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.

Who We Are:TwelveLabs is at the forefront of developing innovative multimodal foundation models that enable video comprehension akin to human understanding. Our groundbreaking models have set new benchmarks in video-language modeling, enhancing our capabilities and revolutionizing how we engage with and analyze diverse media formats.With an impressive $107 million in Seed and Series A funding, we're supported by premier venture capital firms including NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, alongside influential AI pioneers like Fei-Fei Li, Silvio Savarese, and Alexandr Wang. Our headquarters in San Francisco, complemented by a significant presence in Seoul, highlights our dedication to fostering global innovation.We celebrate the individuality of every team member’s journey, believing that the diverse cultural, educational, and life experiences of our employees fuel our ability to challenge the status quo. We seek passionate individuals who resonate with our mission and are eager to make a significant impact as we advance technology to reshape the world. Join us in redefining video understanding and multimodal AI.About the RoleAs a Senior Staff Infrastructure Engineer at TwelveLabs, you will leverage your technical expertise and leadership skills to construct the systems that drive our multimodal foundation models. Your focus will be on designing and enhancing a scalable, secure, and high-performance infrastructure that accommodates extensive AI workloads across both cloud-based and on-premises environments.This position demands strong technical acumen, an eagerness to delve into low-level systems when necessary, and the capability to influence infrastructure strategy through hands-on contributions and operational improvements. Your impact will be felt through your technical expertise and the results you deliver, rather than through hierarchical status, in a dynamic and fast-paced environment.In this role, you will:Architect and advance cloud and hybrid infrastructure, blending hands-on execution with technical leadership.Guide the development of AI/ML infrastructure components, engaging directly in critical tasks when necessary.Define infrastructure standards and abstractions while maintaining close interaction with production systems.Collaborate closely with Machine Learning Engineers, Data Scientists, Backend Developers, and other key stakeholders to ensure system alignment and efficiency.

At Crusoe, we are dedicated to accelerating the abundance of energy and intelligence. As a pioneering AI infrastructure company, we control every aspect of our operations — from energy generation to the digital tokens that power the world’s most ambitious AI workloads. Joining Crusoe means being part of a team that is shaping the future at an unprecedented pace.We are amid a transformative industrial revolution. The endless demand for AI computing power poses significant challenges, particularly concerning energy supply. Our energy-first strategy not only enhances AI infrastructure but also contributes positively to the environment, empowering innovators in the AI sector.We seek proactive, problem-solving team members who recognize the scale of our mission and are eager to navigate uncharted territories. If you aspire to advance your career alongside experts in energy, manufacturing, data center construction, and cloud services, we invite you to become part of our dynamic team.If you are ready to engage in the most impactful work of your career, assist our customers and partners in elevating their AI strategies, and contribute to a high-performing, supportive team, we welcome you to build the future with us at Crusoe.About This RoleThe Cloud Storage team at Crusoe is searching for a Senior Staff Software Engineer to act as the principal architect for our storage strategy. Unlike a Staff Engineer who leads feature development, a Senior Staff Engineer will define the long-term technical roadmap essential for our AI-scale infrastructure. You will play a crucial role in establishing the architectural strategy, ensuring the integrity and global scalability of our specialized storage services. Your work will focus on the underlying physics of the stack, bridging high-performance NVMe hardware with globally distributed object storage solutions that compete with S3.Your ResponsibilitiesArchitectural Vision & Strategy: Lead the development and execution of the long-term technical strategy for Crusoe's storage engine, while identifying and integrating industry trends such as CXL and NVMe-oF into a unified roadmap.System Programming Expertise: Utilize your extensive experience in system programming with languages such as C, C++, Go, and Rust to lay the groundwork for our V2 storage re-architecture.Storage Protocols: Design and implement solutions employing industry-standard storage protocols, including NFS, SMB, iSCSI, and NVMe/TCP.

