Blockit AI jobs

Onboarding Specialist San Francisco, California, United States About Blockit Blockit is a Sequoia-backed AI time agent. It learns your preferences and can autonomously coordinate meetings to any degree of complexity - timezones, group scheduling, IRL, and more - similar to an executive assistant, but one that never goes to sleep and responds instantly. It is the foundation of a massive platform of AI agents that will have access to the world's time. The more people who link their calendars to Blockit, the more powerful our network becomes. The Role Blockit is looking for an Onboarding Specialist to own the early prospect and customer experience. This entry-level role plays a critical part in the prospect and customer journey, and can grow into many different areas within Sales, Post Sales, and beyond. You'll be the first person new customers interact with after signing up - getting them set up, unlocking the product quickly, and making sure they're seeing real value. You'll also support pilots and GTM efforts, helping close customers by showing them what Blockit can do firsthand. You'll work directly with founders, feed insights back to engineering and product, and help shape the onboarding playbook as we scale. What You'll Do - Run onboarding calls with new customers and guide them through setup and core workflows - Support pilots and early GTM efforts, helping prospects experience the product value firsthand - Build a deep understanding of the Blockit product so you can troubleshoot, advise, and educate confidently - Create onboarding materials,

Software Engineer, AI Agents San Francisco, California, United States About Blockit Time is the the most valuable resource we have, yet coordinating it remains stuck in the dark ages. At Blockit, we're building the AI that finally fixes this: an autonomous time agent that handles the full complexity of scheduling-timezones, group coordination, in-person logistics-like an executive assistant that never sleeps. While every LLM application to date has been a one-on-one conversation, Blockit is one of the first multiplayer, stateful AI agents-coordinating between multiple people, maintaining context across conversations, and taking real actions in the world. As more people connect their calendars, our network becomes exponentially more powerful. This is the foundation of a platform of AI agents with access to the world's time. We're backed by Sequoia, and we're a small, sharp team that moves fast, ships constantly, and holds a high bar. If you want to build something genuinely new, we'd love to talk. You can visit our teams page to learn more about our team and culture! The role You'll own the intelligence at the core of Blockit: our scheduling agents that autonomously coordinate meetings across people, time zones, and constraints. This includes designing and iterating on agent architectures, writing and refining prompts, building evaluation frameworks, and shipping new capabilities as models improve. You'll work across our orchestrator agents (which manage conversation flow) and specialized sub-agents, with the goal of making Blockit smarter, faster, and capable of handling increasingly complex coordination problems. You'll be architecting and building real-world

Software Engineer, Infrastructure San Francisco, California, United States About Blockit Time is the most valuable resource we have, yet coordinating it remains stuck in the dark ages. At Blockit, we're building the AI that finally fixes this: an autonomous time agent that handles the full complexity of scheduling-timezones, group coordination, in-person logistics-like an executive assistant that never sleeps. While every LLM application to date has been a one-on-one conversation, Blockit is one of the first multiplayer, stateful AI agents-coordinating between multiple people, maintaining context across conversations, and taking real actions in the world. As more people connect their calendars, our network becomes exponentially more powerful. This is the foundation of a platform of AI agents with access to the world's time. We're backed by Sequoia, and we're a small, sharp team that moves fast, ships constantly, and holds a high bar. If you want to build something genuinely new, we'd love to talk. You can visit our teams page to learn more about our team and culture. The role Think of this as a product engineer role - but the product is everything underneath. For a stateful, multiplayer AI agent that takes real actions in the world, infrastructure is the user experience. When a meeting gets scheduled in 800ms instead of 4 seconds, when an email never gets dropped, when our agent recovers gracefully from a flaky third-party API - that's a feature users feel. You'll ship those features. This role spans three connected areas: - Infra that users feel

Technical Recruiter San Francisco, California, United States About Us Blockit is a Sequoia-backed AI scheduling agent. We learn your preferences on the fly and autonomously coordinate calendars to any degree of complexity - timezones, group scheduling, IRL, etc. Blockit is like having an executive assistant who never sleeps and responds instantly. We're a small team serving thousands of users. All customers have come inbound: people encounter Blockit in email or Slack threads, adopt it, and spread it to their teams. We're keeping the team tight - but hiring a few exceptional people as we scale. Role We're looking for an Engineering Recruiter to own full-cycle hiring for technical roles. You'll partner with engineering leadership to shape roles, source candidates directly, and manage agency relationships. Your job is to make sure we hire exceptional engineers - quickly, and with a great candidate experience. Day-to-Day - Partner with engineering leads to define roles and nail down what great looks like for each hire - Source candidates directly - deploying creative strategies to find technical talent that's hard to reach - Run a rigorous interview process that sharply assesses skill, drive, and fit - Own the candidate lifecycle from first screen to signed offer - including complex negotiations - Manage external recruiting partners and hold them to our standards - Use data to find bottlenecks and continuously improve our hiring funnel - Ensure every candidate - hired or not - walks away with a great impression of Blockit Profile - 3+ years of

