Applied AI Software Engineer

OverviewAs a Software Engineer at Neon Health, you will play a pivotal role in enhancing the performance of our AI systems. Your responsibilities will include diagnosing and rectifying runtime issues, developing agent simulators, designing evaluations for large language models (LLMs), and collaborating with client data to ensure optimal outcomes. This position is perfect for innovative thinkers who thrive in debugging environments, testing LLM systems, and building robust infrastructures that elevate the capabilities of our AI agents.Join Our MissionThe Challenge: Many patients delay or abandon critical treatments due to exorbitant costs and complex insurance processes. For example, Sarah struggled with a $30,000 monthly treatment, and Marcus faced worsening health due to insurance hurdles.Over half of essential prescriptions are left unfilled due to:Financial Barriers: High copays significantly increase the likelihood of treatment abandonment.Complex Insurance Processes: Prior authorization requirements can obstruct access to necessary medications.Logistical Issues: Coordinating medical visits for treatments can be challenging.Our Solution: Neon's innovative technology streamlines patient access workflows for pharmaceutical companies by automating authorization processes, expediting benefits verification, and facilitating financial assistance.Why Neon? We envision a healthcare landscape where every patient can navigate the system effortlessly, especially during critical times. By joining us, you will contribute to making lifesaving medications accessible based on clinical need rather than financial constraints. Our goal is to create an AI-driven automation powerhouse that serves significant players in the healthcare sector.Why Choose Neon?Bold Ambitions: We are seasoned builders aiming to establish a company valued at over $200 billion, on par with industry giants like Palantir or ServiceNow.Experienced Leadership: Our founding team consists of successful entrepreneurs and accomplished professionals from prestigious backgrounds, including Yale, MIT, Tesla, and Google.Rapid Growth with Stability: In just four months, we secured over seven figures in customer contracts, far exceeding typical sales cycle timelines in our industry. We are a profitable company with a relentless focus on execution.Strong Investor Support: Backed by top-tier Silicon Valley venture capitalists who have successfully invested in companies like DoorDash, Lyft, and Mammoth Biosciences.

Join Us in Revolutionizing HealthcareAt Sully.ai, we are on a mission to create the most transformative healthcare company in the world. We firmly believe that access to quality medical care is a fundamental human right, yet many face barriers such as long waits, misdiagnoses, and overwhelming administrative burdens.Our vision is encapsulated in our mission: One Human, One Doctor. We develop AI solutions that enhance the capabilities of healthcare professionals—whether they are clinicians, nurses, or administrative staff—utilizing cutting-edge models tailored for real-world applications in patient care.Why Choose Sully.ai?Over 450 organizations have partnered with us in just 16 months.Our AI agents save approximately 2.8 hours per day in administrative tasks and decrease onboarding time by 85%.We have completed over 5 million clinical tasks across more than 36 specialties.Secured $25 million in funding from notable investors including Y Combinator and Eric Yuan.Our patented AI architecture (MedCon-1) surpasses models like GPT-4.5 and Claude in clinical reasoning.We seek exceptional talent capable of delivering a year’s worth of results in just four months.

Join Fractional AI as an Associate Principal of AI TransformationAt Fractional AI, we specialize in creating tailored generative AI software solutions designed to revolutionize businesses. Our clients include private equity-backed companies and Fortune 500 enterprises across diverse industries.As AI continues to evolve, every C-suite executive is grappling with the challenge of translating theoretical AI into practical applications. Our elite engineering team excels at developing comprehensive AI solutions, while our top-tier business team offers expert AI advisory services. We are on a fast-paced growth trajectory, positioned at the cutting edge of applied AI, collaborating with some of the world's largest private equity firms.We seek intellectually curious, collaborative professionals eager to make an impact from day one.Role OverviewAs an Associate Principal, you will serve as the intellectual backbone of our AI due diligence practice. Your responsibilities will include assessing disruption risks and identifying value creation opportunities across various industries, conducting management interviews, and presenting your insights to our private equity clients. Each quarter, you'll gain insights into 4-5 companies, honing a unique pattern recognition that is unmatched in the market.This exposure will pave your way to becoming a Principal at Fractional AI, the go-to advisor for private equity firms seeking AI guidance for their portfolio companies. In addition to diligences, you will collaborate with our Principals on active deals, proposals, and fostering relationships within the private equity sector. Within 6-12 months, you will be expected to begin leading your own deal pursuits.Note that this position does not have sales quotas but is designed to evolve into one.Key ResponsibilitiesLead end-to-end diligence processes. You will be fully dedicated to each engagement while the Principal and AI Architect manage multiple deals. As the primary point of contact, you will maintain a sharp point of view, prepare the team for each interview, and ensure the Principal is thoroughly prepared for client meetings. Your role encompasses desk research, generating points of view, conducting interviews, and overseeing deliverables.Assist with live deals and account management. You will work closely with Principals on ongoing sales efforts, participating in discovery calls, shaping proposals, and managing existing customer relationships.Develop your network within private equity. This role provides a unique opportunity to connect with key players in the private equity industry, enhancing your professional footprint.

