Senior Research Engineer in United States

ROLE SUMMARY We are looking for a Senior Data Scientist to lead complex data science engagements that combine traditional statistical modelling with Generative AI. You will work hands-on with very large datasets across disparate systems and formats, translate ambiguous business problems into rigorous analytical solutions, and present those solutions clearly to C-level stakeholders. This is a delivery-first role with a fast track into technical leadership: alongside your own project work, you will help guide junior data scientists and shape how Lynx builds and ships data science solutions. KEY RESPONSIBILITIES Solution Design & Delivery Design and deliver end-to-end solutions for defined data science problems, combining classical modelling, data transformation, and Generative AI / LLM techniques. Work hands-on with very large datasets across disparate stores and formats, from ingestion and transformation through to modelling and validation. Apply statistical and machine learning methods to business problems such as customer retention, campaign management, and commercial performance optimisation. Client Communication & Leadership Present results and prepare client-ready materials for project stakeholders, including C-level audiences, translating technical work into clear business narratives. Lead smaller data science workstreams, with support from internal leadership and the PMO, including day-to-day guidance for junior team members. Partner with delivery and account teams to scope problems, set realistic timelines, and manage stakeholder expectations. Knowledge Building Create reusable documentation, presentations, and code libraries during projects so future engagements can build on prior work. Participate in internal education, research, and knowledge-sharing initiatives that raise the technical bar across the practice. SKILLS, QUALIFICATIONS AND EXPERIENCE 8+ years of overall experience in data science, with a track record of leading analytic

About the Team OpenAI's Legal team plays a crucial role in furthering OpenAI's mission by tackling innovative, fundamental legal issues in AI. If you're passionate about doing significant and unique work as a technology lawyer, this team is for you. The team comprises legal professionals from diverse fields, including technology, privacy, IP, corporate, cybersecurity, employment, tax, regulatory, and litigation. About the Role We’re growing our Litigation and Regulatory team and seek an experienced counsel to lead high-stakes regulatory investigations, enforcement matters, and related litigation involving AI. You will own matters from initial inquiry through resolution, develop practical strategies for novel and technically complex issues, and translate an evolving factual record into clear advice. The role works closely with Legal, Product, Research, Safety, Security, Communications, Global Affairs, and executive stakeholders. 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 will: Lead regulatory inquiries, investigations, and enforcement matters in the United States and internationally, including matters involving federal agencies, state attorneys general, and international regulatory bodies. Develop strategy for contested enforcement proceedings and related litigation, including challenges to investigative demands and coordination across parallel matters. Partner with litigation and subject-matter counsel on related civil disputes, including privacy, consumer protection, class actions, cybersecurity, competition, copyright, trademark, and other IP issues. Manage subpoenas, civil investigative demands, requests for information from regulators and related entities, and discovery. Prepare employees and executives for interviews, testimony, depositions, trial, and other appearances before regulators. Negotiate resolutions to demands, complaints, and

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, Seattle, Washington D.C., Raleigh, London, and Amsterdam. Plaid’s Consumer team owns all of Plaid’s consumer facing surfaces. This includes Link, Plaid’s flagship product, which has been used by over half of all US adults to share their information safely and securely with financial applications. Link drives the vast majority of Plaid’s revenue. We’re also working on some exciting, 0-1 consumer initiatives. Both areas are top business priorities. As part of Plaid’s first Consumer team, you will lead product development and execution within a startup-like environment at Plaid. Responsibilities Define an ambitious vision / roadmap, sign up for quarterly / half year goals, and partner with the cross-functional team to hit them Drive prioritization and execution (build, measure, iterate) Identify opportunities through consumer feedback and staying close to our data / dashboards Partner with cross-functional team (design, research, data science, legal, and compliance) to do all of the above Qualifications You have successfully launched large consumer facing features driving meaningful outcomes at B2C companies You start with the consumer problem and have held a high bar for consumer experience You naturally gravitate towards using data to mak

