Mid-Level Software Engineer at Chestnut | San Francisco

About ChestnutAt Chestnut, we are revolutionizing the insurance industry by developing the first AI-native operating system tailored for insurance distribution. Our mission is to redefine how the $1 trillion insurance market allocates its primary expenditures: sales and distribution.Supported by a16z, we are modernizing outdated systems with a versatile platform that empowers carriers to automate intricate workflows, maximize their distribution budgets, and unlock new avenues for growth. We are already collaborating with major insurers, and our early adopters are witnessing significant expansion.This represents a monumental shift in our industry. Recent advancements in agentic AI enable us to automate processes that were once manual and prone to errors. We have dedicated years to constructing the necessary data models and context layers to turn this vision into reality, and now we are scaling our operations with urgency.At Chestnut, we believe that small, high-context teams equipped with premier tools can achieve exceptional outcomes. We exemplify the AI-lean philosophy: pursuing tenfold productivity gains that allow us to amplify our impact beyond our workforce size.If the challenge of modernizing the infrastructure of one of America's most vital sectors excites you, we would be thrilled to connect. Whether you are enhancing core product experiences or laying the foundation for intelligent automation, your contributions will expedite a once-in-a-lifetime transformation.Engineering at ChestnutWe are constructing a state-of-the-art framework for AI-driven insurance operations, which encompasses well-organized data models, real-time event pipelines, clean APIs, and user-friendly tools that facilitate collaboration between humans and agents.As a Software Engineer at Chestnut, you will become part of a dynamic, cross-functional team dedicated to delivering impactful features quickly. You will have the opportunity to work across the entire stack, contribute to system architecture, and play a vital role in shaping our evolving technical culture.What You’ll DoDevelop the core of our AI-native platform — from Go services and event-driven workflows to React UIs and automation frameworks.Collaborate closely with product and design teams to swiftly deliver, learn, and iterate on high-impact features.Take ownership of your projects from architecture through deployment, ensuring clear handoffs and accountability.Enhance our foundational components — focusing on observability, permissions, and development tools.Embrace the mindset of a builder: remain unblocked, act with urgency, and prioritize what truly matters.

About ChestnutChestnut is pioneering the first AI-native operating system designed specifically for insurance distribution, revolutionizing how the $1T+ insurance industry manages its most significant expenditures: sales and distribution.Supported by a16z, we are replacing outdated systems with a cutting-edge, adaptable platform that empowers carriers to automate intricate workflows, maximize every distribution dollar, and unlock new avenues for growth. Our partnerships with major insurers are already in place, and early adopters are witnessing substantial expansion.We are on the brink of a generational shift in platforms. Recent advancements in agentic AI enable us to automate processes that were once manual and fraught with errors. After years of developing the necessary data model and context layer, we are now scaling with urgency.At Chestnut, we believe that small, high-context teams, equipped with industry-leading tools and talented colleagues, can deliver exceptional results. We embody the concept of being AI-lean: striving for 10x productivity gains that allow us to amplify our impact beyond our headcount.If you are passionate about modernizing the infrastructure of one of America’s most vital industries, we would love to connect with you. Whether you are enhancing core product experiences or laying the foundation for intelligent automation, your contributions will accelerate a transformative journey that occurs once in a generation.Engineering at ChestnutWe are constructing the modern infrastructure necessary for AI-driven insurance operations. This entails well-organized data models, real-time event pipelines, robust APIs, and user-friendly tools that facilitate collaboration between humans and agents.As a Senior Software Engineer at Chestnut, you will be part of a high-agency, cross-functional team dedicated to delivering impactful features rapidly. You will work across the entire tech stack, contribute to system design, and help shape the technical culture as we expand.

