🚀 Join the Future of Commerce with Whatnot!Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. Whether it's trading cards, fashion, electronics, or live plants, our sellers are building real businesses across hundreds of categories. We're building live commerce at a scale that's never been done in the West, and there's no playbook to copy. The people here are shaping how an entirely new industry develops. As a remote co-located team, we're inspired by our values and anchored in hubs across the US, UK, Ireland, Poland, Germany, and Australia. We move fast, stay close to our users, and focus on the work that drives the most impact. We're one of the fastest growing marketplaces and were recently named the #1 Best Startup Employer in America by Forbes. Check out the latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to turn their passion into a business and bring people together through commerce. 💻 RoleThe Trust and Risk, Fraud, and Integrity teams at Whatnot are responsible for building systems that help set clear expectations, encourage good behavior, and address issues fairly and efficiently. By combining proactive detection with transparent enforcement, we ensure Whatnot remains a safe and trustworthy place for both buyers and sellers.. We focus on: - Policy enforcement and dispute resolution: Designing systems that set clear behavioral expectations, detect and address policy violations, and resolve disputes efficiently. - Reusable, high-performance platforms: Building and maintaining scalable infrastructure that powers internal operations, automated and manual actioning systems, and advanced detection capabilities. - Intelligent detection and prevention: Leveraging machine learning, behavioral analysis, and real-time interventions to stay ahead of evolving abuse patterns and protect both buyers and sellers. - Continuous improvement: Using feedback loops and monitoring systems as managed assets for ongoing quality assurance and for strengthening algorithms, methodologies, and operational processes. Together, these teams ensure Whatnot remains a trusted, safe, and thriving marketplace for all users. What you'll do: - Design and develop systems to protect the platform: Build and iterate on production algorithms and infrastructures that mitigate systemic risks and safeguard buyers, sellers, and the broader Whatnot community. - Balance risk and user experience: Proactively monitor the impact of protective systems on trusted users, ensuring interventions deliver more value than friction. - Respond in real time to threats: Architect event-driven pipelines and detection frameworks that enable near real-time responses to high-risk user behavior. - Contribute across the full development lifecycle: Engage in ideation, scoping, prototyping, load testing, deployment, and monitoring to deliver resilient and scalable solutions. - Drive cross-team initiatives: Collaborate across multiple product surfaces and operational teams, surfacing insights to leadership and stakeholders through dashboards, notebooks, and clear written documentation. - Continuously evolve defenses: Stay ahead of emerging abuse patterns, abuse vectors, and account integrity risks by iterating quickly and rigorously testing solutions. We offer flexibility to work from home or from one of our global office hubs, and we value in-person time for planning, problem-solving, and connection. Team members in this role must live within commuting distance of our Seattle, New York City, San Francisco, or Los Angeles hub. 👋 YouPeople who do well at Whatnot tend to be comfortable figuring things out as they go, biased toward action, and genuinely curious about what they're building. They care more about outcomes than credit and stay close to the product and the people using it. As our next Software Engineer you should have 7+ years of total software engineering experience, plus: - Bachelor’s degree in Computer Science, Statistics, Applied Mathematics, Economics, a related technical field, or equivalent work experience. - 4+ years of software engineering experience building for consumer-scale loads. - 1+ years of experience writing production code in Python. - 1+ years of experience in Trust and Risk or Integrity or Fraud domains preferred. - Business intuition & a data-driven mindset that enables you to think critically about the growth headwinds abuse prevention systems can create. Explicit data science or machine-learning experience is a huge plus. - Obsession with impact. You are focused on driving value for users & have a track record of deploying simple solutions wherever feasible. You move as fast as possible without sacrificing quality. - Relentnessness & entrepreneurship. You prioritize your work ruthlessly & run through walls to get things done. Your curiosity drives you to dig into user problems & craft suggestions on how we can address them. - Ability to work autonomously and lead initiatives across multiple product areas and communicate findings with leadership and product teams. - Comfortability with data warehouses and transformation tools such as Snowflake, dbt, Dagster. - Professionalism around collaborating in a remote working environment and well tested reproducible work. - Above average documentation and communication skills. 🎁 Benefits - Generous Holiday and Time off Policy - Health Insurance options including Medical, Dental, Vision - Work From Home Support - Home office setup allowance - Monthly allowance for cell phone and internet - Care benefits - Monthly allowance for wellness - Annual allowance towards Childcare - Lifetime benefit for family planning, such as adoption or fertility expenses - Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally - Monthly allowance to dogfood the app - All Whatnauts are expected to develop a deep understanding of our product. We're passionate about building the best user experience, and all employees are expected to use Whatnot as both a buyer and a seller as part of their job (our dogfooding budget makes this fun and easy!). - Parental Leave - 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence. 💛 EOEWhatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

