Circleci jobs

Principal Machine Learning Engineer United States, US At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly learning and taking opportunities to grow our careers and ourselves. We challenge each other to stretch beyond our past to build our future. You are the builder here. You will be part of a team of smart, motivated, and diverse people and given the autonomy and support to do your best work. It is a dynamic and flexible workplace where you'll belong and be encouraged. In OCI AI Infrastructure org we are addressing exciting challenges at the intersection of artificial intelligence and cutting-edge cloud infrastructure. In this role, you will drive building state-of-the-art training infrastructure for massive GPU clusters, as well as designing agentic systems deployed on OCI infrastructure at enterprise-scale. You will be innovating on leading principles of agentic software development and driving the frontier on infrastructure that maximizes the potential of bleeding-edge GPU clusters. We are working at the forefront of Generative AI (GenAI) landscape working with teams across Oracle on multi-modal data generation and leading the framework across Oracle.

Software Engineer in Test - Infrastructure Redwood City, CA (Hybrid); San Francisco, CA (Hybrid) About Snorkel At Snorkel, we believe meaningful AI doesn't start with the model, it starts with the data. We're on a mission to help enterprises transform expert knowledge into specialized AI at scale. The AI landscape has gone through incredible changes since 2015, when Snorkel started as a research project in the Stanford AI Lab, to the generative AI breakthroughs of today. But one thing has remained constant: the data you use to build AI is the key to achieving differentiation, high performance, and production-ready systems. We work with some of the world's largest organizations to empower scientists, engineers, financial experts, product creators, journalists, and more to build custom AI with their data faster than ever before. Excited to help us redefine how AI is built? Apply to be the newest Snorkeler! We're looking for a Software Engineer in Test who thrives in fast-moving, high-intensity environments and enjoys turning ambiguous problems into reliable, scalable systems. In this role, you'll go beyond traditional QA-fine tuning test infrastructure, tooling, and processes that directly accelerate engineering velocity and product quality. What You'll Do - Refine and evolve testing infrastructure and tooling that enables engineers to ship high-quality features at scale - Design, implement, and maintain automated testing systems - Create internal tools that improve developer productivity and shorten iteration cycles - Partner closely with DevOps to optimize test execution and reliability within CI/CD pipelines - Drive best practices in

Founding Device Fingerprinting Engineer Paris, France, Paris, Île-de-France, France About Prelude Prelude is redefining how companies authenticate and onboard users - turning what's traditionally a cost center into a growth lever. Our flagship product lets businesses send OTP codes with the best price-to-conversion ratio on the market, dynamically selecting the most effective channel in real time (optimized SMS, WhatsApp, and more) while actively blocking spam and fraud that legacy providers miss. Founded in 2022 by former Zenly team members who lived the pain of broken SMS authentication firsthand, we're already serving fast-growing companies across Europe and are expanding into the US. But authentication is only the starting point - we're building the platform for trust at scale, with an ambitious roadmap of market-defining products ahead. Why join us Today, we're a team of 60 and growing, based in Paris, building products that power secure and high-performance user onboarding for companies across the world. We believe small, highly skilled teams outperform large, fragmented organizations, and we are intentional about staying focused on impact, quality, and speed. We operate with a flat org structure and value in-person collaboration, which helps ideas move faster, decisions stay grounded, and teams take full ownership of what they build. Our values - Care We care deeply about our customers, our teammates, and the quality and reliability of what we ship. - Bias for Action We move fast, test in the real world, and iterate quickly rather than over-optimizing in theory. - Ownership We take responsibility end