Mid-Market Account Executive San Francisco, California, United States About Blockit Blockit is a Sequoia-backed AI time agent. It learns your preferences and can autonomously coordinate meetings to any degree of complexity (timezones, group scheduling, IRL, etc) similar to an executive assistant - but never goes to sleep and responds instantly. It is the foundation of a massive platform of AI agents that will have access to the world's time. The more people who continue to link their calendars to Blockit, the more powerful our network becomes Role Blockit is seeking a Mid-Market Account Executive to join our growing team. We're looking for someone with 2+ years of sales experience at a software company, ideally within the horizontal productivity tools space. You should be hungry, organized and charismatic, and have a track record of high achievement, consistently hitting or exceeding quotas. You are comfortable and excited by the speed of zero-to-one building in a startup environment and bonus points if you have a passion for productivity tools. Our agent spreads virally which means there is a significant qualified inbound pipeline to farm - we need you to close it. What you'll do: - Reach out to existing inbound users and convert them into customers. - Run product demos of our agent, showcasing its capabilities. - Delineate between buyer, end-user, and decision-maker in the sales process to effectively navigate deals. - Onboard new customers and provide initial support by answering basic FAQs. - Share product feedback back with the team to help

Software Engineer, Product & Growth San Francisco, California, United States About Blockit Time is the the most valuable resource we have, yet coordinating it remains stuck in the dark ages. At Blockit, we're building the AI that finally fixes this: an autonomous time agent that handles the full complexity of scheduling-timezones, group coordination, in-person logistics-like an executive assistant that never sleeps. While every LLM application to date has been a one-on-one conversation, Blockit is one of the first multiplayer, stateful AI agents-coordinating between multiple people, maintaining context across conversations, and taking real actions in the world. As more people connect their calendars, our network becomes exponentially more powerful. This is the foundation of a platform of AI agents with access to the world's time. We're backed by Sequoia, and we're a small, sharp team that moves fast, ships constantly, and holds a high bar. If you want to build something genuinely new, we'd love to talk. You can visit our teams page to learn more about our team and culture! The role You'll expand what Blockit can do and where it shows up in people's lives. This isn't traditional growth engineering, it's about building new agent capabilities, opening up new surfaces (Slack, mobile, desktop, etc.), and finding ways for Blockit to handle workflows we don't support yet. You'll ship features end-to-end: talking to users, prototyping, building, and measuring. The work spans frontend, backend, and agent engineering. What you'll do - Build new features end-to-end: backend, frontend, and agent integrations -

Blockchain Security Expert - AI Track US / Remote About the Company CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale. To date, CertiK has worked with over 4,900 Enterprise clients, secured over $557 billion worth of digital assets, and has detected over 18,000 vulnerabilities in blockchain code. Our clients include leading projects such as OKX, Tether, Ripple, and Pancakeswap. Our investors include top VCs like Tiger Global, Coatue Management, Shunwei Capital and Hillhouse Capital as well as industry leaders like Coinbase Ventures and Binance. Investors = Insight Partners, Sequoia, Tiger Global, Coatue Management, Lightspeed, Advent International, SoftBank, Hillhouse Capital, Goldman Sachs, Shunwei Capital, IDG Capital, Wing, Legend Star, Danhua Capital and other investors. About the Role The primary focus of this role is to pioneer the development of an intelligent AI agent powered by large language models (LLMs) to enhance our security audit tools in the blockchain space. As a Blockchain Security Expert on the AI Track, you will work closely with our blockchain security team to bridge cutting-edge academic research with practical applications. Your efforts will be dedicated to developing, testing, and optimizing LLM-driven AI agents that automatically analyze smart contracts and identify potential vulnerabilities. In this role, you'll be immersed in research and experimentation, exploring new methods to improve threat detection and risk assessment within our security audit platform, thereby directly contributing to more secure blockchain infrastructures. About the Company CertiK is the largest blockchain security

Principal Engineer, AI Systems Bay Area, CA, United States of America Block builds simple, powerful tools that make progress towards an economy that's truly open to all. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone. Join us. The Role Block is building toward one of the most ambitious technical visions in our history: an AGI-enabled entity that fundamentally transforms how we deliver economic empowerment. We're assembling a world-class team of AI experts to design and ship autonomous agents and agentic workflows that operate across Square, Cash App, and the broader Block ecosystem. This work is about creating solutions-you'll be building AI that acts, decides, and completes real tasks for real users from across all of Block's business functions. As a Principal Engineer, you'll join as a senior individual contributor with significant technical leadership responsibilities. You Will Ship, architect, build, and own end-to-end delivery of autonomous agents and agentic workflows that deliver real business value for Block, ensuring reliability, safety, and performance at scale Design agent orchestration systems including planning, tool

