Build and Release Engineer

Join Cloudflare as a Software Engineer in the Workers Builds & Automation team, where you will have the opportunity to develop innovative solutions that enhance our serverless platform. You will work collaboratively with a talented group of engineers to build features that empower developers to create and deploy applications with ease. Your contributions wil…

Airbnb, founded in 2007, has transformed the travel experience by connecting over 5 million hosts with more than 2 billion guests worldwide. Our platform enables unique stays and authentic community experiences for travelers around the globe.Join Our Community:At Airbnb, the Developer Infrastructure team is dedicated to empowering engineers and AI Coding Agents to produce high-quality software efficiently. We focus on infrastructure that enhances engineering productivity throughout the software development lifecycle, including build, test, and deployment.Your Impact:As a member of the CI+Build team, you will play a crucial role in optimizing our developer infrastructure, which encompasses remote build systems, CI clusters, flaky test management, and merge queues. Your contributions will help maintain a seamless mainline and accelerate pull request cycle times.In this role, you will define and implement cutting-edge build systems at Airbnb’s scale, guiding the technical direction for build infrastructure across diverse platform teams. You will collaborate with internal teams that deliver systems utilized by product engineers in backend, web, and mobile environments. Success in this position requires a deep understanding of the architecture of our largest internal backend services as we navigate an increasingly complex build graph.A Day in Your Role:Designing enhancements to our existing Bazel installation and remote build/cache infrastructure to boost correctness, reproducibility, and speed.Establishing the technical roadmap for the reliability and performance of our software build systems.Improving inner-loop development velocity and CI run-times through diagnostic efforts.

Join Cloudflare as a Senior Software Engineer specializing in Workers Runtime. In this dynamic role, you will be instrumental in developing and enhancing our serverless platform, enabling developers worldwide to build and deploy applications seamlessly. You will leverage your expertise in programming languages, cloud technologies, and software architecture to craft innovative solutions that power the next generation of applications.We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges. You will work closely with cross-functional teams to deliver high-quality software and contribute to Cloudflare's mission of building a better internet.

Join our dynamic team at Cloudflare as a Software Engineer focused on Workers Observability. In this pivotal role, you'll be instrumental in enhancing the observability features of our Workers platform, ensuring optimal performance and reliability for our users. You will collaborate with cross-functional teams, tackle complex technical challenges, and contribute to the advancement of our innovative cloud solutions.

Join Cloudflare as a Software Engineer focusing on Workers Deployment and Configuration. In this role, you will be an integral part of our engineering team, working to enhance our deployment processes and improve configuration management for our serverless platform. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet the needs of our clients.

Waymo is at the forefront of autonomous driving technology, dedicated to becoming the world’s most reliable driver. Originating from the Google Self-Driving Car Project in 2009, our focus has been on developing the Waymo Driver—The World’s Most Experienced Driver™—to enhance mobility access and prevent the tragic loss of lives in traffic accidents. The Waymo Driver powers our completely autonomous ride-hail service and can be adapted for various vehicle platforms and applications. With over ten million rides successfully completed and more than 100 million miles driven autonomously on public roads, our technology is proven across more than 15 U.S. states.Our Systems Engineering team is dedicated to integrating software and hardware systems in innovative ways. We establish high-performance benchmarks to guarantee the smooth operation of our vehicles and the safety of our passengers, while also designing and executing tests to validate this performance. We are seeking motivated individuals who thrive in a collaborative environment and are passionate about achieving results.This position operates on a hybrid work schedule and reports to a Technical Lead Manager.Your Responsibilities Include:Creating software systems that expedite onboard release validation and boost developer productivity.Collaborating across front-end and back-end technologies, performing SRE duties, and delving into test platform intricacies.Assisting both internal and external clients with test engineering and embedded software development.Embracing innovative challenges that necessitate a systems-thinking approach and experimentation.Your Qualifications:A Bachelor’s degree or equivalent practical experience.Over 3 years of experience in C++ programming.A strong desire and capability to acquire new skills as required.Preferred Qualifications:More than 3 years of experience with Python.Over 3 years of front-end experience including JavaScript or TypeScript, HTML, CSS, or similar.Familiarity with release management practices and tools.Experience in site reliability engineering and production monitoring.Proficiency in test development, automation, and engineering.