Software Engineer, Backend New York, NY, United States, San Francisco About Clay Our mission is to help organizations turn any growth idea into reality. We see growth as a creative practice, not a formula. Finding and reaching your best-fit customers takes unique ideas and constant iteration. As AI makes execution faster and tactics easier to copy, creativity is the only lasting advantage. We're already helping thousands of customers - including Anthropic, Notion, Google, and Ramp - go to market with unique data, signals, and AI research. In 2025, we raised a $100M Series C backed by world-class investors including Sequoia, CapitalG, and First Round - and crossed $100M in revenue. In 2026, we announced our second employee tender offer in 9 months at a new $5B valuation. We also launched a community equity round , for our customers, agency partners, and club members. Some things to know about us: - Our community includes 11,000+ customers, 150+ integration partners, 125+ agencies, 50+ Clay clubs , and 30k members on Slack. - Our culture is unique inside and outside of work. Our team members are also DJs, activists, writers, clowns, marathoners, skydivers, psychedelic therapists, social workers, and more. - All employees can work for free with world-class coaches who specialize in creativity, management, and more. - Our operating principles - including negative maintenance and non-attached action - guide our work. Read more about them here . - Read about us in the NYT , Forbes , First Round Review , and more

SOC Engineer București, Romania

Infrastructure Engineer (Backend) New York Office (Flatiron), New York City, New York, United States About Counsel Counsel's mission is to multiply the world's healthcare capacity. We believe in a future in which every person has a personalized, AI-enabled doctor always in their pocket. To accomplish this, we're building the first fully-vertical, AI-native medical group from the ground up. We've redesigned the entire clinical stack with custom AI tools that make our in-house physicians 10x faster and smarter. [ learn more on our blog ] Since our founding in 2023, we have formed partnerships with leading healthcare organizations and are on track to serve hundreds of thousands of patients on our platform within the next year. We have raised over $35M from a16z, Google Ventures, Pear VC and other top-tier VC firms. Our team combines deep expertise in medicine (Harvard, Mt. Sinai, Mass General, UCSF) and technology (MIT, Google, DeepMind, NVIDIA, Stripe, Meta) - and we're looking for exceptional people to join us as we scale. Join us as we build the future of AI in healthcare! ----------------------------------------------------- About the role At Counsel Health, we've built a product that patients and physicians love on a fast-moving stack. As we scale, the surface area between "application code" and "infrastructure" is growing - and we need someone who lives at that intersection. We are looking for a Backend Infrastructure Engineer who is equal parts software engineer and infrastructure engineer. You won't be sitting in a silo writing Terraform all day, and you won't

ASIC Design Verification Engineer - 7+ yrs Bangalore, India Meet the Team: The Common Hardware Group (CHG) delivers the silicon, optics, and hardware platforms for Cisco's core Switching, Routing, and Wireless products. We craft the networking hardware for Enterprises and Service Providers, the Public Sector, and Non-Profit Organizations across the world. Cisco Silicon One (#CiscoSiliconOne) is the only unifying silicon architecture in the market that enables customers to deploy the best-of-breed silicon from Top of Rack (TOR) switches all the way through web scale data centers and across service provider, enterprise networks, and data centers with a fully unified routing and switching portfolio. Come join us and take part in shaping Cisco's ground-breaking solutions by crafting, developing and testing some of the most sophisticated ASICs being developed in the industry. You will engage in dynamic collaboration with verification engineers, designers, and multi-functional teams, working together to ensure the successful verification of the ASIC throughout its lifecycle. Your Impact: You will contribute to developing Cisco's progressive data center by crafting industry-leading sophisticated chips, with full exposure to all aspects of our systems and applications, including silicon, hardware, software, telemetry, and security. Specific responsibilities include: Architect block, cluster and top-level DV environment infrastructure. Develop DV infrastructure from scratch. Maintain and improve existing DV environments. Develop test plans and tests for qualifying design at block, cluster and higher-level environments with mix of constraint random and advised stimulus. Ensure complete verification coverage through implementation and review of code and functional coverage. Ensure RTL quality

Infrastructure Reliability Engineer Costa Mesa, California, United States Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. ABOUT THE ROLE This is a small but growing team responsible for the infrastructure and operations behind core developer tools used across the entire engineering organization. You'll own the full lifecycle - patching, upgrades, backups, scaling, and incident response - for services that every engineer depends on daily. The role blends DevOps, SRE, and software engineering, and is ideal for engineers who want high ownership and company-wide impact. You should have a mindset of continuous improvement - if something is manual and repetitive, your instinct should be to automate it away. As the company's on-prem infrastructure footprint grows, this team will expand its scope to provide SRE capabilities for on-prem systems - making this an opportunity to help shape that practice from the ground up. WHAT YOU'LL DO - Own the lifecycle of core

