Staff Software Engineer, Agent Platform

Replit seeks a Staff Software Engineer focused on Anti-Abuse & Security for its Foster City, CA office. This hybrid position requires working onsite three days a week: Monday, Wednesday, and Friday. Key responsibilities Design and build security features that protect users and reinforce the integrity of the Replit platform. Create and maintain systems to ide…

At Replit, we are revolutionizing the world of software development with our innovative platform that empowers individuals to create applications using natural language. With a thriving community of millions of users and over 500,000 businesses leveraging our technology, we are committed to breaking down traditional barriers and democratizing coding for everyone.About the PositionJoin our dedicated Anti-Abuse team as we protect Replit’s platform from exploitation and misuse. In this role, you will be at the forefront of defending against phishing attacks, preventing cryptomining on our free-tier infrastructure, and stopping LLM token farming. You will be tasked with developing advanced detection systems and automated responses that keep pace with ever-evolving threats. This position is unique in that you will tackle challenges that are often unprecedented, such as establishing safety measures for AI-generated code and implementing defenses against prompt injection attacks. If you are eager to gain hands-on experience applying AI in real-world security challenges, this is the ideal opportunity for you.Your ResponsibilitiesDesign and implement protective measures for AI-generated code and agent interactions to detect abuse scenarios.Develop AI-driven detection systems utilizing LLMs to identify malicious activities, classify threats, and automate responses.Create and maintain abuse detection systems for phishing, cryptomining, account takeovers, and financial fraud across millions of user actions daily.Design automated response mechanisms that enforce platform policies seamlessly.Oversee the entire abuse response lifecycle, including detection, investigation, enforcement, and appeal management in collaboration with Support and Legal teams.Analyze attack patterns using BigQuery and Hex to translate findings into new detection rules.Enhance and maintain internal detection tools (Slurper, Netwatch) that consistently monitor user activity.Integrate and fine-tune security scanners (SAST, SCA) within CI pipelines, ensuring adherence to stringent performance SLAs.Monitor abuse trends, assess detection effectiveness, and adapt defenses as attack patterns evolve.

At Replit, we empower creativity through our innovative software creation platform, allowing users to develop applications effortlessly using natural language. With a thriving community of millions and over 500,000 businesses leveraging our tools, we're on a mission to democratize software development by eliminating traditional barriers.Role Overview:We are seeking a Senior Staff Software Engineer focused on monetization systems to spearhead our initiatives in this critical area. This role is pivotal in ensuring that our monetization strategies not only drive business success but also enhance user satisfaction. Your contributions will shape essential user journeys, as we believe that a seamless billing experience is vital to our users' enjoyment and success.Your Responsibilities:Design and implement robust monetization systems that align with Replit’s objectives.Craft intuitive payment experiences that cater to both product-led and sales-led strategies.Develop new APIs and abstractions to enable fellow engineers to effectively monetize their products.Refine pricing strategies and packaging tactics, including coupon codes and referral systems, to maximize revenue potential.Establish monitoring and feedback systems to proactively identify and resolve issues while optimizing performance metrics.Qualifications:Minimum of 6 years of engineering experience with a strong emphasis on backend development.Proven expertise in one or more areas such as:Subscription platformsUsage-based billing systemsSaaS taxationPayment processing systemsTokenization solutionsSelf-motivated and able to thrive in dynamic, ambiguous environments.Exceptional problem-solving skills with a knack for debugging complex billing challenges.Experience in building user-friendly billing interfaces that simplify intricate pricing models.Technologies We Utilize:Proficient in Python, TypeScript, React, Postgres, GraphQL, and Node.js.

Join Replit as a Staff Software Engineer on our Enterprise Platform team. In this role, you will leverage your expertise to build robust and scalable software solutions that empower developers and businesses alike. Collaborate with cross-functional teams to shape the future of development platforms while working in a dynamic, creative environment.

