Staff Software Engineer - Node Infrastructure

Anthropic is hiring a Staff Software Engineer to focus on Node Infrastructure. This position is based in San Francisco, New York City, or Seattle. Role overview This role centers on designing, building, and maintaining the core systems that support Anthropic’s services. The work directly affects the reliability and scalability of the company’s AI offerings. Collaboration Work closely with a skilled engineering team to develop infrastructure that supports high-quality AI solutions. The team values input and hands-on problem solving from every member. Impact Efforts in this role help ensure Anthropic’s services remain stable and can grow as demand increases. The systems you help create will play a key part in the company’s ability to deliver dependable AI products.

Join the Revolution at CheckAt Check, we transform the way people get paid, simplifying payment processes for payroll businesses. As pioneers of embedded payroll, we collaborate with our partners to redefine payroll systems, enabling businesses to launch, grow, and flourish. Discover our journey | Listen in.Check is more than just an API infrastructure; we serve as a launchpad for payroll businesses.Our TeamPayroll systems are in need of innovation. Join a passionate team dedicated to solving these challenges! At Check, your problem-solving skills, critical thinking, and determination will drive impactful changes across our projects. We view challenges as opportunities and encourage collaboration that leverages the unique strengths of every team member.If you are ready to dive in and reshape payroll, let’s work together to simplify complexities and create a brighter future for businesses of all sizes.The RoleEngineering is the backbone of Check. We envision payroll as part of modern financial software, which necessitates robust systems that our operators and partners can rely on. Every solution we develop is built on reliable, scalable, and secure systems that ensure timely payments.We are in search of a Staff Software Engineer who possesses strong software design expertise coupled with hands-on infrastructure experience. In this position, you will enhance the core systems that enable payroll operations, focusing on scalability, production efficiency, and empowering engineers with reliable tools for software deployment.You'll collaborate across product and platform teams to advance our cloud infrastructure, enhance system deployment and monitoring, and simplify the architecture underpinning embedded payroll. Your challenges will often bridge the domains of infrastructure, product, and operations.This role is perfect for individuals who have managed complex systems in dynamic environments and take pride in creating resilient, understandable infrastructure that is essential for business operations.

At Confido, we are revolutionizing the AI infrastructure that drives Consumer Packaged Goods (CPG) brands from analysis to execution. Our integrated platform streamlines cash applications, deductions, disputes, trade promotion management, forecasting, demand planning, and analytics, delivering significant time savings and enabling more intelligent financial decisions for our clients.We proudly support over 200 brands managing more than $20 billion in revenue, partnering with notable names such as OLIPOP, Simple Mills, and Dr. Squatch. With a recent $15 million Series A funding round led by Footwork Ventures and Y Combinator, we are poised for rapid growth and innovation.As a Staff Software Engineer, you will be instrumental in architecting and developing the core systems that drive the Confido platform. You will spearhead significant product and infrastructure projects, from AI-driven document processing to extensive financial analytics systems.This role offers a unique opportunity to merge technical excellence with impactful product development, collaborating closely with engineering, product teams, and clients to transform intricate operational workflows into scalable software solutions.Location: New York, NY (Relocation assistance available)

At Profound, we are dedicated to empowering businesses to comprehend and manage their AI presence effectively. As an Infrastructure Software Engineer, you will play a pivotal role in building and scaling the systems that facilitate our rapid expansion. Your primary focus will be on ensuring that our infrastructure is not only highly available but also cost-efficient and capable of managing significant traffic and compute demands. You will collaborate closely with engineers across product, research, and operations teams to design scalable architectures, streamline deployment processes, and enhance system observability.Your ResponsibilitiesDesign and maintain core infrastructure across diverse cloud environments.Develop infrastructure-as-code workflows to automate deployment and scaling processes.Enhance monitoring, logging, and alerting systems to ensure system reliability.Oversee CI/CD pipelines to facilitate seamless deployments.Assist in disaster recovery planning to guarantee high system availability.Collaborate with product and research teams to design architectures that can scale with increasing workload demands.Identify and resolve performance bottlenecks in compute, storage, and networking.Implement security best practices and compliance frameworks across the infrastructure.