About the Team OpenAI’s People team hires, engages, and retains world-class talent to safely build and deploy AGI that benefits all of humanity. The People Analytics team helps leaders make rigorous, evidence-based talent decisions and ensures that the systems supporting those decisions are valid, reliable, fair, and accountable. About the Role As a People Data Scientist focused on AI fairness and bias testing, you will help establish how OpenAI evaluates AI-assisted People systems and high-impact talent processes. You will design and conduct rigorous assessments to identify, measure, and mitigate potential bias across the lifecycle of models, agents, decision-support tools, and automated workflows. Your work will span the entire employee life-cycle, such as hiring, performance, promotion, employee development, workforce planning, etc. You will evaluate both technical systems and the broader human-AI decision processes in which they operate, examining not only model performance but also data quality, measurement validity, differential outcomes, human oversight, and unintended consequences. We’re looking for an experienced data scientist or applied researcher who can translate complex fairness questions into defensible evaluation strategies, scalable testing infrastructure, and clear recommendations for technical teams and senior leaders. This role is preferred to be based in San Francisco, CA. In this role, you will: Define and lead fairness and bias-testing strategies for AI-assisted People processes, models, agents, and decision-support systems from development through deployment and ongoing monitoring. Design rigorous algorithmic audits and validation studies, including adverse-impact analysis, subgroup and intersectional evaluation, error-rate analysis, calibration, measurement invariance, reliability, criterion-related validity, and sensitivity testing. Identify the appropriate fairness criteria for each use case, evaluate tradeoffs among competing definitions

The Senior Technical Accountant owns some of Coder’s most complex accounting work, with a particular focus on technical revenue accounting, equity accounting, consolidated financial reporting, and quarterly Board and investor reporting. You’ll help us reach well-supported accounting conclusions, strengthen our policies, and bring rigor to areas that carry the most judgment and complexity. Reporting to the Controller, you’ll work closely with FP&A, Legal, Sales Operations, Product, Corporate Accounting, and our external auditors. You’ll lead key technical accounting workstreams, own Controllership’s external reporting deliverables, and help shape a broader technical accounting function as Coder grows across markets and legal entities. What you’ll do here Own the technical accounting analysis for complex revenue arrangements, including contract modifications, variable consideration, new product offerings, SSP considerations, and other non-routine transactions. Research and document accounting positions for complex transactions, translating FASB ASC guidance into clear, well-supported conclusions. Draft, maintain, and evolve Coder’s ASC 606 revenue recognition policy memo and related revenue playbook as our business, products, and contract structures change. Partner with Corporate Accounting on complex revenue matters that affect period-end reporting, helping ensure technical conclusions are applied consistently. Advise Finance, Legal, Sales Operations, and Product on the accounting implications of business decisions, contract structures, and new go-to-market offerings. Prepare and review quarterly stock-based compensation accounting, including journal entries, disclosures, and variance analysis. Prepare group financial statements, including consolidation and entity-level reporting, with consideration for a multinational legal entity structure. Own the preparation of Controllership’s quarterly reporting for the Board and investors, including financial results, key

At Vanta, our mission is to help businesses earn and prove trust. We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. We’re looking for a detail-oriented Senior General Ledger Accountant to join our growing Accounting team. This role will be involved in a broad range of general ledger accounting activities, including, but not limited to, Cash, Prepaids, Fixed Assets, Accounts Payable, Leases, Investments, Allocations, Intercompany transactions, and Payroll accounting. The position requires strong analytical skills, a keen sense of accuracy, exceptional attention to detail, and the ability to independently research and resolve discrepancies. The ideal candidate thrives in a fast-paced environment and enjoys partnering cross-functionally with teams such as FP&A, Payroll, PeopleOPs, PayablesOps, and other business stakeholders to ensure accurate and timely financial reporting. SaaS industry experience is a plus, particularly in high-growth environments. What you’ll do as a Senior GL Accountant at Vanta: Prepare and review monthly journal entries, account reconciliations, and supporting schedules across a variety of general ledger accounts, including Cash, Prepaids, Fixed Assets, Accounts Payable, Leases, Investments, Payroll, and other balance sheet and income statement accounts. Partner cross-functionally with FP&A, Payroll, PeopleOps, Legal, and other business stakeholders to ensure the accuracy, completeness, and timeliness of financial information. Support the monthly, quarterly, and annual close processes by analyzing financial results, investigating variances and discrepancies, and ensuring accurate financial reporting. Perform flux and variance analyses across key accounts, leveraging data analytics and AI-enabled tools to identify