About the RoleAt zero, we collaborate with innovative organizations within the Architecture, Engineering, and Construction (AEC) sector to revolutionize the design and delivery of the built environment. As a leading full-service management advisory firm dedicated solely to the built world, we merge specialized knowledge with advanced technology strategies to address significant challenges on a large scale.We are currently on the lookout for a Senior AI Engineer to spearhead the creation of automated building design systems and elevate the frontier of AI/ML applications in the built environment. In this role, you will design and execute generative design algorithms, computer vision systems, and optimization models that will transform the conception, design, and validation of buildings.This position merges deep learning, computational geometry, and architectural design, crafting AI systems that enhance human creativity while adhering to engineering constraints and building regulations.This is an extraordinary chance to leverage cutting-edge AI research to tackle one of humanity's core challenges: creating improved spaces for individuals to live, work, and flourish.

At Mercury, every new customer who applies for a bank account represents a new star igniting in a vast universe of possibilities. Initially, it may seem like a mere spark, but a closer examination reveals an intricate constellation of identity verification, ownership checks, sanctions screening, and fraud signals—all interconnected by invisible forces. The Risk Engineering team acts as the guiding navigation system for this expansive universe. Our mission is to safely guide thousands of ambitious individuals through Mercury’s orbit each day—each with a unique trajectory, risk profile, and narrative. We operate at escape velocity: moving swiftly, making confident decisions, and safeguarding the system without hindering the builders who depend on us. When we excel, founders can open bank accounts in delightful minutes rather than days, without needing to worry about the underlying complexities. We are on the brink of a new era. We are developing intelligent AI systems that do not merely assess risk but can reason about it—systems capable of investigating, deciding, escalating, and learning. These agents will enhance our KYC Refresh, EDD, ODD, and compliance workflows, propelling our operations to unprecedented levels of efficiency and scale. Our goal: to reduce manual labor, detect risks earlier, make sharper decisions, and create experiences that are almost magical in their simplicity. Now, we invite you to join us. We are seeking a Senior Software Engineer who is inspired by the prospect of bringing intelligent automation to life within real production systems. We need someone eager to design and implement AI-driven workflows that can think in steps, adapt to new information, and orchestrate complex decisions across people, models, and services. If you view compliance not as red tape but as a fascinating systems challenge at planetary scale, we want you. If you are excited about building impactful AI that safeguards millions of dollars, opens doors for founders globally, and helps shape the future of banking, we would love to explore this journey together. *Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.

Join our innovative team at mercor as a Software Engineer specializing in Automation. In this role, you will be integral to developing and implementing automated solutions that enhance our software products and improve operational efficiency. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to take on challenges that push the boundaries of technology.

Bright Machines is looking for a Software Engineer focused on Automation Applications in San Francisco, California. This position centers on building and improving software that supports automation and streamlines production workflows. Role overview This role involves designing, developing, and implementing software solutions aimed at advancing automation processes. The work directly impacts efficiency and helps optimize manufacturing operations. Collaboration Work closely with a skilled team to create reliable, high-quality applications. Teamwork and clear communication are essential as you contribute to projects that improve how automation systems function. Impact Your contributions will help drive efficiency and support better production outcomes through innovative software tailored for automation needs.

Join Drivetrain, where our mission is to empower businesses to make informed decisions. Our innovative financial planning and decision-making platform enables companies to scale efficiently and meet their targets with confidence.As a remote-first organization based in the San Francisco Bay Area, Drivetrain was founded in 2021 by former Google employees. Our rapidly growing company is supported by prominent venture capital firms, positioning us on a path to success. Embracing Remote Work: We believe in bringing together the brightest minds, regardless of location, and we offer significant autonomy within our teams. We trust our employees to deliver their best work. Transparency Matters: With open access to the information our creators need, we foster an environment where excellence thrives. Fostering Innovation: We encourage a culture where new ideas can flourish, allowing team members to take risks, learn, and contribute to positive change. The best ideas will lead the way. Customer-Centric Approach: Our product-led growth strategy means we consistently learn from our customers to build amazing software.Role OverviewAs a Backend Engineer at Drivetrain, you will be integral to enhancing our engineering productivity through the development and maintenance of high-quality automation frameworks. Your expertise will contribute to identifying bugs, implementing effective solutions, and ensuring our systems operate seamlessly.Your skills in data structures, algorithms, and backend programming will be crucial for delivering optimal performance while maintaining exemplary code quality.