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 Latent Health Latent Health is building a more integrated and personalized healthcare system. The team focuses on making advanced care accessible to everyone, not just a select few. By developing systems that understand both population-level trends and individual patient needs, Latent Health addresses complex clinical questions using one of the most diverse clinical datasets in the United States. Machine Learning at Latent Health The Machine Learning team combines research and engineering to deliver real systems for clinical practice. Current projects include: Developing scalable, verifiable reinforcement learning approaches Improving foundational models during and after training Designing new objectives that use longitudinal patient data The group works closely together, moving ideas from concept to deployment in healthcare settings. Role Overview The Machine Learning Engineer will lead the design, development, and deployment of ML systems that support active clinical workflows. This role covers the full lifecycle: from identifying ambiguous problems to delivering reliable production solutions. The position emphasizes technical ownership and direction, especially for candidates at the senior or staff level who have experience managing critical, end-to-end systems. Location San Francisco

Role overview MidiHealth is hiring a Staff Software Engineer - AI Engineer for a hybrid role in the San Francisco Bay Area. The position focuses on building and improving AI-powered solutions that contribute to better healthcare outcomes. What you will do Collaborate with cross-functional teams to design and implement AI-driven systems for healthcare. Develop scalable architectures and write efficient algorithms tailored to healthcare applications. Uphold strong software quality standards throughout the development lifecycle. Location This position is hybrid, with work based in the SF Bay Area.

About AbridgeFounded in 2018, Abridge is dedicated to enhancing understanding in healthcare through our innovative AI-powered platform. We specialize in transforming medical conversations into structured clinical notes in real-time, enabling clinicians to prioritize patient care. Our enterprise-grade technology seamlessly integrates with electronic medical records (EMRs) to ensure accuracy and trust in AI-generated summaries.As pioneers in generative AI for healthcare, we are setting the industry benchmarks for responsible AI deployment across health systems. Our diverse team consists of practicing MDs, AI scientists, PhDs, creatives, technologists, and engineers united in their mission to empower patients and make healthcare more comprehensible. We have offices located in San Francisco's Mission District, New York's SoHo neighborhood, and East Liberty in Pittsburgh.The RoleJoin us as an AI Platform Engineer, where your work will significantly impact the healthcare sector. You will collaborate with a multidisciplinary team of researchers, clinical scientists, and product engineers to design and develop the runtime, orchestration engine, and evaluation platform necessary for agentic orchestration and LLM-driven workflows.What You’ll DoCreate GenAI systems that transform LLMs into composable, reliable tools, utilizing retrieval, tool use, agentic reasoning, and structured outputs.Develop a highly reliable and scalable agent runtime that includes orchestration, shared state and memory, tool-calling interfaces, and scheduling focused on cost, latency, and quality.Build secure, sandboxed environments for agent actions and code, optimizing for cold start, isolation, and observability.Deliver unified interfaces for multiple model sizes and providers; integrate with open tool ecosystems such as MCP-style connectors.Create an evaluation platform for both online and offline assessments, A/B testing, safety checks, and regression gates that enhance agent reliability over time.Collaborate with Research to bring new agent capabilities from prototype to production.What You’ll BringDemonstrated experience in building agent applications with tool-calling, context engineering, and related technologies.Strong problem-solving skills and the ability to work in a fast-paced, collaborative environment.Familiarity with generative AI technologies and their applications in healthcare.

Join Us in Transforming Healthcare Accessibility!At Assort Health, we are dedicated to ensuring that exceptional healthcare is accessible to everyone, at any time and from anywhere. Our vision revolves around creating a seamless, connected healthcare experience, offering quick answers, clear communication, and easy access to care. To achieve this, we are laying down a revolutionary foundation for patient-provider interactions powered by artificial intelligence, designed to navigate the intricacies of healthcare while catering to the unique requirements of each provider.Assort is recognized as the most comprehensive patient experience platform, utilizing specialty-specific agentic AI. Our omnichannel AI agents integrate effortlessly with electronic health record (EHR) and practice management systems (PMS), eliminating long hold times and operational inefficiencies that prevent patients from receiving timely care.Since our inception in 2023, we have successfully managed over 100 million patient interactions, drastically reducing average hold times from 11 minutes to just 1 minute. Our platform currently supports calls for thousands of providers, boasting an impressive 98%+ resolution rate and 99% accuracy in scheduling. With a patient satisfaction score averaging 4.5/5 from over 52,000 reviews, we have achieved remarkable 20x revenue growth projected for 2025. As we scale rapidly, we are expanding our adoption across the healthcare industry.Your RoleWe are searching for proactive, resourceful, and product-focused Software Engineers to join our dynamic team during an exhilarating phase of our startup's journey. If you aspire to play a pivotal role in developing and scaling cutting-edge products, this is an exciting opportunity to make a lasting impact. You will gain hands-on experience in a fast-paced startup environment, working with advanced generative AI and voice/transcription technologies.As one of our first 30 Engineers, you will be instrumental in driving our company’s growth and success. We are looking for self-starters who are ready to embrace diverse responsibilities and build innovative products from the ground up. This role provides significant autonomy, and you should feel comfortable navigating ambiguity with an entrepreneurial spirit.Key ResponsibilitiesContribute to critical decisions in collaboration with the founders.Collaborate closely with our exceptional engineering team to design and develop features and products from inception.Exercise a high degree of autonomy in tackling complex challenges with innovative solutions.Engage actively in design and development discussions, providing fresh insights and ideas.

midihealth seeks a Senior Software Engineer specializing in AI to join the team in a hybrid role based in the San Francisco Bay Area. This position centers on building and enhancing the company’s healthcare technology platform. Role overview This engineer will apply AI knowledge to develop new features and refine existing ones. The work involves collaborating with colleagues to design solutions that address real healthcare needs. Location This is a hybrid role. Candidates should be located in or able to commute to the San Francisco Bay Area.

