Director of Engineering, Workflows Experiences

About Us:At Notion, we empower individuals and teams to create beautiful tools for their work. In a digital landscape filled with endless applications and tabs, Notion stands out by offering a unified platform that seamlessly integrates documents, notes, projects, calendars, and emails—enhanced with AI to deliver insights and automate tasks. Our user base spans from individuals to major organizations such as Toyota, Figma, and OpenAI, who appreciate Notion's adaptability and efficiency in saving time and resources.Collaboration in person is a cornerstone of our vibrant company culture. As such, we require all employees to work from our offices on Mondays, Tuesdays, and Thursdays, designated as Anchor Days. Some teams or roles may necessitate additional in-office attendance.About the Role:We are on the lookout for an AI Product Engineer to join our dedicated team focused on Notion's Custom Agents. These agents play a crucial role in automating recurring workflows such as task management, report generation, and knowledge base inquiries. In this role, you will be instrumental in defining and developing state-of-the-art AI-powered features that enhance this core product experience, utilizing large language models (LLMs), embeddings, and other AI technologies to make Notion's Custom Agents smarter, more capable, and scalable.Key Responsibilities:Collaborate with the team to prototype and test innovative AI functionalities.Productionize and scale asynchronous workflows throughout Notion’s ecosystem.Engage with AI, Infrastructure, and Product teams to ensure the delivery of high-quality user experiences.Keep abreast of the latest advancements in AI technologies and trends.Required Skills:Proficiency in Building and Prototyping: Demonstrated experience in developing AI products using LLMs, embeddings, and machine learning technologies. You should have a solid grasp of how various system components integrate, from user interface to data models, and familiarity with relational databases such as PostgreSQL or MySQL.Analytical Problem-Solving: A holistic approach to problem-solving, starting with a comprehensive understanding of the context. You should critically assess the consequences of your developments and their impact on users. Additionally, you must adeptly navigate ambiguity and decompose intricate challenges into straightforward solutions while considering the business implications of your work.Effective Communication and Collaboration: You should be able to convey complex ideas clearly and work collaboratively with diverse teams.

Join Sentry as an Engineering Manager for Issue WorkflowAre you passionate about enhancing the developer experience? At Sentry, we are dedicated to helping developers create high-quality software more efficiently. With over $217 million in funding and a user base exceeding 100,000 organizations, including industry giants like Disney, Microsoft, and Atlassian, we are at the forefront of performance and error monitoring solutions.Our hybrid work model fosters collaboration, with designated in-office days on Mondays, Tuesdays, and Thursdays. If you are eager to build innovative software monitoring tools that improve the digital landscape, we want you on our team.Your Impact in This RoleAs an Engineering Manager, you will guide a talented team responsible for our most utilized product features: issue details, issue search, and alerts. Your leadership will play a pivotal role in shaping the core experience that millions of developers rely on to debug and deploy confidently.Key ResponsibilitiesLead and nurture a team of engineers dedicated to Sentry's highest-trafficked product surfaces.Provide technical and product insights, actively participating in code reviews and architectural discussions.Set team objectives, eliminate obstacles, and mediate conflicts effectively.Engage with Sentry's customers to gain insights into their product usage and identify pain points.Establish clear goals, delegate tasks efficiently, and ensure timely project execution.Why You’ll Enjoy Working HereYou are a product-focused leader who prioritizes developer experience.You thrive in a collaborative environment where your contributions directly impact product quality.You are excited to mentor and grow your team, fostering a culture of continuous improvement.