About AlluxioAlluxio is at the forefront of data orchestration, providing the essential data layer for contemporary AI and analytics solutions. Our platform has been successfully implemented in production environments at eight of the top ten internet companies and seven of the ten most valuable enterprises worldwide. With a focus on unifying data across various storage systems, regions, and clouds, Alluxio delivers a high-performance distributed caching layer tailored for large-scale AI workloads.Founded by the creators of Tachyon and spun out of UC Berkeley's AMPLab, Alluxio is supported by prominent investors including Andreessen Horowitz, Hillhouse Capital, and Seven Seas Partners, positioning us at the intersection of data engineering, distributed systems, and AI infrastructure.Our technology is leveraged at scale by industry leaders such as Meta, Uber, Tencent, TikTok, Alibaba, Expedia, Rakuten, Microsoft, and Walmart, facilitating billions of data operations daily. To learn more, visit us at alluxio.io or check our profile on Wikipedia.The RoleWe are seeking skilled distributed-systems engineers to join our Core Product team and drive advancements in Alluxio’s data orchestration engine—the backbone for AI and analytics on a global scale.In the capacity of a Staff Software Engineer, you will tackle high-impact challenges such as: 1. Enhancing metadata management, caching, and replication across thousands of nodes. 2. Architecting concurrent, fault-tolerant services for multi-region and multi-cloud environments. 3. Advancing the storage abstraction and scheduling layer of Alluxio to accommodate large-scale AI/ML data workflows. 4. Collaborating with internal product teams to push the boundaries of distributed I/O performance.This position is a hands-on role that combines architecture and implementation, ideal for engineers who are passionate about deep systems work and want to make a significant impact within a small, expert team.

Join Zoox as a Staff AWS Cloud Security Engineer, where you will play a pivotal role in safeguarding our cloud infrastructure. Collaborate with cross-functional teams to design and implement robust security solutions, ensuring the integrity and confidentiality of our systems.

Join our innovative Motion Planning team, where you will play a critical role in enhancing the driving behaviors of our robots as they navigate public roads. Your mission will be to determine the robot's destination and devise safe routes in complex environments, such as the bustling streets of Downtown San Francisco or the iconic Las Vegas Strip.This is an exhilarating challenge that demands close collaboration with a diverse group of specialists, including experts in Planner, Perception, Prediction, and Operations. Together, you will drive the advancement of cutting-edge algorithms that enhance our robot's capabilities in navigating intricate traffic scenarios.Safety is our top priority. You will employ a systematic approach by developing modifications to the Planner, conducting simulations and closed-course tests, and collaborating with our safety drivers for real-world testing.Key Responsibilities:Develop, debug, and test features and enhancements related to driving behaviors in our production codebase.Collaborate closely with senior engineers to interpret design specifications and produce robust, high-quality code.Utilize our comprehensive backend tools to execute regression tests and validate your modifications across various driving scenarios.Engage in on-vehicle drive reviews, assisting in data collection and generating actionable insights on driving performance.

At Replit, we are pioneering a transformative platform that empowers individuals to create software using natural language, making application development accessible to everyone. With millions of users globally, including over 500,000 businesses, we are breaking down the barriers to software creation and fostering innovation.About the Position:As a Senior Staff Software Engineer at Replit, you will collaborate closely with a talented team of product and platform engineers, designers, sales representatives, and product managers to develop features that enhance user collaboration and accelerate the journey from concept to software. You will play a pivotal role in shaping the experiences of our vast user base.Your Responsibilities:Lead significant engineering projects and guide new products from inception to launch.Analyze and resolve complex technical challenges that impede progress, devising effective solutions.Define the strategic technical roadmap and ensure successful execution of projects to achieve desired outcomes.Mentor and nurture junior engineers to bolster the growth of the engineering team.Develop and deploy new features and infrastructure utilizing technologies such as TypeScript, React, CSS, GraphQL, Node.js, and Postgres.Essential Skills and Experience:At least 7 years of experience in professional software development.Demonstrated experience in a technical leadership role with a strong cross-functional collaboration background.Proficient in building full-stack applications using TypeScript.Hands-on experience developing products directly for end-users.Preferred Qualifications:Passionate about the future of programming, with experience in IDEs, terminals, or common developer tools.Previous startup experience in a versatile engineering role.This is a full-time position based in our Foster City, CA office. The role requires in-office attendance on Mondays, Wednesdays, and Fridays.Benefits for Full-Time Employees: Competitive Salary & Equity 401(k) Program...

