Senior Software Engineer - Backend GraphQL at Airbnb

Founded in 2007, Airbnb has revolutionized the way people travel by connecting over 5 million hosts with more than 2 billion guest arrivals worldwide. Our platform allows guests to discover unique stays and experiences, fostering authentic connections with local communities.Join Our Innovative Community:Viaduct serves as Airbnb’s unified data access layer, handling over 70% of our API traffic.Positioned at the heart of our tech stack, Viaduct offers a global schema and query system via a GraphQL interface.Our mission is to empower app developers by delivering a smooth, efficient developer experience, enhancing productivity through simplified APIs and improved performance.The Viaduct team is composed of seasoned professionals dedicated to setting best practices and architecting the future of Airbnb.As part of the Application Platform sector of Infrastructure, we collaborate with various partner teams, including Build Infra, Service Platform, CI/CD, and more.We view our platform as a product, adhering to the principles of effective Platform Engineering.Having operated in production for over six years, our team is currently launching Viaduct Modern, an evolution of our GraphQL platform aimed at creating the best possible experience for hundreds of engineers at Airbnb.Viaduct has been released as an Open Source project, allowing your contributions to benefit both Airbnb's internal developers and the wider Open Source community.

About GridwareGridware is an innovative technology firm based in San Francisco, committed to safeguarding and optimizing the electrical grid. We have pioneered a revolutionary grid management approach known as Active Grid Response (AGR), which emphasizes the monitoring of electrical, physical, and environmental factors that influence grid reliability and safety. Our cutting-edge AGR platform leverages high-precision sensors to identify potential issues early, facilitating proactive maintenance and fault prevention. This holistic strategy aids in enhancing safety, minimizing outages, and ensuring the grid operates with maximum efficiency. Gridware is supported by prominent climate-tech and Silicon Valley investors. For further details, please visit www.Gridware.io.Role OverviewWe are looking for a talented Staff Software Engineer to act as a pivotal technical force within our team, enhancing the overall software engineering capabilities through architectural innovation, mentorship, and fostering a culture of excellence. In this role, you will design and develop the essential software systems that drive Gridware's platform. This encompasses everything from backend services that oversee our distributed network of devices to the front-end interfaces that visualize grid health, fleet diagnostics, and real-time field events.Your responsibilities will span the entire technology stack, building and scaling systems that integrate hardware, firmware, and cloud infrastructure to enable dependable communication, fleet visibility, and expedited decision-making. This position offers significant ownership and impact, allowing you to influence how our technology supports and protects critical infrastructure at scale.

About BroccoliBroccoli is revolutionizing the $500 billion home services industry by developing an AI operating system designed to empower trades businesses such as HVAC and roofing. Our intelligent AI agents handle customer interactions, manage job bookings, and ensure every lead is effectively captured.With the backing of prominent venture capital firms and a successful $27 million Series A funding round, we are on an aggressive growth trajectory. Collaborating with top private equity-backed home service platforms, we anticipate expanding our team fivefold by 2026, presenting a unique opportunity to join us early and make a significant impact.Why Join Broccoli?As a Staff Engineer, you will be instrumental in establishing the technical backbone of Broccoli AI. Your responsibilities will include ownership of critical systems, influencing architectural decisions, and shaping our development and deployment processes on a large scale.Immediate Impact: Your contributions will directly enhance production systems, benefiting hundreds of customers.Category Creation: Play a pivotal role in defining a new category of AI-powered workforce within an expansive market.Speed & Ownership: Enjoy the advantages of a small team with rapid feedback loops and substantial decision-making authority.Founder Collaboration: Partner closely with experienced founders to drive product and technical vision.What You’ll DoDesign, develop, and scale backend systems and internal tools for our AI agent platform.Take ownership of essential APIs and integrations, including systems like ServiceTitan.Lead complex features from initial design through to production deployment.Enhance real-time voice capabilities, reliability, and intelligence of AI agents.Mentor fellow engineers and help implement best practices across the team.Balance speed and quality while scaling systems to accommodate live customer traffic.What We’re Looking For7+ years of experience in backend or full-stack engineering.Strong system design and architectural skills.Proven experience in deploying and maintaining production systems at scale.Ability to thrive in high-growth, ambiguous startup environments.A proactive approach with a strong execution mindset.