About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by industry-leading investors including Y Combinator and Alt Capital, we've grown our annual recurring revenue from $5M to an impressive $36M while expanding our team from 5 to 20 talented individuals since 2025.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform where entire contact centers are driven by AI. Unlike basic automation requiring constant human oversight, we’re engineering intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managerial roles, all while optimizing customer interactions continuously.We are rapidly expanding and seeking driven builders who thrive on solving complex technical challenges, act decisively, and wish to make a tangible impact in one of the fastest-growing voice AI startups.Join us in shaping the future!Recognized as a top 50 AI application in the a16z list: https://tinyurl.com/5853dt2xRanked #4 in Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Featured among the top startups on: https://leanaileaderboard.com/

About Us:At Lunar, we are at the forefront of healthcare innovation, developing a revolutionary software platform tailored for health systems. Our mission is to transform the healthcare landscape with advanced, AI-driven solutions that empower hospitals to deliver exceptional patient care. Our cutting-edge platform serves as the vital backbone of health systems, modernizing clinical and operational workflows on a grand scale with the world's first AI-native hospital information system.This state-of-the-art platform is a complete overhaul of the information infrastructure that supports health systems. Lunar’s software is designed to optimize every facet of healthcare operations, from doctors and nurses to pharmacists, lab technicians, coders, billers, and supply chain management, all the way to patient engagement. We view our mission as the 'moon landing' of healthcare—an ambitious endeavor that many deem impossible.Supported by leading venture capital firms in Silicon Valley, we believe in the strength of a small, high-performance team of experienced professionals who operate at their peak. We highly value individuals who are driven, inquisitive, possess strong judgment, and are committed to delivering their best work.We are seeking a Clinical Workflow Informaticist to join our Clinical Applications team. In this role, you will act as a vital link between our clinical users—such as doctors, nurses, pharmacists, and lab technicians—and our technology, ensuring they have a seamless experience with the Lunar platform. You will provide expert guidance, training, and support to healthcare professionals, aiding them in optimizing workflows, resolving issues, and enhancing the value of our platform in delivering patient care. If this resonates with you, we invite you to join us in reshaping the future of healthcare.Your Impact Over the Next 6 Months:Support Clinical Users: Lead onboarding and ongoing support for clinical users, ensuring they can efficiently navigate and utilize the Lunar platform.Streamline Support Processes: Create support workflows and documentation to enhance response times and provide scalable solutions for common clinical user challenges.Gather Product Feedback: Collect insights from frontline healthcare professionals to identify pain points and collaborate with product and engineering teams to implement usability improvements.Facilitate Feature Adoption: Assist in the implementation of new features and ensure successful adoption among clinical staff.

Position OverviewJoin us at saris-ai as a Senior Product Manager, where you will play a pivotal role in crafting, documenting, and implementing intricate banking back-office workflows. This position encompasses comprehensive product development focused on lending and deposit processes.You will bridge the gap between lending regulations, operational methodologies, and business objectives by translating these into detailed product specifications, data models, validation criteria, design prototypes, and automation setups that engineering and operations teams can seamlessly execute.Additionally, you will spearhead user experience research initiatives and leverage AI-driven design tools to efficiently produce workflow prototypes and interaction specifications that serve as a foundation for engineering teams.

Responsibilities:Develop Our Product. Take ownership of software features that enhance our AI platform, empowering private market investors to analyze deals swiftly and accurately. This role requires you to actively engage in coding and delivering essential platform components from the ground up.Ensure Quality and Excellence. Establish and maintain coding standards, architectural guidelines, and review procedures; mentor fellow engineers. Co-cultivate a culture centered on practical, reliable, and test-driven development that swiftly meets business requirements.Scale for Growth. Assist in monitoring and scaling the architecture of our platform and its infrastructure.Collaborate Across Functions. Engage closely with product, security, and go-to-market teams to translate our strategic roadmap into actionable features and deliverables.

