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Until

Full-time|On-site|Bay Area

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, maki…

Aug 21, 2025

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Integration Engineer at Until | Bay Area

Until

Full-time|On-site|Bay Area

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.

Jan 6, 2026

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Machine Learning Engineer / Scientist at Until | Bay Area

Until

Full-time|On-site|Bay Area

Join Until, a visionary moonshot company dedicated to revolutionizing biology with a groundbreaking 'pause button' for organ preservation. Our immediate mission focuses on organ-scale reversible cryopreservation, which allows for the preservation of donated organs at subzero temperatures while preventing ice formation, facilitating uniform rewarming for transplant. By addressing this monumental challenge, we are paving the way for whole-body reversible cryopreservation, providing patients with hope for future medical advancements.To realize our ambitious objectives, we are curating a diverse team of experts to innovate perfusion systems, develop cryoprotectant formulations, and engineer cutting-edge vitrification and rewarming technologies. Additionally, we are expanding our medical hibernation team to tackle the complexities of whole-body cryopreservation, starting with rodent models.We envision a future where logistics never hinder the availability of transplantable organs, and where terminal diagnoses can be reconsidered, allowing patients to await the arrival of future medical solutions safely.About the RoleAs a Machine Learning Engineer / Scientist at Until, you will play a pivotal role in our computational team, transforming experimental data into actionable insights that fuel scientific breakthroughs. You will create high-impact machine learning systems to aid in the development of innovative cryoprotectant formulations, engineer biologically-inspired antifreeze proteins, and unravel the physics underlying vitrification and rewarming processes. You will lead projects end-to-end, encompassing data collection design, data pipeline architecture, model training and evaluation, and the deployment of user-friendly tools for our scientific team.

Nov 25, 2025

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Signal and Power Integrity Engineer at Eliyan | Bay Area

Eliyan

Full-time|On-site|Bay Area

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.

May 5, 2023

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Senior Integrations Engineer at Sully.ai | Bay Area

Sully.ai

Full-time|On-site|US - 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.

Feb 26, 2026

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Engineer - Hibernation Team at Until | Bay Area

Until

Full-time|On-site|Bay Area

Until is an innovative moonshot company on a mission to create a biological 'pause button.' Currently, we are focusing on organ-scale reversible cryopreservation, which involves preserving donated organs at subzero temperatures without the formation of ice. This groundbreaking technology allows us to rewarm the organs uniformly for transplantation. By addressing this monumental challenge, we are paving the way for comprehensive whole-body reversible cryopreservation, offering patients a vital bridge to future medical advancements.To accomplish our ambitious goals, we are building a diverse and interdisciplinary team dedicated to developing advanced perfusion systems, innovative cryoprotectant formulations, and cutting-edge vitrification and rewarming technologies.We envision a future where logistical challenges do not result in the loss of any transplantable organs, and no terminal diagnosis is considered final, as patients can safely await the arrival of future medical solutions.About the RoleAs an engineer on the hibernation team, you will be responsible for designing and developing N-of-1 hardware and software systems aimed at cryopreserving entire organisms. This role demands expertise in mechanical design and fabrication, electrical design and implementation, as well as software architecture and development. Your success in this role will position you as the lead engineer to demonstrate the feasibility of whole-body reversible cryopreservation in rodent models.

Sep 29, 2025

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Engineer at leverdemo-8 | Bay Area, CA

Leverdemo-8

Full-time|On-site|Bay Area, CA

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.

Dec 20, 2021

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Engineer at leverdemo-8 | Bay Area, CA

Leverdemo-8

Full-time|On-site|Bay Area, CA

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!

Dec 21, 2021

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Engineering Position at leverdemo-8 | Bay Area, CA

Leverdemo-8

Full-time|On-site|Bay Area, CA

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!

Apr 19, 2022

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MTS Backend Engineer at Delphina | SF Bay Area

delphina

Full-time|On-site|SF Bay Area

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.

May 6, 2025

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Solutions Engineer, Mid-Enterprise (Bay Area)

Wiz

Full-time|$138.6K/yr - $182K/yr|On-site|San Francisco Bay Area

Join Wiz, a groundbreaking leader in cloud security, as a Mid-Enterprise Solutions Engineer. In this dynamic role, you'll collaborate closely with account executives to transform our clients' approach to cloud security, becoming their trusted advisor across platforms like AWS, Azure, and GCP. Your expertise will empower mid-enterprise customers to realize the full potential of our innovative solutions. At Wiz, you'll have the opportunity to work in a fast-paced environment where creativity and technical sales passion are highly valued. Be part of a diverse team that secures the infrastructure for leading organizations, including over half of the Fortune 100, and contribute to our rapid growth.

Jan 14, 2026

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Senior Infrastructure Engineer at Arena Intelligence | Bay Area

Arena Intelligence

Full-time|On-site|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.