Join Carta's engineering team as a Staff Software Engineer, where you will play a crucial role in developing innovative solutions that enhance our platform. You will collaborate with cross-functional teams to design, implement, and maintain scalable systems, ensuring high performance and responsiveness to requests from the front-end.We're looking for a passionate engineer who thrives in a fast-paced environment and is excited about tackling complex challenges. If you are eager to contribute to cutting-edge technology and drive impactful projects, we want to hear from you!

Role overview The Staff Software Engineer position at Amplitude, Inc. is based in San Francisco, CA. This role centers on developing and enhancing software to broaden the platform’s features. Day-to-day work includes direct software development and frequent collaboration with colleagues from various teams. What you will do Design, build, and maintain scalable software applications that support the platform’s growth. Collaborate with product managers and designers to deliver features that address user needs. Mentor junior engineers and contribute to their technical and professional development. Review code and help improve engineering practices throughout the team. Stay current with emerging technologies and industry trends to guide technical choices.

Join our innovative team at Crusoe as a Staff Software Engineer. In this pivotal role, you will leverage your advanced software engineering skills to design, develop, and optimize cutting-edge solutions that enhance our technology stack. Collaborate with cross-functional teams to drive projects from concept to completion, ensuring high-quality deliverables that meet user needs and business objectives.

Why Join AngelListAt AngelList, we tackle some of the most challenging issues in venture capital and private markets. Our team is driven by precision, urgency, and a vision for the future. If you're passionate about transforming the startup funding landscape, this is your opportunity.About AngelListOur mission is to fuel innovation by enhancing the success rate of startups globally. We achieve this by creating the financial infrastructure that facilitates investment in transformative companies. AngelList stands at the intersection of venture capital and the startup ecosystem, supporting over $171 billion in assets and facilitating investments in more than 13,000 startups, including over 300 unicorns. With 57% of premier U.S. VC deals involving AngelList investors, we are ambitious in our goals.If you are excited about shaping the future of private markets, we invite you to join our journey.About the Role: As a Staff Software Engineer for our Nova platform, you will be pivotal in defining and designing our development processes. You will be responsible for establishing the domain model and architectural patterns that will guide our engineering team. If you are a catalyst who can empower a team of eight to perform like a team of twenty by establishing clear patterns, embedding engineering context into our codebase, and driving vital initiatives forward, we want to hear from you.

About UsAt Imprint, we are revolutionizing the landscape of co-branded credit cards and financial products, making them smarter, more rewarding, and fundamentally brand-centric. We collaborate with esteemed brands like Crate & Barrel, Rakuten, Booking.com, H-E-B, Fetch, and Brooks Brothers to create innovative credit programs that enhance customer loyalty, unlock savings, and stimulate growth. Our sophisticated platform integrates cutting-edge payments infrastructure, intelligent underwriting, and a seamless user experience, enabling brands to offer impactful financial products without the need to become a bank.With co-branded cards accounting for over $300 billion in annual spending in the U.S., the majority are still managed by traditional banks. Imprint stands as the modern solution: agile, technology-driven, and tailored for today’s consumers. Supported by industry leaders like Kleiner Perkins, Thrive Capital, and Khosla Ventures, we are assembling a top-tier team to redefine payment methods and empower brand growth. If you're eager to work at a fast pace, tackle complex challenges, and make a significant impact, we want to hear from you.Discover more about us on Imprint's Technology Blog.Your RoleDesign and spearhead the development of secure, reliable, and scalable backend systemsProvide technical leadership and mentorship across diverse teams and projectsSet and advocate for coding standards, architectural principles, and technical vision within the engineering organizationCollaborate closely with product, design, and engineering leadership to align technical strategy with business objectivesDrive the continuous enhancement of system performance, scalability, and reliability to accommodate rapid growth and evolving business needsLead complex, high-impact projects from inception through deployment and ongoing optimizationEnhance developer experience through advanced tooling, comprehensive observability frameworks, and improvements in platform reliabilityMentor and nurture engineers through code reviews, design discussions, and technical guidanceContribute to the technical roadmap and identify innovative opportunities