Playground builds software to help child care providers manage their businesses more efficiently. The platform supports thousands of schools across the United States, with a focus on making high-quality child care more accessible. The company has secured millions in funding and holds several statewide contracts, reflecting strong momentum in the education technology space. Playground’s founders have been recognized on the Forbes 30 Under 30 list for their work in child care technology. The team values a culture where ownership and collaboration are central. Engineers at Playground regularly work together on challenging projects that have a direct impact on customers and the broader child care sector. Role overview This Staff Software Engineer position is based in New York City. The role centers on building and improving Playground’s core products as the company grows. Engineers here contribute to significant technical decisions and help shape the future of the platform. What you will do Work on complex software projects that support child care businesses nationwide Collaborate closely with other engineers and teams to deliver high-impact solutions Take ownership of technical challenges and contribute to a culture of shared responsibility Requirements Experience leading or contributing to large-scale software projects Ability to work effectively in a collaborative, team-driven environment Based in or willing to work from New York City

Role overview Braze, Inc. is hiring a Senior Staff Platform Infrastructure Engineer based in New York City. This position centers on designing and improving the core infrastructure that supports Braze’s products and services. The engineer will guide complex technical projects and partner with teams throughout the company. What you will do Design and enhance platform infrastructure to strengthen Braze’s offerings Take the lead on technical projects, managing them from initial planning through execution Work closely with colleagues across departments to deliver reliable and scalable solutions Share ideas and technical knowledge to help drive improvements and innovation in the platform

About Amperos HealthAmperos Health stands at the forefront of revolutionizing revenue cycle management (RCM) for healthcare clinics, enabling them to optimize revenue collection efficiently and swiftly. Established in 2023 and supported by notable investors such as Uncork, Neo, Nebular.vc, and strategic angels from industry leaders like OpenAI, Stripe, and Twilio, our mission is to transform the relationship between healthcare providers and payers. We envision an AI-driven workforce that alleviates administrative workload and accelerates the financial return for healthcare professionals.About the RoleAs our inaugural Infrastructure Engineer, you will spearhead the development of our infrastructure at Amperos. You will manage DevOps, enhance developer experience, ensure compliance, and oversee observability and monitoring within our AWS environment. This role presents exciting challenges associated with AI infrastructure, and you will have the chance to mold and lead your team as we expand.Key ResponsibilitiesEstablish and maintain the infrastructure to support Amperos' growth trajectory.Enhance and optimize AWS infrastructure, boosting development efficiency and creating modular engineering frameworks.Develop systems that expedite the deployment of AI features and enhance observability of large language models (LLMs).Minimize AWS expenditures while improving visibility into infrastructure costs.Lead initiatives related to security and technical compliance, including VPNs, firewalls, and network configurations.Candidate ProfileA minimum of 5 years of experience in leading infrastructure teams within top-tier organizations.Ability to identify key ROI infrastructure challenges from the outset and develop a strategic roadmap for enhancements.Proficient in leading engineering discussions and articulating the impact of infrastructure projects.Adaptable and willing to take on diverse roles as needed; no task is too small.Demonstrates high agency, with the capability to produce results with minimal guidance.Excellent verbal and written communication skills; proactively shares vital information with the team.Passionate about leveraging technology to address challenges in an underserved industry.

About the Role Traba is hiring a Staff Software Engineer in New York City, NY. This senior-level role focuses on designing, building, and maintaining software systems that support business goals. The position calls for strong technical experience and a hands-on approach to solving complex problems. What You Will Do Design and implement software systems that support Traba’s products and services Maintain and improve existing codebases Work closely with other engineers and cross-functional teams to deliver reliable solutions Contribute technical expertise to key architectural decisions

About KiddomKiddom is an innovative educational platform dedicated to enhancing student equity and growth. By combining high-quality instructional resources with interactive digital learning, Kiddom enables schools and districts to take control of their curriculum. This results in personalized learning experiences that cater to the distinct needs and aspirations of local communities. The platform is enriched with insightful data for teachers and leaders, fostering continuous improvement in instructional strategies, school programming, and professional development.As a member of the InfraOps team, you will play a crucial role in supporting Kiddom's engineering efforts by developing a scalable and sustainable infrastructure that aligns with our company objectives. This is a unique chance to join a small, skilled team during a pivotal moment as we transition from Series C to D funding. You will have the autonomy to influence your work significantly, embracing a variety of tasks that reflect your expertise and enthusiasm.Key Responsibilities:Promote and cultivate a robust DevOps culture at Kiddom by collaborating with teams to establish best practices and guide both new and existing services.Implement Infrastructure as Code (IaC) to ensure confidence in automated, repeatable processes.

Role overview arch.co seeks a Staff Software Engineer to join the team in New York City. The role centers on designing and building software that advances the company’s mission. Collaboration with colleagues from various teams is a regular part of the work, with a focus on delivering solutions that have real impact. What you will do Plan and develop software features in partnership with cross-functional teams Design new systems and enhance those already in place Apply technical expertise to projects that influence the company’s direction Location This role is based in New York City.