CPU Verification Fellow, RISC-V High-Performance Processor United States Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors. Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion for AI and a deep desire to build the best AI platform possible. We value collaboration, curiosity, and a commitment to solving hard problems. We are growing our team and looking for contributors of all seniorities. Tenstorrent is seeking a CPU Verification Fellow to lead verification strategy and execution for next-generation RISC-V high-performance processors. This role requires deep CPU verification expertise, strong microarchitecture understanding, and the ability to guide large engineering teams from early design through tapeout and post-silicon validation. The ideal candidate has verified complex out-of-order, speculative, superscalar CPUs and can define scalable methodology across simulation, formal verification, emulation, FPGA, and silicon bring-up. This role is hybrid, based out of Santa Clara, CA or Austin, TX. We welcome candidates at various experience levels for this role. During the interview process, candidates will be assessed for the appropriate level, and offers will align with that level, which may differ from the one in this posting. Who You Are - You have deep experience verifying high-performance superscalar CPUs, ideally including out-of-order and speculative processors. - You have strong knowledge of RISC-V architecture, including ISA compliance, privileged architecture,

Engineering Manager Hands-on - Subscription Paris, France Hi, we're Back Market. We're here to help make tech reliable, affordable, and better than new . We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Yep, you read that right. Turns out refurbished tech is way better for the planet than new. In fact, With every device purchased on Back Market, our positive impact on the planet grows. From our Customer Care representatives to our software engineer, every individual at Back Market cuts the planet - and consumers - a break. Our mission is simple: to do more with what we already have. Are you ready to join us? Our technology department, known as the Bureau of Technology (BoT), is at the heart of Back Market. It consists of over 30 dynamic product teams that are engaged in developing and managing services to deliver significant value to our customers and suppliers. These teams are effectively supported by our Platform group, which includes more than 10 specialized teams addressing cross-cutting technical issues to enhance our operational capabilities. In addition to these functional teams, we have established numerous groups dedicated to sharing knowledge across various technical disciplines, such as security, backend, frontend, AI, and mobile. These groups serve as hubs for collaboration and professional development, providing ample learning opportunities and fostering a culture of continuous improvement. Why we created the TLM (Tech Lead Manager) or Engineering Manager hands-on

Integration and Test Engineer - Mid-Level San Antonio, TX, US posted: Posted 8 Days Ago

Site Reliability Engineer New York, NY, United States, San Francisco About Clay Our mission is to help organizations turn any growth idea into reality. We see growth as a creative practice, not a formula. Finding and reaching your best-fit customers takes unique ideas and constant iteration. As AI makes execution faster and tactics easier to copy, creativity is the only lasting advantage. We're already helping thousands of customers - including Anthropic, Notion, Google, and Ramp - go to market with unique data, signals, and AI research. In 2025, we raised a $100M Series C backed by world-class investors including Sequoia, CapitalG, and First Round - and crossed $100M in revenue. In 2026, we announced our second employee tender offer in 9 months at a new $5B valuation. We also launched a community equity round , for our customers, agency partners, and club members. Some things to know about us: - Our community includes 11,000+ customers, 150+ integration partners, 125+ agencies, 50+ Clay clubs , and 30k members on Slack. - Our culture is unique inside and outside of work. Our team members are also DJs, activists, writers, clowns, marathoners, skydivers, psychedelic therapists, social workers, and more. - All employees can work for free with world-class coaches who specialize in creativity, management, and more. - Our operating principles - including negative maintenance and non-attached action - guide our work. Read more about them here . - Read about us in the NYT , Forbes , First Round Review , and more

