diverse sources, partnering with senior teammates on complex cases. Your findings will inform decisions and strategies, directly impacting Plaid's ability to prevent future incidents and minimize financial losses. Proactively perform threat modeling of abuse surfaces and continuously survey external fraud trends, adversary techniques, tooling, and emerging threat vectors Support Incident Response: Help triage and manage fraud and abuse ev

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Washington D.C., London and Amsterdam. The Financial Management team develops market leading API products that power the most influential digital finance experiences that help millions of consumers and small businesses every day - think budgeting apps and financial management tools offered by banks and wealth platforms. Our mission is to unlock financial freedom for everyone by making it easier for customers and businesses to meet their financial goals. We do this through a state-of-the art, data aggregation and machine learning engine that enables our customers to seamlessly build delightful experiences on top of consumer-permissioned financial data. Every day, Plaid helps thousands of developers build a better financial future. You'll be responsible for defining the products which enable Plaid and our customers to shape the future of financial services. We are looking for the right product manager to own and grow Plaid’s financial management products, including Transactions, Investments, and Liabilities, even more valuable to our customers and partners. Plaid is on a journey to build insights on top of open banking data that drive value for customers, consumers and the fintech ecosystem in general. Additionally AI is changing how consu

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Our Data Analytics and AI org (DAA) is actively seeking a Staff Data Scientist, GTM to provide technical leadership for Snowflake’s next generation of AI & Machine Learning powered GTM decision systems. You will contribute to high-impact work across sales and marketing: propensity models across the GTM funnel, measuring the causal effect of GTM investments and interventions, and recommending actions for accounts, leads, opportunities, and customers. This role goes beyond developing models. You will define how decision systems are designed, evaluated, productionized, and integrated into the workflows of sellers, marketers, and business leaders. You will establish reusable technical standards, guide investment across use cases, and ensure that sophisticated methods translate into measurable business impact. What You’ll Do • Set the technical direction for a portfolio of AI & Machine Learning GTM decision systems spanning Sales and Marketing. • Develop pipeline forecasting methods that model stage progression, conversion, deal timing • Build account, lead, opportunity, and customer models that identify propensity, risk, potential, and likely next outcomes. • Develop recommendation and next-best-action systems that determine where GTM teams should focus, which action to