Mission: We are looking for an exceptional Principal Engineer and Technical Lead to spearhead our extensive AI model and software evaluation framework known as Ground Truth Regression. The ideal candidate will possess a robust background in data engineering and machine learning principles, along with proven leadership experience in creating and deploying sophisticated data analysis and large-scale orchestration frameworks. At Motional, orchestrating large-scale data analysis is essential for the development of our machine learning-driven autonomous vehicles. Our robo-taxi ML models and software are crafted by a diverse team of developers and deployed multiple times daily. The Ground Truth Regression team is responsible for providing a comprehensive perception analysis framework that validates any modifications affecting the behavior of our autonomous vehicles. The GTRegression team assesses the overall impact of ML and software modifications on the autonomous vehicle during the development phase, equipping the team with tools for root cause analysis and safety assessments. We actively monitor for model errors, anomalies, rare objects, and long-tail driving scenarios across thousands of driving hours. Our team is responsible for developing the complete stack, including AWS Kubernetes orchestration frameworks, re-simulation tools, model metrics, regression reports, and in-depth analysis UIs. We collaborate closely with other perception and ML teams to define metrics and analyze outcomes.

Role overview versant3 is hiring a Principal Infrastructure Engineer in Englewood Cliffs. This senior role guides the design, build, and ongoing improvement of core infrastructure systems. The Principal Infrastructure Engineer sets direction for reliability and scalability, drawing on deep technical experience to shape how platforms run and grow. What you will do Lead the architecture and deployment of infrastructure systems Optimize platforms for performance, reliability, and scale Apply broad technical knowledge to solve complex infrastructure challenges

Join our innovative Behaviors team at Motional, where you will work alongside leading ML engineers dedicated to advancing self-driving technology and making a meaningful social impact. Our team specializes in developing sophisticated machine learning models that enable autonomous vehicles to navigate real-world traffic scenarios effectively. These models inform our vehicle's behavior and predict interactions with other road users, including vehicles and pedestrians.We are seeking exceptional leaders and technical experts passionate about Level 4 autonomous driving technology. If you thrive on intellectual challenges and wish to accelerate your career with a dynamic, rapidly growing company, we want to hear from you!Your Responsibilities:Define and oversee motion planning and prediction projects aimed at enhancing the safety, comfort, and legality of our self-driving vehicles in complex traffic environments.Lead, mentor, and expand a talented team of engineers.Design and implement advanced behavior models utilizing cutting-edge machine learning, generative AI, and reinforcement learning techniques.Transition solutions into production and deploy them across our fleet of autonomous vehicles.Collaborate with perception, simulation, data platforms, and integration teams to validate and optimize the performance of your solutions in real-world scenarios.Communicate strategies, progress, and challenges to the executive leadership team.

Role Overview SnapLogic is hiring a Principal Solutions Engineer based in the United States. This role centers on helping clients integrate their data efficiently using SnapLogic’s technology. The position calls for a strong technical background and a commitment to client success. What You Will Do Work directly with clients to design and implement data integration solutions Collaborate with cross-functional teams to address complex business needs Focus on delivering high-quality results that meet client requirements Stay current with SnapLogic’s platform and contribute to ongoing innovation What Sets This Role Apart This position puts you in close contact with both technology and business stakeholders. The work involves hands-on problem solving and a strong emphasis on collaboration. Success in this role means helping clients achieve seamless data integration and supporting SnapLogic’s reputation for client satisfaction.

Ramboll is seeking a highly skilled and experienced Senior or Principal Civil Engineer to join our dynamic Infrastructure team. In this pivotal role, you will be responsible for leading various civil engineering projects, ensuring compliance with industry standards while delivering innovative and sustainable solutions. You will collaborate with multidisciplinary teams to drive project success and contribute to our commitment to shaping the future of infrastructure.

Join Nagarro as a Principal Engineer specializing in Cloud Infrastructure, where you will play a pivotal role in designing and optimizing our cloud architecture. You will leverage your expertise to drive innovation, enhance system performance, and ensure the reliability of our infrastructure.