Join Chestnut as a Senior Software EngineerAt Chestnut, we are pioneering the development of an AI-native operating system tailored for the insurance distribution sector, fundamentally reshaping how the $1 trillion insurance industry manages its sales and distribution processes.With support from a16z, we are replacing outdated systems with a modern, adaptable platform designed to assist carriers in automating intricate workflows, optimizing resource allocation, and driving new growth. Our platform is already contracted with major insurers, and our early adopters are witnessing significant expansion.This is a transformative moment in the industry. Recent breakthroughs in agentic AI allow us to automate what was previously manual and error-prone. After years of meticulous development of our data models and context layers, we are now poised for rapid scaling.At Chestnut, we believe in the power of small, context-rich teams equipped with top-notch tools to achieve remarkable results. We embody an AI-lean philosophy, striving for 10x productivity enhancements that enable us to amplify our impact beyond our headcount.If you are passionate about modernizing the infrastructure of a critical industry in America, we would be thrilled to connect with you. Your contributions will play a vital role in either shaping essential product experiences or laying the groundwork for intelligent automation, driving a once-in-a-generation transformation.Engineering at ChestnutWe are constructing the modern framework for AI-driven insurance operations, which includes well-organized data models, real-time event pipelines, clean APIs, and user-friendly tools that facilitate seamless collaboration between humans and agents.As a Senior Software Engineer at Chestnut, you will collaborate with a high-agency, cross-functional team dedicated to delivering impactful features quickly. You will engage across the technology stack, contribute to system design, and help cultivate a robust technical culture as we expand.

Join Metriport, a cutting-edge technology company based in San Francisco, as a Software Engineer. In this dynamic role, you will be responsible for developing innovative software solutions that enhance our product offerings. Collaborate with a team of skilled engineers to design, implement, and maintain high-quality software systems. If you are passionate about coding and eager to make a significant impact in the tech industry, we want to hear from you!

About AbridgeAbridge, founded in 2018, is dedicated to enhancing understanding in healthcare. Our innovative AI-driven platform is specifically designed for medical dialogues, streamlining clinical documentation and allowing healthcare professionals to prioritize patient care.Our advanced technology converts patient-clinician interactions into organized clinical notes in real-time, integrating seamlessly with electronic medical records (EMRs). Utilizing Linked Evidence and our specialized, auditable AI, we uniquely align AI-generated summaries with verified information, fostering trust among providers regarding our outputs. As leaders in generative AI within the healthcare sector, we are establishing benchmarks for the ethical use of AI across health systems.We are a dynamic team composed of practicing physicians, AI researchers, PhDs, creatives, technologists, and engineers united in our mission to empower individuals and enhance the clarity of healthcare. Our offices are situated in San Francisco's Mission District, New York's SoHo, and Pittsburgh's East Liberty.The RoleWe invite Software Engineers to join our expanding Product Engineering team! You will be instrumental in scaling and evolving our business by developing and maintaining both new and existing web applications along with their back-end systems. Your responsibilities will include coding (primarily in TypeScript), making architectural choices, recommending technology adoptions, and ensuring the reliability and security of our systems as they grow.

Join Condor Software as a Full-Stack Platform EngineerAt Condor, we are revolutionizing the financial infrastructure that supports clinical development. With billions invested annually in discovering and developing new therapies, we strive to connect clinical operations and finance into a cohesive system. By integrating real-time financial intelligence, we empower R&D and finance leaders with the tools they need to make informed, high-stakes decisions.We are an AI-driven, pharma-native infrastructure provider, scaling industry standards in collaboration with top-tier partners. Our platform facilitates prediction, control, and execution in the most complex R&D environments worldwide.The Importance of Your RoleHaving established ourselves as a trusted partner for enterprise teams, we are now focused on the challenging task of scaling our platform to meet increasing demands. As a rapidly growing company, backed by prominent investors like Felicis and 645 Ventures, this is a unique opportunity to contribute to the foundational infrastructure that will redefine how therapies reach patients.Your ResponsibilitiesAs a Full-Stack Platform Engineer, you will be pivotal in building and scaling the core platform that supports the financial intelligence infrastructure relied upon by leading biopharma companies. This role encompasses critical engineering tasks at the intersection of backend systems, cloud infrastructure, and intelligent automation, with a strong emphasis on reliability and scalability.Your primary focus will be on backend architecture, where you'll design and implement services that drive complex financial and operational workflows. You'll be instrumental in shaping data flow, workflow orchestration, and enabling emerging AI-driven capabilities. This role goes beyond simple integration; you'll be crafting robust primitives that support other teams as our product and customer base expand.Working as a core member of a cross-functional product team, you will closely collaborate with product managers, designers, quality engineers, and data specialists to transition features from concept to production. While backend expertise is crucial, you will also engage across the stack to ensure the platform's capabilities are effectively leveraged.

Join our dynamic team at idler as a Software Engineer, where you will play a pivotal role in designing and developing innovative software solutions. Our ideal candidate is passionate about technology, thrives in a collaborative environment, and is eager to tackle challenging problems. You will work with a talented group of professionals dedicated to excellence and creativity.

