Lead Software Engineer

About UsAt Twelve Labs, we are at the forefront of innovation, creating advanced multimodal foundation models that enable machines to understand videos in a human-like manner. Our groundbreaking approach to video-language modeling is setting new benchmarks, enhancing our ability to analyze and interact with diverse media formats.With an impressive $107 million in funding from leading venture capital firms including NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, as well as visionary AI leaders like Fei-Fei Li and Alexandr Wang, we are strategically positioned to drive global innovation. Our headquarters in San Francisco, along with a significant presence in Seoul, illustrates our commitment to reshaping the future of technology.We celebrate the unique journeys of every individual and believe that our diverse backgrounds fuel our creativity and innovation. We invite passionate individuals who share our mission to join us in transforming video understanding and multimodal AI.Role OverviewUnlike typical video engineering roles that focus primarily on enhancing human playback, at Twelve Labs, we engineer video for machine comprehension. This unique approach prioritizes AI model performance over mere perceptual quality. As the Principal Software Engineer for Video Engineering, you will architect and implement our video processing pipelines, overseeing the entire journey from byte ingestion through to playback. Your work will be pivotal in ensuring our systems are efficient, cost-effective, and tailored for AI-driven video intelligence at scale.Your ResponsibilitiesEnd-to-End Ownership: Lead the design and execution of video pipelines, covering ingestion, decoding, chunking, storage, and playback, applicable to both batch and streaming modes.Codec Expertise: Guide the development of decoding strategies, container format management, and codec implementations, ensuring optimal performance for various video types.

Welcome to Demandbase:At Demandbase, we are pioneering the only pipeline AI platform designed to empower go-to-market (GTM) teams in automating growth at scale. Our platform offers a holistic view of data, insights, actions, and outcomes, allowing B2B enterprises to effectively align and implement their account-based GTM strategies with confidence. Trusted by thousands of businesses, we help maximize revenue, reduce waste, and streamline data and technology stacks—all within a single platform.Our commitment extends beyond technology; we invest deeply in our teams, culture, and the communities we serve. Recognized continually as one of the Best Places to Work in the San Francisco Bay Area by Fortune and as one of the 60 Best Companies to Sell For by Selling Power, our offices are strategically located in San Francisco, New York, Austin, Seattle, India, and the United Kingdom.Role OverviewAs a Principal AI Software Engineer, you will spearhead the design and implementation of AI-native platforms that will transform how Demandbase develops and scales intelligent systems. Acting as a technical beacon, you will lead the evolution from traditional SaaS architectures to autonomous, agent-driven systems powered by generative AI.This is a senior-level individual contributor position with significant influence across the enterprise. You will establish architectural directions, collaborate closely with Product and Engineering leadership, and ensure our infrastructure and platforms are equipped to support large language models (LLMs), agentic workflows, and real-time AI-driven capabilities at scale.The base compensation for this position is applicable to candidates based in San Francisco, CA. For candidates located elsewhere, the base compensation will align with the primary work location, as our compensation ranges are location-specific. Actual compensation packages will reflect a variety of factors unique to each candidate, including skill set, years of experience, and depth of expertise.

Join Gusto as a Principal Software Engineer in our Money Group, where you will play a pivotal role in transforming the way businesses manage their finances. You will lead a team of talented engineers, driving innovation and excellence in our software development processes. Your expertise will help shape our product offerings, ensuring they are both robust and user-friendly.In this role, you will collaborate closely with cross-functional teams, including product management and design, to deliver high-quality software solutions. You will be responsible for architectural decisions, mentoring junior engineers, and fostering a culture of continuous improvement.

Join Cloudflare as a Principal Software Engineer specializing in Resiliency, where you will play a pivotal role in enhancing our systems' robustness and availability. Your expertise will contribute to building and maintaining resilient infrastructure that supports our global network, ensuring our customers receive uninterrupted service.In this role, you will work alongside a talented team of engineers to identify vulnerabilities, implement solutions, and innovate new strategies that enhance system performance and reliability. If you are passionate about software engineering and system resiliency, we invite you to apply!

Join Cloudflare as a Principal Software Engineer specializing in billing systems, where you will play a pivotal role in shaping our payment and invoicing solutions. You will collaborate with cross-functional teams to implement innovative solutions that enhance user experiences and streamline processes. If you're passionate about building scalable software and want to contribute to a fast-paced, innovative environment, we want to hear from you!

