Backend Engineer at zaimler | San Mateo, CA

Join the zaimler TeamIn a world where AI agents often struggle with fragmented enterprise data, zaimler is pioneering a transformative solution. Our platform serves as the context infrastructure for the agentic era, enabling AI agents to comprehend and reason over data with unparalleled accuracy. By automatically discovering domain knowledge and mapping intr…

Join zaimler as a Senior Frontend EngineerAt zaimler, we believe that AI agents must have a deep understanding of the data they work with. Today, enterprise data is often siloed and lacks the necessary context and structure, leading to the challenges faced by many AI systems. We are pioneering a shift toward autonomous AI agents that require a robust infrastructure layer, and we are at the forefront of this innovation.As the context infrastructure for the agentic era, zaimler provides a platform that automatically uncovers domain knowledge, maps intricate relationships, and equips AI agents with the semantic capabilities needed to function accurately at scale. Imagine a world where knowledge graphs enable real-time inference, tailored for systems that need reasoning, not just data retrieval.Founded by industry veterans Biswajit Das and Sofus Macskassy, zaimler is a seed-stage company with a small, experienced team working alongside major enterprises in sectors like insurance, travel, and technology. If you're passionate about creating the foundational infrastructure for the next decade of AI technology, we would love to connect with you.Position OverviewAs a Senior Frontend Engineer, you will be instrumental in shaping and developing the user experience for our Graph Semantic Layer. Your responsibilities will encompass the entire product lifecycle, from initial user research to the final interface design, collaborating closely with our design partners.We are looking for a candidate with an entrepreneurial spirit who excels in fast-paced, early-stage environments, capable of juggling multiple roles—leading technical implementations while significantly contributing to product strategy.

About zaimlerAt zaimler, we recognize that AI agents struggle when they encounter data they cannot comprehend. Today, enterprise data is often scattered across multiple systems, lacking a cohesive context, meaning, or structure. This fragmentation is a primary reason why many enterprise AI initiatives fall short. As we transition from copilots to fully autonomous agents, we are pioneering a new infrastructure layer to support this evolution.zaimler is at the forefront of building the context infrastructure for the agentic era. Our platform automatically uncovers domain knowledge, maps intricate relationships, and equips AI agents with the semantic understanding necessary for precise operations at scale. Picture knowledge graphs that facilitate real-time inference, designed for systems that require robust reasoning capabilities rather than mere data retrieval.Founded by industry veterans Biswajit Das (former VP of Engineering at Truera) and Sofus Macskassy (ex-Director of Engineering at LinkedIn), who has developed one of the largest knowledge graphs in production, zaimler is a small, senior team in the seed stage, collaborating with major enterprises in sectors such as insurance, travel, and technology. If you are passionate about creating the infrastructure that will underpin the next decade of AI, we would love to connect with you.The RoleIn the position of Technical Lead, you will play a crucial role at the intersection of technical execution, architecture, and leadership.This is a hands-on opportunity where you will write code, take ownership of systems, and lead our expanding team of engineers. Your leadership will be vital in delivering production-quality infrastructure while maintaining high standards of engineering excellence as we scale.This is not a project management role; you are a builder who can inspire and lead.

About zaimlerAt zaimler, we believe that AI agents must have a deep understanding of the data they work with. Today, enterprise data is often scattered across multiple systems without a cohesive context, leading to the failure of many AI applications. We are at the forefront of a transformation from simple copilots to fully autonomous agents, and we are constructing the necessary infrastructure to support this evolution.Our platform serves as the context infrastructure for the agentic era, facilitating the automatic discovery of domain knowledge, mapping of relationships, and empowering AI agents with the semantic comprehension required for precise operation at scale. Picture knowledge graphs that enable real-time inference, designed for systems that need to reason rather than merely retrieve information.Founded by industry veterans Biswajit Das, a former VP of Engineering at Truera and Chief Architect at Visa, alongside Sofus Macskassy, an ex-Director of Engineering at LinkedIn who was instrumental in building one of the largest operational knowledge graphs, zaimler is a small, dedicated team in the seed stage. We are collaborating with major enterprises spanning insurance, travel, and technology sectors. If you are eager to help create the infrastructure that will support the next decade of AI, we want to hear from you.About the RoleWe are seeking a dynamic Forward-Deployed Engineer to join our founding team and implement our AI-driven data infrastructure in real-world scenarios. This hybrid role combines elements of infrastructure, product development, and deployment—requiring you to navigate various systems, tools, and teams to transition new projects from concept to large-scale implementation. You will be a crucial responder, architect, and operator, deploying zaimler’s semantic infrastructure within diverse enterprise environments, closely collaborating with ML and infrastructure engineers to ensure customers derive value from day one.This role prefers candidates located in or aligned with the Pacific Time Zone (PST) and will necessitate on-site travel to customer locations.