Senior ML/AI Modeler, Risk Automation Machine Learning Seattle, WA, United States of America Block builds simple, powerful tools that make progress towards an economy that's truly open to all. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone. Join us. The Role The Risk Automation ML team automates Risk and Compliance investigations and decision making at Block through the application of agentic and generative AI technology. We work globally with partners in Product, Engineering and Operations to ensure that we are providing a safe user experience for our customers while minimizing or eliminating bad activity on our platform. We are leveraging agentic and generative AI as an integral part of our toolkit to fulfill our mission. Block's machine learning systems monitor billions of payment transactions across traditional payment and blockchain networks and surface suspicious activity (fraudulent, suspicious, illegal activity and brand violations) for trained Operations analyst review and decisioning. We are leveraging generative AI to accelerate historically manually intensive analyst workflows; by adding features in the investigative UX to accelerate agent

Senior Machine Learning Engineer, AI Personalization Bay Area, CA, United States of America Block builds simple, powerful tools that make progress towards an economy that's truly open to all. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we're helping build a financial system that is open to everyone. Join us. The Role Traditionally, ML systems were built to solve narrow tasks (e.g., item recommendations), with orchestration logic hard-coded outside the model. Increasingly, LLMs are becoming the orchestration layer, deciding which models to invoke, when to use them, how to interpret outputs, and how to chain steps together. In this paradigm, the models we build deliver low-latency, large-scale personalization that advances Block's mission of economic empowerment. We work closely with Design, Product, and Engineering teams across Block's ecosystem, applying a spectrum of approaches from simple heuristics and embeddings to deep learning and large language models. We also invest heavily in agentic engineering and AI-assisted tooling to enable high-velocity, reliable development. This includes code generation, automated testing, documentation, and developer workflows. You will play a key role in shaping how these practices apply

Lead AI & Agentic AI Architect (AI Squad Leader) Valbonne (KFR51693) posted: Posted 30+ Days Ago

AI Integrator / AI Engineer Prague, Praha, Czechia Join our team as an AI Engineer to design and implement cutting-edge AI solutions that drive business transformation. Collaborate with cross-functional teams to deliver scalable, secure applications and accelerate enterprise AI adoption. If you're passionate about AI and ready to make an impact, we want to hear from you!

Senior AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsox CHENNAI, India Job Summary. We are seeking a highly skilled AI Engineer experience in Software Development, Data Science, or Machine Learning to design, develop, and deploy cutting-edge AI systems leveraging Large L...

Lead AI Engineer (AI Foundations, LLM Core and Agentic AI) 5 Locations posted: Posted 30+ Days Ago

AI Engineer Bangalore, India Office (BANGALORE)

Intermediate AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsonx CHENNAI, India Job Summary. We are seeking a highly skilled AI Engineer with 5+ years of overall experience in software development, Data Science, or Machine Learning to design, develop, and deploy cutting-edge AI s...

Intermediate AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsonx CHENNAI, India Job Summary. We are seeking a highly skilled AI Engineer experience in Software Development, Data Science, or Machine Learning to design, develop, and deploy cutting-edge AI systems leveraging Large L...

Data Analytics AI Engineer New York The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more. About the Team Join our global Data team, which partners closely with Product, Engineering, and GTM stakeholders to power data-driven decision making and AI-driven products across Fireblocks. The team has evolved from providing deep analysis to becoming enablers, bringing the right data and AI tools so that Sales, Marketing, and Customer Operations can run analysis and forecasting. We operate in a fast-paced, high-growth environment where much of what we build is new, and we figure things out as we go. What You'll Do - Design and build LLM-powered systems and data agents that directly improve internal capabilities, enabling GTM, Product, and Engineering teams to make faster, smarter, data-driven decisions at scale. - Analyze large-scale datasets to surface strategic insights across the customer lifecycle and revenue funnel; define and track critical KPIs; and translate findings into actionable product and business recommendations. - Evaluate and quantify the business impact of AI initiatives through rigorous experimentation, benchmarking, and model evaluation to continuously optimize LLM performance. - Continuously monitor, refine, and evolve AI models and solutions, iterating on

Intermediate / Senior AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsonx CHENNAI, India Job Summary. We are seeking a highly skilled AI Engineer experience in Software Development, Data Science, or Machine Learning to design, develop, and deploy cutting-edge AI systems leveraging Large L...

AI Application Architect - AI, ML, GenAI, GCP, IBM Watsonx, Vertex AI, Python, MLOps CHENNAI, India Job Summary. We are seeking an accomplished AI Application Architect to join our AI Acceleration teams and play a pivotal role in designing and delivering enterprise-scale AI and Generative AI (GenAI)...

Agentic AI Engineer Hyderabad posted: Posted 30+ Days Ago

Senior Generative AI Engineer - Vice President CHENNAI, Tamil Nādu, India

Sr. AI Product Owner - Enterprise AI Platforms Sr. AI Product Owner - Enterprise AI Platforms

AI Specialist - AI For Research AI Specialist - AI For Research