Senior Infrastructure Engineer at Bitgo | San Francisco

About VibecodeAt Vibecode, we are revolutionizing the way software is created. Our innovative platform empowers anyone to articulate an idea and instantly transform it into a fully functional application—no coding skills required.We are tackling one of the most significant challenges in computing: aligning human intent with software execution. This endeavor necessitates groundbreaking advancements in AI reasoning, code generation, and user experience design.Our impressive seed funding comes from some of the top investors globally, including Alexis Ohanian (776), Arielle Zuckerberg, Cyan Banister (Long Journey), Ali Partovi, Suzanne Xie (Neo), and numerous esteemed angels from Google, Expo, OpenAI, and beyond.About the RoleAre you eager to be at the cutting edge of infrastructure design for a consumer product that will reach millions? If so, this opportunity is perfect for you.We seek an Infrastructure Engineer to develop the foundational systems that support millions of AI-generated applications. You will design a platform capable of securely hosting thousands of user-created applications concurrently while ensuring optimal performance and unwavering reliability.Your Responsibilities:Develop and implement secure sandbox environments for executing untrusted AI-generated code at scale.Create orchestration systems for stateless containers capable of launching over 10,000 applications simultaneously.Architect backend API services for real-time code generation, compilation, and deployment.Establish monitoring and observability systems for complex, multi-tenant application infrastructures.Design auto-scaling solutions to manage unpredictable traffic patterns from viral consumer applications.Build security-focused infrastructure that isolates user applications while preserving performance.This is not conventional infrastructure work. You will face unique challenges related to large-scale code execution, develop systems that are yet to be created, and establish infrastructure paradigms suited for the AI-native era.

About VibecodeAt Vibecode, we are revolutionizing the software development landscape. Our innovative platform empowers individuals to articulate their ideas and seamlessly transform them into functional applications, all without requiring any coding skills.We are tackling one of the core challenges in computing: effectively connecting human intent with software execution. This pursuit demands groundbreaking advancements in artificial intelligence reasoning, code generation, and user-centric design.Backed by prominent investors including Alexis Ohanian (776), Arielle Zuckerberg, Cyan Banister (Long Journey), Ali Partovi, and Suzanne Xie (Neo), along with a stellar group of angel investors from leading tech companies such as Google, Expo, and OpenAI, we are poised for remarkable growth.

About VibecodeAt Vibecode, we're revolutionizing the way software is created. Our innovative platform empowers anyone to express their ideas and instantly transform them into functional applications—no coding expertise required.We are tackling a critical challenge in computing: closing the gap between human intent and software execution. This mission demands groundbreaking advancements in artificial intelligence, code generation, and user experience.We have successfully secured substantial seed funding from a prestigious group of investors, including Alexis Ohanian (776), Arielle Zuckerberg and Cyan Banister (Long Journey), Ali Partovi and Suzanne Xie (Neo), and numerous distinguished angel investors from leading organizations such as Google, Expo, and OpenAI.About the RoleAre you ready to lead the charge in creating user-friendly consumer AI solutions? This is your opportunity!We are seeking a talented iOS Engineer to develop a mobile experience that makes software creation feel like magic. You will design and implement high-quality animations and interactions that ensure