Vannevar is a defense technology company building AI to deter our adversaries. In the 21st century, conflict moves at algorithmic speed and foresight equals firepower. Our agentic AI is purpose-built to compete with China—from cross-Strait conflict to gray zone coercion. Trained on the most mission-relevant datasets in defense, our technology models adversary behavior, simulates campaigns, and recommends the best course of action to decision makers. Our AI systems are some of the most trusted in the industry and actively used on the front lines of the Indo-Pacific to keep the peace and save lives. Exceptional technology starts with exceptional people. Vannevar is a small agile team combining world-class engineers with veteran strategists who bring deep expertise in defense and tradecraft. We’re building a company defined by mission impact, user empathy, and disciplined growth. In just three years, we grew from $3M to $80M in ARR, achieved early profitability, and reached unicorn status—proving that disruption doesn’t require an ego, and staying power doesn’t mean standing still. About the roleSearch is at the heart of Vannevar’s flagship platform and agentic workflows. We are seeking a Senior Software Engineer, with substantial knowledge and passion for search and information retrieval, to drive innovation in this space. In this role, you will work directly with our ML and product teams to advance a state-of-the-art search system that fundamentally drives our users’ ability to surface mission critical information. What you'll do - Design and adapt the technical strategy for search within Vannevar’s products, including how we leverage full-text search, vector databases, LLMs, NLP, and relevance algorithms - Improve both search latency and relevance - Collaborate with product engineers, designers, and mission strategists to translate user needs into data-informed search innovations - Research and apply emerging technologies, trends and best practices in the search/information retrieval domain to improve index quality, freshness, and retrieval performance What we’re looking for - You have 7+ years of experience in backend software development, with 3+ years in search, information retrieval, or related fields - You have a passion for architecting, developing and deploying reliable, scalable, and performant systems - You have expertise in information retrieval, NLP, and machine learning. You have a deep understanding of concepts like indexing, ranking, query parsing, tokenization, and vector search. - You have hands-on experience with at least one major search engine (e.g., Elasticsearch, OpenSearch), and familiarity with search evaluation frameworks (e.g., precision, recall, NDCG). - You have excellent analytical, problem-solving, leadership, and communication skills. - U.S. Person status is required as this position will require the ability to access U.S. only data systems. What we offerCompetitive SalaryThe salary range for this position is $150,000 - $215,000 + equity. Within the range, individual pay is determined by experience, relevant education, and/or training. Comprehensive BenefitsWe’re proud to offer competitive benefits that support our employees. Some key highlights of our benefits package include: - Health, dental, and vision insurance - Remote friendly with WeWork access - Unlimited PTO, shared downtime during the federal holiday calendar, and company-wide off time at the end of each year - 401(k) match - Lifestyle & wellbeing stipends - Salary top-up during military reserve duty - Fully paid parental leave - Child and pet care reimbursement during travel Vannevar is an equal opportunity employer, and qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. We encourage candidates from all backgrounds to apply, even if you don't feel like you're a perfect fit. If you're passionate about contributing to our mission, we'd love to hear from you! IMPORTANT NOTICE We are committed to protecting the privacy of all applicants. Official emails from the company will come from an @vannevarlabs.com domain. Under no circumstances will a legitimate representative from our company contact you to request passwords, financial information, or other sensitive personal data. Please be vigilant of potential scams.

Dandy is transforming the massive and antiquated dental industry—an industry worth over $200B. Backed by some of the world’s leading venture capital firms, we’re on an ambitious mission to simplify and modernize every function of the dental practice through technology. As we expand our reach globally, Dandy is building the operating system for dental offices around the world—empowering clinicians and their teams with technology, innovation, and world-class support to achieve more for their practices, their people, and their patients. About the Role Dandy is looking for a world class Staff Software Engineer to lead software development for our next-generation Special Purpose Machines (SPM) for manufacturing custom-made prosthetics. This role will be a key member of the EPD Manufacturing team, driving the development and integration of new machines and processes needed to power Dandy’s rapid growth. This role will require heavy travel (50%) to our Indianapolis location. What You’ll Do - Act as overall owner for the SCADA layer of Dandy’s machines, as well as technical point of contact both internally and externally for Dandy’s communication and control architecture. - Collaborate with internal engineering teams and 3rd-party integrators to build and ramp machines from initial POC to high volume production. - Define and lead implementation of a standardized platform for all of Dandy’s machine software that supports testing, observability, release, and more. - Perform hands-on work with full-scale production equipment, from initial commissioning to mass production and ramp. - Collaborate with broad range of technical expertise throughout the company What We're Looking For - 8+ years of software engineering experience, preferably in a high growth startup. - Substantial experience in manufacturing software, including SCADA (ideally, Ignition) and PLC programming. - Working knowledge of dev-ops and full-stack development. - Self-motivated and self-managing, with excellent communication and organizational skills. Why Apply? - We move fast. Have the ability to see your projects go from initial concept to implementation at scale in weeks not years - Redefine an industry: be on the forefront of new technologies, materials, and equipment that define future state of the dental industry Req ID: J-999 For full-time positions, Dandy offers a wide range of best-in-class, comprehensive, and inclusive benefits tailored to each country where we operate. Our local benefits packages typically include healthcare, dental, mental health support, parental planning resources, retirement savings options, and generous paid time off—ensuring our team members are supported no matter where they live and work. Dandy is proud to be an equal-opportunity employer. We are committed to building a diverse and inclusive culture that celebrates authenticity to win as one. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, disability, protected veteran status, citizenship or immigration status, or any other legally protected characteristics. Dandy also fully complies with the Americans with Disabilities Act (ADA). We are dedicated to embracing challenges and creating an accessible, inclusive workplace for all individuals. If you require any accommodations for your interview or have any questions beforehand, rest assured that we will do everything we can to meet your needs. Visit Dandy Careers for more! Data Privacy Notice: By submitting your application, you consent to Dandy collecting, storing, and processing your personal information for recruitment purposes in accordance with our Privacy Policy and GDPR regulations. You have the right to access, rectify, or request the deletion of your data at any time by contacting Privacy Requests.