About ApiphanyApiphany is a trailblazing AI company focused on revolutionizing physical product development. We empower innovators across automotive, aerospace, medtech, and energy sectors to convert vast unstructured technical data into real-time, actionable insights. Supported by elite investors including Markforged, Databricks, GM, and Character, our mission is to transform engineering decision-making, turning complexity into simplicity for leading manufacturers worldwide.Our advanced models are designed to address the intricacies of engineering and manufacturing, comprehending physics principles, design specifications, and program constraints. Our small, elite team consists of builders hailing from prestigious institutions such as Stanford, Berkeley, MIT, UW, and CMU, along with industry veterans from GM, Ford, and Genesis Therapeutics. We are committed to advancing hard-tech and establishing a market-leading company together.About the RoleIn the role of Senior / Staff Infrastructure Engineer at Apiphany, you will architect, build, and manage the infrastructure that underpins our intelligence platform. Your responsibilities will encompass secure, reliable, and scalable cloud deployments, including the unique challenge of deploying across both internal and customer-managed cloud environments.You will ensure our systems adhere to stringent requirements for latency, availability, and compliance within data-intensive environments. Additionally, you will shape our security strategy, implement infrastructure-as-code practices, and establish a solid foundation enabling engineering teams to deliver with assurance.

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.

Who We AreServal is an innovative AI-driven automation platform redefining operational efficiency for enterprises. Our intelligent agents seamlessly comprehend and execute real-world workflows, replacing outdated manual processes with adaptive, self-learning software. Since our inception in early 2024, we have garnered the trust of industry leaders such as General Motors, Notion, Perplexity, Vercel, Mercor, LangChain, and Verkada, streamlining high-volume operational tasks across their organizations.At the heart of Serval is a cutting-edge agentic AI platform that transforms natural language into actionable workflows. Our agents not only respond to queries but also reason, act across various systems, and continuously enhance their performance. What started as a solution for operational tasks has rapidly expanded into a versatile AI automation layer utilized across IT, HR, Finance, Security, Legal, and Engineering sectors.Our mission is to eradicate repetitive, manual tasks within enterprises, empowering teams through intelligent automation. In the long run, we aim to establish a universal AI operations layer—a system of agents that integrates across business functions, maintaining the momentum of modern companies.We are proud to be backed by renowned investors including Sequoia Capital, Redpoint Ventures, Meritech, First Round, General Catalyst, and Elad Gil, and founded by seasoned product and engineering leaders from Verkada.Role OverviewAs a Senior Software Engineer in Infrastructure at Serval, you will be pivotal in developing and scaling the core systems that empower our AI agents and workflow automation platform. A crucial aspect of this role involves enabling and supporting self-hosted deployments for enterprise clients needing on-premises or private cloud environments. We are looking for engineers with profound expertise in distributed systems, infrastructure-as-code, production operations, and customer-facing support, who aspire to influence the technical architecture of a rapidly evolving platform.What You'll DoDesign, implement, and operate large-scale distributed systems that power Serval's AI agents, workflow orchestration, and data pipelines.Create and maintain Terraform modules to provision and manage cloud infrastructure across AWS, GCP, or Azure environments.Develop and sustain deployment packages, installation scripts, and infrastructure templates, enabling customers to self-host Serval in their own environments.Provide technical support and guidance to enterprise customers during installation and deployment phases.

Join the Crew of Ivo!At Ivo, we are more than just engineers; we are the pioneers of the digital seas! Our crew has set sail with groundbreaking innovations that have reshaped the landscape of legal tech:• An AI agent that seamlessly integrates with MS Word to enhance your documents [2023]• Transitioning from traditional embedding models to agentic RAG for superior performance [2023]• Advancing large-scale LLM-driven legal fact extraction [2024]• A legal assistant capable of accurately searching vast contract databases [2024]• Clustering legal documents from the same lineage [2025]• Implementing automatic deviation analysis to uncover hidden risks in extensive contract databases [2025]• Merging contracts with amendments to create comprehensive “composite” contracts (one of our clients shed tears of joy upon seeing this) [2025]The Role of an Infrastructure EngineerAs an Infrastructure Engineer, you will be the architect of Ivo's platform, ensuring its robustness and scalability.Your mission includes:• Taking ownership of our environment's future, with ample room for creative system design.• Managing numerous customer deployments—every client deserves a unique setup, from containers to databases.• Instrumenting our systems to identify performance bottlenecks and errors.• Aggregating metrics, logs, and health checks into user-friendly dashboards and alerts.• Leading the charge during infrastructure incidents.• Accelerating our CI/CD system (currently a sluggish ~12 minutes—let's speed that up!).If you share our passion for LLMs and thrive in a dynamic environment, we want you to help us push the boundaries of DevOps:• Innovating real-time LLM evaluations to ensure the accuracy of our outputs.• Building upon our existing infrastructure to enhance performance and reliability.Set sail with us at Ivo, where your technical skills will help chart the course for the future of legal technology!