ABOUT RETELL AIRetell AI is at the forefront of revolutionizing call centers with innovative voice AI technology, utilizing first principles to redefine customer interactions.In just 18 months since our inception, thousands of companies have adopted Retell's AI voice agents to manage sales, support, and logistics calls that previously required extensive human teams. Supported by prestigious investors such as Y Combinator and Alt Capital, we have rapidly scaled to $36M ARR with a lean team of 20, up from $5M at the start of 2025.Our vision for 2026 is to create a modern customer experience (CX) platform where entire contact centers are powered by AI, moving beyond basic automation that relies on constant human intervention to intelligent AI “workers” that operate as frontline agents, quality assurance analysts, and managers, continuously executing, monitoring, and enhancing customer interactions.As we grow, we seek passionate builders eager to tackle challenging technical problems, accelerate progress, and make a genuine impact within one of the fastest-growing voice AI startups.Join us in shaping the future.Ranked among the top 50 AI applications in a16z's list: https://tinyurl.com/5853dt2x#4 on Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Also recognized as a top-ranking startup on: https://leanaileaderboard.com/ABOUT THE ROLEAs a Senior Software Engineer - Support Automations at Retell, you will take charge of the technical support for our advanced, agentic voice AI platform. This hands-on leadership role involves personally troubleshooting complex customer issues, developing AI agents and automations, and guiding a growing team of support engineers.You will work at the intersection of engineering, customer relations, and product development, ensuring exceptional reliability, swift resolutions, and scalable support as Retell expands.This position is perfect for someone who thrives on solving intricate technical challenges in high-pressure environments, engages directly with customers, and enjoys building systems and teams from the ground up.

About Atomic SemiAtomic Semi is pioneering a compact and rapid semiconductor fabrication facility. Our goal is to harness today’s technology to build innovative solutions with streamlined processes. We are committed to creating our own tools to facilitate swift iterations and enhancements.We are assembling a small team of exceptional, hands-on engineers across various disciplines, including mechanical, electrical, hardware, computer, and process engineering. Our team will take ownership from atomic-level designs to complete architectural solutions. We are optimistic about the future and eager to push the boundaries of technology.We believe that smaller, faster, and self-built solutions are superior. Our lab is equipped with advanced tools such as 3D printers, a variety of microscopes, e-beam writers, and general fabrication equipment, and we are ready to invent whatever is missing along the way.Atomic was founded by Sam Zeloof and Jim Keller. Sam is renowned for his garage-made chips, while Jim brings over 40 years of leadership experience in the semiconductor industry.About the RoleWe are seeking an Automation Software Engineering Intern for the upcoming fall semester, starting in September. We prefer a commitment of 4 to 8 months. As part of an integrated engineering team, you will engage in building semiconductor fabrication equipment, tackling intriguing engineering challenges.Our small size enables interns to undertake significant responsibilities, contributing to mission-critical projects. You will enjoy substantial autonomy on interdisciplinary initiatives that enhance our semiconductor fabrication processes and improve robot efficiency. Ideal candidates should have a background in motor controllers, path planning, and trajectory control.We prioritize rapid prototyping and testing—aiming to build and verify solutions within days or weeks, not months. Therefore, a portfolio showcasing your work (such as a GitHub link) is required to apply, demonstrating your software engineering skills and curiosity.

Join our team as a Journeyman Building Engineer at Ableserve, where you will play a vital role in ensuring the efficient operation and maintenance of our buildings. This position is ideal for a skilled engineer who is passionate about building systems and has a strong commitment to quality and safety.