Traba connects industrial businesses with thoroughly vetted workers, aiming to make workforce management more efficient and dependable. The company focuses on orchestrated multi-agent AI workflows to optimize supply chain operations. Investors include Founders Fund, Khosla Ventures, and General Catalyst. This Staff Software Engineer role is part of Traba’s founding team in New York City. The position focuses on backend services and platform development, with a direct line to the CTO. This engineer will help set the technical direction and build systems that support Traba’s long-term growth. What you will do Design and develop core backend services and platform components Collaborate with the CTO on architectural decisions and technical strategy Contribute to defining and refining the product and technology roadmap Build foundational systems to enable Traba’s scaling and future expansion

Astronomer develops Astro, a unified DataOps platform powered by Apache Airflow®. Over 800 enterprises rely on Astronomer to help their teams apply software, analytics, and AI to real-world challenges. More details are available at www.astronomer.io. Role overview The Airflow Infrastructure team at Astronomer scales Apache Airflow for organizations with complex data pipelines. This group works within Research and Development, focusing on cloud-native infrastructure and open-source integration. As a Software Engineer on this team, the main responsibility is building the infrastructure layer that connects open-source Airflow with scalable, enterprise-grade cloud systems. The work directly impacts how companies orchestrate and manage data pipelines, emphasizing speed, reliability, and ease of use. This position is based in New York City and follows a hybrid work schedule. What you will do Write and maintain backend services using clean, well-tested code. Collaborate with engineers, product managers, support, and leadership to align technical direction with business goals. Participate in code reviews and provide constructive feedback to peers. Enhance the performance, reliability, and scalability of backend systems. Prototype and suggest new ideas to improve user experience. Document systems and processes in a clear, accessible manner. Join on-call rotations to troubleshoot and resolve incidents as they occur. Requirements 3-5 years of experience with Python, Golang, and Kubernetes. Strong understanding of distributed systems and microservices architecture. Experience working with cloud platforms and CI/CD pipelines. Demonstrated problem-solving skills and a collaborative mindset.

Welcome to Oscar! We are excited to announce an opening for a Senior Staff Software Engineer to become a vital part of our Engineering team. Oscar is pioneering the health insurance industry with a comprehensive technology platform designed to prioritize our members' needs. Founded in 2012, we envisioned a health insurance company that operates like a caring family doctor, dedicated to serving our community. About the Role As a Senior Staff Software Engineer, you will take charge of designing and enhancing our cutting-edge claims and payment processing systems within our distributed team. Your innovative work will cover a wide range of challenges, including contract and pricing configuration, system extensibility through our proprietary Domain-Specific Language (DSL), and optimizing data pipeline architecture for greater efficiency. You will leverage artificial intelligence to tackle complex problems, automating and refining processes that were previously labor-intensive and prone to errors. Your primary focus will be on constructing scalable and dependable systems that uphold the accuracy and efficiency of our claims and payment workflows. You will report directly to the Director of Software Engineering. Work Location: This position will be based out of our New York City office, following a hybrid work model that requires three days in the office each week. Thursdays will be dedicated to in-office team meetings and events, while the other two office days will be flexible based on your schedule. #LI-Hybrid Pay Transparency: The base salary for this role ranges from $192,000 to $252,000 annually. In addition, you will be entitled to employee benefits, access to Oscar's unlimited vacation policy, company equity grants, and performance-based annual bonuses.

At PermitFlow, we are transforming the construction landscape in America through the power of applied AI. Our innovative platform addresses a critical challenge in the construction industry: determining what can be built, where, and how. Our intelligent AI agents empower leading construction firms to efficiently manage permitting, licensing, inspections, and project closeouts, thereby accelerating the development of housing, clean energy, and infrastructure nationwide.Despite the construction sector's massive $1.6 trillion size, it often faces significant delays, capital wastage, and missed opportunities. PermitFlow has already enhanced the speed, accuracy, and transparency of over $20 billion in projects, enabling contractors to streamline compliance processes, mitigate project risks, and scale operations with greater assurance.As the U.S. embarks on a new capital expenditure supercycle encompassing data centers, manufacturing facilities, residential projects, and renewable energy, joining PermitFlow means contributing to the foundational AI infrastructure that will power a new era of industrialization.With over $90 million raised, including our recent Series B funding round, we are backed by prestigious investors such as Accel, Kleiner Perkins, Initialized, Y Combinator, Felicis, and Altos Ventures, alongside influential leaders from OpenAI, Google, Procore, ServiceTitan, Zillow, PlanGrid, and Uber.Our headquarters are located in New York City, where we operate on a hybrid work schedule (3 days in-office per week). We are particularly interested in candidates based in NYC or those willing to relocate.