Supported by prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private-sector institutions to address societal challenges with unparalleled speed and precision. Our AI-driven platform transforms fragmented and isolated data into actionable operational intelligence, quickly surfacing mission-critical information to facilitate informed and timely decisions that enhance outcomes across various contexts. Currently, Peregrine serves hundreds of customers across more than 30 states and two countries, impacting over 125 million individuals—and we are amplifying our influence as we expand into enterprise markets and internationally.Our TeamAs an engineering team, we place a strong emphasis on empathy, believing it enhances our solutions. Understanding how users interact with our product is essential, and engineers will collaborate closely onsite to grasp the diverse use cases that Peregrine addresses.We are seeking a Staff Software Engineer to join our core engineering teams. In this role, you will collaborate cross-functionally with design and product management to develop robust, scalable, and user-centric systems. Our teams confront a variety of challenges, from enabling real-time user collaboration on intricate maps to constructing high-scale backend architectures capable of processing billions of data points.We value ownership and teamwork; you will take complete responsibility for significant features and work closely with fellow engineers to ensure successful completion. We believe that humility and empathy are vital for crafting the right solutions—you will work directly with our deployment team and users as we refine our offerings to meet their needs. Creativity and perseverance will be key to executing our vision.RoleWe are looking for a Staff Software Engineer to join our expanding team, lead impactful projects, cultivate an inclusive team culture, and steer technical decision-making.This position is ideal for someone who excels in both people management and hands-on technical leadership. You will build a high-performing team, guide them through complex technical challenges, and ensure their work aligns with our business goals. The ideal candidate will effectively mentor while upholding high standards in technical execution.You will drive significant work that delivers value to our customers, from supporting emergency responders during hurricanes to de-escalating intricate organized crime situations. We are developing innovative capabilities that enable...

At Endeavor AI, we are redefining the landscape of enterprise AI solutions. Our innovative software serves as the distribution platform for cutting-edge AI models that will shape a more efficient world.We believe that artificial intelligence will revolutionize various sectors such as legal, healthcare, and finance. However, our primary mission is to create AI that can construct the very infrastructure that supports its own advancement. Our focus is on the building materials industry, which is currently hampered by outdated manual processes for quoting, order entry, and pricing. These inefficiencies not only result in lost revenue but also lead to unnecessary labor costs. Our AI-driven product addresses these challenges, and as we establish dominance in this sector, we plan to expand into other industries.While research labs develop the models of the future, our team is committed to delivering the last-mile solutions necessary for their implementation. We tackle the complexities of real-world environments, ensuring the reliability and effectiveness of our AI applications while integrating them into existing, traditional systems.Our Principles:We embrace boldness, especially when faced with skepticism about our goals.We prioritize truth and clarity over comfort.We are determined to succeed and are dedicated to hard work.The Role | Staff Software Engineer:In this role, you will optimize our applications to enhance the performance of critical business functions. You will independently identify bottlenecks in our codebase and implement improvements. This position offers a high degree of autonomy, allowing you to design database schemas, elevate code quality, and refine existing software architecture.