About VibecodeVibecode is a pioneering full-stack vibe coding platform designed for both mobile and web development. Our mission is to empower entrepreneurs, creators, and small business owners to craft production-ready applications effortlessly, without the need for traditional coding skills. Leveraging the cutting-edge AI coding agent, Claude Code, our platform transforms ideas into sophisticated applications with professional-grade design. At Vibecode, we envision a future where vibe coding reigns supreme in software development, and we are committed to providing the essential tools and educational resources to make this vision a reality.The RoleWe are on the hunt for a passionate and skilled AI Education Content Creator to join our dynamic team. In this pivotal role, you will lead the charge in educating a global audience on harnessing Claude Code within the Vibecode app for a variety of applications, including internal tools, static landing pages, personal websites, portfolio sites, and both simple and complex mobile and web applications. Your contributions will be vital in shaping the educational landscape surrounding AI-driven software development, demystifying the process, and empowering the next generation of creators.This is a rare opportunity to contribute to a rapidly growing company while simultaneously establishing a prominent personal brand in the realms of AI and vibe coding. You'll collaborate closely with our team, including our founder Riley, to produce impactful educational content for our platforms, including our YouTube and Twitter channels, such as “Vibecoding Explained” and Riley’s YouTube, and potentially your own channels.You'll gain invaluable insights into crafting high-quality long-form and short-form content across various platforms including Twitter, YouTube, and Instagram, significantly enhancing your personal brand and influence in the field of AI education.ResponsibilitiesContent Creation: Create engaging and informative educational content, encompassing tutorials, guides, and project-based learning materials in both long-form (YouTube videos, articles) and short-form (Twitter threads, TikToks, Reels) formats.Curriculum Development: Construct and structure educational content that elucidates the mindset of vibe coding for full applications.Platform Growth: Enhance growth and engagement for our “Vibecoding Explained” YouTube and Twitter channels, as well as your personal branding channels, by producing content that resonates with our audience.

About ChalkAt Chalk, we are revolutionizing the data platform that drives the future of machine learning applications. Our mission is to eliminate the complexity, latency, and scalability issues that have historically limited ML capabilities. Our platform seamlessly integrates Rust-speed performance with user-friendly tools that developers adore. Renowned companies trust Chalk to combat fraudulent credit card transactions, verify identities, and enhance clean energy utilization. Recently, we secured a $50 million Series A funding, spearheaded by Felicis.About the RoleWe are on the lookout for talented engineers to join our Infrastructure team. This is a unique opportunity to become one of our early hires and significantly impact a fast-growing startup. You will have the autonomy to solve complex engineering challenges and take ownership of your projects.We seek a platform engineer with a solid background in infrastructure engineering. At Chalk, we are tackling problems related to DBMS query planning, optimization, compilers, and distributed analytical data processing systems.Chalk employs dynamic and static analysis of Python code to optimize arbitrary user Python code, orchestrate the necessary infrastructure implied by that code, and track metadata regarding data flow through our systems.Our team works in the office five days a week. We are flexible with unavoidable conflicts, but this is not a hybrid position.What You Will DoDevelop code to automate the orchestration and provisioning of infrastructure to implement Chalk technology for our customers and prospects.Create a robust platform for managing our hosted services and deploying Chalk into customer-owned cloud environments across AWS and GCP.Collaborate closely with our Engineering and Sales teams.Contribute to interviewing and expanding the Engineering team.What We’re Looking ForMinimum of 2 years of experience in software development for automated infrastructure management.Proficiency in Python, Go, and/or Terraform.Hands-on experience with AWS and/or GCP.Strong collaborative skills in both technical and non-technical teams.

The OpportunityJoin rowspace as an Infrastructure Engineer and play a pivotal role in constructing and safeguarding the core of our cutting-edge AI data platform. In this position, you'll engineer systems capable of managing extensive volumes of sensitive financial information while adhering to rigorous security and compliance standards. Your work will involve real-time integration of public data with private, tenant-isolated customer data at scale.Key ResponsibilitiesDesign and implement scalable infrastructure to support our AI-driven knowledge engine that processes both structured and unstructured financial data.Establish a security-first architecture for private cloud environments, ensuring data governance aligns with financial services regulations.Create resilient data ingestion pipelines that accommodate a variety of data sources, from CapIQ feeds (structured data) to internal SharePoint documents (unstructured data).Develop comprehensive monitoring and alerting systems for our BYOC platform.Enforce access controls and maintain audit trails to ensure that AI interactions can be traced back to primary sources.Collaborate with our AI Research and Product teams to enhance infrastructure for LLM inference and training workloads, as well as agent infrastructure development.Establish CI/CD practices and infrastructure-as-code for swift, reliable deployments across multiple cloud providers.