The OpportunityJoin us as a pivotal contributor to ComfyUI, one of the most renowned open-source projects today, and help shape the future of creative tools and workflow engines.Your primary objective will be to design and implement robust software foundations that drive our engineering efforts, including creating clean software abstractions, developing extensible RESTful APIs and Python SDKs, and ensuring high standards of code quality. The impact of your design decisions will significantly influence the project's trajectory, necessitating meticulous attention to detail and strategic thinking.Key Projects You Will Tackle:Creating adaptable abstractions that accommodate future developments, such as the concept of subgraphs within a graph.Crafting scalable data models that thrive in an open-source ecosystem.Introducing innovative core types like VIDEO or 3D.Collaborating with product designers and frontend engineers to deliver user-facing features that seamlessly function in headless environments, as many users utilize ComfyUI as an API service.Ideal Candidate Profile:Proficient in Python with experience in maintaining scalable APIs and SDKs.Consistently writes and reviews code, upholding high-quality standards.Passionate about elegant software design and the principles of clean coding.Bonus: Familiarity with ComfyUI or other node-based workflow tools.Bonus: Strong knowledge of tensors, PyTorch, and the ability to contribute to implementing new models for ComfyUI.About ComfyUIComfyUI is the leading visual AI platform—an open and modular system where users can construct, customize, and automate AI workflows with precision and full control.Unlike conventional AI tools that conceal their mechanisms behind simple prompts, ComfyUI empowers professionals to design their own pipelines, connecting models, tools, and logic visually akin to building blocks.Our platform is utilized by artists, filmmakers, game developers, designers, researchers, VFX studios, and teams from top-tier companies like OpenAI, Netflix, Amazon Studios, Ubisoft, EA, and Tencent—enabling them to transcend presets and truly influence AI creation.

fractional-ai is looking for a Senior or Staff Software Engineer to join the San Francisco office. This position centers on building advanced AI solutions with a team that values both technical depth and collaboration. Role overview This role focuses on designing and developing AI-driven systems. The work involves solving technical challenges and contributing to projects that push the boundaries of what AI can achieve. Collaboration with other engineers and stakeholders is a key part of daily responsibilities. Who will thrive Experienced engineers with a strong background in software development Those who enjoy working on complex technical problems Individuals who value teamwork and open communication Location This position is based in the San Francisco office.

About Simple AIAt Simple AI, we are pioneering cutting-edge voice AI solutions tailored for enterprises. Our lifelike voice agents empower renowned companies such as DoorDash, xAI, and Omaha Steaks in managing diverse phone operations ranging from customer support to order intake and lead qualification. As we experience rapid revenue growth, we seek a couple of founding software engineers to help us meet current customer demands while developing innovative systems for the future. Our team is passionate about harnessing AI to transform the world, and we operate from our San Francisco office five days a week.Simple AI is proudly supported by top-tier investors and industry leaders, including Y Combinator, Massive Tech Ventures, and prominent figures like Michael Seibel (co-founder of Twitch), Jared Friedman (Scribd), Alexandr Wang (Scale AI), Matt Van Horn (June Oven and Lyft), Suhail Doshi (Mixpanel), JJ Fliegelman (WayUp), and Scott Wu (Cognition).Meet the FoundersThe founders, Catheryn Li and Zach Kamran, previously led software teams at Y Combinator, where they launched numerous products for YC founders, including the co-founder matching site. Cat brings experience from Instagram and Facebook and holds degrees in mathematics and computer science from MIT. Zach studied computer science and statistics at the University of Chicago and led software initiatives at PEAK6.What We ProvideCompetitive salary with significant equity opportunitiesEmployee-friendly equity termsOffice located in San FranciscoComprehensive health, dental, and vision insuranceComplimentary lunch and dinner at the officeFree Uber rides home after 8:30 PMRegular team events and offsite activitiesYour Qualifications4+ years of relevant software engineering experience.Exceptional problem-solving skills and a passion for tackling technical challenges.A customer-centric mindset coupled with strong communication skills and a keen interest in product design and prioritization.Self-motivated with the ability to work independently.A genuine enthusiasm for continual learning and keeping abreast of the latest advancements in AI.

fractional-ai is hiring a Software Engineer to join the team onsite in San Francisco. This role centers on building and improving technology that advances artificial intelligence. Role overview As a Software Engineer, you will work closely with others to develop and support projects that drive the company’s AI initiatives forward. The work involves collaborating with colleagues and contributing technical solutions in a team setting. What you will do Develop software for AI-driven projects Collaborate with team members in the San Francisco office Contribute ideas and technical expertise to ongoing initiatives Requirements Interest in technology and artificial intelligence Ability to work onsite in San Francisco Strong motivation to learn and contribute to team projects

