Ex-Founder at Sully.ai | Bay Area

About Sully.aiAt Sully.ai, we are dedicated to transforming healthcare through innovative technology. Our goal is to ensure that every individual has access to top-tier medical professionals, as we believe that quality healthcare is a fundamental human right.Currently, the healthcare system is burdened by delays, misdiagnoses, and overwhelming administrative…

About Retell AIAt Retell AI, we are pioneering the transformation of call centers utilizing groundbreaking voice AI technology founded on first principles.In just 18 months since our inception, we have empowered thousands of businesses to leverage Retell's AI voice agents for sales, support, and logistics calls, significantly reducing the need for extensive human teams. Supported by distinguished investors including Y Combinator and Alt Capital, we have achieved remarkable growth, scaling from $5M to $36M ARR with a dedicated team of 20.Looking ahead to 2026, our ambition is to develop a state-of-the-art customer experience platform that fully harnesses AI to operate entire contact centers. Rather than simple automation requiring constant human oversight, we are building intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managers, continuously optimizing customer interactions.As we expand rapidly, we are on the lookout for innovative minds eager to tackle challenging technical problems, move quickly, and make a meaningful impact at one of the fastest-growing voice AI startups.Join us in shaping the future.Featured among the top 50 AI apps in a16z's list: https://tinyurl.com/5853dt2xRanked #4 on Brex's list of Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Recognized as a top startup on: https://leanaileaderboard.com/

About TomaAt Toma, we are revolutionizing the automotive industry with our innovative AI-driven workforce tailored to the $2 trillion market.Our diverse team, comprising talents from esteemed organizations like Scale AI, Uber, Braze, Columbia, Berkeley, and Waterloo, has immersed itself in the dealership ecosystem to gain critical insights.We have developed a proprietary voice AI and workflow orchestration platform, achieved a remarkable growth of $100K ARR month-over-month through organic referrals, and secured investment from some of Silicon Valley's most influential investors as we strive to establish the world's first 'ghost dealerships.'

About UsAt Sully.ai, we are on a mission to transform healthcare into a system where every individual has seamless access to exceptional medical care.We recognize that access to a qualified physician is a fundamental human right, yet many face challenges such as long wait times, misdiagnoses, administrative burdens, and clinician burnout.Our Mission: One Human, One Doctor. We develop AI-powered solutions that enhance the capabilities of healthcare professionals—ranging from scribes and nurses to receptionists and translators—utilizing our proprietary models in real-world clinical settings.Our Achievements:Over 450 organizations onboarded in just 16 months.Our AI agents save approximately 2.8 hours of administrative work daily and streamline onboarding processes by 85%.More than 5 million clinical tasks completed across 36+ specialties.Successfully raised $25 million from prominent investors including Y Combinator, Eric Yuan, Amity, and Semper Virens.Our patented AI architecture, MedCon-1, significantly outperforms competitors like GPT-4.5, Gemini, and Claude in clinical reasoning tasks.At Sully, we seek top-tier talent capable of delivering a year’s worth of work within just four months.About the RoleWe are looking for a Senior Technical Product Manager to take ownership of our technical product roadmap—from agentic workflows to clinical-grade infrastructure—collaborating closely with our engineering teams. We need someone who can quickly deliver measurable enhancements in inference speed, accuracy, and workflow automation.Key ResponsibilitiesDevelop a profound understanding of our product and ensure that all team members can articulate the rationale behind our product features.Convert vague concepts into defined product goals, success metrics, and technical specifications.Work closely with engineering, machine learning, and design teams to ensure swift and high-quality product execution.Maintain comprehensive documentation of core product features, architecture, dependencies, and decision-making processes.Establish and uphold a singular source of truth for product specifications, roadmaps, and priorities.Collect and analyze customer workflows and feedback to guide product evolution.Make prompt trade-off decisions and engage relevant stakeholders as necessary.