Airbnb, founded in 2007, has transformed the travel experience by connecting over 5 million hosts with more than 2 billion guests worldwide. Our platform enables unique stays and authentic community experiences for travelers around the globe.Join Our Community:At Airbnb, the Developer Infrastructure team is dedicated to empowering engineers and AI Coding Agents to produce high-quality software efficiently. We focus on infrastructure that enhances engineering productivity throughout the software development lifecycle, including build, test, and deployment.Your Impact:As a member of the CI+Build team, you will play a crucial role in optimizing our developer infrastructure, which encompasses remote build systems, CI clusters, flaky test management, and merge queues. Your contributions will help maintain a seamless mainline and accelerate pull request cycle times.In this role, you will define and implement cutting-edge build systems at Airbnb’s scale, guiding the technical direction for build infrastructure across diverse platform teams. You will collaborate with internal teams that deliver systems utilized by product engineers in backend, web, and mobile environments. Success in this position requires a deep understanding of the architecture of our largest internal backend services as we navigate an increasingly complex build graph.A Day in Your Role:Designing enhancements to our existing Bazel installation and remote build/cache infrastructure to boost correctness, reproducibility, and speed.Establishing the technical roadmap for the reliability and performance of our software build systems.Improving inner-loop development velocity and CI run-times through diagnostic efforts.

Join our innovative team at fal as a Staff Software Engineer specializing in large-scale computation platforms. We are seeking a seasoned software engineer with extensive experience in developing backend systems that efficiently orchestrate workloads and manage resource constraints. Your expertise in foundational cloud infrastructure and Linux provisioning will be crucial as you work towards achieving high reliability and scalability with minimal operational overhead.

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.

Join Whatnot as a Staff Software Engineer and be a key player in our mission to revolutionize online auctions. In this role, you will develop cutting-edge software solutions, collaborate with cross-functional teams, and drive innovation in our technology stack. Your contributions will directly impact the user experience for our community of collectors and enthusiasts.

Join our dynamic team at Idler as a Staff Software Engineer. In this role, you will drive innovation and lead the development of cutting-edge software solutions. Collaborate with cross-functional teams to create scalable applications that meet our customers' needs. Your expertise will play a vital role in shaping our product strategy and enhancing user experiences.

Join us in creating the data infrastructure for real-world robotic applications.As robotics technology advances from research environments into commercial settings—including factories, warehouses, and more—engineers depend on data to diagnose failures, unexpected behaviors, and necessary enhancements.At Foxglove, we develop cutting-edge tools for observability, visualization, and data infrastructure, enabling robotics and autonomous systems teams to ingest, store, query, replay, and analyze vast amounts of multimodal sensor data from both live systems and operational fleets.About the RoleWe are seeking an experienced Staff Software Engineer with a passion for tackling intricate product challenges and maximizing the potential of web technologies.At Foxglove, we are building high-performance, highly interactive tools for robotics and intricate data visualization—pushing past ordinary frontend frameworks. If you thrive on streaming extensive datasets, testing browser capabilities, and designing workflows that astound users with what's achievable in the frontend, this opportunity could be a perfect fit for you.

Senior Staff Software Engineer Location: Hybrid - Palo Alto Office on Tuesdays and Thursdays Make a Meaningful Impact At Midi Health, we're on a mission to transform women's healthcare. We are seeking a dynamic Senior Staff Fullstack Engineer who will act as a technical cornerstone within our Engineering Organization. As we expand, you will play a crucial role by translating intricate insights into cohesive technical blueprints and innovative products that drive our vision forward. Your Responsibilities Diagnose intricate technical challenges and spearhead architectural evaluations across diverse teams to mitigate technical debt, establish cross-service frameworks, and secure the long-term viability of Midi’s healthcare infrastructure. Function as a 'part-time product manager for technology', championing essential infrastructure enhancements that foster future operational agility. Design and develop outstanding, scalable, and adaptable products and code, striking a balance between execution speed and scalability. Influence engineering culture positively by promoting best practices for automated testing, CI/CD, and maintaining high-quality code across the entire stack. Assess high-level technical and business issues, architecting elegant and flexible solutions that consider long-term scalability and business expansion. Collaborate with Executive Leadership, Product, Marketing, and Clinical Stakeholders to uncover unmet customer and operational needs, translating business objectives into technical strategies that yield results for our patients and clinicians. Mentor senior and junior engineers through formal and informal channels, nurturing an environment of curiosity, humility, and technical excellence. About You You bring over 8 years of experience in building and scaling intricate engineering solutions, with a demonstrable history of leading large-scale architectural migrations in a startup setting. You have proven expertise in Django/DRF and React/Next.js. You are adept at navigating high-level abstractions, converting vague product and growth aspirations into tangible technical roadmaps. Your diverse background includes creating consumer-facing products alongside deep proficiency in architecting complex operational and workflow management systems. You are an advanced user of agentic coding tools and LLMs (e.g., Claude Code, GitHub Copilot) to expedite development and guide the team on high-leverage prompting and code auditing strategies.