About Ramp Ramp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business spends. We automate how over $200B in annualized spend flows in and out of 70,000+ companies: authorizing payments, flagging risk, categorizing spend, and closing books. The problems are high-stakes, data-dense, and unforgiving. We hire people with high agency and high urgency. We look for slope over intercept. We care less about where you trained and more about what you’ve built. At Ramp, everyone is a builder who owns problems end to end and makes consequential decisions that shape the outcome. The median Ramp customer saves 5% and grows revenue 16% in their first year – far in excess of businesses operating without Ramp. We believe every ambitious company deserves the same. If you want to build systems that directly shape how companies move and manage billions, Ramp is the place to do it. About the Role Ramp is in a critical phase of growth. This role is responsible for helping lead our domestic marketing media capital allocation engine, and launching it internationally. You’ll own channels like Linear TV, YouTube, and Out-of-Home, and work alongside an experienced marketing team with the creative, analytical, and technical resources to deliver on ambitious growth goals. This is a key role in which you’ll be uniquely positioned to shape Ramp’s global growth by scaling some of the company’s fastest growing marketing media channels. What You'll Do Develop the qualitative research and strategic frameworks that govern how we allocate brand marketing budget across channels and markets. Own marketing media channels end-to-end, from investment strategy and budget pacing to audience targeting and measurement. Design measurement approaches that quantify the effectiveness of every strategy, placement, and buy. Work with a world-class brand marketing team to identify, pressure-test and execute on campaign themes and creative concepts that reson

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. Plaid’s Consumer team owns all of Plaid’s consumer facing surfaces. This includes Link, Plaid’s flagship product, which has been used by over half of all US adults to share their information safely and securely with financial applications. Link drives the vast majority of Plaid’s revenue. We’re also working on some exciting, 0-1 consumer initiatives. Both areas are top business priorities. As part of Plaid’s first Consumer team, you will lead product development and execution within a startup-like environment at Plaid. Responsibilities Define an ambitious vision / roadmap, sign up for quarterly / half year goals, and partner with the cross-functional team to hit them Drive prioritization and execution (build, measure, iterate) Identify opportunities through consumer feedback and staying close to our data / dashboards Partner with cross-functional team (design, research, data science, legal, and compliance) to do all of the above Qualifications You have successfully launched large consumer facing features driving meaningful outcomes at B2C companies You start with the consumer problem and have held a high bar for consumer experience You naturally gravitate towards using data to make strategic decisio

At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting people with inspiring experiences in fitness, wellness, and beyond. With popular brands like Mindbody and ClassPass, Playlist empowers businesses and individuals, making it effortless for aspirations to become actions. Join us in reshaping technology's role to foster meaningful, real-world connections. Mindbody equips wellness entrepreneurs with technology to support thriving businesses and create exceptional experiences. Innovation and curiosity drive our culture, connecting businesses and individuals through cutting-edge solutions. Join us if you're passionate about enhancing wellness through technology. About the job: We’re looking for a Sr. Copywriter to help define how we translate company-wide strategy and initiatives into compelling copy. As an integral member of the Creative and Marketing teams, the Sr. Copywriter represents our family of brands with every word, from acquisition emails to ad copy to developing overarching messaging systems. This is a hands-on position with a tremendous opportunity to shape the future of Playlist. Who you are: You can’t wait to dig into each new project. You research different ways to approach the brief, consult your AI assistants, come up with the best hooks, and craft on-brand copy that works. You have experience writing for everything from major marketing campaigns to in-product notifications to the opt-out language on a cookie pop-up. While you work, you collaborate and brainstorm with designers and other stakeholders to be sure the copy perfectly fits the placement and drives conversion. Responsibilities: Lead ideation on assigned projects, fostering creative collaboration and developing concepts and solutions that work. Craft copy across all mediums, including web, emails, ad campaigns, organic and paid social, one-pagers, pres