Please read firstThis is a full-time, in-person role based in San Francisco (Presidio) - we work from the office 5 days a week.Candidates must be based in the Bay Area or willing to relocate prior to starting.We require US work authorization, with the option for O-1 visa sponsorship for exceptionally qualified individuals.Join us as an ex-YC Founder at wordwareAbout Us: At wordware.ai, we understand that not every venture goes as planned. We're on the lookout for passionate founders who still possess the entrepreneurial spirit and are eager to join a burgeoning company where exciting developments are already underway.The Opportunity: With 400k sign-ups and the largest seed funding from Y Combinator at $30 million, we are pioneering a new frontier in natural language AI development. We seek individuals who know the ins and outs of building something monumental. If you've faced the challenges of entrepreneurship, we invite you to help us navigate our path.The Vision: Our target isn't just traditional developers; we aim to empower the next 500 million people who will engage with technology using plain English—lawyers, designers, product managers, founders, and domain experts from all fields. Opportunities like this are rare.Your Profile:You have experience running a YC-backed company.You understand what strategies succeeded and what didn't.You have the ambition to build something significant.You can adapt to various roles within the company.You possess knowledge of both technical and business aspects.P.S.: We are supported by Spark Capital, Felicis, and Y Combinator ($30 million seed—largest from YC), yet we operate with the agility of a startup. Be among the first to demonstrate how to create with AI in simple English.

About UsAt Sully.ai, we are on a mission to revolutionize healthcare and ensure that every individual has access to high-quality medical care. Despite the challenges of bureaucracy, misdiagnoses, and clinician burnout, we believe that having a great doctor is a fundamental human right.Our Mission: One Human, One Doctor. We are developing AI-driven teammates to support healthcare professionals, including scribes, nurses, receptionists, and translators, utilizing our proprietary models to enhance real-world medical services.Our AchievementsOver 450 organizations onboarded in just 16 months.AI solutions save approximately 2.8 hours of administrative work daily and decrease onboarding time by 85%.More than 5 million clinical tasks completed, serving over 36 medical specialties.Successfully raised $25 million from notable investors including Y Combinator and Eric Yuan.Our patented AI architecture (MedCon-1) has been shown to outperform competitors such as GPT-4.5 and Gemini in clinical reasoning tasks.At Sully.ai, we seek high-performing individuals who can produce in four months what others take a year to achieve.

Role overview wispr-flow is looking for someone with founder experience to help define the company’s direction and drive growth. This position is based in San Francisco and centers on hands-on leadership and strategic input, drawing from a background in building and running startups. What you will do Use entrepreneurial experience to shape company strategy and day-to-day execution Work closely with the leadership team to guide the next stage of growth Apply a founder’s mindset to solve problems and make decisions Requirements Experience as a founder or co-founder of a startup Comfort working in a high-energy, changing environment Willingness to contribute vision and leadership to a growing team Location This role is onsite in San Francisco.

Join our innovative team as an Engineer at leverdemo-8! This role is part of our ongoing efforts to enhance Lever's testing environment. Please note, this posting is for testing purposes only and not for actual recruitment.At Lever, we are dedicated to revolutionizing the recruitment and hiring process, providing cutting-edge software solutions to industry leaders like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify. As we continue to grow, we seek talented individuals who are passionate about transforming talent acquisition. Lever has been recognized as the #1 workplace in San Francisco and a top employer across the United States. Our team, known as 'Leveroos', is our most valuable asset, and we are committed to fostering a people-first culture that prioritizes the well-being and growth of our employees.

About Arize AIIn a world where artificial intelligence is evolving at an unprecedented pace, Arize AI stands at the forefront, revolutionizing how AI systems are monitored, troubleshot, and optimized. As the premier platform for AI and Agent Engineering observability, we equip AI engineers with the tools they need to deliver high-performing, reliable agents and applications. From initial prototypes to full-scale production, Arize AX consolidates the build, test, and run processes into a single cohesive workspace, allowing teams to deploy with speed and assurance.As a proud Series C company, we are backed by elite investors with over $135M in funding, and a rapidly expanding clientele that includes 150+ leading enterprises and Fortune 500 companies. Our esteemed customers, such as Booking.com, Uber, Siemens, and PepsiCo, trust Arize to ensure their AI solutions deliver optimal results.The TeamOur engineering team is tasked with building systems that interact with some of the most intricate software ever deployed in production. Comprising seasoned industry veterans, our team has a wealth of experience in various domains, including deep learning infrastructure, autonomous drones, ridesharing marketplaces, and ad technology.We are in search of a dynamic, client-focused Account Executive with an entrepreneurial spirit to identify, secure, and nurture new customer relationships. Engaging actively within the AI/ML community, you will pinpoint prospects who stand to gain the most from our offerings. Your role will involve executing a strategic outreach plan, engaging with AI/ML leaders, uncovering opportunities for collaboration, and crafting tailored solutions to help them succeed. You will navigate exciting and complex sales cycles, leveraging your business insight to handle the nuances of the sales process.