About zaimlerAt zaimler, we believe that AI agents can only succeed if they can reason over data that is well-understood. Today, enterprise data is often scattered across numerous systems without a unified context, leading to the challenges faced by many AI implementations. As we transition from copilots to fully autonomous agents, we are pioneering a new infrastructure layer to support this evolution.zaimler serves as the contextual infrastructure for the agentic era: a platform designed to automatically uncover domain knowledge, establish relationships, and empower AI agents with the semantic understanding needed for precision operations at scale. Envision knowledge graphs that facilitate real-time inference, tailored for systems that require reasoning rather than mere data retrieval.Founded by industry veterans Biswajit Das (former VP Engineering at Truera and Chief Architect at Visa) and Sofus Macskassy (ex-Director of Engineering at LinkedIn), who developed one of the largest knowledge graphs in the sector, zaimler comprises a small, experienced team at the seed stage, collaborating with major enterprises across sectors such as insurance, travel, and technology. If you're passionate about creating the infrastructure that will shape the next decade of AI, we want to hear from you.The RoleAs zaimler's inaugural Technical Writer, you will not only craft documentation but also define our documentation strategy, select the necessary tools, and integrate documentation into our product and customer experience from the outset. Our platform operates at the crossroads of knowledge graphs, data infrastructure, and AI agents, serving senior engineers and data teams within large enterprises who require documentation that is accurate, reliable, and created by someone with a deep understanding of the underlying systems.This multifaceted role encompasses API references, SDK guidelines, platform architecture documentation, customer onboarding materials, integration manuals, and internal engineering documentation. You will collaborate closely with our engineering, product, and go-to-market teams to ensure that zaimler's technology is accessible and user-friendly.

Join zaimler as Our First Director of MarketingAt zaimler, we're pioneering the next frontier in AI infrastructure. Our mission is to transform fragmented enterprise data into a coherent context that empowers AI agents to operate with unparalleled accuracy and scale. We believe that the future of AI lies in understanding rather than merely retrieving data. With a team led by industry veterans like Biswajit Das and Sofus Macskassy, we're at the forefront of building a platform that enhances real-time inference through advanced knowledge graphs.Your Mission:We are looking for a dynamic Director of Marketing to shape our go-to-market strategy from the ground up. In this pivotal role, you will be responsible for defining our brand narrative, packaging our product for our ideal customer profile (ICP), and overseeing our company launch within the B2B/enterprise sector. This is an exciting opportunity to make a significant impact in a fast-growing startup.

Join Our Innovative Team at zaimlerAt zaimler, we believe that AI agents must be able to reason over data to be effective. Today's enterprise data is often fragmented across multiple systems without a cohesive context, which is why many AI solutions fall short. We are at the forefront of a transformative shift from copilots to fully autonomous agents, laying the groundwork for a new infrastructure layer.We are building zaimler as the premier context infrastructure for the emerging agentic era. Our platform automatically uncovers domain knowledge, maps intricate relationships, and empowers AI agents with the semantic understanding necessary to function with accuracy at scale. Picture knowledge graphs capable of supporting real-time inference, designed for systems that need to reason, not just retrieve.Founded by industry veterans, Biswajit Das (ex-VP Engineering, Truera) and Sofus Macskassy (ex-Director of Engineering, LinkedIn), zaimler has a small yet highly experienced team committed to deploying solutions for major enterprises in sectors such as insurance, travel, and technology. If you are passionate about creating infrastructure that will underpin the next decade of AI advancements, we are eager to connect with you.Role OverviewAs a Full-Stack Engineer at zaimler, you will be a key player in designing and implementing features that enhance user interaction with context, data, and AI systems in a production environment. You will collaborate closely with backend, platform, and machine learning engineers, translating complex system behaviors into intuitive and reliable user experiences.This is a hands-on role offering genuine ownership; you will have the opportunity to influence both the architecture and user experience of a core platform relied upon by engineers.