About Chalk Inc. Chalk Inc. is revolutionizing the data platform landscape to empower the next generation of machine learning applications. We are dismantling traditional barriers of complexity, latency, and scalability that have historically limited ML capabilities. Our platform delivers Rust-speed performance paired with developer-friendly tools, making it the preferred choice for leading companies tackling issues such as preventing fraudulent credit card transactions, identity verification, and optimizing clean energy generation. Recently, we secured a $50 million Series A funding round, led by Felicis. About the Role We are seeking exceptional engineers to join our Infrastructure team. This is a unique opportunity to become an early employee in a high-growth startup, where you can make a significant impact. In this role, you will address complex engineering challenges with a high level of autonomy and ownership. Note: Our team works in the office five days a week. While we are flexible during unavoidable conflicts, this position is not hybrid. We are looking for a platform engineer with a solid foundation in infrastructure engineering. At Chalk, we tackle challenges from database management systems (DBMS), query planning and optimization, compilers, and distributed analytical data processing systems. Our team utilizes both dynamic and static analysis of Python programs to optimize arbitrary user Python code, orchestrate infrastructure based on the code structure, and track metadata concerning data flow through these systems. What You Will Do Develop automation code for orchestrating and provisioning infrastructure to execute Chalk technology for our customers and prospects. Create a management platform for our hosted services and oversee the deployment of Chalk in customer-owned cloud environments across AWS and GCP. Collaborate closely with our Engineering and Sales teams. Assist in interviewing and expanding the Engineering team. What We Are Looking For At least 2 years of experience in writing software for automating infrastructure management. Proficient in Python, Go, and/or Terraform. Experience with AWS and/or GCP. Strong collaboration skills.

At Greptile, we are on a mission to develop intelligent agents that autonomously verify code modifications. Our current focus involves utilizing AI to analyze pull requests on GitHub, effectively identifying bugs and enforcing coding standards. With our technology, we review nearly 1 billion lines of code each month for over 3,000 companies.Challenges We Are Excited To TackleDeveloping agents that can learn coding standards through experience, similar to how new hires adapt.Determining customer-specific preferences for pull request feedback using sample-efficient reinforcement learning to enhance signal-to-noise ratios.Implementing automated deployments of feature branches and leveraging agents to stress-test the application for bug detection.Our Growth TrajectoryServing over 7,000 customers.Successfully raised $30 million from prominent investors including Benchmark, Y Combinator, Paul Graham, and Initialized.Our TeamWe have curated a highly skilled team that has successfully scaled vital functions at leading companies such as Stripe, Google, Figma, and others.Key ResponsibilitiesDesign and implement resilient infrastructure to accommodate Greptile's expanding user base.Collaborate with our largest enterprise clients to facilitate the deployment of Greptile within their environments.Streamline the on-premise deployment process to support smaller clients with minimal hands-on intervention.

About NumeralNumeral is revolutionizing the automation framework for online commerce, beginning with the often tedious task of sales tax compliance. We take care of everything from registration to remittance, providing an exceptional service that allows e-commerce businesses to concentrate on their core mission: expanding their products, customer base, and teams.As one of the rapidly growing companies from Y Combinator’s Winter 2023 cohort, we are backed by prestigious investors such as Benchmark Capital. Our team boasts extensive experience from the pioneering days at Stripe, Airbnb, Notion, and other leading firms, and we are poised to bring that same level of expertise, speed, and ambition to an industry ripe for transformation.Numeral may be small, but our impact is significant. Our growth is already approaching unmanageable levels, meaning each new hire will play a crucial role in shaping our company’s future. If you’re eager to join as an early team member and desire the kind of ownership that can define your career, we would love to connect with you.MissionOperating an online business today often requires juggling numerous responsibilities, many of which are not why founders launched their ventures. Our mission is to alleviate the administrative and accounting pressures that divert businesses from their passions.We have already assisted hundreds of merchants in sidestepping the headache of establishing large finance teams solely to manage tax compliance. Looking ahead, we aim to broaden our positive impact by developing the automation layer that enables online businesses to remain agile, compliant, and prepared for the future.About the RoleWe are seeking a foundational Software Engineer (Infrastructure) who excels at tackling complex distributed systems challenges at scale. In this role, you will design and implement core infrastructure, enhance service reliability and observability, and guarantee the platform’s scalability as we accommodate growing transaction volumes and integrations.This is a pivotal role with high leverage: your contributions will shape the architecture and technical direction of our infrastructure platform, directly influencing our customers’ experience and the trajectory of the company.ResponsibilitiesDesign and develop highly scalable, secure, and reliable infrastructure to support critical APIs, services, and data pipelines.Lead infrastructure architecture decisions focusing on performance, observability, and fault tolerance.