About UsAt Sully.ai, we are dedicated to transforming healthcare into a more accessible and efficient system for everyone.We firmly believe that having access to a great doctor is a fundamental human right. Unfortunately, the current healthcare landscape is riddled with delays, misdiagnoses, administrative burdens, and clinician burnout.Our Mission: One Human, One Doctor. We create AI-driven assistants that support healthcare professionals — including scribes, nurses, receptionists, and translators — utilizing our proprietary, state-of-the-art models deployed in real-world clinical settings.Our AchievementsOver 450 organizations have partnered with us in just 16 months.Our AI agents save approximately 2.8 hours of administrative work daily and reduce onboarding time by 85%.We have successfully completed over 5 million clinical tasks across 36+ specialties.Secured $25 million in funding from renowned investors including Y Combinator, Eric Yuan, Amity, and Semper Virens.Our patented AI architecture, MedCon-1, demonstrates superior performance over GPT-4.5, Gemini, and Claude in clinical reasoning tasks.At Sully, we seek high-performing individuals capable of delivering outputs that exceed expectations.About the RoleWe are looking for a Head of Product to spearhead a specific Agent, driving Sully.ai's product roadmap from conception to completion while aligning with our mission and growth objectives. You will oversee discovery, design, and delivery throughout the entire product lifecycle, collaborating closely with Engineering, Data Science, Sales, and Marketing to translate customer insights into impactful features that address pressing healthcare challenges.Key ResponsibilitiesLead a specific Agent to implement Sully.ai’s product roadmap, ensuring alignment with our mission and growth targets.Drive the discovery, design, and implementation of features that address critical healthcare issues.Collect and transform customer feedback into meaningful product improvements.Collaborate with Engineering, Data Science, Sales, and Marketing teams to expedite execution.Manage the entire product lifecycle from ideation to scaling.Essential QualificationsDemonstrable track record in product management with a focus on healthcare technology.Experience in leading cross-functional teams to deliver high-quality products.Strong analytical skills to derive insights from data and customer feedback.Ability to thrive in a fast-paced environment and manage multiple priorities.Exceptional communication skills, both verbal and written.

About DelphinaAt Delphina, we recognize the pain points that data scientists face today, often bogged down by the manual processes of data wrangling, model building through tedious trial and error, and cumbersome deployment rewrites. Many of the tools currently in use, such as Jupyter notebooks and Pandas, are over a decade old and inadequate for modern needs.Our mission is to revolutionize data utilization, empowering users to better understand the present and predict the future. Delphina serves as an AI Agent for Data Science, utilizing generative AI, large-scale optimization, and specialized infrastructure to automate essential, yet time-consuming tasks necessary for rapid model development. Our solution identifies relevant data, cleans it, trains models, and even automates the deployment of pipelines.Our team comprises seasoned professionals who have previously led substantial data science and machine learning initiatives, built successful startups, and created impactful tools for enterprise ML.We're supported by leading AI investors, including Fei-Fei Li, Radical VC, and Costanoa VC.What You’ll DoWe are seeking a talented Backend Software Engineer to join us as a founding team member at Delphina.As a key early hire, you will collaborate closely with our initial team to define product direction and make pivotal technical decisions, significantly influencing our technology, product, and company culture.Your responsibilities will include:Designing, developing, and deploying the systems and services that power our platform.Collaborating with a cross-functional team of scientists, researchers, and engineers to transform the landscape of machine learning.Ensuring our systems are reliable, secure, and deserving of our customers' trust.What We’re Looking ForExperience in leading and building production systems to achieve significant product goals.Proficiency in at least one backend programming language, such as Go, Python, Scala, or Java.A strong drive and ambition to create a product that exceeds expectations in innovative ways.A natural inclination towards continuous improvement of both our product and your own skills, embodying a growth mindset.

