Senior Software Engineer - Product Development

About Sprinter Health:At Sprinter Health, we are dedicated to transforming healthcare accessibility by delivering services directly to patients' homes. Approximately 30% of patients in the U.S. forgo essential preventive or chronic care due to transportation challenges, often leading them to the emergency room as their first point of contact with the healthcare system, resulting in over $300 billion in avoidable costs annually.Leveraging cutting-edge technologies that drive leading marketplace and last-mile platforms, we prioritize delivering care where it is needed most. To date, we have successfully assisted over 2 million patients across 22 states and conducted more than 130,000 in-home visits, boasting a remarkable 92 Net Promoter Score (NPS). With a team of skilled clinicians, technologists, and operators, we have raised over $125 million from esteemed investors such as a16z, General Catalyst, GV, and Accel, ensuring a strong multi-year runway for our initiatives.About the Role:We are seeking an experienced Senior Backend or Full-Stack Software Engineer with a minimum of 5 years of experience who is eager to create the foundational systems that enable last-mile healthcare delivery. In this role, you will engage in developing products that integrate logistics, patient experience, safety, and medical operations. You will be responsible for building and scaling backend services, data flows, integrations, and product experiences that are critical to patient care. Your responsibilities will include routing clinicians, managing booking flows, integrating medical devices, and mitigating clinical errors, allowing you to manage complex, high-impact systems from inception to execution. If you are passionate about solving real-world problems through coding and delivering products that enhance healthcare access, we invite you to apply.Work Environment:As a hybrid company based in the Bay Area, we have offices in both San Francisco and Menlo Park. We value work-life balance and understand that flexibility is essential at times.

About Our TeamJoin our innovative Applied AI team at OpenAI, where we responsibly deploy cutting-edge technology for global impact. We are the creators behind transformative products like ChatGPT, Plugins, DALL·E, and the APIs for GPT-4, GPT-3, embeddings, and fine-tuning. Our team also manages large-scale inference infrastructure, with exciting developments on the horizon.We are dedicated to learning from real-world deployments to maximize AI benefits while ensuring its responsible use. Prioritizing safety over unchecked growth, we directly engage with end-users through ChatGPT and empower developers via our APIs, enabling unprecedented product features.About the PositionAs a pivotal member of our Engineering Acceleration team, you will design, build, and maintain the essential systems that drive the development of ChatGPT and our APIs. This growing team offers you the opportunity to shape the strategy and vision that enhances developer productivity.Key Responsibilities:Lead the creation and implementation of tools and processes that boost engineering efficiency, minimize manual tasks, and enhance output quality.Leverage our advanced AI tools to redefine productivity standards within our engineering teams.Collaborate with internal teams to identify their workflows, challenges, and requirements, ensuring our systems effectively address their needs.Deliver innovative features and research capabilities in partnership with product engineers to establish the necessary technical groundwork.Advise engineering teams on best practices for building observable and scalable systems.Maintain responsibility for the reliability of the systems we develop, including participating in an on-call rotation for critical incident response.Ideal Candidate Profile:5+ years of engineering experience, with at least 3 years focused on developing infrastructure tools for developers.Empathetic understanding of the tools and processes that hinder engineering teams, contributing to inefficiencies or burnout.A relentless passion for learning and innovating in a fast-paced environment.

About Us:At Lunar, we are at the forefront of healthcare innovation, developing a groundbreaking software platform that aims to transform health systems. Our mission is to redefine healthcare delivery through advanced AI-powered solutions that enable hospitals to provide exceptional care to their patients. Our platform serves as the backbone of modern health systems, streamlining both clinical and operational workflows with the world’s pioneering AI-native hospital information system.This state-of-the-art platform represents a comprehensive overhaul of the information infrastructure that underpins healthcare services. From physicians and nurses to lab technicians and patients, Lunar’s software integrates and empowers every aspect of healthcare delivery. We view our mission as revolutionary, akin to a moon landing in the healthcare sector—an ambitious endeavor that many deem unattainable.Supported by leading venture capital firms from Silicon Valley, we champion a small, high-performing team of experts committed to operating at their highest potential. We seek individuals who are motivated, inquisitive, demonstrate sound judgment, and are dedicated to producing exceptional work throughout their careers.Our infrastructure is built on Elixir, chosen for its robustness, concurrency, and scalability—critical for managing real-time patient data in high-stakes environments such as Emergency Departments, ICUs, and Operating Rooms.We are in search of a Senior Product Engineer who is eager to confront some of the most challenging technical obstacles in healthcare, joining a nimble, driven, and mission-focused team. If you are passionate about crafting clean, reliable code and wish to redefine the software infrastructure of contemporary hospitals, we invite you to connect with us.Here are some challenging technical issues you may encounter in your first 6 months:Design a modern cloud architecture from the ground up: With no legacy systems to complicate matters, we are developing a cloud-native platform centered around Elixir.Create an improved access control system for clinical data: Develop a modern access control framework featuring fine-grained permissions that respects the structure of clinical data and patient data ownership while facilitating population-level insights for enhanced public health.Ensure hospitals remain operational around the clock: Design and implement infrastructure capable of handling rolling deployments and failover strategies to maintain uptime.