Harvey builds a secure, enterprise-grade platform for legal and professional services, powered by advanced agentic AI. The company serves more than 1,000 clients in over 60 countries and is backed by top investors. Harvey’s team emphasizes speed, ownership, and high standards, working closely with customers to address real-world needs. This Staff Software Engineer role is based in San Francisco and requires in-person work. Relocation support is available for those moving to the area. Role overview The Core Infrastructure team at Harvey designs and maintains the systems that support every user interaction on the company’s global legal AI platform. These systems process billions of prompt tokens and millions of daily requests for leading law firms and professional service providers around the world. The position combines new infrastructure development with a focus on operational reliability. The work has a direct effect on the platform’s scalability, security, and resilience as Harvey grows into new regions and serves more customers. Key responsibilities Design and implement scalable, fault-tolerant infrastructure systems for Harvey’s AI platform across multiple cloud regions. Own and enhance multi-cloud infrastructure (Azure, GCP), with emphasis on Kubernetes orchestration, networking, and container management. Lead technical initiatives in observability, incident response, and performance tuning.

Join Decagon as a Staff Software Engineer specializing in Machine Learning Infrastructure. In this role, you will play a crucial part in enhancing and optimizing our machine learning systems. You will collaborate with a talented team of engineers to build scalable and efficient infrastructure that supports our AI-driven initiatives.As a key contributor, you will leverage your expertise in software engineering and machine learning to solve complex challenges and drive innovation. Your work will impact various projects and help shape the future of our technology.

Who are we?At Cohere, our mission is to elevate intelligence to benefit humanity. We specialize in training and deploying cutting-edge models for developers and enterprises focused on creating AI systems that deliver extraordinary experiences such as content generation, semantic search, retrieval-augmented generation, and intelligent agents. We view our work as pivotal to the broad acceptance of AI technologies.We are passionate about our creations. Every team member plays a vital role in enhancing our models' capabilities and the value they provide to our customers. We thrive on hard work and speed, always prioritizing our clients' needs.Cohere is a diverse team of researchers, engineers, designers, and more, all dedicated to their craft. Each individual is a leading expert in their field, and we recognize that a variety of perspectives is essential to developing exceptional products.Join us in our mission and help shape the future of AI!Why this role?Are you excited about architecting high-performance, scalable, and reliable machine learning systems? Do you aspire to shape and construct the next generation of AI platforms that enhance advanced NLP applications? We are seeking talented Members of Technical Staff to join our Model Serving team at Cohere. This team is responsible for the development, deployment, and operation of our AI platform, which delivers Cohere's large language models via user-friendly API endpoints. In this role, you will collaborate with multiple teams to deploy optimized NLP models in production settings characterized by low latency, high throughput, and robust availability. Additionally, you will have the opportunity to work directly with customers to create tailored deployments that fulfill their unique requirements.

Join our innovative team at Astranis as a Senior Software Engineer specializing in Infrastructure. In this role, you will be responsible for designing, implementing, and maintaining robust infrastructure solutions that support our cutting-edge satellite technology. Your expertise will play a crucial role in enhancing the reliability and scalability of our systems.

