Senior Integrations Engineer at Sully.ai | Bay Area

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.

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.

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 tasks that lead to clinician burnout. We are changing that.Our Mission: One Human, One Doctor. We develop AI-powered teammates, including scribes, nurses, receptionists, and translators, all utilizing our cutting-edge models to enhance real-world clinical care.Our Achievements:Over 450 organizations onboarded within the last 16 months.AI agents reducing administrative tasks by approximately 2.8 hours per day and streamlining onboarding by 85%.More than 5 million clinical tasks completed across 36+ specialties.Secured $25 million in funding from prominent investors including YC, Eric Yuan, Amity, and Semper Virens.Our patented MedCon-1 AI architecture outperforms leading models such as GPT-4.5, Gemini, and Claude in clinical reasoning.We are seeking top talent capable of delivering 12 months of output in just 4 months.Role OverviewWe are currently looking for exceptional individuals to join Sully.ai. If there's a mutual fit, our first conversation will focus on aligning your strengths and experiences with our priorities.Core ResponsibilitiesDesign scalable systems and processes to turn initial traction into consistent, metrics-driven performance.Collaborate closely with product and engineering teams to translate customer challenges into actionable workflows and product enhancements.Serve as a technical thought partner, evaluating edge cases, shaping AI behavior, and ensuring compliance with clinical and operational standards.Maintain close relationships with users, particularly clinicians, leveraging feedback and data to continually optimize workflows.Essential QualificationsExperience as a founder or a key member of an early-stage team scaling a SaaS or AI product to significant revenue.Strong technical background with an understanding of AI technologies and SaaS product lifecycle.

Join Until, a pioneering moonshot company, as we revolutionize biology with our innovative approach to organ-scale reversible cryopreservation. Our mission focuses on preserving donated organs at subzero temperatures without ice formation, ensuring they can be uniformly rewarming for transplant. By tackling this monumental challenge, we aim to establish the groundwork for whole-body reversible cryopreservation, providing patients with a pathway to future medical breakthroughs.To realize our vision, we are building a dynamic interdisciplinary team dedicated to creating advanced perfusion systems, cryoprotectant formulations, and cutting-edge vitrification and rewarming hardware.We foresee a future where logistical barriers do not result in the loss of transplantable organs, and terminal diagnoses can be addressed with safe waiting periods for the advent of future cures.About the RoleAs an Integration Engineer at Until, you will collaborate across various teams to deliver next-generation perfusion, cooling, and rewarming systems. You will independently manage the deployment of these systems while working closely with scientists throughout the organization to ensure seamless integration across hardware and software stacks.

Be part of an innovative chiplet startup and take your career to new heights! As a Signal and Power Integrity Engineer at Eliyan, you will play a pivotal role in developing advanced packaging solutions for chiplet interconnects. Immerse yourself in a dynamic early-stage environment, where cutting-edge technologies are crafted to power tomorrow's chiplet-based systems with unparalleled performance, area efficiency, manufacturability, and design flexibility. You will engage in designing, modeling, manufacturing, assembling, and testing both traditional and advanced packaging methods for Eliyan’s solutions. Collaborate with a talented, cross-functional team of industry leaders who are committed to innovation and excellence, pushing the boundaries to create high-volume, high-performance manufacturable products. Enjoy a vibrant work culture and attractive benefits as you contribute to our mission.

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.

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 HexusAt Hexus, we are dedicated to unlocking the hidden potential of AI and personalization for businesses. Our passion lies in revolutionizing product-led growth, transforming how companies connect with their customers, thereby enhancing product adoption and ensuring long-term success. With a robust suite of AI-driven tools, Hexus enables businesses to optimize their PLG strategies across Sales, Marketing, and Customer Experience.Supported by leading investors, industry experts, and renowned angel investors, our team is spearheaded by former FAANG founders with extensive experience in SaaS, ML, and UX. Join us in our mission to redefine customer experiences through AI and personalization.Your RoleAs a dynamic, design-driven startup, we are seeking a talented Senior Product Engineer to join our early-stage team. You will be instrumental in actualizing our product vision by creating clean, intuitive UI and UX, developing robust editing tools, and ensuring top-notch performance. We seek an individual who raises the bar for what’s achievable online and is passionate about crafting exceptional responsive, interactive, and enjoyable user experiences.In this role, you will:Collaborate closely with the founding team to design engaging user experiences.Execute critical projects that empower our customers daily.Rapidly prototype and iterate on new features and functionalities, driving ongoing innovation.Architect efficient and reusable frontend systems that support complex web applications.Contribute to shaping the direction of our design-led product.Qualifications5+ years of experience in frontend development.Proficiency in front-end development using TypeScript, React, NextJS, and Node.js.Strong skills in design and styling with frameworks like Tailwind or Material Design.Comprehensive understanding of the entire web stack, including protocols and web server optimization techniques.Familiarity with modern deep learning models (GPT, LLAMA, BERT, Whisper, Stable Diffusion, etc.).Capacity to grasp user challenges and convert them into features and products.A desire to thrive in a fast-paced, iterative startup environment.