Join Watershed as a Cloud Infrastructure Software EngineerAt Watershed, we are revolutionizing the way enterprises manage their sustainability efforts. Our platform is trusted by industry leaders such as Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens to effectively handle climate and ESG data, produce audit-ready metrics for various reporting requirements, and drive meaningful decarbonization initiatives. We are seeking passionate team members dedicated to product innovation and eager to contribute to a mission-driven startup culture.With offices in San Francisco, New York, Denver, London, Paris, Berlin, Sydney, Mexico City, and a growing remote workforce across the US and Europe, we invite you to be part of our expanding team!Your RoleAs part of the Cloud Infrastructure team at Watershed, you will play a pivotal role in developing the foundational systems that our products rely on. You will also be instrumental in creating tools that our engineering teams use to deploy, test, scale, and monitor their applications effectively. This is an exciting opportunity to support a rapidly evolving codebase and build systems that enhance the experience for all engineers at our company.We are looking for candidates with experience in managing cloud infrastructure, navigating various scalability challenges, and optimizing engineering productivity. Familiarity with Google Cloud Platform is a plus, but not mandatory.We value traits such as customer obsession, hard work, inclusivity, and optimism in our team members.Are you a good fit?3-5+ years of engineering experience.Experience working on Infrastructure or Platform teams, or significant involvement in projects with infrastructure components (e.g., multi-region architecture, CI/CD, infrastructure as code, Kubernetes, release management, observability, cloud security).A passion for building the right tools to match our company's growth stages.A collaborative spirit that fosters great outcomes for customers.This position is based in our New York office.

Join Suno: Redefining Music CreationAt Suno, we are transforming the music technology landscape to unleash creativity, where your ideas harmonize into sound and your songs come alive. Our innovative platform is fueled by cutting-edge music creation models, making musical expression accessible to millions around the globe.Founded by passionate Harvard alumni just two years ago, Suno has rapidly ascended to a valuation of $2.45 billion, achieving $200 million in annual recurring revenue and securing $250 million in Series C funding in November 2025. With a dynamic team of 150 dedicated professionals across our offices in Venice Beach, Cambridge, and New York City, we are among the fastest-growing AI startups worldwide.Our iOS team has garnered over 100,000 reviews with a stellar 4.9 rating on the App Store, playing an integral role in shaping our products and driving our company's success.Position OverviewWe are seeking pioneering members to join our iOS team. In this role, you will collaborate closely with our founding team and take ownership of various technical and design decisions for Suno’s iOS application.Discover our musical tribute to this role here: https://suno.com/s/oEdmOtkZDLHCopSGKey ResponsibilitiesDesign and develop Suno’s iOS app for music creation, exploration, and listening experiences.Establish foundational abstractions and libraries for high-performance, interactive audio applications.Engage in design and product decisions across the application.Enhance the performance, aesthetics, and user experience of our products.Qualifications7+ years of experience in delivering production iOS applications.Proficient in Swift, utilizing SwiftUI and UIKit as needed.Experience in crafting fluid animations, adept at converting prototypes into robust implementations.A strong commitment to exceptional user experiences, with a focus on detail, rapid iteration, and diligence.A genuine passion for music—whether listening, exploring, or creating—is a significant advantage.Bachelor's degree or equivalent experience required.

About UsAt Adaptive, we are pioneering the future of real estate and construction with our innovative AI-native ERP solutions. As a rapidly expanding vertical AI company based in New York City, we have successfully attracted over 600 customers and secured $26 million in funding from top-tier investors including Emergence, a16z, and several prominent angel investors from leading companies such as Brex, Ramp, and Shopify.Why Join Our Team?Empower Local CommunitiesWe support the small businesses that are transforming our neighborhoods—whether it’s your favorite local café, the new home on the block, or the accessory dwelling units that help address the housing crisis. Our customers are passionate, skilled individuals who breathe life into their communities through their craft.Be at the Forefront of InnovationJoin us in a collaborative environment where your contributions are valued. Our team, composed of experts in finance, technology, and construction, is dedicated to driving success in a vast market. With our vision and momentum, we’re excited to have you on board!Your RoleWe are thrilled to announce an opening for a Staff Software Engineer at Adaptive! Your technical acumen will play a pivotal role in steering our engineering initiatives and ensuring the delivery of top-notch software solutions.Reporting directly to the VP of Engineering, you will collaborate closely with a talented team of 15 engineers and product specialists, focusing on the architecture, development, and optimization of our cutting-edge products.Key ResponsibilitiesDrive the successful execution and delivery of product priorities in partnership with the product and design teams.Lead the architectural design and technical strategy of our software, ensuring it is scalable, efficient, and secure.Align technical solutions with our business objectives and product vision.Facilitate technical discussions and decision-making processes in line with company goals and technology strategy.Mentor and nurture a team of engineers, instilling a culture of technical excellence and continuous improvement.