Location: Remote (United States or Canada)Type: US - Full time; Canada - Independent ContractorAbout humanagencyAt humanagency, we are on an exciting trajectory of rapid growth, driven by a robust pipeline of opportunities that calls for extraordinary talent across various disciplines. Our commitment is to attract exceptional individuals—from creative producers to technical experts and entrepreneurial leaders—who will help us navigate this pivotal phase of advancement.We pride ourselves on being a hands-on organization. Leaders actively engage in the work, teams collaborate seamlessly, and every team member plays a role in delivering results. Here, titles do not shield anyone from constructive feedback or the fundamentals of our work. We welcome critique, learn swiftly, and continuously strive for excellence. The best ideas prevail, regardless of their source, as our clients rely on us to achieve outstanding outcomes consistently.Our clients' missions, products, and financial performance are our utmost priority. We immerse ourselves in their operations, acting as guardians of their objectives and partners in addressing significant challenges. Every product, strategy, or asset we develop must be not only aesthetically pleasing but also functional, practical, and designed for tangible impact.Our greatest asset is our people, and our growth hinges on hiring individuals who propel us forward. Across strategy, engineering, design, data, and operations, we seek colleagues who elevate our standards and enhance our capabilities. We are dedicated to hiring up, never down.We collaborate with organizations of all sizes to investigate, design, and execute AI strategies that are secure, scalable, and human-centric. We believe that AI should enhance human potential rather than replace it, and we implement this philosophy in every engagement. From advisory services and tools to implementation and education, we meet our clients where they are and assist them in integrating AI in ways that align with their missions and values. Our aim is to empower teams to work more intelligently, accelerate their efforts, and unlock new possibilities through thoughtful, responsible innovation.Throughout our journey, we lead with purpose, passion, and a sense of adventure. We engage in meaningful work with individuals we value, making the journey an adventure worth undertaking. At humanagency, our identity and our work are intricately linked.The OpportunityThis role transcends traditional sales approaches. We are not reaching out to mid-level executives to sell standardized service offerings. Instead, we are becoming the AI entrepreneurs embedded within the leading corporations in America—trusted partners with the autonomy to shape the future of their businesses.This necessitates access at the ownership level. It requires a foundation of trust built over years. It necessitates a network of relationships at the pinnacle of the market—founders, family office principals, private equity partners, and executives who wield control over capital allocation and strategic direction. You possess that network. You unlock the doors. Together, we drive success.

About UsAt Sully.ai, we are on a mission to revolutionize healthcare with the most powerful AI solutions in the industry.We firmly believe that everyone should have access to outstanding medical care. Unfortunately, the current system is riddled with delays, incorrect diagnoses, administrative inefficiencies, and clinician fatigue.Our Mission: One Human, One Doctor. By developing AI tools that enhance the capabilities of healthcare professionals—such as scribes, nurses, receptionists, and translators—we are transforming patient care through our proprietary models.Our AchievementsOver 450 organizations partnered with us in just 16 months.Our AI agents reduce administrative workload by approximately 2.8 hours daily and streamline onboarding by 85%.Completed over 5 million clinical tasks across more than 36 specialties.Secured $25 million in funding from notable investors including Y Combinator, Eric Yuan, Amity, and Semper Virens.Our patented AI architecture (MedCon-1) surpasses GPT-4.5, Gemini, and Claude in clinical reasoning tasks.At Sully, we seek A-players who can deliver outputs equivalent to one year in just four months.About the RoleIn this role, you will be the primary contact for our most crucial clients, tasked with:Cultivating trust and robust relationships with executive stakeholders.Ensuring clients achieve measurable value from our solutions.Identifying and driving expansion opportunities.Acting as a General Manager for your portfolio, with high autonomy and expectations.Key ResponsibilitiesManage client relations: Establish deep connections with C-suite executives, VPs, directors, and clinical leaders; oversee all client engagements, including meetings and quarterly business reviews.Lead outcome-driven strategies: Set success metrics, create adoption plans, and ensure our clients achieve their desired outcomes.Drive growth: Spot opportunities for expansion, guarantee pilot program success, and showcase tangible ROI on key performance indicators such as time saved, revenue growth, and staff satisfaction.Develop best practices: Create the framework for consulting and supporting our top-tier accounts.Advocate for the client internally: Translate client challenges into actionable insights for our product roadmap.