Salary Range: The compensation for this role is negotiable, ranging from $6,000 to $12,500 per month (Gross, in USD), depending on experience and location.About Sezzle:Sezzle is on a mission to financially empower the next generation. We are transforming the shopping experience by integrating innovative technology with seamless, interest-free installment plans that make shopping more efficient and accessible. Our approach not only redefines payments but also enhances the way consumers discover, engage with, and purchase their favorite products, positively impacting merchant sales through increased conversions and larger order values. As we continue to redefine the future of fintech and retail, we are assembling a dynamic and innovative team dedicated to creating an exceptional shopping experience. If you are passionate about pushing the limits of technology and transforming consumer and merchant interactions, we invite you to join us at Sezzle and help shape the future of shopping!Role Overview:We are looking for a highly skilled and driven Principal Engineer for our Data Infrastructure team. This is an exceptional opportunity to excel in a fast-paced, dynamic environment within a rapidly expanding organization, offering ample opportunities for career growth.As Sezzle grows, so does our data generation and consumption, and we recognize the immense value of data. Our goal is to empower our business, engineering teams, and the entire organization to read, write, and analyze large volumes of data with speed and efficiency.We heavily utilize MySQL, Postgres, and Redshift, and leverage AWS tools such as Aurora RDS and DMS. We employ DBT-based transformations and similar toolkits to build a fast-growing data lake that supports multiple data warehouses. While we've achieved excellent scalability, we are eager to explore new tools and technologies to further enhance our capabilities.Key Responsibilities:Take full responsibility for our database and data warehousing infrastructure, including MySQL, Postgres, CDC capture, and Redshift, while ensuring KPIs and SLAs are met.

Join Nagarro as a Principal Engineer in our Infrastructure Operations team, where you will play a pivotal role in driving technological advancements and optimizing our infrastructure. We are looking for a highly skilled engineer who can lead complex projects, innovate solutions, and mentor junior engineers in a dynamic environment.

Role Overview Nextdata is hiring a Lead Principal Infrastructure Engineer in San Francisco, CA. This position focuses on building the foundation for a decentralized data mesh platform, supporting data ownership and enabling AI, machine learning, and analytics at scale. What You Will Do Develop automation solutions for provisioning and managing the Nextdata OS across multiple cloud platforms. Work closely with the founding engineering team to design and implement a secure, self-service infrastructure for future data product developers. Own the architecture and deployment of the OS, using infrastructure-as-code to ensure high code quality and scalability. Engage directly with customers to understand their requirements and translate feedback into technical improvements. Collaborate with product teams to align infrastructure capabilities with business needs. What You Bring Expertise in large-scale distributed systems and data infrastructure. Experience designing, deploying, and maintaining cloud-based platforms. Strong background in infrastructure-as-code and automation. Ability to work collaboratively with engineering and product teams. Comfort engaging with customers to gather feedback and requirements.

Salary Range: The compensation for this position is negotiable, with a monthly gross salary ranging from $6,000 to $12,500, depending on your location and experience level.About Sezzle:Sezzle is committed to empowering the next generation financially. We are transforming the shopping landscape by integrating advanced technology with flexible, interest-free installment plans, making shopping smarter and more accessible. Our mission transcends mere transaction processing; we are redefining how consumers discover, engage with, and purchase their favorite products while significantly enhancing merchant sales through improved conversion rates and increased average order values. As we continue to innovate in the fintech and retail sectors, we are assembling a dynamic team focused on creating a unique shopping experience. If you are passionate about pushing the boundaries of technology and enhancing the consumer and merchant experience, we invite you to join Sezzle and be a part of shaping the future of shopping!Role Overview:We are on the lookout for an exceptional Principal Engineer to lead our Data Infrastructure team. This role offers an exciting opportunity to flourish in a fast-paced, dynamic environment within a rapidly expanding team, with numerous opportunities for career growth.As Sezzle continues to grow, so does our data generation and consumption. We recognize the immense value of data and are dedicated to equipping our engineers and the entire organization with the ability to read, write, and analyze substantial volumes of data swiftly and efficiently.Our technology stack heavily utilizes MySQL, Postgres, and Redshift, along with AWS tools like Aurora RDS and DMS. We employ DBT-based transformations and similar tools to maintain a rapidly expanding data lake that supports multiple data warehouses. While our current system has scaled well, we are eager to explore new tools and technologies to further enhance our capabilities.Key Responsibilities:Take full ownership of our database and data warehousing infrastructure, including MySQL, Postgres, CDC capture, and Redshift, ensuring KPIs and SLAs are met.

Salary Range: The compensation for this role is negotiable, with a range of $6,000 to $12,500 per month (Gross in USD), depending on experience and location.About Sezzle:At Sezzle, we are on a mission to financially empower the next generation. We are transforming the shopping experience beyond just payments by integrating innovative technology with seamless, interest-free installment plans that make shopping smarter and more accessible. Our goal is not only to redefine payments but also to enhance how consumers discover, engage with, and purchase the items they love, while significantly impacting merchant sales through improved conversion rates and higher order values. As we continue to innovate in the fintech and retail sectors, we are building a dynamic team that is passionate about crafting a truly unique shopping journey. If you are eager to push the boundaries of technology and deliver a transformative experience for consumers and merchants alike, we invite you to join us at Sezzle!About the Role:We are searching for a skilled and driven Principal Engineer to lead our Data Infrastructure. This role offers a remarkable opportunity to excel in a fast-paced environment within a rapidly expanding team, providing ample career advancement opportunities.As Sezzle grows, so does our data generation and consumption at an unprecedented scale. We recognize the immense value of data and aim to empower our engineers and the broader organization to read, write, and analyze large volumes of data swiftly and efficiently.Our technology stack prominently features MySQL, Postgres, and Redshift, utilizing AWS tools such as Aurora RDS and DMS. We employ DBT-based transformations and similar toolkits to populate a rapidly expanding data lake that supports multiple data warehouses. While we have successfully scaled our current systems, we are also eager to explore new tools and technologies.