Founded in 2007, Airbnb has transformed from a small startup welcoming three guests into a global community of over 5 million hosts and more than 2 billion guest arrivals in virtually every country. Our platform offers distinctive stays and experiences, fostering authentic connections between guests and local communities.Join Our TeamAs a member of the Workflow Orchestration team within Airbnb’s Data Infrastructure organization, you'll play a vital role in managing the orchestration layer that coordinates, executes, and monitors sophisticated data workflows across both batch and streaming domains. Our objective is to equip data engineers, ML teams, analytics, and operational applications with scalable, reliable, and observable orchestration platforms, ensuring that essential business workflows operate seamlessly.Your ImpactIn the role of Engineering Manager, you will:Lead and develop a high-performing team tasked with designing, implementing, and maintaining distributed orchestration infrastructure that handles tens of thousands of data workflows daily.Establish the long-term technical vision and roadmap for orchestration, aligning it with Airbnb’s broader Data Infrastructure and Analytics platform strategy.Promote the adoption of best-in-class workflow paradigms and tools across data engineering, reliability, and ML teams, ensuring consistency, performance, and operational excellence.Collaborate closely with cross-functional teams in Data Platform, Compute, Storage, Analytics, and ML Infrastructure to enhance orchestration capabilities within the larger data ecosystem.Mentor and coach engineers to foster strong technical judgment, clarity of thought, and a sense of ownership within the team.A Day in Your LifeWork alongside senior engineering leaders to shape multi-year strategies for workflow orchestration and execution platforms.Stay involved in architectural decisions, review designs, and help resolve technical challenges.Collaborate with product and engineering leaders across Data Infrastructure to prioritize investments that balance reliability, developer experience, and cost.Ensure your team adheres to strong delivery discipline, optimizing workflows and practices.

About UsXOXO is an innovative research lab dedicated to crafting intelligent interfaces that enhance everyday life. Our stealth team, composed of passionate engineers, designers, and researchers, is focused on solving unique challenges that go beyond the workplace.With recent advancements in infrastructure, architecture, and model layers, we are actively seeking skilled builders to create the application layer that will actualize our visionary concepts.About the RoleWe are on the lookout for a proficient iOS engineer to lead the development of XOXO’s consumer app, featuring a pioneering interface for intelligence. This position calls for a robust engineer capable of managing the entire mobile surface area, from architecture and performance to refining a visually appealing design system that ensures intentional user interactions.A specific background is not mandatory; what truly matters is your passion for ownership: you take charge, work swiftly without compromising quality, and aspire to create a mobile product that redefines craftsmanship and performance standards.What You’ll DoDesign and launch the initial versions of our React Native app, transitioning it from concept to production.Convert a visually rich design system into reusable components, motions, and interaction patterns with seamless performance.Develop new product interfaces that seamlessly integrate modern AI/ML capabilities in a mobile-friendly manner.Enhance app performance, focusing on rendering, startup, memory consumption, battery usage, and perceived speed.Establish high standards for mobile engineering quality (including testing, monitoring, and release management) while collaborating with various teams to ensure successful delivery.

About Resolve AIAt Resolve AI, we are revolutionizing the field of software engineering by addressing the burdens of software maintenance and production troubleshooting. Our cutting-edge AI Production Engineer autonomously investigates and resolves complex system issues from start to finish.Founded by Spiros Xanthos and Mayank Agarwal, who were pivotal in developing OpenTelemetry and leading Splunk Observability, our leadership team boasts a history of two successful exits to Splunk and VMware.We have secured over $150 million in funding from prestigious investors such as Lightspeed, Greylock, Unusual Ventures, and notable individuals like Jeff Dean (Chief Scientist, Google DeepMind), Thomas Dohmke (CEO, GitHub), Matt Garman (CEO, AWS), Reid Hoffman (Founder, LinkedIn), and Fei-Fei Li (Professor, Stanford).The RoleWe are seeking AI Agent Engineers who meld robust engineering expertise with AI-driven innovation, and a steadfast commitment to enhancing customer outcomes. Your role will encompass not just delivering features but also fully grasping customer challenges and implementing solutions that tangibly enhance their experiences.The most accomplished software engineers spend considerable time determining what to build, rather than merely coding. With the emergence of tools like Claude Code and Cursor, this balance is shifting, and we believe this trend is beneficial.This position transcends traditional software engineering. It acknowledges that impactful engineering work today resides at the crossroads of advanced technical execution, deep customer understanding, and thorough evaluation of effective solutions.What You'll DoChampion customer success from start to finish. Collaborate closely with customers, design partners, and internal teams to outline technical requirements, define success metrics, and establish delivery timelines — and then take the initiative to build and launch the solutions.Develop meaningful product features. Design and implement features across the entire technology stack, focusing on addressing real-world problems encountered in production rather than abstract concepts.Seamlessly integrate with customer environments. Dive deep into understanding customer systems and ensure our solutions fit perfectly within their workflows.