Backend Software Engineer – AI Applications San Francisco Bay Area | Hybrid (3 days onsite, 2 remote)About TrueMeterAt TrueMeter, we are revolutionizing the way businesses manage their energy costs. The U.S. power grid was not designed for the AI era, and we are here to change that. With the rising demand for data centers and the lagging adoption of renewable energy, many businesses are facing increasing utility bills. Our solution? The AI Energy Agent—a system that simplifies and reduces energy costs by consolidating multiple utility bills into a single, affordable subscription. Since our MVP launch in May 2024, we have successfully onboarded millions in energy spending from notable brands. As a seed-stage startup backed by prominent Silicon Valley investors, we are poised for rapid growth.If you are passionate about developing AI-driven systems that can make a significant impact on the planet, we want to hear from you!The RoleWe are seeking a Backend Software Engineer (AI Applications) who thrives in fast-paced, early-stage environments. In this role, you will transform ideas and prototypes into functional systems in a matter of days.You will be responsible for creating the backend infrastructure that powers our AI Energy Agent, including LLM-driven systems that analyze, structure, and interpret energy data. This includes integrating with multiple utility APIs, managing data pipelines, and developing services that ensure our AI solutions are effective and reliable.You will collaborate closely with the co-founder/CTO and a talented team of engineers, designing scalable backend systems that can grow from 10 customers to 10,000, all while taking ownership of your work and delivering with pride.What You Will CreateAI-Driven Backends: Develop production systems that connect LLMs and coding agents to our data and product APIs.Service Architecture: Design and implement fast, secure microservices using Python (and optionally TypeScript).Data Integration: Build reliable connectors to energy company portals and public data sources.Infrastructure for Intelligence: Help architect the backend infrastructure that enables AI agents to read, reason, and act autonomously across our data stack.Performance & Scalability: Own systems that are designed to operate 24/7 with low latency and high reliability.

Join Our Team at Arena IntelligenceArena Intelligence is revolutionizing the way we evaluate AI models in real-world applications. Founded by visionary researchers from UC Berkeley’s SkyLab, our mission is to measure and elevate the standards of AI performance across various domains.With millions of users each month, Arena serves as a trusted platform for understanding the reliability and impact of advanced AI systems. We leverage community insights to refine our evaluation processes, ensuring transparency and relevance. Our leaderboards are recognized as the benchmark for AI performance, shaping discussions and decisions in the global AI community.Our diverse team hails from esteemed institutions such as UC Berkeley, Google, Stanford, DeepMind, and Discord. We foster a culture of innovation, collaboration, and excellence, where every team member is empowered to contribute their expertise and drive impactful results.Your RoleAs a Technical Recruiter at Arena, you will play a pivotal role in scaling our exceptional team. You will be a key partner to hiring managers, guiding them through the recruitment process to define role expectations and develop effective interview strategies. Your focus will be on building inclusive hiring practices and enhancing our employer brand while ensuring a seamless and engaging candidate experience.Key ResponsibilitiesCollaborate with hiring managers to define role outcomes, success profiles, and interview plans aligned with business objectives.Oversee the full recruitment cycle from kickoff to offer acceptance, ensuring efficiency and effectiveness at each stage.Create talent pipelines through targeted sourcing strategies, including passive outreach, community engagement, events, referrals, and compelling job postings.Implement a structured and equitable hiring process by defining competencies, calibrating evaluation rubrics, and maintaining a consistent candidate experience.Uphold a commitment to excellence across all recruitment stages by continuously refining processes and improving funnel health.Monitor recruitment metrics, providing regular updates on funnel performance, diversity indicators, and overall progress.Lead offer strategies and negotiations in line with compensation frameworks and market benchmarks.Build and maintain a network of high-potential talent for future opportunities.