Staff DevOps Engineer Bucharest | Hybrid | Remote The Role As an engineer focused on DevOps and infrastructure at Alchemy, you'll be working within a fast paced engineering team on the design, deployment, and continuous improvement of the infrastructure that supports our developer platform used globally. You'll architect state of the art solutions for managing complex backend systems and leverage your experience to create a highly available live system for our customers. Responsibilities: - Dual focus on product reliability and developer productivity - Design or improve important infrastructure and systems from an operational standpoint (i.e. deployment, logging, monitoring, alerting, etc.) - Develop and own best practices for managing production infrastructure: provisioning, application scaling, configuration management, capacity planning, monitoring, etc - Develop and own best practices for developer processes: CI/CD, dev and staging environments, etc - Provide input into long-term platform requirements and operational guidelines with a focus on reliability - Continuously raise our standard of engineering excellence by implementing best practices for coding, testing, and deployment - Build and maintain documentation around process and workflows What We're Looking For: - Experience designing and operating large-scale, multi-region, multi-cloud production systems - Experience working with AWS or cloud infrastructures in general - Experience with container schedulers and runtimes such as Docker and Kubernetes - (Preferred)Experience with service mesh deployments such as Istio or Linkerd - Experience building deployment pipelines leveraging common CI/CD tools such as CircleCI, ArgoCD and Spinnaker - Experience with real-time telemetry and tracing tools like Prometheus, Stackdriver, and DataDog

Machine Learning Fellow - Human Frontier Collective (Canada) Canada PLEASE NOTE: This is a fully remote, 1099 independent contractor opportunity with an estimated duration of six months and the potential for extension. To be eligible, candidates must be authorized to work in Canada. About the Program The Human Frontier Collective (HFC) Fellowship brings together top researchers and domain experts to collaborate on high-impact work that are shaping the future of AI. As an HFC Fellow, you'll apply your academic and professional expertise to help design, evaluate, and interpret advanced generative AI systems-while gaining exposure to cutting-edge research and working alongside an interdisciplinary network of leading thinkers. What You'll Do - ML Projects: Get invited to engage in high-impact projects with our partnered AI labs and platforms. Help models understand real-world deep learning workflows by designing, reviewing, and optimizing PyTorch models, evaluating complex ML code and AI-generated implementations for efficiency and correctness, and advising on GPU optimization, scaling, and trade-offs. - HFC Community: Beyond the work, you'll become part of a supportive, interdisciplinary network of innovators and thought leaders committed to advancing frontier AI across domains. - Contribute to Research Publications: Collaborate with Scale's research team to co-author technical reports and research papers-boosting your academic visibility and professional recognition (e.g., SciPredict , PropensityBench , Professional Reasoning Benchmark ). Who Should Apply - Education: PhD or postdoctoral degree in Computer Science, Computer Engineering, or a related field. - Professional Background: 1-3+ years of experience as a Machine Learning Engineer or Data Scientist.

Lead LAN/WAN Engineer 2 Locations posted: Posted 30+ Days Ago

Data Scientist Lisbon About Us Riskified empowers businesses to unleash ecommerce growth by taking risk off the table. Many of the world's biggest brands and publicly traded companies selling online rely on Riskified for guaranteed protection against chargebacks, to fight fraud and policy abuse at scale, and to improve customer retention. Developed and managed by the largest team of ecommerce risk analysts, data scientists and researchers, Riskified's AI-powered fraud and risk intelligence platform analyzes the individual behind each interaction to provide real-time decisions and robust identity-based insights. Riskified is proud to work with incredible companies in virtually all industries including Acer, Gucci, Lorna Jane, GoPro, and many more . We thrive in a collaborative work setting, alongside great people, to build and enhance products that matter. Abundant opportunities to create and contribute provide us with a sense of purpose that extends beyond ourselves, leaving a lasting impact. These sentiments capture why we choose Riskified every day. About the Role The Data Science department plays a pivotal role in our company, generating value to Riskified by developing algorithms and analytical production-grade solutions. We leverage advanced techniques and algorithms to provide maximum value from data in all shapes and sizes (such as classification models, NLP, anomaly detection, graph theory, deep learning, and more). As a Data Scientist, you will assume the classic data-science role of an end-to-end project development and implementation practitioner. Being part of the team requires a mix of hard quantitative and analytical skills, solid background in statistical modeling and