About SentrySentry is dedicated to eliminating poor software experiences. Our mission is to empower developers to create high-quality software swiftly, allowing everyone to enjoy technology to its fullest.With over $217 million raised in funding and a community of over 100,000 organizations, including giants like Disney, Microsoft, and Atlassian, we are developing state-of-the-art performance and error monitoring tools. Our solutions help our partners minimize time spent on bug fixes and maximize product development.In our commitment to collaboration, Sentry follows a hybrid work model across our global offices. We have designated Mondays, Tuesdays, and Thursdays as in-office days to foster effective teamwork. If you are passionate about building tools that enhance the digital experience, join us in creating the next generation of software monitoring solutions.About the RoleAt Sentry.io, we offer vital services for diagnosing application health issues. Our tools are crucial for organizations aiming to respond adeptly in dynamic markets. We ensure a seamless and enjoyable experience in the development and deployment of these tools through a robust continuous integration environment and an insightful deployment pipeline.As part of the Infrastructure Engineering team, your contributions will be instrumental in supporting Sentry's growth and enabling engineering teams to operate with agility and confidence.Your responsibilities will include designing, developing, and maintaining internal software and platform capabilities that alleviate the cognitive load associated with infrastructure and developer tooling. You will create dependable, reusable abstractions that facilitate rapid shipping of features while incorporating durability, security, and operational excellence into service development and management.This role demands strong engineering judgment: selecting reliable technologies, planning for scalability from the outset, and crafting solutions that serve multiple teams. Your focus will be on practical systems that enhance reliability and ownership across the organization, driving adoption through comprehensive documentation, well-designed APIs, and seamless developer experiences that integrate into daily workflows.Ultimately, you will empower engineering teams to flourish within a culture of ownership—enabling them to deploy, manage, and evolve services confidently while minimizing operational burdens.Key ResponsibilitiesDesign systems that scale with company growth, ensuring a balance of reliability, performance, and cost-efficiency.Develop platform services that enhance internal operations and developer productivity.

About GustoAt Gusto, we are dedicated to empowering small businesses by managing essential services like payroll, health insurance, 401(k)s, and HR, allowing owners to focus on their passions and customers. With offices in Denver, San Francisco, and New York, we proudly support over 400,000 small businesses nationwide, fostering a workplace that reflects and celebrates the diverse customers we serve. Explore our Total Rewards philosophy. About the Role:We are seeking a seasoned engineer with extensive knowledge in distributed data systems to help shape the future of Gusto's storage architecture. In this impactful role, you will oversee intricate migrations, design high-scale systems, and establish benchmarks for automation, resilience, and security. Your work in implementing distributed database solutions will facilitate Gusto's ongoing growth and scalability.About the Team:The Datastores Infrastructure Engineering team is responsible for designing, building, and maintaining the data platforms that drive Gusto's products, including MySQL, Postgres, Redis, Kafka, and S3. We are committed to ensuring that our infrastructure is consistent, dependable, and equipped to support Gusto's expanding requirements. As we transition to self-hosted distributed databases, our focus lies in minimizing the blast radius, enhancing operational resilience, and enabling sustainable scalability.Here’s what you’ll do day-to-day:Architect, deploy, and manage the complete lifecycle of distributed database systems (TiDB) on Kubernetes at scale, ensuring high availability, data consistency, and operational excellence.Coordinate complex, zero-downtime migrations from monolithic to distributed architectures, including vertical sharding to isolate Product Services.Define and implement efficiency enhancements across the storage infrastructure through query optimization, caching strategies, and workload management.Establish standards and develop reliable automation to maintain data consistency, integrity, and security across distributed systems.Continuously enhance operational excellence by decreasing on-call burdens with sustainable, long-term solutions.Collaborate with product engineering teams and technical partners to enable rapid and reliable product development.

Compensation: Competitive base salary + substantial equityBenefits: Health & dental insurance, gym reimbursement, daily team lunches, 401(K)About JuliusAt Julius, we're pioneering advancements in applied AI by developing cutting-edge coding agents. Our platform executes approximately 1 million lines of code every 36 hours, serving over 1 million users and generating 3 million+ visualizations. We manage all code in isolated remote containers. As a revenue-generating entity, we are backed by AI Grant and founders with remarkable backgrounds from companies like Vercel, Notion, Perplexity, Palantir, Replit, Zapier, Intercom, and Dropbox.The RoleJoin us in building and scaling the robust code-execution platform that powers Julius, across both cloud and on-prem environments. We orchestrate over 500,000 containers/month and the demand is growing rapidly. You will take ownership of reliability, performance, and security within our multi-tenant compute environment.Your ResponsibilitiesDesign and manage a secure, multi-tenant container infrastructure that ensures quick startup and intelligent autoscaling.Implement on-prem/private cloud deployments using Helm and Terraform, integrating SSO, network controls, and audit logging.Enhance observability (metrics, traces, logs) with well-defined SLOs and lead incident response initiatives.Optimize images, scheduling, networking, and costs, while developing fair-use and rate-limiting controls.Your QualificationsStrong experience with production Kubernetes and container internals (Docker/containerd); solid understanding of networking principles.Familiarity with cloud environments (AWS/GCP/Azure) and Infrastructure as Code (Terraform/Helm).Proficiency in monitoring and logging tools (Prometheus, Grafana, OpenTelemetry, ELK/Vector).Understanding of security best practices for containerized, multi-tenant systems.Preferred QualificationsExperience with gVisor, Kata, Firecracker; Cilium/eBPF; GPU scheduling; serverless autoscaling (KEDA/Knative/Karpenter).Proven experience delivering on-prem or air-gapped enterprise software solutions.A passion for AI, with experience building side projects involving LLMs.Why Join Julius?Be part of a small, senior team where your contributions will have a massive impact. Tackle challenging infrastructure problems at a meaningful scale.

