Y Combinator jobs

Machine Learning Engineer II - Core AI/ML Burnaby, British Columbia, Canada Burnaby, British Columbia, Canada

Tech Lead Finto HQ, Munich | OnSite About Finto Finto is on a mission to reinvent how enterprises run their finance operations. Starting with AI-powered automation for accounts payable, we eliminate manual invoice handling, supplier chasing, 3-Way-Matching and ERP data entry. Backed by Y Combinator, we're building the future of enterprise accounting. Our mission is to free the world's finance teams from repetitive, low-value tasks so they can focus on impactful work. That starts with building a place where everyone can do their best work. Whether you're building on our platform, partnering with our customers, or shaping our story: We just make things finance teams want. About the role We are looking for a Tech Lead to own the technical direction of our platform and grow with us as the engineering team scales. You'll combine deep hands-on engineering with architectural leadership - setting the standard for how we build, ship, and operate AI-powered finance software at enterprise scale. You'll work directly with our CTO and founding team to make the critical technical decisions that define our product and platform. This is not a management-only role - you'll write code, shape architecture, mentor engineers, and drive the technical roadmap. We're headquartered in Munich, with roots in San Francisco through Y Combinator. What you'll do - Own architecture and technical direction across our platform - from AI pipelines and ERP integrations to frontend and infrastructure. - Build and ship production features end-to-end, setting the bar for quality, speed, and reliability. - Drive

Software Algorithm Engineer 2 Locations posted: Posted Yesterday

Product Designer NYC Head Office | OnSite ABOUT THE ROLE: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. We're now looking for a Product Designer to lead and scale our design efforts across our three core verticals: Cards, Bill Pay, and Treasury. WHAT YOU'LL DO: - Own the design system that supports rapid development across all product verticals, ensuring visual and interaction consistency. - Design end-to-end user experiences across Cards, Bill Pay, and Treasury-from ideation and wireframes to high-fidelity mockups and developer handoff. - Collaborate cross-functionally with product managers, engineers, and other stakeholders to bring high-impact features to life. - Evolve Parker's design identity by extending existing patterns thoughtfully, not reinventing them. - Establish and maintain scalable Figma libraries and documentation for efficient design iteration. - Advocate for UX excellence, proactively identifying opportunities to simplify workflows and improve usability across the platform. - Contribute

Algorithm Engineer Leuven, Belgium posted: Posted 30+ Days Ago

Account Executive NYC Head Office | Hybrid | Remote About The Role: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. As an Account Executive (AE) at Parker, you will be responsible for owning the entire sales cycle-from discovery to close-while ensuring a seamless onboarding experience and fostering long-term client relationships. You will also engage in outbound prospecting, manage your sales pipeline, and collaborate cross-functionally to help clients maximize their financial potential with Parker's solutions. What You'll Do: Sales & Account Management: - Lead discovery calls to understand prospects' pain points and position Parker's value - Guide customers through the application and onboarding process with clarity and care - Foster long-term client relationships, helping them scale spend and usage with Parker - Provide ongoing account support to ensure satisfaction and retention Pipeline & Performance Management: - Maintain accurate records in our CRM (Hubspot), ensuring pipeline

Machine Learning Engineer UK_London2 posted: Posted 30+ Days Ago

Sales Development Representative NYC Head Office | Hybrid | Remote About The Role: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. As a Sales Development Representative, you'll be on the front lines of our outbound sales efforts. You'll be responsible for identifying and engaging high-potential prospects across multiple channels, qualifying leads, and setting up meetings for our Account Executives. This is an entry-to-growth level role with fast-track potential into AE, Partnerships, or Customer Success. What You'll Do: - Outbound Prospecting & Lead Generation - Execute high-volume outreach via: - Cold/warm email campaigns - SMS follow-ups and cold calling - LinkedIn and social media engagement - Research, identify, and prioritize high-fit leads in ecommerce and DTC - Use automation tools to streamline your workflow and maximize productivity - Lead Qualification & Handoff - Run initial discovery conversations to assess prospect fit - Book and confirm

Machine Learning Engineer - Sr. Consultant Level US - Austin, TX posted: Posted 30+ Days Ago

Senior Product Manager NYC Head Office | OnSite ABOUT THE ROLE: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. The Cards product is Parker's flagship offering - the backbone of how our customers spend, earn, and manage their businesses. As Senior Product Manager, Cards, you'll own the roadmap and execution for new card and expense management experiences, while improving the core customer journey around daily spending. You'll collaborate closely with engineering, design, and risk to scale our platform for Parker's next phase of growth. You'll sit at the intersection of product strategy, systems design, and payments infrastructure - turning customer insights into elegant, reliable, and scalable solutions that power how modern businesses spend every day. WHAT YOU'LL DO: - Lead the strategy, roadmap, and delivery for Parker's card and expense management products (virtual and physical). - Build and enhance the daily spend experience -