About KernelKernel is a cutting-edge developer platform that offers Lightning-Fast Browsers-as-a-Service tailored for browser automation and web agent creation. Our API and MCP server enable developers to seamlessly launch browsers in the cloud without the hassle of infrastructure management.Our serverless browser platform takes care of the complex tasks: autoscaling reliable browser infrastructure, ensuring observability, and managing the intricate details of web interactions, allowing developers to concentrate on their agent functionalities rather than the underlying processes. Kernel brings AI to life, making it practical and powerful, empowering developers to deploy agents that can effectively engage with the digital landscape.We are trusted by teams at Cash App, Rye, and numerous others for diverse applications like in-depth research, QA automation, and real-time web analysis. We have successfully secured $22M in funding from notable investors including Accel, YCombinator, Vercel, Paul Graham, Solomon Hykes (Docker), David Cramer (Sentry), Charlie Marsh (Astral), among others.With just one line of code, you can deploy any web agent to our cloud. The rest is in your hands. If you're passionate about developing critical infrastructure for the next generation of AI applications, we would love to connect.

About UsAt Salient, we are at the forefront of developing the AI infrastructure that will revolutionize financial operations, beginning with the automation of intricate and challenging workflows in loan servicing.Supported by prominent investors including a16z and Y Combinator, we have successfully raised $65 million in Series A funding.Achieving 8-figure ARR within less than two years, we are currently serving over 20% of the auto lending industry, managing millions of real customer calls and transactions each day.Our solutions are fully operational with major financial institutions, moving beyond mere proofs of concept.Excitingly, we are expanding into new segments of financial services!Our team thrives in an in-person office culture located in San Francisco, CA.We pride ourselves on being fully integrated with our clients, owning the entire tech stack, and rapidly advancing to implement modern AI in regulated sectors where precision, reliability, and performance are paramount.About the RoleWe are seeking a dedicated Staff Infrastructure Engineer who will architect and oversee the systems that enable Salient to scale effectively. In this influential individual contributor role, you will focus on infrastructure engineering, shaping how we build, deploy, and manage the infrastructure that handles millions of daily financial transactions and customer interactions. You will establish the technical direction for reliability, scalability, and developer velocity across the stack, ensuring that our platform is prepared for future developments.Why Join Us?We are among the fastest-growing companies in the Voice AI sector, having quadrupled our revenue last year and now managing close to one million calls daily.You will enjoy significant ownership of your work and contribute to our growth journey, both in business and engineering.As an AI-native organization, we continuously stay ahead in AI tools and engineering best practices, and you will have a direct hand in propelling this forward.Our culture is straightforward and results-driven, focused on building a successful and highly profitable business.Key ResponsibilitiesLead architectural decisions and technical evaluations for infrastructure-critical projects.Design, implement, and manage the cloud infrastructure (AWS/GCP) that powers Salient—covering everything from compute and networking to storage and observability.

About FluidstackAt Fluidstack, we are pioneering the infrastructure for advanced intelligence. Collaborating with leading AI laboratories, governmental bodies, and prominent enterprises such as Mistral, Poolside, Black Forest Labs, and Meta, we are committed to delivering computing capabilities at unparalleled speeds.We are driven by a sense of urgency to realize Artificial General Intelligence (AGI). Our team is highly dedicated to providing world-class infrastructure, prioritizing our customers' success as our own. We take immense pride in the systems we create and the trust we cultivate. If your motivation stems from purpose, a relentless pursuit of excellence, and a readiness to work diligently to accelerate the future of intelligence, we invite you to join us in shaping what lies ahead.About the RoleFluidstack is looking for a Director of Infrastructure who will be responsible for the hardware that supports some of the largest AI clusters globally. You will lead a multidisciplinary team of Networking Engineers, Compute Systems Engineers, Storage Engineers, and the ICT team, working closely with Procurement, Data Center Operations, Software Engineering, Site Reliability Engineering, Finance, Security, and Sales to ensure Fluidstack delivers and operates clusters more swiftly and reliably than any competitor.You have successfully deployed a GPU cluster with over 10,000 units using cutting-edge hardware. You possess the expertise to expedite deployment from months to weeks, having established the necessary tools, runbooks, and a culture that supports repeated success.