We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our global footprint, we're looking for passionate people to join our mission. If you're ready to help the world's best companies optimize their digital applications, we invite you to explore a career with us! We are a dynamic, rapidly growing SaaS company revolutionizing the Observability market. We are seeking a highly motivated, intellectually curious Senior Tax Accountant to join our Finance and Accounting team. This is not a "maintenance" role. As an early, pivotal hire for our tax function, you won’t just execute processes—you will help design and build the blueprint for our tax team from the ground up. If you love solving complex puzzles, rolling up your sleeves to build new workflows, and want a seat at the table as we scale, this role is for you. What You’ll Do The Senior Tax Accountant will be a foundational pillar of the company's tax function. You will balance technical execution (compliance, ASC 740, audits) with entrepreneurial project management. Co-Build the Function: Partner with finance leadership to establish, automate, and scale our internal tax processes and strategies as the company expands globally. Project Management: Act as the primary project manager for external tax advisors, ensuring deliverables (like federal, state, and international tax returns) are accurate and on schedule. Tax Close & Provisions: Own the quarter-end and annual tax provision process (ASC 740), prepare tax journal entries, and perform flux analyses with a keen eye for detail. Audit & Notice Ownership: Project-manage responses to tax audits and notices, proactively gathering documentation and resolving inquiries efficiently. Curiosity-Driven Special Projects: Lead research and e

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 Team Stitch Fix is transforming the way people find what they love, and enables our clients to be their best selves. Our Product and Technology teams have created unique, innovative software for our customers as well as employees in merchandising, styling, warehouse systems, and inventory management. We leverage data, personal stylists and user research to personalize our service and make smart bets. The result is a delightful offering for our customers and a successful business serving millions of women, men, and kids. We're looking for outstanding people to contribute to our evolution. About the Role As a Senior Product Manager for Financial Systems, you will play a pivotal role in shaping the product vision and roadmap for critical financial applications that underpin our operations. Reporting to the Sr. Director of Business Systems Product, you will drive initiatives that automate end-to-end financial processes, enhance data quality, and provide robust reporting and analytics. This role is pivotal in guiding the organization towards a modern, AI-ready financial technology landscape moving beyond traditional methods to unlock new capabilities. This role requires a strat

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . As the Senior User Researcher on the Advanced Trade team within the Consumer & Business group, you'll be the dedicated research voice for Coinbase's most sophisticated traders. The Advanced Trade team builds and improves trading experiences for high-volume, analytical traders, competing directly with top global exchanges. You'll generate deep user empathy through mixed-methods research, directly shaping roadmap prioritization, feature design, and scalable research programs that keep the entire team embedded in trader needs. What you’ll do: Lead the UX research function for the Advanced Trade team, partnering closely with Design, Product, and Data to turn user insights into actionable product ideas and measurable impact. Conduct mixed-methods research, including interviews, usability testing,