Salary Range: The compensation for this position is negotiable, with a monthly range of $6,000 to $12,500 (Gross in USD), depending on your experience and location.About Sezzle:Sezzle is on a mission to financially empower the next generation. We are transforming the shopping experience by integrating cutting-edge technology with seamless, interest-free installment plans, making shopping smarter and more accessible. Our innovative solutions redefine how customers discover, interact with, and purchase their favorite products, while significantly boosting merchant sales through higher conversions and order values. As we continue to lead the way in fintech and retail, we are building a dynamic team dedicated to creating a unique shopping journey that transcends mere transactions. If you are passionate about pushing the boundaries of technology and delivering extraordinary experiences for consumers and merchants, we invite you to join us at Sezzle and help shape the future of shopping!Role Overview:We are seeking a highly skilled and motivated Principal Engineer for our Data Infrastructure team. This role offers a thrilling opportunity to excel in a fast-paced environment with a rapidly expanding team and ample opportunities for career growth.As Sezzle continues to grow, so does our data generation and consumption. Data is invaluable, and we are committed to empowering our engineers and the wider organization to read, write, and analyze vast volumes of data swiftly and effectively.We utilize MySQL, Postgres, and Redshift extensively, taking advantage of AWS tools like Aurora RDS and DMS. Our DBT-based transformations and similar toolkits help populate a rapidly expanding data lake that supports multiple data warehouses. While our current systems have scaled effectively, we are eager to explore new tools and technologies.Your Responsibilities:Take complete ownership of our database and data warehousing infrastructure, including MySQL, Postgres, CDC capture, and Redshift.

Salary Range: The compensation for this position is negotiable, with a range from $200,000 to $300,000 per year.About Sezzle:Sezzle is on a mission to financially empower the next generation by revolutionizing the shopping experience beyond traditional payments. We blend cutting-edge technology with seamless, interest-free installment plans to make shopping smarter and more accessible. Our goal is not just to transform payments but to redefine how consumers discover, interact with, and purchase the items they love, significantly impacting merchant sales through increased conversions and higher order values. As we continue to shape the future of fintech and retail, we are building a dynamic and innovative team that is passionate about creating a unique shopping journey. If you are enthusiastic about pushing the boundaries of technology and delivering transformative experiences for both consumers and merchants, we invite you to join us at Sezzle and help us craft the future of shopping!About the Role:We are looking for a highly skilled and motivated Principal Engineer to lead our Data Infrastructure initiatives. This is an exciting opportunity to excel in a fast-paced environment within a rapidly expanding team, offering ample opportunities for career growth.As Sezzle continues to grow, so does our data generation and consumption. We recognize the immense value of data and aim to empower our business, engineers, and the entire organization to efficiently read, write, and analyze large volumes of data.Our technology stack heavily relies on MySQL, Postgres, and Redshift, utilizing AWS tools such as Aurora RDS and DMS. We implement DBT-based transformations and similar toolkits to populate a fast-growing data lake that supports multiple data warehouses. While our current setup has served us well, we are eager to explore new tools and technologies.Key Responsibilities:Oversee and manage our database and data warehousing infrastructure, including MySQL, Postgres, CDC capture, and Redshift, ensuring KPIs and SLAs are met.Drive optimizations in database and query performance.Develop and maintain tools to manage and upgrade our data infrastructure, focusing on continuous improvement through migrations and optimizations.Collaborate with development teams to ensure robust queries are deployed against a tested schema that meets the needs of our products and business.Support Sezzle in evolving our data systems beyond current capabilities, leveraging necessary tools to handle high volumes of writes and processing requirements.

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.