Dec 18, 2025

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Innovative Product Solutions Engineer at Ready | Bay Area

Ready

Full-time|$65K/yr - $140K/yr|On-site|Bay Area Office

Ready is hiring a Product Solutions Engineer to join the team onsite at the Bay Area office. This role focuses on expanding support for state customers and delivering solutions for key clients. The position blends technical development with user-centered design, translating client needs into features and guiding projects from concept to delivery. The engineer will also contribute to Ready’s Center of Excellence, using AI and automation to enhance products and services. Role overview This position sits at the intersection of engineering and product management. The Product Solutions Engineer works closely with product managers, engineers, and operations to ensure that solutions address real-world needs and are delivered efficiently. The role involves translating customer feedback into actionable requirements, managing risks, and supporting ongoing process improvements. What you will do Define and prioritize product requirements with product managers and engineers, balancing user needs and technical feasibility. Gather, document, and communicate client requirements using agreed formats and priority indicators. Identify and manage risks and dependencies across teams, advocate for effective solutions, and help drive execution. Design and implement testing strategies to ensure quality and performance of new features. Document technical specifications and keep stakeholders updated throughout the development process. Support ongoing improvements to development processes and tools, encouraging innovation and adaptability. Monitor emerging technologies and industry trends, recommending product enhancements as appropriate. Provide technical support and troubleshooting as needed. Deliver training and education to clients on Ready’s software tools. Collaborate with engineering, product, and operations teams to optimize AI use, identify blockers, and improve workflows. Requirements Bachelor's degree in computer science, engineering, or a related technical field. 2-3 years of engineering experience. Understanding of Agile development and experience working with cross-functional teams. Strong communication, collaboration, and problem-solving skills. This is an onsite role based at Ready's Bay Area office.

Apr 27, 2026

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Software Engineer at leverdemo-8 | Bay Area, CA

Leverdemo-8

Full-time|On-site|Bay Area, CA

Join our innovative team at Lever as a Software Engineer, where you will play a pivotal role in building cutting-edge hiring software that empowers companies to attract and retain top talent. Lever, recognized as one of the best workplaces in San Francisco and across the United States, is at the forefront of transforming the talent acquisition landscape.In this position, you will collaborate with a dynamic group of engineers and contribute to the development of solutions used by leading organizations such as Netflix, Shopify, and Spotify. We are proud of our people-first culture and are looking for talented individuals who share our values to join us in our mission.

Feb 2, 2022

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Software Engineer at leverdemo-8 | Bay Area, CA

Leverdemo-8

Full-time|On-site|Bay Area, CA

Join us as a Software Engineer at leverdemo-8, where we revolutionize the hiring landscape.Lever is pioneering the future of talent acquisition software, trusted by industry giants like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify. Our mission is to simplify the recruitment process, making it efficient and effective for organizations of all sizes. As we continue to grow, we're looking for passionate individuals who are eager to contribute to our innovative team culture.We're proud to be recognized as the top workplace in San Francisco and a leading employer across the United States. Our team, affectionately known as 'Leveroos', is our greatest asset, and we are committed to nurturing a supportive and inclusive environment.

Jun 17, 2021

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Field Robotics Engineer - Innovative Solutions in the SF Bay Area

Compound Eye

Full-time|On-site|San Francisco Bay Area

At Compound Eye, we empower machines to perceive their environments in three dimensions and in real-time using solely passive sensors like cameras and IMUs. Our groundbreaking VIDAS™ technology processes video from automotive-grade cameras to generate a comprehensive, semantic 3D model that vehicles and robots can leverage for navigation. As a fully redundant alternative to LiDAR and radar, VIDAS is revolutionizing industries such as automotive, agriculture, healthcare, and defense, supported by Khosla Ventures and other prominent investors.We are in search of a versatile engineer who is passionate about building, testing, and modifying tangible hardware. If you excel where mechanical, electrical, and software systems converge in the real world, this role is tailored for you. You will be an inventive engineer capable of prototyping innovative concepts, engaging in hands-on fieldwork, and collaborating directly with clients to address their requirements. Your contributions will help transform Compound Eye's autonomy technology into practical, deployable solutions for ground vehicles and drones.

Jan 15, 2026

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Software Developer at leverdemo-8 | Bay Area, CA

Leverdemo-8

Full-time|On-site|Bay Area, CA

Join our innovative team at Lever, where we are redefining the recruitment landscape. As a Software Developer, you will play a pivotal role in creating cutting-edge hiring software used by industry leaders such as Netflix, Yelp, and Shopify. This position is part of our testing environment, and we kindly ask that you do not apply for this job.Founded a decade ago, Lever is on a mission to help companies attract and hire the best talent effectively. We pride ourselves on our people-first culture and have been recognized as the #1 workplace in San Francisco and among the top employers across the United States. We are looking for talented individuals to help us scale our operations and continue leading the innovation in talent acquisition.

Jul 21, 2022

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Lead Hardware Engineer at dapster | San Francisco Bay Area

dapster

Full-time|Hybrid|San Francisco Bay Area

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!

Oct 13, 2023

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Ex-Founder at Sully.ai | Bay Area

Sully.ai

Full-time|On-site|US - 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 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.

Feb 26, 2026

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Testing Role at Lever | Bay Area, CA

Leverdemo-8

null|On-site|Bay Area, CA

This is a demonstration role within Lever's testing environment, and applications for this position are not accepted.Lever, established a decade ago, addresses one of the most critical challenges faced by organizations: attracting and hiring exceptional talent. We are developing cutting-edge hiring software that industry leaders such as Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify depend on to expand their teams. Our innovative approach to talent acquisition has positioned us as leaders in the industry, and we are on the lookout for dynamic individuals to join our expanding team. We take immense pride in our company culture, which has earned us recognition as the top workplace in San Francisco and among the best in the United States. Our dedicated employees, referred to as 'Leveroos,' are the cornerstone of our success, and we are committed to nurturing their growth and fostering a people-centric workplace.

Mar 17, 2022

Ex-Founder at Sully.ai | Bay Area

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