About the TeamOpenAI’s B2B Engineering team is committed to delivering our advanced technology to the world through our developer platform and enterprise products. We develop robust backend systems, APIs, and infrastructure that empower developers and organizations to leverage OpenAI's capabilities in production environments.Our expertise encompasses distributed systems, data infrastructure, platform services, and enterprise-grade features such as security, compliance, authentication, and reliability. We collaborate closely with product, research, design, infrastructure, and forward-deployed teams to transform pioneering AI functionalities into scalable and dependable products.About the RoleWe are seeking a Principal Software Engineer to architect and scale the systems that drive our developer and enterprise-facing products. You will take charge of the design for backend services and platform capabilities that safely and reliably integrate new AI functionalities into production at a global scale.This position covers a wide technical landscape, including distributed systems, APIs, databases, data pipelines, and secure enterprise infrastructure. You will play a pivotal role in shaping both the technical architecture and the product experience of our platform, maintaining high standards for performance, safety, reliability, and API design.ResponsibilitiesDesign, implement, and scale backend services, APIs, and infrastructure supporting OpenAI’s developer and enterprise products.Lead the architectural design of distributed systems, databases, and data pipelines that handle large-scale, high-reliability production workloads.Own key platform capabilities from initial technical strategy and design through implementation, launch, and ongoing operation.Carefully shape API design, treating interfaces as core product touchpoints while ensuring a top-notch developer experience.Create secure, reliable, and compliant systems that cater to both enterprise and developer needs.Work closely with product, research, design, infrastructure, and forward-deployed engineering teams to deploy new capabilities into production.Steer technical direction across complex challenges, making sound architectural trade-offs to balance speed, quality, and maintainability.Enhance engineering productivity by developing internal tools, platform abstractions, and systems that amplify efficiency across the organization.

Join Discord, a platform that connects over 200 million users every month primarily through gaming. With over 90% of our users engaged in gaming activities, we facilitate over 1.5 billion hours of gaming conversations, enhancing the experience before, during, and after gameplay.The Infrastructure organization at Discord is fundamental to our user experience. We handle the real-time delivery of over 40 million events per second and manage the storage of trillions of messages, ensuring robust connections among our vast user base. As a Principal Engineer, you will play a pivotal role in guiding our infrastructure teams, shaping our technical vision, and maintaining the reliability of Discord at a massive scale.This position is ideal for a professional who excels at the intersection of advanced technical skills and organizational leadership. You will contribute to our infrastructure roadmap, address our most challenging technical dilemmas, and ensure our systems can efficiently scale to accommodate the next wave of users.

Principal Software Engineer Saviynt offers an AI-driven identity platform that effectively manages and governs access permissions for both human and non-human entities across all organizational applications, data, and processes. Our clients rely on Saviynt to protect their digital assets, enhance operational efficiency, and lower compliance expenses. Designed for the age of AI, Saviynt is at the forefront of helping organizations safely advance their AI deployments and utilization. As a recognized leader in identity security, we provide solutions that empower and protect some of the world’s leading brands, Fortune 500 companies, and government institutions. For more details, please visit www.saviynt.com. Role Summary In this pivotal role, you will provide technical leadership and extensive knowledge in complex engineering domains, guiding architectural decisions while ensuring scalability, reliability, and quality across key platform components. As a Principal Engineer, you will act as a technical authority, mentor senior engineers, and tackle the most intricate technical challenges. The Connectors team plays a crucial role in facilitating seamless integrations between Saviynt's Identity Governance platform and a multitude of enterprise applications by developing and maintaining robust, scalable connector frameworks. We are committed to ensuring reliable data synchronization, provisioning, and lifecycle management across diverse external systems, forming a vital foundation for the entire platform. What You Will Be Doing ● Design and architect scalable, high-performance connector frameworks for enterprise application integrations.● Define technical standards, best practices, and design patterns for connector development.● Drive architectural decisions for complex integration scenarios involving over 200 enterprise applications.● Evaluate and recommend new technologies, tools, and frameworks to enhance connector reliability and performance.● Lead technical design reviews and provide guidance on system architecture and design trade-offs.