Machine Learning Engineer 2 Locations posted: Posted 4 Days Ago

Brand and Content Lead NYC Head Office | Hybrid | Remote About The Role: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. As Brand & Content Lead, you'll build Parker's voice from the ground up. Digital-first online brands spend before they earn - on ads, inventory, and vendors - and most financial tools weren't built for that reality. Parker was. We're the only finance platform giving brands true rolling 60-day terms on every transaction, plus bill pay, treasury, and real-time profitability in one place. Now we need someone to tell that story - across every channel, in every format, to every founder and finance leader who needs to hear it. What You'll Do: - Own Parker's content strategy end to end - blog, newsletter, social, and video - building the system that turns our product advantages into a brand people actively seek out -

Senior Machine Learning Engineer 2 Locations posted: Posted 30+ Days Ago

Credit Analyst Manager NYC Head Office | OnSite ABOUT THE ROLE: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. We're now scaling our credit operations and looking for a sharp, thoughtful, and experienced Credit Analyst Manager to help us evaluate business creditworthiness and support disciplined portfolio growth. As a Credit Analyst Manager at Parker, you'll lead and evolve Parker's underwriting operations. You'll own credit policy, streamline processes, and help us strike the right balance between risk and growth. If you're passionate about credit risk, data-driven decisioning, and enabling customers through smarter finance - this role is for you. WHAT YOU'LL DO: - Lead the credit analyst team for new and existing applicants across Parker's corporate card and lending products. - Refine and maintain credit policies, approval thresholds, and risk segmentation logic. - Analyze financials, bank data, and alternative data sources to assess creditworthiness. -

Machine Learning Engineering Manager 14 Locations posted: Posted Yesterday

Senior Product Designer NYC Head Office | OnSite ABOUT THE ROLE: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. We're now looking for a Senior Product Designer to lead and scale our design efforts across our three core verticals: Cards, Bill Pay, and Treasury. WHAT YOU'LL DO: - Own the design system that supports rapid development across all product verticals, ensuring visual and interaction consistency. - Design end-to-end user experiences across Cards, Bill Pay, and Treasury-from ideation and wireframes to high-fidelity mockups and developer handoff. - Collaborate cross-functionally with product managers, engineers, and other stakeholders to bring high-impact features to life. - Evolve Parker's design identity by extending existing patterns thoughtfully, not reinventing them. - Establish and maintain scalable Figma libraries and documentation for efficient design iteration. - Advocate for UX excellence, proactively identifying opportunities to simplify workflows and improve usability across the platform.

Mathematics Specialist (Fluent in Japanese) - Freelance AI Trainer Project Japan Are you a mathematics expert fluent in Japanese, eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow's AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline academic work for students and professionals everywhere. That training data begins with you-we need your expertise to help power the next generation of AI. We're looking for mathematics specialists who live and breathe algebra, calculus, number theory, linear algebra, differential equations, statistics, geometry, mathematical logic, and discrete mathematics. You'll challenge advanced language models on topics like real and complex analysis, optimization theory, mathematical proofs, set theory, probability distributions, cryptographic algorithms, and applied mathematics-documenting every failure mode so we can harden model reasoning. On a typical day, you will converse with the model on classroom problems and theoretical mathematics questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics. A master's or PhD in mathematics or a closely related quantitative field is ideal; peer‑reviewed publications, teaching experience, research in pure or applied mathematics, or hands‑on experience with mathematical modeling signal fit. Clear, metacognitive communication-“showing your work”-is essential. Ready to turn your mathematics expertise into the knowledge base for tomorrow's AI? Apply today and start teaching the model that will teach the world. We offer a pay range of $6-to‑$65 per hour, with the

Collections Specialist NYC Head Office | OnSite ABOUT THE ROLE: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by giving independent business owners the financial tools they need to scale profitably. Our core product combines a virtual corporate card with dynamic spending limits and profitability-focused software tooling-empowering eCommerce merchants to grow faster while staying in control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly, with strong product-market fit and accelerating demand. We're looking for a Collections Specialist to own and scale Parker's commercial collections function. You'll lead the strategy and execution to minimize delinquency, maximize recoveries, and preserve positive customer relationships. This role blends portfolio analytics, hands-on negotiations, and cross-functional collaboration with our Risk, Legal, and Customer teams. WHAT YOU'LL DO: - Own the collections strategy for Parker's lending portfolio (corporate cards, working capital lines, term loans) - Monitor delinquency metrics daily, identify high-risk accounts, and drive targeted outreach - Negotiate repayment plans, settlements, and restructures aligned with our risk appetite - Partner with Risk, Underwriting, and Customer Success to identify and address early warning signs - Ensure compliance with commercial debt collection laws, UCC lien processes, and contractual obligations - Collaborate with legal on enforcement, litigation,