Join reteam as an Infrastructure Engineer and play a crucial role in developing high-impact systems. This position offers the opportunity to work on innovative projects that shape the future of technology.

About LightfieldLightfield is an innovative AI-driven CRM that seamlessly integrates your email, calendar, and meetings into an organized platform. It captures every interaction and transforms it into actionable insights, tasks, accounts, and follow-ups, ensuring that nothing is overlooked.We are revolutionizing the CRM landscape from the ground up. Rather than imposing rigid structures on teams, Lightfield adapts to how businesses naturally operate, automating processes and highlighting insights that foster growth. We are crafting the CRM platform of our dreams: fast, intelligent, and genuinely beneficial.Supported by esteemed investors like Greylock, Lightspeed, and Coatue, our team has a rich history of building impactful products, including Tome, a generative AI presentation tool embraced by over 25 million users. Our collective experience spans companies such as Llama, Instagram, Facebook Messenger, Pinterest, Google, and Salesforce.About the RoleWe are in search of a skilled, innovative, and adaptable engineer excited to take on the challenge of designing, developing, and scaling the foundational infrastructure and systems that power Lightfield's AI-enhanced CRM.At Lightfield, engineers take full ownership of projects from ideation to execution, collaborating across various functions and pushing the boundaries of what is achievable in applied AI and data systems. You will play a pivotal role in crafting and constructing the data models and infrastructure that support a next-generation CRM, ensuring optimal performance, scalability, and resilience.What You'll DoDevelop and sustain full-stack systems, ensuring reliability, scalability, and robust performance.Architect and enhance the data infrastructure and backend services that drive Lightfield's AI-powered CRM.Design and refine data models to facilitate CRM workflows, customer interactions, and AI-derived insights.Create observability and metrics frameworks to promote seamless operations, proactive issue detection, and ongoing enhancements.Guide colleagues, engage in code reviews, and contribute to shaping the engineering culture and best practices.Play a key role in cultivating a top-tier engineering team through recruitment, mentorship, and knowledge exchange.Who You ArePossess 3+ years of software development experience, with a solid foundation in infrastructure, data modeling, and backend systems.Demonstrate extensive experience in designing scalable, high-performance systems.

Join Lever's innovative team as an Infrastructure Engineer, where we are redefining the future of talent acquisition. This role is crucial in building and maintaining the infrastructure that supports our cutting-edge hiring software used by renowned companies like Netflix, Shopify, and Spotify.Lever is a leader in the recruitment technology space, founded a decade ago to address the critical challenge of attracting and hiring top talent. Our company culture is rooted in a people-first approach, and we are proud to be recognized as the #1 workplace in San Francisco and a top employer in the U.S. We seek passionate individuals to join our team as we continue to scale.test

Join gumloop as a Senior Infrastructure Engineer!In this pivotal role, you will:Architect, implement, and independently roll out large-scale infrastructure projects.Contribute to defining our technical roadmap while engaging directly with customers and iterating rapidly.Collaborate daily with company founders to enhance the reliability and scalability of our infrastructure.Design and maintain Kubernetes clusters, CI/CD pipelines, and cloud infrastructure.Ensure the high availability, security, and performance of our systems.