Senior Software Engineer, Infrastructure & PlatformRole OverviewIn the role of Senior Software Engineer, Infrastructure & Platform at AfterQuery, you will take on the exciting challenge of designing and constructing the essential infrastructure that drives our innovative data generation, evaluation, and agentic systems.Your responsibilities will include developing shared platforms that empower our engineering and research teams to execute large-scale human-in-the-loop workflows, evaluation harnesses, and automated data pipelines essential for training cutting-edge AI models.This position demands a high level of technical expertise and offers extensive ownership. You will be responsible for architecting and building the foundational infrastructure relied upon by numerous engineers, ensuring that systems are scalable, reliable, and capable of handling high-throughput workloads.Collaboration with the founding team will be key as you define system architecture, establish best engineering practices, and create the infrastructure that supports the evolution of AI development.

Join our dynamic team at Parafin as a Senior Software Engineer specializing in Infrastructure. In this pivotal role, you will design, develop, and maintain robust infrastructure solutions that support our scalable applications. Your expertise will help us enhance system performance, reliability, and security.We are looking for innovative thinkers who thrive in a collaborative environment. You will work closely with cross-functional teams to implement cutting-edge technologies that drive our product forward.

Join Convex in revolutionizing application development!At Convex, we are on a mission to redefine how software is constructed on the Internet. Our innovative platform enables developers to create swift, dependable, and dynamic applications without the need for a backend team. We offer a comprehensive full-stack application platform, meticulously designed with abstractions for databases, computing, and backend services, allowing both developers and LLMs to innovate rapidly, ensuring products that are scalable and maintain simplicity throughout their lifecycle.About Our Team:Our Convex team comprises engineers who have architected and built some of the largest backends globally, managing exabytes of data and millions of transactions per second. We are a friendly, collaborative group of passionate individuals who thrive on in-person collaboration in our San Francisco office.Position Overview:As Convex evolves, we are seeking outstanding senior or staff-level engineers to help us architect and sustain the future of our infrastructure at scale. If you have a passion for distributed systems and a robust background in designing and managing web infrastructure, we want to connect with you!We value robust architecture, effective collaboration, and simplicity. Our team embraces high ownership and places significant emphasis on operational excellence. This role is not solely focused on operations; we seek individuals who are dedicated to designing and constructing systems in the most effective manner possible, especially in a startup environment.Your Responsibilities:Architect, construct, and oversee Convex’s global cloud infrastructure.Analyze and enhance the performance and reliability of our systems.Independently prioritize projects, collaborating closely with the engineering team and CTO.Establish best practices and reliability standards as we expand our team and systems.Develop sophisticated systems and database code.Engage with feedback from leadership regarding seeking simpler and more elegant solutions.What We Value:A strong enthusiasm for distributed systems and backend infrastructure.A collaborative spirit and a desire to grow with the team.A commitment to best practices and maintaining high standards in engineering.

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.

Databricks is looking for a Senior Software Engineer focused on Compute Infrastructure in San Francisco, California. This position centers on building and improving compute architecture to support greater performance and scalability across Databricks' platform. What you will do Develop and optimize compute infrastructure to handle demanding data processing and analytics workloads. Work closely with teams from different disciplines to deliver reliable, high-quality solutions for customers. Impact Your contributions will help define how data processing and analytics evolve at Databricks. The work directly supports customers’ ability to scale and perform complex tasks in the cloud. Who we’re looking for Strong background in cloud technologies and compute systems. Enjoys tackling complex technical challenges. Collaborative approach to problem-solving with cross-functional teams.