About EngineAt Engine, we're revolutionizing business travel, transforming it into a personalized, rewarding, and seamless experience. For too long, the management of travel and spending has been cumbersome and disjointed — we are here to change that. We envision a future where travel is effortless and enhanced by technology that delights customers at every juncture. Our platform integrates corporate travel, an advanced charge card, and modern spend management all in one place.To realize this vision, we seek exceptional, mission-driven individuals who can help redefine how businesses manage and experience travel.Over 20,000 companies trust Engine to support more than 1 million travelers and billions in annual bookings. With a cash flow positive status and rapid growth, we offer exclusive Engine-only rates, industry-leading rewards, and intelligent automation that enable businesses to save money while providing world-class personalization and convenience.Supported by Telescope Partners, Blackstone, and Permira, Engine has earned accolades as one of the fastest-growing travel and fintech platforms in North America, including recognition from the Deloitte Fast 500 and Built In’s Best Places to Work.About the RoleWe are in search of a Principal Product Designer to spearhead our FinTech Design initiatives at Engine. This role involves crafting beautifully simple payment experiences, designing smooth and intuitive billing portals, and contributing to the development of our inaugural credit card. This design team is at the forefront of our entire fintech strategy.As the Principal Product Designer, you will guide projects that are both significant in scope and complexity from conception to execution. We start by envisioning our goals, ensuring a clear path to achieve them.Our design team at Engine comprises over 30 talented Product Designers, Creatives, Art Directors, Brand Managers, and leaders who drive product vision and foster a unique design culture.Designers at Engine are integral to what we refer to as the Big 4—the core team of Product, Design, Engineering, and Data that shapes the roadmap and vision for their domain. Together, you will formulate strategies and deliver features that create immediate and lasting impacts on the product.Successful designers at Engine are proactive, possess strong convictions, and maintain a high standard for product excellence. If this resonates with you, we want to hear from you!

About EngineAt Engine, we are revolutionizing the way businesses approach travel, making it more personalized, rewarding, and straightforward. For far too long, managing travel and expenses has been complex and disjointed — and we are here to change that. We envision a future where travel is seamless and driven by technology that enhances customer experience at every turn. This is why we are developing a platform that integrates corporate travel, a dynamic charge card, and modern spend management in one comprehensive solution.To turn this vision into reality, we seek extraordinary, mission-driven individuals to help us reshape how businesses manage and experience travel.With over 20,000 companies relying on Engine to support more than 1 million travelers and billions in annual bookings, we are cash flow positive and experiencing rapid growth. Our unique Engine-only rates, industry-leading rewards, and intelligent automation empower businesses to save money while delivering world-class personalization and convenience.Backed by prominent investors such as Telescope Partners, Blackstone, and Permira, Engine has been recognized as one of the fastest-growing travel and fintech platforms in North America, earning accolades including the Deloitte Fast 500 and Built In’s Best Places to Work.Your MissionAs a Principal Engineer at Engine, you will significantly influence the technical direction of our platform as we transition from monolithic applications to a distributed architecture. Your collaboration across teams will be vital in defining service boundaries, ensuring system coherence, and guiding the evolution of our platform while prioritizing scalability, performance, and maintainability.What You'll DoDefine and advocate for architectural best practices, assisting teams in designing services that are modular, maintainable, and aligned with long-term business objectives.Lead the transition from monolithic systems to distributed architectures, ensuring scalability, resilience, and long-term maintainability.Shape the technical roadmap, collaborating with engineering leaders to drive key decisions regarding service design, data flow, and system interactions.Address technical challenges head-on, working with engineers to resolve complex issues and guarantee top-quality implementations.Mentor and inspire engineers, fostering a culture of robust engineering principles, service ownership, and thoughtful system design.Collaborate across teams to ensure alignment and drive project success.

At Klaviyo, we embrace the diverse experiences and perspectives that each Klaviyo (our affectionate term for team members) brings to our dynamic workplace. We believe that everyone deserves a chance to succeed and appreciate unique backgrounds beyond traditional qualifications. If you feel you align closely with this role, we encourage you to apply. To explore more about life at Klaviyo and how we empower creators to take charge of their destinies, please visit our careers page. As a hands-on Principal Engineer specializing in compute, networking, storage, runtimes (e.g., Kubernetes), CI/CD, and observability, you will be instrumental in architecting a robust service platform that facilitates rapid and secure deployments. This is an individual contributor role without direct reports; you will lead through exemplary design, coding practices, and incident management, establishing technical standards and service level objectives (SLOs) for our platform services.

Role Overview DeepMind is seeking a Principal Engineer for the Gemini Application Infrastructure team in Mountain View, California. This position focuses on guiding engineering work to strengthen and expand the application infrastructure that supports Gemini. The role involves shaping systems for reliability, scale, and efficiency. What You Will Do Lead technical initiatives to improve and evolve the Gemini application infrastructure. Work closely with colleagues from various disciplines to design and deliver infrastructure solutions. Apply new technologies and methods that advance the capabilities of artificial intelligence applications.

Join OKX as a Principal Engineer specializing in Agent Infrastructure and Memory Architecture. In this pivotal role, you will lead innovative projects that shape our technology landscape. Collaborate with cross-functional teams to design and implement advanced infrastructure solutions that enhance system performance and efficiency.