Join the Revolution at CheckAt Check, we are transforming the payroll landscape. Our mission goes beyond just building a successful business; we collaborate with our partners to innovate payroll solutions. As pioneers of embedded payroll, we are reshaping the payment process, enabling payroll businesses to launch, expand, and succeed with ease. Discover our journey | Listen in.Check is more than an API; we are the catalyst for developing and scaling payroll operations.Our TeamThe payroll system is in dire need of innovation. We invite you to join a passionate team dedicated to making an impactful change! At Check, you will leverage creative problem-solving and critical thinking to influence every business we partner with. We view challenges as opportunities for improvement, valuing the unique contributions of each team member in our collective mission.If you're ready to dive in and transform payroll, let's collaborate to simplify complexity and enhance the future for businesses of all sizes.Your RoleAt Check, engineering is our foundation. We believe that payroll should resemble modern financial software; achieving this requires a comprehensive understanding of systems and reliable infrastructure that our partners can trust. Every product we deliver relies on scalable and secure systems that ensure timely payments and payroll processing.We are seeking a Staff Software Engineer who possesses strong software design capabilities coupled with hands-on infrastructure experience. In this position, you will focus on the essential systems that drive payroll operations, enhancing our service scalability, production operations, and empowering engineers with the tools to deliver software confidently and securely.You will collaborate across product and platform areas to enhance our cloud infrastructure, fortify our deployment and monitoring strategies, and streamline the architecture that supports embedded payroll services. The challenges you will address often intersect infrastructure, product, and operational domains.This opportunity is perfect for someone who has managed complex systems end-to-end in a dynamic environment and takes pride in developing resilient, comprehensible infrastructure that is vital to our operations.

About Us:Lunar is an innovative technology company operating in stealth mode, dedicated to creating a groundbreaking software platform for health systems. Our mission is to transform healthcare through advanced, AI-driven software that empowers every hospital to provide exceptional patient care. Our platform serves as the foundational backbone of modern health systems, revolutionizing clinical and operational workflows on a large scale with the world’s first AI-native hospital information system.This next-generation platform represents a comprehensive overhaul of the information infrastructure that supports health systems, encompassing all roles—from doctors and nurses to pharmacists, lab technicians, coders, billers, supply chain personnel, and even patients. We view our mission as the moon landing of healthcare—an extraordinary and ambitious endeavor that many deem impossible.Supported by leading venture capital firms in Silicon Valley, we are committed to the effectiveness of a small, high-performance team of seasoned professionals who operate at the peak of their abilities. We seek individuals who are driven, inquisitive, demonstrate sound judgement, and are passionate about delivering the best work of their careers.Our systems are built on Elixir, which we have adopted for its fault tolerance, concurrency, and scalability—crucial features for managing real-time patient data in critical environments such as Emergency Departments, ICUs, and Operating Rooms.We are in search of a Staff Software Engineer who is eager to address some of the most complex technical challenges in healthcare, joining a small, agile, and mission-driven team. If you are dedicated to writing clean, robust code and are excited about reimagining the software infrastructure of contemporary hospitals, we would love to connect with you.Technical Challenges You May Encounter in Your First 6 Months:Designing Modern Cloud Architecture: Build a cloud-native platform from the ground up without any legacy systems to complicate the process, utilizing Elixir as the foundation.Creating an Advanced Access Control System: Develop a modern access control system featuring fine-grained permissions that respect clinical data structures and patient data ownership while facilitating population-level insights for improved public health outcomes.Ensuring 24/7 Hospital Uptime: Engineer and deploy infrastructure capable of supporting rolling deployments, failover protocols, and continuous service availability.