Role Overview Parafin is hiring a Senior Software Engineer focused on Lending Products in San Francisco, CA. This role centers on building and improving software that powers financial solutions for lending. The work directly shapes how customers interact with Parafin’s products and how efficiently lending operations run. What You Will Do Design, implement, and refine software systems for lending products Work closely with engineers and other team members to deliver features that improve the lending experience Identify opportunities to streamline processes and boost product performance

Adyen is looking for a Senior Software Engineer to join the Financial Products team in San Francisco. This role focuses on designing and building software that supports a wide range of clients and business needs. The main objective is to create reliable systems that process financial transactions quickly and securely. Role overview This position centers on developing software solutions for Adyen’s financial products. The work involves building systems that handle sensitive transactions, ensuring both efficiency and security remain top priorities. What you will do Design and implement software tailored to financial products Develop transaction processing systems with a focus on speed and security Collaborate with teams across various functions to deliver effective solutions Contribute to keeping Adyen’s financial offerings innovative About Adyen Adyen is a global payments company that works with businesses around the world. The team values collaboration, technical skill, and ongoing improvement in financial technology.

Why Join UsAt Brex, we are revolutionizing the way businesses manage their spending through our AI-driven spend platform. Our integrated solutions, including corporate cards, banking, and global payment systems, empower companies to manage their finances with confidence. We proudly serve tens of thousands of businesses, from innovative startups to established enterprises like DoorDash, Flexport, and Compass, enabling them to take control of their expenditures, streamline costs, and enhance efficiency worldwide.Joining Brex means pushing your boundaries, challenging conventional thinking, and collaborating with some of the brightest talents in the tech industry. We are dedicated to fostering a diverse and inclusive culture, where your aspirations are only limited by your imagination. We equip you with the necessary tools, resources, and support to advance your career.Engineering at BrexOur engineering teams are committed to developing scalable systems with purpose and speed. We encompass diverse areas such as Software, Data, Security, and IT, and we thrive on autonomy and collaborative efforts. Our approach involves tackling complex technical challenges, taking ownership of our results, and striving for excellence in every phase—from architecture to deployment. Here, engineering is an art, and builders evolve into leaders.Your RoleAs a Senior Software Engineer at Brex, you will be instrumental in the end-to-end development of innovative products, whether for a small startup or a large corporation. We seek passionate individuals who excel in building products and navigating the complexities of dynamic environments. You will create impactful customer-facing products that directly influence business outcomes and help shape our long-term technical strategy while maintaining high standards of quality. You will be encouraged to leverage metrics and data, think creatively, and contribute to Brex's scaling efforts as we enter new markets. Your Work EnvironmentThis position is based in our San Francisco office, where we embrace a hybrid work model that blends the vibrancy of in-office collaboration with the flexibility of remote work. We currently require a minimum of three coordinated in-office days per week (Monday, Wednesday, and Thursday), with the option for up to four weeks of fully remote work each year!

Why Choose Flux?At Flux, we are transforming the landscape of hardware development by pioneering the world's first AI Hardware Engineer. Our mission is to democratize access to cutting-edge hardware creation and transform the way electronics are designed and manufactured globally.About the RoleWe are on a quest to build the first AI Hardware Engineer, software capable of designing tangible, manufacturable electronics from simple prompts. As a Senior Software Engineer focusing on Agentic Development, you will be responsible for creating the system's intelligence, developing agentic workflows, reasoning graphs, and integrations that empower both novice and experienced engineers in their journey from concept to manufacturable hardware.This position fuses advanced web engineering with AI systems design. You will leverage TypeScript and LangGraph within the Flux web application and backend platform, embedding intelligent features directly into the design environment.Key ResponsibilitiesDevelop and implement agentic reasoning capabilities using TypeScript (LangGraph).Integrate AI functionalities into the Flux web application (React/Redux) and Chat UI.Implement telemetry and logging for monitoring runtime health, performance, and cost efficiency.Collaborate closely with product and electrical engineers to refine intelligent ECAD workflows.Conduct evaluations and translate insights into engineering decisions.Contribute to the development of agentic patterns, conventions, and best practices within the engineering organization.Required Qualifications8+ years of experience in software engineering, with at least 1 year in developing generative-AI or agentic systems.Proficient in TypeScript, React, and Node.js.Experience with LangChain, LangGraph, or similar orchestration frameworks.Proven track record in building asynchronous, distributed systems in a production environment.Experience in integrating LLM-based systems into complex user-facing web products.Strong communication skills and comfort working in a fully remote, asynchronous team setting.Previous experience in a startup or in 0→1 product development environments.Preferred QualificationsFamiliarity with retrieval systems, evaluation pipelines, or agent benchmarking.