About SandbarAt Sandbar, located in the vibrant heart of New York City, we are dedicated to enhancing human capability in an increasingly agentic world. Our innovative team has developed cutting-edge software, machine learning, and hardware products, collaborating with industry leaders including Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.Our flagship product, Stream, represents the future of human-agent interaction—a sophisticated private voice ring and conversational computer that has garnered attention from WSJ, Bloomberg, and Wired, with shipping set to commence in Summer '26.We invite you to join us in pioneering a transformative interface for self-augmentation.Your RoleWe are on the lookout for a talented and experienced infrastructure engineer to play a critical role in the development of Stream. You will be instrumental in creating a highly scalable, real-time production service that incorporates multiple stages of machine learning and data processing. Collaboration with mobile and firmware engineers will be essential as you lay the groundwork for groundbreaking human-computer interactions.

About DecagonDecagon stands at the forefront of the conversational AI revolution, enabling brands to provide exceptional concierge-level customer experiences. Our cutting-edge technology empowers renowned enterprises such as Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to implement AI-driven agents. These agents facilitate personalized interactions across all communication channels including voice, chat, email, and SMS.Our vision is to transform the landscape of customer interactions, moving beyond traditional support tickets and hold music toward expedited resolutions, enriched conversations, and stronger relationships. We are proudly supported by prestigious investors such as a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, all of whom share our ambitious vision.As an in-office company, we thrive on a collective commitment to excellence and speed. Our core values—Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle—guide our collaborative efforts and professional growth.About the TeamThe Infrastructure team is responsible for designing and maintaining the essential frameworks that drive Decagon’s operations, including networking, data management, machine learning serving, developer platforms, and real-time voice communication. We collaborate closely with product, data, and machine learning teams to create high-scale, low-latency systems that meet stringent service level objectives and offer exceptional developer experience.Our team focuses on five critical areas:Core Infrastructure: Our foundational cloud architecture encompasses networking, computing, storage, security, and infrastructure-as-code, ensuring reliability, scalability, and cost-effectiveness.Data Infrastructure: We develop streaming and batch data platforms that drive analytics and business intelligence while enabling customer-facing telemetry for both customer-managed and on-premises environments.Machine Learning Infrastructure: Our platforms support GPU and model serving for large language model inference, featuring multi-provider routing and capabilities for on-premises or air-gapped deployments.Developer Experience Platform: We focus on continuous integration and deployment (CI/CD), streamlined processes, and essential services that facilitate fast, safe, and consistent shipping across teams.Voice Infrastructure: Our telephony and WebRTC stack ensures ultra-low-latency, high-quality voice communication, supported by comprehensive observability.Our mission is to deliver extraordinary support experiences where AI agents collaborate with human operators to resolve challenges swiftly and accurately.About the RoleWe are seeking a Senior Infrastructure Engineer who will play a pivotal role in shaping our infrastructure landscape and enhancing the efficiency and performance of our systems.

About Aura: At Aura, we are dedicated to creating a world where people maintain genuine connections with their loved ones every day. Our innovative digital frames have transformed into a private social network, enabling users to effortlessly share photos and videos with family and friends through our user-friendly apps, all displayed beautifully on premium Wi-Fi frames. Aura is proud to be the most recommended digital frame by independent reviewers and the only one endorsed by The New York Times Wirecutter. With millions of frames in use globally, we are constantly pushing the boundaries of innovation, introducing new products and software features, and expanding into new markets, driving profitable growth. Our network of millions of digital picture frames delivers photos to users worldwide, especially during peak gifting seasons, requiring our infrastructure to be scalable and robust. We leverage advanced computer vision and machine learning technologies to process hundreds of millions of photos, enhancing how users discover, arrange, and display their cherished memories. Our commitment to continuous improvement in both hardware and software is unwavering. Role: Join our dynamic infrastructure engineering team located in New York City and San Francisco, where you will design, develop, and maintain adaptable backend systems for a Rails API. These systems are engineered to scale efficiently while supporting our rapidly evolving product line and upholding stringent standards for performance, security, and cost-effectiveness. What you’ll do: Architect and implement sharding for our PostgreSQL backed Rails API Lead initiatives focused on enhancing system reliability, which includes monitoring, alerting, and incident response Optimize application and database expenditures