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.

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 Until, a pioneering moonshot company dedicated to revolutionizing biology with our innovative 'pause button' technology. We are focused on advancing organ-scale reversible cryopreservation, a groundbreaking method that preserves donated organs at subzero temperatures without ice formation. This technology allows for the uniform rewarming of organs, making them viable for transplants. By addressing this critical challenge, we are laying the groundwork for medical hibernation, providing patients with a bridge to future cures.As part of our mission, we are assembling a dynamic, interdisciplinary team to develop advanced perfusion systems, cryoprotectant formulations, controlled-rate freezers, and effective vitrification and rewarming protocols for human tissues. Our medical hibernation team is also engaged in tackling whole-body cryopreservation challenges, starting with rodent models.We aspire to a future where no transplantable organ is lost due to logistical issues, and where no terminal diagnosis is irreversible, enabling patients to safely await the arrival of future medical advancements.About the RoleAs a Software Engineer at Until, you will be instrumental in constructing the computational and infrastructure backbone that accelerates our scientific endeavors. You will design and implement robust data pipelines, develop lab automation interfaces, and create scalable cloud-based systems that support our experimental processes. You will take ownership of projects from inception to completion, collaborate with cross-functional teams, and uphold high standards in code development that aligns with our growing team.

At Block, we are a mosaic of diverse teams united by a common mission of economic empowerment. Our foundational teams—including People, Finance, Counsel, Hardware, Information Security, and Platform Infrastructure Engineering—provide essential support and guidance across the organization. We collaborate across various business groups, transcending time zones and disciplines, to craft inclusive policies, manage finances, offer legal expertise, protect our systems, and nurture innovative initiatives. Every challenge brings forth new opportunities, and we value unique perspectives in tackling them. We invite you to bring yours to Block.The RoleAs a vital member of our Site Reliability Engineering (SRE) team, you will take proactive and reactive measures to enhance the reliability of Block's platform and its critical infrastructure. You will be metrics-driven, systems-oriented, and dedicated to building distributed platforms that facilitate safe and scalable product development.You will utilize and continuously enhance AI-driven tools and automation to bolster observability, expedite incident detection and response, and minimize operational toil. This will involve applying AI to incident analysis, alert tuning, and operational workflows.Your responsibilities will also include being part of the primary platform on-call rotation (12 hours per day, one week every few weeks, based on team size), supporting Block's most essential Tier 0 services. In this capacity, you will lead incident command, coordinate mitigation efforts, and ensure effective escalation during high-severity incidents.

Join our dynamic team at Arta Finance as a Senior Software Engineer, focusing on our Private Investments Platform within the Alternatives sector. In this role, you will lead the development of innovative solutions that cater to our clients' diverse investment needs.You will collaborate closely with cross-functional teams, applying your expertise in software engineering to deliver high-quality, scalable products that enhance our platform's capabilities. Your contributions will directly impact our growth and success in the private investments market.

Join Our MissionThe trucking and logistics sector is essential to our economy, yet its payment infrastructure is outdated and inefficient. At AtoB, we are on a mission to revolutionize payment systems for this industry. We've identified the challenges faced by hardworking professionals in trucking — from outdated tools to hidden fees, and we are committed to delivering solutions that prioritize their needs.About AtoBOur goal is to create a seamless payment experience akin to Stripe, tailor-made for the transportation industry. We understand the critical role of timely capital movement in supply chains and strive to ensure it happens smoothly and fairly. Every product we develop enhances user experience and works intelligently within the unique constraints our customers face daily, whether they are fleet managers or drivers.Our ExpertiseOur founding team boasts extensive experience in the tech and payments landscape, with backgrounds from industry leaders like Cruise Automation, Uber, Google, Meta, and Stripe. We've attracted over $125 million in funding from prominent investors, including General Catalyst, Y Combinator, and major tech founders, positioning us as a leader in innovation within our sector.Recognized by Forbes as one of the Next Billion-Dollar Startups, we are also proud to join the World Economic Forum as a Global Innovator.