About UsAt Koah Labs, we are innovating the advertising landscape by creating an ad network designed for the next generation of AI-driven products. Our mission is to empower publishers with monetization solutions while enabling advertisers to connect with their target audience seamlessly, all without sacrificing speed, user experience, or privacy.As a compact and dynamic team based in San Francisco, our members bring diverse expertise from leading companies like X, Apple, and Meta, as well as from successful startups. Backed by top-tier investors, we are rapidly scaling with significant momentum on both the publisher and advertiser facets of our marketplace.Joining Koah means becoming part of something impactful from the outset; your code will directly influence the company's future and the ecosystem we are developing. We prioritize agility, trust, and a deep commitment to quality in our work.Our Technology StackInfrastructure: Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, CloudflareData Management: PostgreSQL, ClickHouse, Redis, Kafka, PythonCore Application Development: Ruby on Rails, React, TypeScriptSoftware Development Kits (SDKs): iOS, Android, Web, Flutter, React NativeKey ResponsibilitiesContribute to shaping the engineering organization’s foundation.Lead initiatives across the technology stack, exercising significant influence over product direction and technical design.Engage in technically challenging and fulfilling work, from optimizing matching algorithms to delivering high-quality user experiences for millions.Collaborate with cross-functional teams in data and go-to-market strategies to steer product development based on customer needs.Adopt a mindset of experimentation, continuously learning how users engage with AI-driven products and utilizing data from these insights to inform our efforts.Ideal Candidate ProfileProven experience in building and scaling production-quality systems and user experiences.Comfortable working across the technology stack, tackling unfamiliar tasks, and navigating ambiguity.Thrives in an in-person environment and values rapid feedback loops.Enjoys deconstructing problems and validating hypotheses through testing.

At C1, we are pioneering the future of security with our innovative AI-native identity security platform, designed to safeguard every type of identity—human, non-human, and artificial intelligence. Our solution harnesses the power of automation and platform-level AI, providing comprehensive access visibility and enforcing meticulous controls. Trusted by industry leaders such as DigitalOcean, Instacart, Ramp, and Zscaler, C1 delivers an intuitive, quick-to-deploy experience that empowers enterprises to manage identity efficiently.As a Software Engineer on our Product Development team, you will play a pivotal role in crafting the features, interfaces, and systems that enhance our identity governance solutions. Your work will span the entire technology stack, from backend APIs to frontend components, ensuring seamless delivery of exceptional product experiences. Collaborating closely with Product, Design, and fellow engineers, you will transform complex workflows into elegantly simple solutions, enhancing customer access management and compliance automation.This is a high-impact role where you will take ownership of shipping production-quality code, participating in technical design, and influencing the evolution of C1’s products as we scale.

Join our innovative team at Pallet as a Software Engineer specializing in product development. In this role, you will be responsible for designing, developing, and maintaining software solutions that enhance user experience and drive business growth. Collaborate with cross-functional teams to bring new features to life and improve existing systems.

About StravaStrava is the ultimate app for individuals who embrace an active lifestyle. With a vibrant community of over 180 million athletes spanning more than 185 countries, Strava transcends mere workout tracking—it's a platform where individuals collaborate to achieve their goals, develop new habits, and surpass personal milestones. Regardless of your chosen sport or tracking method, Strava is here to support you. Join us and start crushing your goals today by beginning your journey with Strava.Our mission is straightforward: to inspire individuals to lead their most active lives. We firmly believe in the transformative power of movement to connect and propel people forward.About This RoleAs a key member of the Foundation engineering team at Strava, you will play a crucial role in ensuring the reliability and security of the infrastructure that supports millions of athletes on their journeys. You will develop the tools, frameworks, and platforms that are essential to delivering valuable features to our users.In your role as a Senior Engineer on the Foundation team, you will have the opportunity to enhance Strava's core platform. You will empower teams to innovate swiftly and confidently by enhancing the developer experience, creating tools, collaborating with teams, and ensuring that features are delivered safely and efficiently.We embrace a flexible hybrid work model, which means you will spend over half of your time on-site at our San Francisco office—three days a week.