Join Saris AI as a Staff Backend Software Engineer, where you will play a pivotal role in developing innovative solutions that harness the power of artificial intelligence. In this dynamic position, you will collaborate with cross-functional teams, design scalable systems, and contribute to the overall architecture of our backend solutions.

The Trade Desk is a leading global technology company dedicated to fostering a better, more open internet for everyone through principled, intelligent advertising. With the capability to handle over 1 trillion queries daily, our platform operates at an unparalleled scale. We pride ourselves on our award-winning culture, built on the foundations of trust, ownership, empathy, and collaboration. We appreciate the unique experiences and perspectives that every individual brings to The Trade Desk, and we are committed to creating inclusive spaces where everyone can express their authentic selves at work. If you are passionate about solving complex problems at scale and are eager to join a dynamic, globally-connected team where your contributions will significantly impact the media ecosystem, we invite you to explore why Fortune magazine consistently ranks The Trade Desk among the top small to medium-sized workplaces worldwide. As a Senior Software Engineer, you will have end-to-end ownership, allowing you to engage in various facets of designing, building, and delivering data-centric products for our stakeholders. At The Trade Desk, we focus on constructing the back-end infrastructure of our platform with an unwavering commitment to quality at scale. Whether developing components for our client-facing applications, crafting internal custom solutions for our teams, or building model pipelines for bidding optimizations, we ensure that the infrastructure, development processes, and tools empower us to execute efficiently. Our systems operate continuously, serving global traffic, and we collaborate in a highly cooperative environment while leveraging a diverse array of technologies. Our back-end developers tackle algorithmic, optimization, and scalability challenges across all our initiatives.

Join the Revolution at Retell AIRetell AI is pioneering the future of call centers through innovative voice AI, driven by first principles thinking.In just 18 months since our inception, we have empowered thousands of businesses with our AI voice agents, transforming how sales, support, and logistics calls are managed—previously requiring extensive human teams. Supported by prestigious investors such as Y Combinator and Alt Capital, we've rapidly scaled from $5M ARR to an impressive $36M ARR with a compact yet dynamic team of 20.Our ambition for 2026 is to create a revolutionary customer experience platform, where entire contact centers are powered by AI. Moving beyond basic automation, we aim to develop intelligent AI “workers” that serve as frontline agents, QA analysts, and managers, continuously enhancing customer interactions without the need for constant human oversight.As we expand, we are seeking passionate engineers who are eager to solve challenging technical problems, act swiftly, and make a significant impact in one of the fastest-growing voice AI startups. Let’s shape the future together.

Join Our Innovative Team at Retell AIRetell AI is at the forefront of revolutionizing the call center industry through advanced voice AI technology. In just 18 months since our inception, we have empowered thousands of businesses to optimize their sales, support, and logistics calls, which previously relied on large teams of human agents. Supported by prominent investors including Y Combinator and Alt Capital, we've achieved remarkable growth, scaling from $5 million to $36 million in annual recurring revenue (ARR) while expanding our talented team to 20 members.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform, transforming entire contact centers with AI. Unlike traditional automation that requires ongoing human oversight, we are building intelligent AI "workers" capable of functioning as frontline agents, quality assurance analysts, and managers, constantly enhancing customer interactions.If you are a passionate innovator eager to solve complex technical challenges and make a tangible impact at one of the fastest-growing voice AI startups, we invite you to join us in shaping the future.Ranked among the top 50 AI applications by a16z: a16z List4th on Brex's Fast-Growing Software Vendors of 2025: Brex BenchmarkFeatured as a leading startup on: Leanaileaderboard