Join Cloudflare, a leading internet security and performance company, as a Systems Engineer focused on Workers Authoring and Testing. In this dynamic role, you will be instrumental in developing and maintaining our innovative serverless platform. Your expertise will help enhance our engineering practices and ensure seamless integration of worker scripts into our deployment pipeline.

We are seeking a passionate and skilled Automation Engineer to join our innovative team in San Francisco. In this role, you will be responsible for designing, developing, and implementing automated systems that enhance operational efficiency and product quality. You will collaborate with cross-functional teams to identify automation opportunities and drive process improvements.

Are you ready to elevate your skills and push your boundaries?At Coinbase, our mission is to enhance economic freedom globally. This ambitious goal calls for our best efforts as we work to build the next-generation onchain platform that will define the future of the global financial system.We are looking for an exceptional candidate who shares our passion and believes in the transformative power of cryptocurrency and blockchain technology. We want individuals who are eager to make a significant impact, thrive under pressure, and actively seek constructive feedback to continuously improve. Join us in tackling the toughest challenges and shaping the future.Our work culture is intense and challenging, but for those who aspire to innovate alongside top-tier talent, it’s an unparalleled opportunity.While many roles at Coinbase embrace a remote-first approach, we value in-person collaboration. Team and company-wide offsites are organized multiple times a year to strengthen connections and alignment; attendance is both expected and fully supported.The Core Automation Team is a dynamic and innovative group focused on developing AI infrastructure and automation solutions that enhance productivity and create meaningful impacts for our customers. Our goal is to streamline operations for customer support and compliance teams, ensuring outstanding customer experiences. As a Software Engineer on our team, you will be pivotal in this transformation, utilizing cutting-edge AI models, frameworks, and tools, alongside a wealth of data sources, including blockchain data. Your contributions will help dismantle barriers to cryptocurrency adoption and define the future of AI-driven customer interactions.

Are you ready to discover your true potential?At Coinbase, our mission is to foster economic freedom across the globe. This ambitious vision requires the utmost dedication as we construct the future of the onchain platform and, in turn, the global financial system.We are in search of an exceptional candidate who resonates with our mission and is a firm believer in the transformative power of cryptocurrency and blockchain technology. We seek individuals eager to make a significant impact, thrive under pressure, and actively solicit feedback for continuous improvement. If you enjoy tackling complex challenges, we want you on our team.Our work culture is dynamic and demanding, catering to those who aspire to build the future alongside top-tier professionals who expect excellence from each other.While many positions at Coinbase are remote-first, we value in-person collaboration and hold several team and company-wide offsite events throughout the year to strengthen our connections and ensure alignment. Participation is encouraged and fully supported.The Core Automation team envisions a future where AI-driven operations create seamless and delightful customer experiences while maximizing shareholder value. Our strategy is to 1) initiate automation in critical areas like Customer Support and Compliance using Agentic AI, 2) learn from these experiences to develop foundational tools and orchestration solutions for scalability, and 3) expand into various domains, enabling AI to enhance every aspect of customer interactions and internal processes.Today marks a new beginning for us. We are dedicated to automating customer support and compliance processes, not merely to increase efficiency through automation but to reimagine how these systems and processes should function in a fully AI-driven environment. Our goal is to build this vision collaboratively across teams, delivering an exceptional customer experience, enhancing compliance efforts, and driving substantial shareholder returns.

About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by industry-leading investors including Y Combinator and Alt Capital, we've grown our annual recurring revenue from $5M to an impressive $36M while expanding our team from 5 to 20 talented individuals since 2025.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform where entire contact centers are driven by AI. Unlike basic automation requiring constant human oversight, we’re engineering intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managerial roles, all while optimizing customer interactions continuously.We are rapidly expanding and seeking driven builders who thrive on solving complex technical challenges, act decisively, and wish to make a tangible impact in one of the fastest-growing voice AI startups.Join us in shaping the future!Recognized as a top 50 AI application in the a16z list: https://tinyurl.com/5853dt2xRanked #4 in Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Featured among the top startups on: https://leanaileaderboard.com/