SquareTrade delivers protection plans and insurance products to a large customer base. The Engineering team develops and maintains the systems behind these services, ensuring reliability and efficiency. Role overview The Software Engineer position in San Francisco centers on building and enhancing technology that supports SquareTrade’s commitment to customer service. This role involves tackling projects that promote technical growth and hands-on problem-solving. What you will do Contribute to the design, development, and maintenance of systems supporting SquareTrade’s services Work with other engineers to solve technical challenges and improve existing solutions Participate in projects that encourage learning and skill development Location This position is based in San Francisco.

Join our dynamic team at reteam as a Software Engineer in the vibrant city of San Francisco! We are seeking innovative and driven individuals to contribute to our technology initiatives.In this role, you will have the opportunity to work on exciting projects that push the boundaries of software development.

About the Role Stripe is building technology that supports businesses worldwide. The San Francisco engineering team is looking for a Software Engineer to help improve our platform and deliver new features for our customers. What You Will Do Collaborate with other engineers to design and build new systems Enhance existing products and infrastructure Contribute ideas to improve the Stripe platform Location This position is based in San Francisco, California.

Join Twitch as a Software Engineer I in the Commerce Engineering team, where you will have the opportunity to contribute to our innovative platform. As a member of our dynamic team, you will work on exciting projects that impact millions of users, enhancing their experience and engagement.Your role will involve collaborating with cross-functional teams to design and develop robust software solutions. You will leverage modern technologies and methodologies to implement features that drive the success of our commerce initiatives at Twitch.

Handshake seeks an Associate Software Engineer to join the team in San Francisco, CA. This position is designed for recent graduates and those at the start of their software engineering careers. The role provides a chance to work with experienced engineers and contribute to new software products. What you will do Collaborate with team members to develop and enhance software features Take part in code reviews and group discussions Build practical skills through hands-on engineering projects Who this role is for Recent graduates or early-career software engineers Those eager to learn and grow within a supportive team This is an on-site position based in San Francisco, CA.

About MiddeskMiddesk is revolutionizing the way businesses collaborate by providing seamless business identity verification. Since our inception in 2018, we have replaced cumbersome manual processes with instant access to accurate and current data. Our platform empowers companies across various sectors to confidently verify business identities, accelerate customer onboarding, and mitigate risks throughout the customer journey.As a proud graduate of Y Combinator and backed by esteemed investors such as Sequoia Capital and Accel Partners, Middesk has been recognized in the Forbes Fintech 50 List and acknowledged as a leading authority in business verification by digital identity strategy firm, Liminal.About Middesk Engineering:At Middesk Engineering, we prioritize

Twitch Interactive, Inc. is looking for a Software Engineer I to join the team in San Francisco, CA. This is an entry-level position where engineers work together to build and refine features that reach millions of Twitch users. Collaboration and creative problem-solving are central to the team’s approach. Role overview This role focuses on developing and improving the Twitch platform. Software Engineer I team members contribute to projects that directly impact user experience and platform quality. What you will do Work alongside other engineers to create and enhance features on the Twitch platform Contribute to initiatives aimed at improving the experience for Twitch users Take part in team discussions and code reviews Who should apply This position is designed for early-career software engineers who want to learn, develop new skills, and grow within a supportive tech community.

A Better Built WorldAt Miter, we are dedicated to empowering construction contractors to build with confidence. Our success not only makes it easier but also accelerates the construction of vital physical infrastructure such as roads, bridges, utilities, data centers, and housing.For far too long, contractors in the construction and field services sectors have relied on outdated software—bulky, on-premise systems from the 1980s and 1990s.This is where Miter steps in. We harness the power of AI and integrated payment solutions to reconstruct the fundamental HR, finance, and operations systems that support our physical economy. With Miter, contractors such as Marathon Electrical, W.J. O’Neil, and Truebeck Construction are building stronger teams, managing job costs more effectively, and expediting jobsite operations.This vision resonates with many. Since our inception in 2021, we have grown to serve thousands of customers and achieved tens of millions in Annual Recurring Revenue (ARR), positioning us among the fastest-growing vertical software companies in history. To amplify our progress, we have secured over $50 million in funding from top-tier investors like Bessemer, Coatue, and Battery, who share our vision for the future.Hybrid vs. Remote Approach:We believe the real magic of Miter happens when we collaborate in person. However, we also value flexibility. For roles designated as hybrid, we encourage working in the office three days a week to foster connections, brainstorming, and stronger relationships. If you reside within a reasonable commuting distance to our offices in New York City or San Francisco, we request adherence to this hybrid model.For positions classified as remote or in locations without an office, there is no obligation to follow the hybrid model. We do arrange travel for onboarding and company or team-specific events a few times a year!About the Team and How We Work:Creating the operating system for the built environment is a significant challenge. We need to deliver a substantial amount of high-quality code in the years ahead, and to achieve this, we are cultivating an engineering culture focused on craftsmanship, ownership, and excellence.