Senior Machine Learning & AI Engineer Bristol posted: Posted Today

Senior Software Engineer - Backend NYC Head Office | OnSite ABOUT THE ROLE: Parker's mission is simple but ambitious: to increase the number of financially independent people. We believe the best way to achieve this is by equipping independent business owners with the financial tools they need to scale profitably. Our core product combines a virtual corporate card with profitability-focused financial software, empowering eCommerce merchants to grow faster while maintaining control of their margins. We've raised over $180M in equity and debt from world-class investors, including Valar Ventures, Y Combinator, SVB, and notable founders such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound). We're a Series B fintech scaling rapidly with strong product-market fit, a growing customer base, and a team driven by technical excellence and real-world impact. We're looking for a Senior Software Engineer - Backend to design, build, and scale the foundational systems that power Parker's financial platform. You'll play a key leadership role in shaping backend architecture, data infrastructure, and engineering best practices as we grow. You'll collaborate closely with Product, Infrastructure, and Data teams to deliver performant, reliable systems that process billions in transactions and empower thousands of merchants. This is a high-impact role suited for engineers who thrive on ownership, enjoy tackling complex systems challenges, and value elegant, maintainable solutions. WHAT YOU'LL DO: - Design and scale backend services that power Parker's financial products and APIs. - Lead architectural decisions to ensure performance, reliability, and scalability across our

Data Engineer – Platform ESS Bogotá, , Colombia Company Description: Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments. We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com. Job Description: Propósito del cargo: Diseñar, desarrollar y mantener sistemas y procesos de ingeniería de datos que garanticen la ingesta, transformación, almacenamiento y disponibilización eficiente de la información para el DA HUB de SPLatam . Este rol es clave para habilitar plataformas analíticas en la nube, asegurar la calidad del dato y promover prácticas innovadoras que impulsen la transformación digital y la democratización del dato en la región. Las principales funciones del área: Diseño e implementación de procesos relacionados con Ingeniería de Datos tales como: La definición e implementación del flujo de datos La exploración de datos Optimización / Automatización de Procesos/Rutinas que generen

Machine Learning Engineer San Jose posted: Posted 8 Days Ago

Controller New York, NY Swayable is in office 3x a week out of our Williamsburg, NY location About Swayable: Swayable is a fast-growing AI and automated data science platform that measures public opinion and the impact of messages and advertising content on it. We are a 40-person team backed by top technology and social impact investors, including Y Combinator. Founded in 2018 by physics PhDs, it is led by the former Executive Director for Digital Strategy at the New York Times. Clients include major consumer-facing brands (American Express, Airbnb, Paramount Pictures), technology companies (Anthropic, Meta, Amazon), academic researchers (MIT, Yale, Stanford) and mission-aligned civic advocacy campaigns (e.g. on climate, human rights and elections). Joining Swayable means being on a team whose work changes the course of history. The technology we develop is at the leading edge of transforming some of the world's most important campaign organizations and enterprises: combatting disinformation, protecting democracy, and supporting the sustainable growth of consumer-facing brands. About The Role: We're hiring a Controller to own the financial operations of a 50-person, venture-backed SaaS company. You'll be responsible for the integrity of our books, the accuracy of our financial reporting, and the day-to-day execution of our accounting function. This role reports to the Head of Finance. We work with an external accounting team that handles AR/AP, sales tax, and portions of month-end close - your role is to own and review their output, prepare adjusting entries and accruals, and ensure everything closes accurately and on time. This

Forward Deployed Engineer New York City | OnSite ABOUT SOLVA Solva is building AI for insurers to transform an $8 trillion industry, starting with claims. We're backed by $6m from First Round, Y Combinator, SV Angel and angel investors, including Paul Graham, that have funded companies such as OpenAI, Google, Stripe, Anthropic, Databricks and Github. We have an advisory board of experienced insurance executives and founders. Our team was previously part of building Europe's fastest growing InsurTech and founded a licensed EU bank processing payments of €1B/yr+. Now we are taking on one of the world's largest industries and rebuilding it from the ground up with AI. Solva is a Y Combinator S25 company and has emerged as one of the fastest growing and best-funded startups. ABOUT THE ROLE As a Forward Deployed Engineer at Solva you will work directly with customers and our product team to bring our AI systems into real claims environments. This role sits at the intersection of engineering, product and customer operations. You will apply your technical skills to understand workflows, data and requirements from insurers and turn them into production critical solutions. On a day to day basis you will build integrations, processing pipelines, refine how our product behaves in specific customer setups and help solve real world problems with AI and data. You will see the full picture from customer requirements to shipped solutions and you will take charge and exercise ownership of your part of the delivery. This role is suited for