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.

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.

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

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.

Join Sample Healthcare as a Founding Engineer!At Sample Healthcare, we are committed to transforming healthcare operations from a burden into a formidable competitive edge. Despite the USA's leadership in introducing new treatments, our healthcare professionals spend an alarming 73% of their time on administrative tasks. Our mission is to eliminate this inefficiency and pave the way for medical progress. We collaborate with top national healthcare providers and have amassed data from 75% of oncology clinics across the nation, with our network rapidly expanding.Why It MattersThe American healthcare system is facing urgent challenges as our population ages and chronic illnesses proliferate. Clinicians and administrators bear an increasing load, often within precariously thin margins. This administrative friction results in not only inefficiencies but also dangerous delays in diagnoses and treatment, leading to clinician burnout. To sustain America's role as a leader in modern medicine amidst accelerating scientific discovery, we must address these operational hurdles.Our Innovative ProductWe have developed a transformative platform that empowers healthcare providers to create AI copilots, automating and streamlining critical operations. These copilots enhance efficiency while continuously gathering valuable data that improves our models over time. By joining our network, providers collaborate with specialists to support patients effectively. Our astonishing growth trajectory—achieving Series A revenue metrics within just ten months—attests to our potential.Your OpportunityBe part of a generation-defining company. As a founding engineer, you will tackle some of the most significant challenges in healthcare, with the autonomy to innovate. Our engineering team is currently focused on:Developing frameworks and IDEs for AI-powered workflows, evolving from copilots to comprehensive assistants.Training advanced models for medical record reasoning.Creating pipelines that swiftly tune task-specific models based on data from our copilots.These challenges are not just technical—they are opportunities to redefine healthcare operations. Success hinges on navigating both technical and domain complexities.Who We're SeekingWe aim to build a world-class team of engineers who embody:Technical Excellence: Proficiency in software development and a passion for solving complex problems.Innovation Mindset: A drive to embrace new technologies and methodologies.Collaborative Spirit: A commitment to working effectively in a team-oriented environment.

About ArcadeArcade is pioneering the world’s first AI-driven platform for creating physical products, where creativity meets reality. Our innovative platform empowers users to design, purchase, and sell custom, manufacturable products using natural language and generative AI. We believe in democratizing creation, allowing anyone to produce physical goods as effortlessly as sharing online content, and we are developing the infrastructure to realize this vision for both consumers and businesses.With a substantial investment of $42M from an exceptional group of investors, including notable figures like Reid Hoffman and Ashton Kutcher, Arcade is set to revolutionize the industry. Our founders and investors are backed by a talented team from leading companies such as Google, Apple, and NVIDIA, driven by the mission to innovate at the intersection of AI, personal expression, and on-demand manufacturing.Role SummaryAs a Product Engineer specializing in AI, you will be a crucial player in shaping the future of design and commerce. Reporting directly to our Co-Founder & CEO, Mariam Naficy, you'll collaborate with engineers, designers, and AI researchers to deliver groundbreaking experiences. You will take ownership of key products from inception through execution, determining development directions and implementing them effectively.The ideal candidate is an innovative engineer capable of designing agent behaviors, writing production-quality code, prototyping workflows, crafting system prompts, debugging issues, and iterating based on user feedback. This role requires a proactive mindset and the ability to manage cross-functional initiatives in a dynamic startup environment.

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.

Role overview sia seeks an AI Transformation and Strategy Consultant to join the Tech Delivery Office in San Francisco. This role centers on guiding organizations as they define and execute their AI strategies. What you will do Partner with clients to identify areas where AI can add business value. Design and recommend AI solutions tailored to each organization’s needs. Support clients throughout the full AI lifecycle, from initial concepts to deployment in real-world settings. Work closely with internal and client teams to ensure AI projects support larger business objectives. Monitor AI industry developments to help clients stay competitive as digital trends evolve. Impact This position shapes how organizations across industries adopt and benefit from AI. The work helps clients navigate new opportunities and challenges as they transform their businesses with emerging technologies.

Join Decagon as an AI Transformation Manager, where you will lead the charge in leveraging artificial intelligence to reshape our operations and enhance our services. Your role will involve collaborating with cross-functional teams to identify opportunities, develop strategies, and implement AI solutions that drive business growth and efficiency. You will be instrumental in fostering a culture of innovation and ensuring that our AI initiatives align with our overall business objectives.

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.