Junior Engineer 2 Locations posted: Posted 11 Days Ago

Senior Staff DevOps Engineer - MetaMask UNITED STATES - Remote, CANADA - Remote, LATAM - Remote Consensys is the leading blockchain and web3 software company. Founded by Joe Lubin, CEO of Consensys and Co-Founder of Ethereum in 2014, Consensys has been at the forefront of innovation, pioneering technological developments within the web3 ecosystem. The financial system is being rebuilt on open, programmable infrastructure, and Consensys is helping power that transition. From MetaMask, the platform trusted by tens of millions of users worldwide, to Linea, the only 100% proven zkEVM rollup and an emerging home for institutional ETH capital, Consensys builds products and infrastructure that enable users, developers, and institutions to participate in the next generation of the internet. Our mission is to unlock the collaborative power of communities by making the decentralized web universally easy to access, use, and build on. Joining Consensys means working with a fully remote, globally distributed team of technologists, designers, cryptographers, product thinkers, and researchers who are building the next layer of the internet. You'll be exposed to new ideas, emerging technologies, and complex challenges that push you to stay at the top of your game while helping scale products and infrastructure used by tens of millions of users and thousands of developers across the web3 ecosystem. You'll join a network of builders that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies. About MetaMask We're building for a future where the

Enterprise Account Executive USA (Remote), New York, USA About Vantage: Vantage is the FinOps platform built for modern engineering teams, trusted by thousands of organizations including Block, FanDuel, Vercel, Temporal, and CircleCI, to manage and optimize infrastructure costs across hyperscalers, cloud providers, and foundational models. We're passionate about building a cloud cost transparency platform that helps enable everyone, from developers to enterprises, analyze, report, collaborate on, and optimize their cloud spend. Together we are a high-output team of ~50 employees based in New York City with a remote-friendly culture. Backed by $25M from Andreessen Horowitz and Scale Venture Partners, and prominent industry veterans: Matthew Prince (Co-Founder, Cloudflare), Calvin French Owen (Co-Founder, Segment), Ben and Moisey Uretsky (Co-Founders, DigitalOcean), Stephanie and Nat Friedman (CEO, Github), Julia Lipton, Brianne Kimmel and others. About the Role: We are growing our recently formed sales team and are looking for an Enterprise sales professional with a passion for early stage startups. You will help the founding sales team accelerate adoption and experiment with new routes to market. The primary goal for Enterprise Account Executives at Vantage is to authentically understand customer needs, translate that into a structured sales process and assist the customer through the buying journey throughout the sales cycle. While Vantage has an SDR team and extremely strong inbound funnel, nothing prohibits you from continuing to prospect on your own accord. AEs will operate in a target-rich environment with large territories and autonomy to close new business and reap the financial rewards uniquely

Oracle Integration & API Engineer Ashburn, VA, US posted: Posted 24 Days Ago

AI Engineer Remote (Any State) posted: Posted 7 Days Ago

Software Engineer (Infrastructure) United Kingdom, London, London, United Kingdom Thought Machine's mission is bold - to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years - growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted magazine as having one of the highest Glassdoor ratings for a UK fintech company and the industry's most generous employee share package. Named one of the world's most innovative fintechs by Global Finance Magazine, we were also recognised by the Financial Times as one of Europe's fastest-growing companies for two consecutive years-and a UK Best Employer for 2026. At Thought Machine, our Software Engineers specialised in Infrastructure play a crucial role in deploying and maintaining our cutting-edge software, developing tools and

Integration and Test Engineer San Antonio, TX, US posted: Posted 8 Days Ago

Senior Software Engineer, Developer Experience Canada - Remote (ON, AB, BC, or NS Only) We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we're building the team to help push our shopping cart forward. If you're ready to do the best work of your life, come join our table. Instacart is a Flex First team There's no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work-whether it's from home, an office, or your favorite coffee shop-while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Overview Instacart's Developer Experience team builds the frameworks, tooling, and platforms that enable engineers to ship high-quality software quickly and safely. We remove friction from the inner loop of development, streamline CI/CD, and champion engineering excellence across the company. You will join a 6-person Developer Experience team within a ~50-person