Join Baseten as a Software Engineer focused on developing cutting-edge products that push the boundaries of technology. In this role, you will collaborate with a dynamic team to design, implement, and maintain innovative software solutions that meet the needs of our users. You will have the opportunity to work on exciting projects that utilize the latest technologies and methodologies.

Mixpanel supports over 29,000 organizations, including Workday, Pinterest, LG, and Rakuten Viber, in transforming data into actionable insights. The platform blends product and web analytics, session replays, experimentation tools, feature flags, and metric trees. Mixpanel’s AI-driven analytics help teams improve adoption, retain users, and launch features confidently. More about the company can be found at mixpanel.com. Proactive Insights Team The Proactive Insights team is a new group dedicated to advancing Mixpanel’s AI analytics vision. Their mission is to move from reactive analytics to a system that proactively surfaces insights for users. The team tackles challenges such as identifying what changed in the data, understanding the reasons behind those changes, and recommending next steps. The aim is to keep users informed with timely and relevant recommendations, both within the Mixpanel platform and through external channels. AI-powered root cause analysis: Agents diagnose metric changes, identify key drivers, and suggest actions. AI automations for KPI monitoring: Automated agents track KPIs and deliver insights to Slack, email, or directly in Mixpanel. Intelligent alerts and anomaly detection: Advanced models, such as TimesFM, highlight significant shifts in data. Role overview The Senior Software Engineer - AI Product Insights joins the Proactive Insights team to build features that redefine how teams interact with their data. This position covers the full stack: designing dynamic frontend experiences using React, developing backend services in Python, and integrating with the query engine to surface unexpected insights. The work directly supports Mixpanel’s goal of making analytics more proactive and useful for customers. Location This role is based in San Francisco with a hybrid work arrangement.

About the TeamJoin the Fleet team at OpenAI, where we create essential components that empower innovative research across a spectrum from small-scale initiatives to cutting-edge advancements. Our mission is to accelerate the journey toward Artificial General Intelligence (AGI) by collaborating with diverse teams to enhance the development of groundbreaking capabilities.About the RoleAs OpenAI continues to expand its talented pool of researchers and engineers, we are looking for a dedicated and resourceful Software Engineer focused on enhancing the development experience for both our engineering and research teams.In this pivotal role, you will design and maintain systems that facilitate rapid development, testing, and deployment of new features, ensuring a seamless and efficient development cycle. You will be instrumental in shaping our vision for software development, overseeing the architecture of our continuous integration pipelines, testing frameworks, and the support structures for our build environments.Your expertise in Python, Rust, and C++ will be crucial as you strive to elevate our development processes, creating a state-of-the-art experience for our researchers. Your contribution will be vital in providing the necessary tools and metrics to support our fast-paced culture, ensuring a stable and scalable platform for growth while promoting a frictionless experience for OpenAI’s research efforts.This position is based in San Francisco, CA, following a hybrid work model of three days in the office each week, along with relocation assistance for new hires.You may excel in this role if you:Have experience supporting large-scale monorepo development and deploymentPossess strong programming skills in Python, particularly in large monoreposAre proficient in Docker and KubernetesHave a solid background in Continuous Integration/Continuous Deployment (CI/CD)

Why join Brex?At Brex, we are revolutionizing financial management with our AI-driven spend platform, designed to empower companies of all sizes — from innovative startups to established enterprises like DoorDash and Compass. Our integrated services, including corporate cards, banking, and global payments, along with intuitive travel and expense software, help organizations manage their spending confidently, reduce costs, and enhance operational efficiency globally.Joining our team means embracing challenges, pushing boundaries, and collaborating with some of the brightest minds in the tech industry. We are dedicated to fostering a diverse and inclusive workplace, where your potential is only limited by your ambition. Our commitment is reflected in the tools, resources, and support we provide for your professional growth.Engineering Excellence at BrexOur engineering teams are focused on creating scalable systems with precision and speed. We operate with a high degree of autonomy and collaborative spirit, tackling complex technical challenges and driving excellence from architecture to deployment. Here, engineering is not just a job — it’s a craft, and our builders are empowered to become leaders.Work EnvironmentThis position is based in our San Francisco office, where we foster a hybrid work culture that balances the vibrant energy of in-person collaboration with the flexibility of remote work. Currently, we require team members to be in the office for at least three coordinated days each week: Monday, Wednesday, and Thursday. Additionally, we offer the opportunity for up to four weeks of fully remote work each year!Your RoleAs a Senior Software Engineer on our Product Data Platform (PDP) team, you will play a crucial role in developing and maintaining the high-performance data, query, and search infrastructure that underpins essential product experiences at Brex. Your mission will be to create systems that are customizable, scalable, and reliable for finance teams, requiring the development of optimized, production-grade backend solutions.In this role, you'll focus on data-intensive, distributed systems at scale, leading architectural and performance enhancements across the platform to improve latency, correctness, and scalability across various product surfaces. You’ll also contribute to AI-powered data products, including a dynamic reporting experience that allows customers to interact intelligently with their financial data. Your contributions will ensure that these systems remain fast, reliable, and designed for growth.