About the Team OpenAI Finance helps ensure the organization is set up for success in pursuit of its mission of ensuring that artificial general intelligence benefits all of humanity. Within Finance, the Technical Revenue team partners with Product, Strategic Partnerships, Business Development, Growth, Legal, Deal Desk, GTM, Strategic Finance, Revenue Accounting, and Finance Systems to enable scalable, audit-ready monetization. We advise on commercial and contract design, establish defensible accounting positions under ASC 606, and translate those conclusions into repeatable processes, systems, controls, and reporting. About the Role We’re looking for a Senior Manager of Revenue Accounting to lead revenue strategy and technical accounting for OpenAI’s strategic commercial deals. Reporting to the Head of Technical Revenue, you will serve as the primary revenue advisor for large, bespoke, and non-standard deals outside OpenAI’s standard product and service offerings. Your portfolio may include strategic collaborations, cloud marketplaces, platform and distribution deals, licensing and revenue-share models, joint go-to-market initiatives, research collaborations, and other emerging commercial structures. You will engage early in the deal lifecycle to help shape commercially viable, accounting-compliant, and operationally scalable outcomes. You will establish the accounting posture, identify required contract and product terms, define reporting and control requirements, and ensure that deal economics, billing flows, and revenue recognition remain aligned as the business evolves. This role requires strong technical accounting judgment, commercial fluency, executive communication, and the ability to create clarity and ownership in areas where precedent may not yet exist. 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 will: Own technical revenue accounti

About the Team OpenAI Finance helps ensure the organization is set up for success in pursuit of its mission of ensuring that artificial general intelligence benefits all of humanity. Within Finance, the Technical Revenue team partners with Product, Strategic Partnerships, Business Development, Growth, Legal, Deal Desk, GTM, Strategic Finance, Revenue Accounting, and Finance Systems to enable scalable, audit-ready monetization. We advise on commercial and contract design, establish defensible accounting positions under ASC 606, and translate those conclusions into repeatable processes, systems, controls, and reporting. About the Role We’re looking for a Senior Manager of Revenue Recognition to lead revenue strategy and technical accounting for OpenAI’s strategic commercial deals. Reporting to the Head of Technical Revenue, you will serve as the primary revenue advisor for large, bespoke, and non-standard deals outside OpenAI’s standard product and service offerings. Your portfolio may include strategic collaborations, cloud marketplaces, platform and distribution deals, licensing and revenue-share models, joint go-to-market initiatives, research collaborations, and other emerging commercial structures. You will engage early in the deal lifecycle to help shape commercially viable, accounting-compliant, and operationally scalable outcomes. You will establish the accounting posture, identify required contract and product terms, define reporting and control requirements, and ensure that deal economics, billing flows, and revenue recognition remain aligned as the business evolves. This role requires strong technical accounting judgment, commercial fluency, executive communication, and the ability to create clarity and ownership in areas where precedent may not yet exist. 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 will: Own technical revenue account

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About the Team The People Operations team owns the systems, processes, and programs that make the employee lifecycle run — from day one through every transition in between. We believe that clean data, simple workflows, and well-designed technology are what let the rest of the People & Talent function do its best work. About the Role We're looking for a People Operations Manager who can look at a messy, ambiguous problem and turn it into a clear plan — then execute it. Day-to-day, you'll own our HR technology stack, lead process transformation across the employee lifecycle, and serve as the go-to partner for Payroll, IT, Legal, and the broader People & Talent team when something needs to be built, fixed, or rethought. You'll work directly with vendors, HRBPs, and leadership to make sure our operations are scalable, compliant, and actually simple to use. In the first year, success means moving us from where we are to where we should be: better-configured systems, documented processes, and a team that trusts what's in our tools. Responsibilities Lead HR operations programs end-to-end — define scope, owners, milestones, risks, and success measures, often starting from an undefined brief. Serve as the primary functional owner for core People technology platforms (e.g., HRIS, ATS, LMS, performance tools), including configuration, upgrades, and feature evaluation. Lead technology deployments, platform conversions, and module rollouts, coordinating across IT, HRIS, and vendor teams. Research and benchmark HR technology trends to build and maintain a People tech roadmap that supports scale. Apply AI and e