Replit, Inc. seeks a Product Security Engineer for its Product Security Incident Response Team (PSIRT) in Foster City, CA. This hybrid position requires in-office work on Mondays, Wednesdays, and Fridays. Key responsibilities Identify and assess vulnerabilities within Replit products. Respond to product security incidents as a PSIRT member. Conduct security assessments and reviews for both new and existing features. Collaborate with developers to embed security practices into the software development lifecycle. Advise teams on secure coding and help strengthen security awareness throughout the organization. Collaboration and impact This role works closely with engineers, product managers, and other cross-functional partners to address security concerns and refine processes. The focus is on keeping Replit’s products secure and resilient as new threats emerge.

Join Zoox as a Senior/Staff Software Engineer specializing in Perception & Sensing, where you'll work alongside a talented team of engineers from various domains including AI, robotics, and computer vision. This role offers the opportunity to innovate and implement cutting-edge technologies, contribute to research initiatives, and enhance key systems that drive our vision forward. Your expertise will play a pivotal role in the development of algorithms, software, and solutions that enhance our autonomous vehicle technology.

Join Sigma Software as a Database Engineer, where you will play a pivotal role in designing, building, and managing scalable and secure data storage solutions that underpin our applications and analytical processes. Collaborate with both application and data teams to craft schemas, enhance performance, and automate operations using AWS and infrastructure-as-code practices. Your contributions will significantly boost reliability, cut costs, and expedite delivery from development to production.Key Responsibilities:● Design and implement efficient and scalable database solutions tailored to business needs.● Install, configure, and upgrade database software and associated tools.● Monitor database performance while optimizing queries, indexes, and schemas for enhanced reliability and speed.● Establish and uphold database security measures to safeguard sensitive information.● Work alongside application developers to refine schema designs and SQL queries.● Diagnose and resolve incidents promptly across various environments.● Create and maintain comprehensive documentation for architecture, configuration, and operational procedures.● Engage in capacity planning and advocate for infrastructure enhancements.● Manage and support AWS database infrastructure, including RDS, Aurora, and Redshift.● Remain updated on emerging database technologies, methodologies, and industry best practices.

We are seeking a dynamic and detail-oriented QA Release Engineer to join our innovative team at Vertex Sigma Software. In this pivotal role, you will be responsible for managing the machine learning (ML) model merge queue and facilitating the release of new ML models for our vehicle systems. Your expertise will be instrumental in optimizing developer workflows and minimizing delays in branch updates.

Join our innovative team as a Senior / Staff 3D Engine Software Engineer - Simulation at Zoox. You will play a pivotal role in developing state-of-the-art 3D engine technology, contributing to groundbreaking simulation projects that enhance the capabilities of our autonomous vehicles.

Join Vertex Sigma Software as a Functional Safety Engineer in our Advanced Hardware Engineering (AHE) division. In this role, you will collaborate with systems and functional safety teams to conduct comprehensive Failure Mode Effects Analysis (FMEA) at both system and sub-system levels. Your expertise will extend into board and component level diagnostics, allowing you to provide critical insights into hardware capabilities and functionality. You will closely interact with systems and design engineers to ensure that requirements are fully understood and met, providing verification and validation of our hardware through rigorous testing.Key Responsibilities:Lead and actively engage in quantitative and qualitative functional safety initiatives that contribute to the development of detailed Failure Mode Effects and Diagnostic Analysis.Thoroughly review vendor documentation for components and boards to ascertain diagnostic capabilities.Collaborate with firmware engineers to implement diagnostics and work with the verification and validation team to confirm their effectiveness.Partner with the Test Team and Test Infrastructure team to enhance verification processes and improve diagnostic coverage.Establish new requirements to bolster the diagnostic capabilities of our hardware by working closely with both EE and FW teams.Conduct in-depth analysis of safety manuals provided by vendors for complex System on Chips (SoCs) and microprocessors.Develop requirements for safety-critical hardware to undertake Fault Injection Testing, adhering to ISO 26262:2018 standards.

At Zoox, we’re pioneering the future of transportation by developing an innovative autonomous ride-hailing service that will redefine mobility. Our Operations Tools team serves as the critical backbone of this initiative, and we are on the lookout for a highly skilled Staff Software Engineer to step into a leadership role within this influential sector. This position transcends traditional full-stack development; you will navigate the fascinating intersection of web development, robotics, and real-time operational systems, crafting the software that enables us to effectively manage and expand our fleet of autonomous robotaxis. If you are an experienced engineer who excels at tackling complex, interdisciplinary challenges and desires to make a meaningful impact in the world, we invite you to connect with us.