Role Overview Discord is looking for a Senior Software Engineer to focus on Developer Success in the San Francisco Bay Area. This role centers on improving the developer ecosystem so that creators can build outstanding experiences on the Discord platform. What You Will Do Design and implement solutions that make it easier for developers to use Discord’s tools and services. Work closely with teams across the company to solve challenging technical problems. Help shape the direction of developer-facing products and features. Drive initiatives that boost developer engagement and satisfaction. Who We’re Looking For Strong background in building high-quality software. Experience collaborating with multiple teams to deliver impactful solutions. Interest in supporting and improving the developer experience. Passion for technology and developer communities.

Join Cloudflare as a Senior Software Engineer in our Network Development team, where you will design and implement innovative network solutions that enhance our global infrastructure. This role offers the opportunity to work with cutting-edge technologies and collaborate with talented engineers to drive significant improvements in network performance and reliability.

Join Our Team as a Senior Software Engineer (Product)At daydream, we are revolutionizing the dental industry by streamlining the complexities of insurance claims and billing processes. Our innovative platform allows dentists to focus more on their patients and less on administrative burdens, addressing a $165 billion market that often sees professionals lose 10-20% of their revenue due to inefficiencies.We believe that enhancing the revenue cycle management through automation provides greater financial clarity for patients and providers alike, while supporting small business dentists across America.The RoleWe are seeking a highly skilled Full-Stack Product Engineer to design, develop, and maintain user-facing applications that cater to our customers and our internal billing teams.Key Responsibilities:Design, build, and maintain sophisticated applications that enhance user experience for both our clients and internal stakeholders.Create and maintain models for complex, data-driven domains from both backend and UI perspectives.Collaborate closely with domain experts and end-users to refine product strategy and ensure the tool meets their daily operational needs.Contribute to shaping a positive engineering culture within our team and organization.Are You a Good Fit?You have successfully launched and managed full end-to-end products that generated revenue.You have experience as part of an early-stage engineering team in a startup environment.You have effectively collaborated across multiple departments to deliver substantial end-to-end features.You have experience as a core technical contributor in a startup or are considering launching your own.

Join Convex and revolutionize application development!At Convex, we are dedicated to transforming the way developers construct applications. Our mission is to fundamentally reshape software development on the Internet by enabling developers to create fast, reliable, and dynamic applications without the need for backend teams. Our comprehensive full-stack app platform is meticulously designed with database, compute, and backend abstractions, allowing developers and LLMs to innovate quickly while ensuring that products remain scalable and manageable over time.About Our Team:Our team comprises engineers who have designed and built some of the most significant backends worldwide, handling exabytes of data and millions of transactions per second, while delivering desktop and mobile software to billions of devices. We are a friendly, collaborative, and passionate group that thrives on working together in our San Francisco office.Your Role:At Convex, we have a vast product surface area that includes our dashboard, insights, third-party integrations, project management, billing systems, email services, logging, and streaming, all of which are crucial to our customers’ businesses. These products need to be robust, reliable, intuitive, and enjoyable to use. We seek engineers who are passionate about creating excellent product experiences and expanding our offerings, particularly as we advance into higher markets.If you are an engineer with a keen design sensibility who values quality and is skilled at prioritization while collaborating directly with customers and business teams, you will likely be an excellent fit for our team. This role is for those who aspire to do impactful work and utilize product insights to determine the “why” and “what” of our development process, not just the “how”.Your Responsibilities Include:Designing, building, and maintaining Convex’s platforms, dashboard UI, integrations, billing, and other services.Collaborating directly with customers and leadership to define feature development plans.Developing a deep understanding of customer needs and business objectives to make informed tradeoffs and prioritize effectively.Establishing best practices and reliability standards as our team and systems grow.Contributing to a culture of excellence in product development.