About GustoAt Gusto, our mission is to empower the small business economy. We tackle essential services like payroll, health insurance, 401(k)s, and HR, allowing business owners to concentrate on their passion and their customers. With teams in Denver, San Francisco, and New York, we proudly support over 400,000 small businesses across the nation, while fostering a workplace that reflects and honors the diverse customers we serve. Discover more about our Total Rewards philosophy.About the Role:We are seeking experienced engineers to join our teams focused on enhancing core platform capabilities, optimizing existing systems for scalability, and shaping the future of Gusto's Payroll and Tax systems. As a Principal Software Engineer, you will lead projects from inception to completion, influencing initial feature specifications, optimizing systems towards desired outcomes, executing projects, and maintaining the code that underpins key user experiences. If you are passionate about developing sophisticated software that has a significant impact on the modern economy, we invite you to join us!About the Team:The Payroll team is the core of Gusto’s operations. The Pay Group teams (responsible for payroll and tax) oversee the product, operational, and service aspects that Gusto utilizes to onboard clients, process payroll, calculate taxes and deductions, pay and file with tax authorities, and ensure compliance on behalf of our clients. This domain is intricate and offers opportunities to engage in system design that simplifies processes for both internal and external customers.Sub-Teams:Tax Accuracy: This group is responsible for gathering and maintaining the essential information required to ensure timely and accurate tax payments and filings for our clients, consisting of multiple teams covering various aspects of the process.Ledger: This team is developing a payroll ledger to monitor accrual accounting for payroll-related monetary movements, beginning to support the payroll domain, risk management, payments, and accounting.Engine: This team collaborates closely with the payroll compliance team to facilitate compliant payroll processes, such as minimum wage adjustments and regular pay rates.

At ZoomInfo, we are committed to accelerating careers. We foster a dynamic environment where innovation thrives, empowering you to produce your best work. Our team is dedicated, supportive, and celebrates victories together. With cutting-edge tools that amplify your contributions and a culture that nurtures your ambitions, you'll not only make an impact but also drive change swiftly.As a Principal Software Engineer on our Advertising, Company Intelligence, and Intent team, you will play a pivotal role in designing and implementing the foundational systems that drive our real-time marketing platform. You will work on high-throughput ad infrastructure, large-scale identity resolution, and intelligent systems enhanced by large language models (LLMs), pushing the boundaries of scalability, intelligence, and speed to achieve significant business outcomes.You will join a team engaged in a variety of ambitious and technically challenging projects—from APIs processing tens of billions of events daily to innovative buyer intent algorithms powered by LLMs and a unified B2B identity graph. Your strengths and interests will guide your assignment to initiatives where your impact can be maximized.This role is situated in a high-growth, high-ownership environment at the forefront of modern software engineering, data infrastructure, and applied AI.

Join Cloudflare as a Principal Software Engineer, where you will play a pivotal role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams to enhance our platform's scalability, security, and performance, making a significant impact on our global user base.

Join our talented team at Canva as a Senior Software Engineer specializing in Video Performance. We are looking for an innovative and solutions-oriented engineer who is passionate about optimizing video experiences for our users. In this role, you will collaborate with cross-functional teams to enhance performance, develop new features, and implement best practices in video engineering.

Join Crusoe Technologies as a Principal Software Engineer specializing in Software-Defined Networking (SDN). In this pivotal role, you will lead the design and development of innovative networking solutions that leverage SDN technologies. You will work closely with cross-functional teams to enhance our networking capabilities and drive the future of our products.As a thought leader in SDN, you will be responsible for architecting scalable solutions, optimizing performance, and ensuring robust security across our network infrastructure. This is an exciting opportunity to impact the rapidly evolving tech landscape.

Are you ready to push the boundaries of your capabilities?At Coinbase, we are on a mission to enhance economic freedom globally. This ambitious goal challenges us to excel every day as we construct the future of the on-chain platform and the global financial system.We are looking for a unique individual who is not only passionate about our mission but also believes in the transformative potential of cryptocurrency and blockchain technology in modernizing the financial landscape. We seek someone eager to make a significant impact, thrives under pressure, collaborates with exceptional colleagues, and actively seeks constructive feedback to foster personal growth. We want someone who approaches the company's toughest challenges head-on.Our work culture is intense and may not be for everyone. However, if you aspire to shape the future alongside high-performing peers who expect the same from you, there is no better place to be.While many positions at Coinbase embrace a remote-first approach, we are not entirely remote. In-person participation is required periodically throughout the year. We organize team and company-wide retreats multiple times annually to enhance collaboration, connection, and alignment, and attendance is both expected and supported.As we strive to fulfill our mission, we are evolving into an "AI-first" organization, fundamentally rethinking the operations of a global financial institution. Artificial Intelligence is central to this strategy, enhancing our core processes while human experts provide high-level judgment as the system's "function calls".The RoleWe are in search of a visionary Principal Software Engineer with a focus on AI to serve as the technical guiding force for our AI Automation initiatives. You will be responsible for developing Agentic AI systems that drive multiple organization-wide projects, including their foundational elements, orchestration layers, and the tools necessary for every Coinbase team to automate their workflows. Reporting to the VP of Engineering, you will operate with a high degree of autonomy to define the essence of a fully AI-driven enterprise from the ground up.What You’ll DoArchitect Agentic Systems: Innovate and construct sophisticated multi-agent architectures that transition from simple interactions to autonomous execution and intricate reasoning.Tackle the "Hard Problems" of AI: Establish and implement reliable evaluation frameworks, eliminate hallucinations through rigorous data grounding, and build comprehensive solutions.