Join Arena Intelligence as a Data ScientistArena Intelligence stands at the forefront of AI evaluation, offering an open platform that examines how AI models perform in real-world scenarios. Founded by UC Berkeley's SkyLab researchers, our mission is to push the boundaries of AI utility.Each month, millions engage with Arena Intelligence to assess the performance of pioneering AI systems, using our community's insights to foster transparent, comprehensive, and human-centric model evaluations. Leading enterprises and AI labs depend on our evaluations to gauge real-world reliability, alignment, and impact. Our leaderboards are regarded as the benchmark for AI performance, trusted by industry leaders and influencing global discussions on model reliability and advancement.Our diverse team of researchers, engineers, and builders hail from prestigious institutions such as UC Berkeley, Google, Stanford, DeepMind, and Discord. We prioritize truth, agility, and craftsmanship while fostering an environment that values curiosity and impact over hierarchy. At Arena, skilled individuals from all backgrounds are empowered to excel in their fields, contributing to an atmosphere rich in excellence, energy, and focus.The RoleAs a Data Scientist, you will investigate and interpret the data that fuels millions of AI evaluations weekly. Your responsibilities will include generating and testing hypotheses, identifying causal relationships, and revealing insights that enhance our understanding of frontier model behaviors in practical applications. You will collaborate with machine learning researchers and engineers to design experiments, analyze extensive datasets, and develop statistical frameworks aimed at refining the reliability and interpretability of our AI evaluation systems. Senior-level candidates are preferred for this role.

Location: US or CanadaType: US Applicants - Full-Time; Canadian Applicants - Independent ContractorAbout Human AgencyAt Human Agency, we are on an exciting trajectory of rapid growth, and our expanding portfolio of opportunities calls for exceptional talent across various disciplines. Our goal is to attract individuals ranging from creative producers to technical experts and entrepreneurial leaders who can contribute to our next phase of development.We pride ourselves on being a company of action-oriented individuals. Here, leaders are hands-on, teams collaborate openly, and every member plays a vital role in our projects. Titles do not shield us from constructive feedback; instead, we embrace critique, learn quickly, and continuously strive to elevate our standards. We believe that the best ideas prevail, regardless of their source, because our clients rely on us to deliver outstanding results consistently.The missions, products, and financial health of our clients are paramount. We immerse ourselves in their objectives, becoming dedicated partners in addressing significant challenges. Every product, strategy, or asset we create is crafted to be both aesthetically pleasing and functionally effective, designed for real-world impact.Our people are our greatest asset, and we grow by hiring individuals who challenge us to reach new heights. Across strategy, engineering, design, data, and operations, we actively seek teammates who enhance our capabilities and drive us forward. Our hiring philosophy is simple: always aim higher.We collaborate with organizations of all sizes to explore, design, and implement AI strategies that prioritize security, scalability, and human-centered approaches. We are firm believers that AI should enhance human capabilities rather than replace them, and we operate with this conviction in every engagement. From advisory services and tooling to implementation and education, we meet our clients at their current stage and assist them in integrating AI in alignment with their mission and values. Our objective is to empower teams to work smarter, accelerate progress, and unlock new opportunities through thoughtful, responsible innovation.Through it all, we lead with purpose, passion, and a sense of adventure. We engage in meaningful work with people we care about, ensuring that the journey is as rewarding as the destination. At Human Agency, our identity and our work are inextricably linked.The OpportunityThis role transcends the traditional chief of staff position. At Human Agency, the chief of staff serves as a model for every individual we welcome into our team. You are an ambitious leader eager to run a company—an energetic C-suite executive—but you choose to partner closely with an executive because you recognize it as the most efficient route to achieving your aspirations. What sets us apart is our commitment to providing you that opportunity today, not in three years.This role is comprehensive. You will handle everything from the minutiae of daily operations to leading board meetings. No task is too small, and no responsibility is beyond your reach.

Arena Intelligence builds a platform for evaluating AI models in real-world scenarios. The company, founded by researchers from UC Berkeley's SkyLab, is known for transparent, human-centered assessments. Millions turn to Arena Intelligence each month for insights, while leading enterprises and AI labs use its evaluations to measure reliability and impact. Arena’s leaderboards are widely recognized as a standard for AI performance. The team brings together researchers, engineers, and academics from institutions like UC Berkeley, Google, Stanford, DeepMind, and Discord. Arena values truth, agility, and craftsmanship, and welcomes people from all backgrounds. Team members are experts in their fields, contributing to a culture focused on excellence. Role overview The Assistant Controller will build Arena’s accounting function from the ground up. As the first accounting professional at the company, this person will design systems, controls, and infrastructure to support Arena’s growth. The role reports to the Head of Finance and is foundational in supporting a product trusted by elite AI labs and enterprises. This position covers all aspects of accounting operations, including daily financial activities, timely month-end closes, and preparation for audits. The Assistant Controller will handle complex enterprise contracts, manage revenue recognition, and develop a cost accounting framework. Collaboration with an external accounting firm is part of the job. Key responsibilities Oversee monthly, quarterly, and annual financial closes, ensuring GAAP compliance in financial statements and analyses. Manage daily financial operations, including Accounts Payable, Accounts Receivable, expense allocations, and balance sheet reconciliations for major enterprise clients. Handle revenue recognition, applying ASC 606 to complex enterprise contracts. Design and implement scalable financial systems and processes to support rapid growth. Location Bay Area