Dandy is transforming the massive and antiquated dental industry—an industry worth over $200B. Backed by some of the world’s leading venture capital firms, we’re on an ambitious mission to simplify and modernize every function of the dental practice through technology. As we expand our reach globally, Dandy is building the operating system for dental offices around the world—empowering clinicians and their teams with technology, innovation, and world-class support to achieve more for their practices, their people, and their patients. About the Role Dandy is hiring Senior Software Engineers to join our rapidly scaling technology organization. In the role you'll be challenged to learn new technologies, given the freedom to solve problems on your own, and will learn by doing. We are creating next-generation experiences across the evolving Dandy Supply Chain stack. This is the backbone of the manufacturing side of the business, responsible for helping plan, route, organize and deliver on the world’s largest custom manufacturing business. As a Senior Software Engineer, you will be key to the development of this platform. Relevant technologies: TypeScript, NodeJS, NestJS, React/Redux, PostgreSQL, GCP, GraphQL What You'll Do - Develop features and improvements to Dandy’s products in a secure, well-tested, and performant way. - Collaborate with Product Management and other stakeholders within the tech org to maintain a high bar for quality in a fast-paced, iterative environment. - Develop order routing logic to deliver the correct order at the correct time to the right node in the chain. - Partner with manufacturing automation on projects such as CAD -> CAM automation. - Support the ability to provide the business with real-time data on the status of an order. - Build rules and software capabilities smooth demand and overall dynamics of the system to optimize workloads. What We're Looking For - 6+ years of full stack software engineering experience, preferably in a high growth startup environment. - Substantial experience with backend asynchronous systems. - Experience with logistics and operational domains. - Experience with large and complex production systems. - Strong ability to operate with minimal oversight. - Ability to understand how our business functions and how challenges and bottlenecks can be addressed through the Engineering team. - A collaborative, pragmatic, and growth-oriented mindset. We are a small but mighty team and everyone must be aligned on our goals. - The ability to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose thorough iterative solutions. - Experience with performance and optimization problems and a demonstrated ability to both diagnose and prevent these problems. - Comfort working in a highly agile, intensely iterative software development process. - Effective communication skills: Regularly achieve consensus with peers and clear status updates. - Experience owning a project from concept to production, including proposal, discussion, and execution. - Self-motivated and self-managing, with excellent organizational skills. - Ability to thrive in a remote-first organization. Bonus Points For - Experience with TypeScript - Time spent at a venture-backed startup during hyper-growth Req ID: J-275 For full-time positions, Dandy offers a wide range of best-in-class, comprehensive, and inclusive benefits tailored to each country where we operate. Our local benefits packages typically include healthcare, dental, mental health support, parental planning resources, retirement savings options, and generous paid time off—ensuring our team members are supported no matter where they live and work. Dandy is proud to be an equal-opportunity employer. We are committed to building a diverse and inclusive culture that celebrates authenticity to win as one. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, disability, protected veteran status, citizenship or immigration status, or any other legally protected characteristics. Dandy also fully complies with the Americans with Disabilities Act (ADA). We are dedicated to embracing challenges and creating an accessible, inclusive workplace for all individuals. If you require any accommodations for your interview or have any questions beforehand, rest assured that we will do everything we can to meet your needs. Visit Dandy Careers for more! Data Privacy Notice: By submitting your application, you consent to Dandy collecting, storing, and processing your personal information for recruitment purposes in accordance with our Privacy Policy and GDPR regulations. You have the right to access, rectify, or request the deletion of your data at any time by contacting Privacy Requests.