Join Canva as a Staff Software Engineer specializing in Video Templates! In this pivotal role, you will be responsible for designing and implementing innovative video solutions that enhance user experience. Collaborate with cross-functional teams to create visually appealing and user-friendly video templates that cater to diverse needs. Your expertise in software engineering will contribute to our mission of empowering people to create stunning visual content effortlessly.

Join Saviynt as a Principal Software Engineer in our Privileged Access Management team, where you will drive innovation and excellence in security solutions. Our Enterprise Identity Cloud empowers organizations to navigate the complexities of cloud initiatives, ensuring robust security and compliance while delivering a seamless user experience. We integrate identity governance, granular application access, cloud security, and Privileged Access Management to create a secure business ecosystem. Trusted by the world's leading brands, Saviynt accelerates digital transformation and supports distributed workforces.We invite you to apply if you are:A Collaborative Partner: You thrive in teamwork, engaging effectively with engineering, product, and cross-functional teams to tackle complex challenges.An Exceptional Problem Solver: You excel at addressing intricate technical issues with innovative, creative solutions while fostering collaboration.A Forward Thinker: Your expertise in software design and architecture allows you to maintain high-quality standards while proactively seeking ways to enhance performance and efficiency.A Customer-Centric Builder: You possess strong interpersonal skills, understanding customer needs and effectively communicating technical solutions to their challenges.An Empowering Mentor: You foster a supportive environment, guiding your team to become self-sufficient while providing constructive feedback and nurturing their growth.

Role Overview SoFi is looking for a Principal Software Engineer focused on Member Growth to join the San Francisco headquarters. This role centers on designing and building software that improves the experience for SoFi’s members and supports the company’s mission to help people achieve financial independence. What You Will Do Lead the design and implementation of new software solutions aimed at increasing member engagement and growth. Guide and mentor a skilled team of engineers, providing technical direction and support. Work closely with cross-functional partners to deliver systems that scale with SoFi’s expanding user base. Apply modern technologies and engineering practices to create reliable, maintainable platforms. Location This position is based at SoFi’s San Francisco headquarters in California.

Join our dynamic team at Canva as a Senior Software Engineer specializing in Video Templates. In this role, you'll leverage your expertise to design and develop innovative video solutions that enhance user engagement and creativity. Collaborate with cross-functional teams, contributing to an agile environment that fosters creativity and excellence in software development.

Your Contribution at Lila Sciences We are on the lookout for a Principal Software Engineer with full stack proficiency to become an integral part of our software team. You will play a key role in shaping the future of our AI-powered scientific platform. This position involves designing, constructing, and fine-tuning backend systems that support intelligent, data-centric applications. Your focus will be on creating user interfaces, services, high-performance APIs, and databases while ensuring the robustness of services that merge advanced AI frameworks with intricate scientific analytics and lab workflows. Collaboration is vital as you'll work alongside ML researchers, platform engineers, and scientists to build systems capable of managing varied workloads and scaling effortlessly. This includes working with structured SQL databases, data lake houses, and vector databases. If you are enthusiastic about crafting high-performance and sophisticated systems, we would love to connect with you! Your Responsibilities UI and API Development: Create secure, high-performance, and well-documented user interfaces and APIs that integrate seamlessly with AI applications. Database Design and Management: Develop schemas and oversee diverse data systems (including SQL, NoSQL, and Vector DBs) for peak performance and scalability. Application Implementation: Spearhead the development of both front-end and backend services with an emphasis on performance, maintainability, and reliability. System Optimization: Identify and resolve system bottlenecks to ensure high availability and low-latency performance across large-scale workloads. Cloud Services and Infrastructure: Utilize AWS services, Kubernetes, and cutting-edge DevOps practices to design and deploy production-ready systems at scale. Collaborative Development: Partner with ML researchers, engineers, and scientists to weave data pipelines, APIs, and cloud infrastructure into scientific workflows.