Join our innovative team at Lever, where we are reimagining the recruitment landscape! As a Senior Data Engineer, you will play a pivotal role in developing our cutting-edge hiring software, which is trusted by industry leaders like Netflix, Shopify, and Cirque du Soleil. Your expertise will help us continue to push the boundaries of talent acquisition technology.Lever, founded a decade ago, addresses one of the most critical challenges companies face: attracting and hiring premier talent. Recognized as the #1 workplace in San Francisco and a top employer nationwide, we take pride in our people-first culture, investing in our team members – our greatest asset. If you're passionate about shaping the future of hiring, we want to hear from you!

Join our innovative team at Lever as we redefine the recruitment landscape!Lever, founded a decade ago, addresses the crucial challenge of attracting and hiring top talent. Our cutting-edge hiring software is trusted by industry leaders such as Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to enhance their teams. We are proud to be recognized as the top workplace in San Francisco and among the best in the United States. Our culture emphasizes people-first values, and we continually invest in our dedicated team, known as “Leveroos.” Join us in our mission to innovate in talent acquisition!

Dapster is actively seeking a Lead Hardware Engineer to become a pivotal part of our dynamic team. As a rapidly growing startup, this position offers the unique opportunity to influence our foundational technologies and products.About Dapster: We are dedicated to revolutionizing the market with AI-driven robotic picking solutions. Recently, we secured a significant pilot project with a top retailer, providing us with dilution-free funding to further develop our core technology.If you're eager to engage in innovative work alongside a talented and humble team, and want to share in the rewards of joining us at such an early stage, we’d love to hear from you!

Senior Product Engineer (Full-Stack)About embedding-vcOpenArt, a pioneering platform at embedding-vc, utilizes AI to revolutionize storytelling and visual creation, serving millions across the globe. We are on a mission to develop the future of creative tools enhanced by advanced AI technology, enabling users to craft videos, visuals, characters, and narratives with unprecedented speed and ease.Why Choose to Work with Us?Join a small, dynamic team where senior engineers take full ownership of significant systems from start to finish.Experience rapid deployment at scale — your contributions will impact millions.Be part of a founder-led engineering culture that values deep involvement in product and architectural decisions.Engage with an AI-native product that is at the forefront of transforming advanced models into tangible user experiences.Thrive in a low-process, high-trust environment where your judgment, clarity, and speed are paramount.Your RoleWe are seeking a Senior Product Engineer (Full-Stack) to take charge of intricate, user-facing systems from conception to execution. This multifaceted role requires proficiency across frontend UX, backend systems, APIs, and data models, allowing you to balance product speed, scalability, and long-term sustainability effectively.You will collaborate closely with the founders to design, construct, and refine core AI-driven workflows, acting both as a strong technical leader and a thoughtful product strategist.Your ContributionsGuide product features from initial concept and UX design through to backend integration and successful deployment.Architect scalable backend systems, APIs, asynchronous pipelines, and AI inference workflows.Lead system design initiatives with a focus on performance, reliability, and scalability.Create clean, scalable data models across both SQL and NoSQL databases.Develop seamless frontend experiences utilizing React / Next.js.Make informed technical trade-offs and communicate them effectively.Work closely with Product, Design, and Go-to-Market teams.Mentor fellow engineers and elevate the overall engineering standards.Shape architecture, tooling, and engineering best practices.Desired QualificationsEssential SkillsProven full-stack experience with a track record of shipping scalable production systems.Capacity to independently design and deliver complete features.Demonstrated ability to make pragmatic design decisions that balance speed and quality.Excellent communication and collaboration skills to work effectively with diverse teams.Strong problem-solving abilities and a passion for innovation in engineering.

Join our innovative team at Lever as a Senior Scientist, where you will play a crucial role in advancing our mission to redefine talent acquisition. Lever is at the forefront of developing cutting-edge hiring software that empowers companies such as Netflix, Shopify, and Spotify to attract and retain top talent. We pride ourselves on fostering a people-first culture, investing in our employees, and being recognized as a premier workplace in San Francisco and across the United States.As a Senior Scientist, you will leverage your expertise to contribute significantly to our projects and help shape the future of hiring technology. Your insights and skills will be invaluable as we continue to scale and innovate.

Join our innovative team at Lever where we are redefining the recruitment landscape! Lever, founded a decade ago, is on a mission to solve the most pressing challenge in talent acquisition: attracting and hiring top talent. Our state-of-the-art hiring software is trusted by industry leaders like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to elevate their hiring processes.As we continue to grow, we are proud to be recognized as a top workplace in San Francisco and across the United States. Our company culture is centered around our people, whom we refer to as 'Leveroos', and we are committed to investing in their success and well-being. Join us in shaping the future of talent acquisition!