With support from prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private sector entities to tackle societal challenges with unparalleled speed and precision. Our AI-driven platform transforms isolated and disparate data into actionable intelligence, rapidly presenting critical information that enables improved decision-making and outcomes. Currently, Peregrine serves hundreds of clients across over 30 states and two countries, impacting more than 125 million individuals, as we broaden our reach into enterprise markets and international territories.TeamOur engineering team is deeply committed to the idea that empathy enhances our solutions. Understanding how users interact with our products is fundamental to our approach. Engineers have the unique opportunity to collaborate closely with our onsite team to grasp the diverse use cases that Peregrine addresses.We cherish both ownership and teamwork; you will be fully accountable for significant features while working hand-in-hand with fellow engineers to ensure successful delivery. We believe that humility and empathy are critical for crafting effective solutions, and you will engage directly with our deployment team and users as we refine our offerings to meet their needs. Ingenuity and perseverance are vital in realizing our vision.RoleAs part of our new AI team, you will play a key role in delivering unique value to our clients. This team is responsible for designing powerful and intuitive user experiences powered by generative AI. You will explore entirely new interaction methods for users—whether through natural language commands or by enabling AI agents to manage complex tasks on their behalf. Your contributions will shape impactful AI-driven features that assist customers in solving real-world challenges more efficiently.Your work will encompass a variety of intricate challenges, including scaling our platform to process terabytes of data from multiple sources, efficiently querying and alerting users about this data in real-time, and optimizing search algorithms for swift result delivery.While our technology stack is continuously evolving, it is built on a foundation that includes Python, Django, Celery, Airflow, and Kafka for the backend; React, Redux, and Mapbox for the frontend; PostgreSQL and Elasticsearch for data storage; machine learning models hosted in Bedrock and Sagemaker; and utilizing AWS, Pulumi, Terraform, and Kubernetes for our infrastructure.

About Saris AISaris AI specializes in developing AI-driven workflow agents that enhance and automate back-office operations specifically for banks and credit unions. Our solutions operate in highly regulated, high-stakes environments where precision, trustworthiness, and explainability are prioritized alongside rapid execution. We focus on designing for intricate systems, real-world operators, and sustainable impacts rather than just eye-catching demos.The RoleWe are seeking a Senior Product Designer who excels in navigating complex challenges. In this pivotal role, you will spearhead the design efforts across our core product areas, transforming convoluted workflows, outdated systems, and regulatory frameworks into intuitive, reliable user experiences. This position offers substantial ownership and influence over the product's strategic direction.You will collaborate closely with co-founders, product managers, and engineers to redefine the way banks and credit unions engage with AI workflow agents, particularly for users who are more domain experts than technical specialists.What You’ll DoLead end-to-end design for key product surfaces, including discovery, workflows, interaction models, and visual systems.Design user interfaces for enterprise software alongside complex, multi-step workflows.Translate banking and operational requirements into seamless user experiences.Partner with PMs to clarify problems, outline solutions, and navigate trade-offs.Collaborate with engineering teams to guarantee superior execution.Design with a focus on trust, transparency, and user control in AI-driven systems.Develop and maintain design systems, patterns, and documentation to support product scaling.Engage in user research, usability testing, and iterative refinement with real customers.What We’re Looking For6+ years of product design experience, including substantial time in enterprise or B2B software environments.Demonstrated success in designing complex systems such as dashboards, workflows, administrative tools, and regulated products.Proficiency in understanding and synthesizing user challenges.Strong capabilities in interaction design and information architecture.Experience collaborating closely with engineering teams in dynamic product environments.Ability to balance the needs of users with technical constraints and business objectives.