About Flow EngineeringAt Flow Engineering, we are pioneering an AI-native requirements platform that empowers cutting-edge engineering teams to collaborate seamlessly with AI agents. Our mission is to facilitate the design, validation, and evolution of complex systems with unmatched speed and precision. Following our successful Series A funding, we are on an exciting trajectory to scale our product from thousands to hundreds of thousands of users, all while upholding the highest standards of reliability and performance.About the RoleWe are seeking a passionate Infrastructure Software Engineer to join our dynamic team. In this role, you will be instrumental in constructing and expanding the core platform that underpins Flow. You will manage services and infrastructure that empower "agentic systems engineers" and product teams to leverage Flow in their daily tasks.You will become a key member of a small, senior team that prioritizes speed, ownership, and solid engineering principles—delivering version 1 products swiftly, learning, and iterating effectively.Your ResponsibilitiesDesign, develop, and maintain backend services and platform primitives that facilitate complex engineering workflows and large-scale collaboration.Enhance Flow’s capacity from thousands to hundreds of thousands of users, focusing on performance, reliability, observability, and security across the entire stack.Take ownership of CI/CD pipelines, testing infrastructure, and internal tools to enable rapid and safe product releases.Collaborate with frontend and AI engineers to establish robust APIs, data models, and integration points that are easy to adapt and evolve.Contribute to architectural decisions and the technical roadmap as our product and customer base expands.Your ProfileA minimum of 3 years of software engineering experience in building and maintaining production systems within a cloud environment (e.g., AWS or GCP).Deep understanding of systems design, distributed systems, and best practices for reliability, observability, and security.Proficiency with containerization and infrastructure-as-code tools (e.g., Docker, Terraform, etc.).Ability to take ownership of projects end-to-end in a fast-paced environment and make pragmatic decisions amidst ambiguity.A collaborative mindset with low ego, eager to work closely with product, design, and customer-facing teams.Our Technology StackUtilization of TypeScript, Node.js, and React for application development, with a strong emphasis on type safety.Employing Postgres and various managed cloud services for data persistence and messaging.

At Composio, we are at the forefront of creating a seamless communication infrastructure that empowers agents to interact with essential work tools such as GitHub, Gmail, Notion, Salesforce, and more. Our dedicated team of engineers tackles challenges ranging from contextual understanding to search functionality, ensuring we build the most effective bridge between your agents and their tools.Recently, we secured a $25M Series A funding from Lightspeed, along with support from notable investors such as Guillermo Rauch (CEO of Vercel), Dharmesh Shah (CTO of HubSpot), and Gokul Rajaram. This year, we tripled our Annual Recurring Revenue (ARR), with clients ranging from fellow YC alumni to companies like Wabi, Glean, Zoom, and many others.We are always on the lookout for exceptional talent, regardless of the job board listings. If you believe you are a remarkable fit for our team, describe your dream job and outline what makes you exceptional. If we see a potential match, we will reach out!

Note: We are excited to facilitate this recruitment for our esteemed client. This position is directly with Arena Intelligence, not People Culture Talent. We look forward to connecting skilled professionals with this remarkable team!The RoleArena Intelligence is redefining the landscape for assessing AI model performance in practical applications. Originating from UC Berkeley’s SkyLab, our platform, Arena.ai, has established itself as the benchmark for AI model evaluation, gaining the trust of researchers, developers, and enterprises that are paving the future of artificial intelligence.Our mission is to create API-driven services tailored for enterprise clients. We aim to deliver premier machine learning products (like Arena Max) that align with their specific business needs.In this pivotal role, you will be responsible for the foundational infrastructure that transforms our research capabilities into enterprise-ready products. This is a unique opportunity to be part of the developer/enterprise team from the ground up. You will collaborate directly with founders and early customers to shape our offerings.What You’ll DoDevelop API-centric products from inception, focusing on creating low-latency, high-reliability APIs for leaderboards, models, and arenas.Tackle complex streaming challenges, including handling SSE/streaming responses from diverse providers, ensuring partial failure recovery, mid-stream fallbacks, and consistent response normalization.Deliver enterprise-grade infrastructure by implementing expected features such as rate limiting, authentication, usage metering, cost attribution, audit logging, and SOC2 compliance.Enhance observability by integrating distributed tracing, latency analysis, token-level usage tracking, and real-time dashboards for comprehensive insights.Develop AI-focused products by integrating with our core evaluation platform, Arena data, and customer-specific benchmarks, while collaborating with the research team to evolve innovative concepts into robust products.Contribute across the tech stack, particularly in backend development for our Leaderboards and Evals platforms, ensuring a cohesive architecture for our public and private data systems.What We’re Looking ForA minimum of 4 years of backend engineering experience, with substantial experience in distributed systems, infrastructure, or developer-centric platforms.Proficiency in Go and familiarity with other programming languages.