Join Arena IntelligenceArena Intelligence is the premier open platform for assessing the real-world performance of AI models. Founded by innovative researchers from UC Berkeley’s SkyLab, our mission is to enhance and measure the frontier of AI applications in real-world scenarios.Every month, millions of users leverage Arena Intelligence to delve into the performance of advanced AI systems. We harness community feedback to create transparent, rigorous, and user-centered evaluations. Leading enterprises and AI research labs count on our assessments to gauge real-world reliability, alignment, and impact. Our leaderboards are recognized as the definitive standard for AI performance, shaping the global discourse around model reliability and progress.Our dynamic team is composed of researchers, engineers, and academics from esteemed institutions like UC Berkeley, Google, Stanford, DeepMind, and Discord. We prioritize truth-seeking, rapid innovation, and craftsmanship, fostering an environment where diverse, thoughtful individuals can excel. Every team member is a deep expert in their respective field, contributing to a vibrant culture of excellence and focus.Position OverviewWe are looking for a Senior Infrastructure Engineer to architect, build, and enhance the technical framework that drives the world’s most transparent AI evaluation platform. This is more than just a role focused on architecture; you will collaborate closely with product, security, and data teams to identify system bottlenecks, design robust systems, and deploy code that ensures our platform remains fast, reliable, and secure at scale.Your work will have a significant impact across the technology stack: optimizing system performance, creating building blocks that facilitate swift feature delivery, fortifying our systems against misuse, and scaling infrastructure to accommodate billions of API requests and real-time interactions. If you are passionate about cross-functional collaboration, diving deep into code, and transforming infrastructure into a standalone product, this role is for you.Key ResponsibilitiesLead technical strategy for Arena’s core infrastructure - encompassing networking, APIs, services, data systems, and security frameworks.Design and develop high-performance systems capable of scaling to hundreds of millions of real-time interactions and evaluations daily.Collaborate with security engineering to integrate anti-abuse mechanisms, Sybil resistance, and trust systems into the core architecture of the platform.Work alongside product engineering to implement infrastructure enhancements that expedite feature delivery and enhance overall platform performance.

About UsAt Sully.ai, we are on a mission to revolutionize healthcare by making access to exceptional medical professionals a fundamental right for everyone. Currently, many face challenges such as lengthy delays, misdiagnoses, and overwhelming administrative burdens that lead to clinician burnout.Our Mission: One Human, One Doctor. We develop AI-powered assistants designed to augment healthcare professionals—scribes, nurses, receptionists, and translators—utilizing our proprietary advanced models deployed in real-world clinical settings.Our Achievements:Over 450 organizations onboarded within 16 months.AI agents save approximately 2.8 hours daily per clinician, reducing onboarding time by 85%.Completed over 5 million clinical tasks across more than 36 specialties.Secured $25 million in funding from Y Combinator, Eric Yuan, Amity, and Semper Virens.Our patented AI architecture (MedCon-1) demonstrates superior performance over GPT-4.5, Gemini, and Claude in clinical reasoning tasks.We seek A-players capable of delivering a year’s worth of work in just four months.Role OverviewWe are looking for a Senior Technical Project Manager who will take charge of technical project delivery across all business facets at Sully.ai. You will establish processes for sprint cadence, set delivery standards, and effectively communicate technical milestones to stakeholders who may not have a technical background.Key ResponsibilitiesDevelop and implement end-to-end project governance throughout Sully.ai’s teams and agents.Set the sprint cadence and establish delivery standards to enhance cross-functional collaboration.Optimize CI/CD pipelines for swift and high-quality releases.Convert intricate technical milestones into clear communications for stakeholders.Create playbooks and frameworks for consistent engineering delivery.Essential Qualifications7+ years of experience in technical project or program management, with a minimum of 3 years in early-stage startups.Proficient in Agile methodologies (JIRA, retrospectives, sprint planning).Hands-on experience with CI/CD systems and practices.