Join us at Lever, a leading innovator in hiring software, as a Software Engineer in our vibrant San Francisco office. This role is an opportunity to become part of a dedicated team committed to enhancing talent acquisition through cutting-edge technology.At Lever, we pride ourselves on our culture of collaboration and continuous improvement. We are seeking passionate individuals who share our dedication to minimizing downtime and fostering a supportive environment. You will be integral in driving our values forward in our new Toronto office while contributing to our mission of transforming the hiring experience.THE TEAMIn our engineering team, we prioritize knowledge sharing and peer feedback, ensuring everyone grows and thrives. We are enthusiastic about automation, innovative chatbots, and providing exceptional user experiences. Your contributions will shape our approach to talent acquisition as we expand.THE TECH STACKLever utilizes our proprietary open-source MVC framework, Derby, which employs Operational Transformation for real-time data synchronization—similar to the technology behind Google Docs. Our infrastructure heavily relies on AWS, Docker, Node, MongoDB, ElasticSearch, and Redis. Tools like Hubot facilitate our deployment processes while Grafana provides insights into our systems. We emphasize automation and version control, utilizing Terraform and Chef to ensure consistency.

Join our dynamic team at Atlas as a Software Engineer in the vibrant city of San Francisco! We are looking for a passionate and innovative individual who thrives in a collaborative environment. As a Software Engineer, you will be responsible for developing cutting-edge software solutions that drive our mission forward.Your role will involve working closely with cross-functional teams to design, implement, and maintain software applications, ensuring they meet both functional and non-functional requirements. If you have a strong background in programming and a desire to work on impactful projects, we want to hear from you!

About the Role sesame is hiring a Software Engineer in San Francisco. This role focuses on building and maintaining software applications that improve user experience and support business goals. The team values collaboration and creative problem-solving. What You Will Do Design and implement software features and applications Maintain and improve existing codebases Work closely with teammates to solve technical challenges Location This position is based in San Francisco.

Julius builds AI-powered tools that automate knowledge work through code, aiming to make software creation accessible to a billion people. The platform already supports over a million users and generates millions of data visualizations, running more than a million lines of code every 36 hours. The engineering team brings experience from companies like Uber, Facebook, and Scale AI, and the company is backed by investors including AI Grant, YCombinator, Bessemer Venture Partners, and leaders from Vercel, Notion, and other top tech firms. Role overview This Mid to Senior Software Engineer - Product position focuses on designing and building user interfaces that keep Julius approachable for a wide audience. The product includes dynamic features such as tool usage, multi-step reasoning, code generation and execution, as well as secure file and secrets management. There is room to influence how these experiences evolve as the company grows. What you will do Develop products that use AI at scale for millions of users Design and implement intuitive, responsive, and high-performance user interfaces Work to improve application performance and ensure compatibility across browsers Requirements Minimum 3 years of experience with React, Next.js, and Tailwind CSS Solid understanding of front-end fundamentals: component architecture, state management, streaming UIs, and profiling for performance Experience scaling applications and backend systems, with familiarity in relational databases, caching, background jobs, and authentication Portfolio featuring live projects or shipped products Bonus: Experience with AI side projects or experimentation with large language models Compensation and benefits Competitive base salary with significant equity Comprehensive health and dental insurance Gym membership reimbursement Daily team meals Commuter benefits Interview process Introductory screening Short paid work trial (2-3 days) where you take ownership of a project at Julius Location: San Francisco, CA

At Mechanize, we are on a mission to revolutionize the economy through the automation of real-world tasks. We specialize in building reinforcement learning (RL) environments designed to enhance AI models, enabling them to tackle complex challenges. Our innovative solutions are trusted by leading AI laboratories. Discover more about our work at mechanize.work.As a Junior Software Engineer at Mechanize, you will play a key role in developing RL environments that cater to the needs of the top AI labs. This position is ideal for individuals who are nearing graduation or have 0-2 years of experience in software engineering, and possess proficiency in Python programming.Prior experience in machine learning or AI is not a requirement.Curious about our interview process? Learn more about it here.