Join our innovative Prediction & Behavior ML team at Zoox, where we are at the forefront of developing cutting-edge machine learning algorithms that analyze and predict driving behaviors from complex data sets. Our algorithms are pivotal in enhancing both on-vehicle driving decision-making and off-vehicle simulation and validation processes. By closely collaborating with the Planner team, we ensure a seamless integration of behavior forecasting and motion planning, driving the advancement of our autonomous vehicle technology. Furthermore, our partnerships with the Perception, Simulation, and Systems Engineering teams enable us to rigorously validate and refine our driving performance.As a Learned Trajectory Machine Learning Engineer, you will be instrumental in designing and implementing advanced deep learning models that generate accurate trajectories for our vehicles. Your work will directly impact the integration of behavior prediction with motion planning, and you will collaborate extensively with Planner and Perception teams to elevate our vehicle's overall functionality and performance.

Join Vertex Sigma Software as a DevOps Engineer and play a pivotal role in our software development lifecycle!Responsibilities:Develop and maintain essential tools that empower cross-functional teams in delivering software compliant with a High Assurance Process.Collaborate closely with various Continuous Integration (CI) tools and infrastructure to meet the strategic objectives defined by our software systems engineering team.Engage with team leads to clarify tool requirements, establish delivery milestones, and automate necessary tooling, including comprehensive reporting of relevant business metrics.Participate in code reviews and incident postmortems, contributing to the long-term stability and reliability of our software systems.

Join Replit, the innovative platform revolutionizing software development by empowering individuals to craft applications through natural language. With a vibrant community of millions, including over 500,000 business users, we are breaking down traditional barriers to application creation.At Replit, we are building the most user-friendly AI coding assistant in the industry. Replit Agent is designed to help anyone transform their ideas into reality—whether it’s a personal app, a groundbreaking startup, or a productivity tool for work, our platform makes it achievable. Our comprehensive suite of tools enhances the app creation process, from integrations and storage to hosting and analytics, ensuring a smooth transition from development to production and beyond.About the Role:As a Senior Staff Software Engineer, you will play a pivotal role in advancing Replit Agent as a technical leader within the Replit Cloud organization. Reporting directly to the Vice President of Engineering, you will collaborate with the Replit Cloud team to develop our proprietary cloud infrastructure, enabling users to build, scale, and thrive entirely on Replit. You will oversee critical components such as databases, application storage, app publishing, hosting, and custom domains, which are essential to our competitive advantage.Your Responsibilities:Lead significant projects, taking new products from concept to launch, or enhancing existing offerings to attract and retain users.Collaborate closely with designers and product managers to iterate swiftly on Replit Cloud, driving continuous product enhancement.Identify and resolve critical technical and quality challenges that hinder our progress, implementing effective solutions.Mentor and nurture junior engineers, fostering their growth and contributing to team development.Deliver products and build infrastructure as a full-stack developer using technologies such as TypeScript, React, CSS, Postgres, Go, and Terraform.Potential Contributions:Utilize our distinctive cloud infrastructure to create exceptional product experiences, enabling non-technical users to overcome challenges.Implement AI agents to proactively enhance app performance, focusing on latency, reliability, SEO, and more.Participate in engineering leadership, guiding teams towards impactful projects and supporting cross-company initiatives.

Join Sigma Software as a Database Engineer, where you'll be instrumental in designing, building, and maintaining robust and secure data storage solutions that drive our applications and analytics. Collaborate closely with both application and data teams to define schemas, enhance performance, and automate operations utilizing AWS and infrastructure-as-code methodologies. Your contributions will significantly enhance system reliability, reduce operational costs, and streamline delivery from development to production.Responsibilities: ● Develop and implement scalable database solutions tailored to meet business needs. ● Install, configure, and upgrade database management systems and related tools. ● Monitor database performance and optimize queries, indexes, and schemas for optimal efficiency. ● Establish and uphold security measures to safeguard sensitive information. ● Work in partnership with application developers to refine schema designs and SQL queries. ● Diagnose and resolve incidents promptly across various environments. ● Create and maintain comprehensive documentation for architecture, configurations, and operational runbooks. ● Conduct capacity planning and suggest infrastructure enhancements. ● Oversee and support AWS database infrastructure, including RDS, Aurora, and Redshift. ● Stay updated on emerging database technologies and best practices.