Roblox is looking for a Senior Frontend Software Engineer to help shape engaging user interfaces for a global audience. This position is based in San Mateo, CA. Role overview This role centers on designing and building interactive frontend features that reach millions of players worldwide. The work involves collaborating with teams from different disciplines to deliver polished and intuitive experiences. What you will do Create and implement user interfaces that support Roblox’s platform and community. Work closely with engineers, designers, and product managers to refine and launch new features. Apply current frontend technologies and development practices to improve usability and performance. Requirements Experience developing modern frontend applications. Strong skills in designing user interfaces for large-scale platforms. Ability to collaborate within cross-functional teams.

Join zaimler as a Senior Product ManagerAt zaimler, we recognize that AI agents struggle to reason over fragmented enterprise data. Today's data landscape is disjointed, leaving AI solutions ineffective due to a lack of shared context and structure. The transition from mere copilots to fully autonomous agents calls for an innovative infrastructure layer, and that’s precisely what we are developing.As the backbone of the agentic era, zaimler offers a platform that autonomously uncovers domain knowledge, establishes connections, and empowers AI agents with the semantic comprehension necessary for precise and scalable operations. Envision knowledge graphs that facilitate real-time inference, designed for systems that need to reason, not just retrieve.Founded by industry veterans Biswajit Das (ex-VP Engineering, Truera) and Sofus Macskassy (ex-Director of Engineering, LinkedIn), zaimler is a small but experienced team at the seed stage, collaborating with major enterprises across sectors such as insurance, travel, and technology. If you're passionate about building the infrastructure that will support the next decade of AI, we'd love to connect with you.The RoleAs zaimler's inaugural Product Manager, you will take charge of transitioning our platform from initial traction to widespread adoption. This entails defining the concept of "knowledge as an API" as a product, enhancing the SDK and developer experience, and ensuring our platform is a key element that customers wish to integrate into their tech stack rather than merely being offered.This role demands a deep technical understanding and cross-functional collaboration. You will engage directly with the founder, engineering, design, and go-to-market teams to steer product strategy while spending considerable time with enterprise clients and ISV partners within the data and ML ecosystem to ground your decisions in real-world relevance.

Every day, millions of users engage with Roblox to create, explore, and connect in immersive 3D environments—all crafted by our diverse community of developers and creators.At Roblox, we are committed to building innovative tools and platforms that empower our community to turn their imaginative visions into reality. Our mission is to transform how individuals connect, regardless of their location or device. As we strive to connect a billion people with positivity and civility, we seek exceptional talent to join our journey.Joining Roblox means you will be instrumental in shaping the future of human interaction, tackling unique technical challenges at scale, and contributing to the creation of safer, more respectful shared experiences for everyone.Are you an experienced engineer with a strong commitment to reliability and scalability? We are on the lookout for outstanding Software Engineers to join our Reliability team at Roblox. In this crucial role, you will lead the advancement of our systems, ensuring they achieve the highest standards of performance, reliability, and efficiency. You will collaborate with cross-functional teams to build robust infrastructure that sustains our growth. If you have a proven track record in resolving complex technical challenges, we want to hear from you. Help us shape the future of our platform and deliver exceptional value to our users.At Roblox, we envision reaching 1 billion daily active users, and we believe this engineer will be vital in propelling us toward that ambitious goal.Your Responsibilities:Create software and libraries that enhance fault tolerance and resilience.Design and develop frameworks and tools for performance testing, chaos experimentation, and improving infrastructure resiliency.Develop and implement performance monitoring and observability services to proactively identify and address infrastructure issues and platform degradations.

About ZaimlerZaimler is at the forefront of transforming the way enterprise data is utilized in the era of AI. Our mission is to eliminate the fragmentation of data across disparate systems, providing AI agents with the contextual understanding necessary to operate efficiently and effectively. We are pioneering an innovative infrastructure layer that will redefine the capabilities of autonomous agents, enabling real-time inference through advanced knowledge graphs.Founded by industry veterans Biswajit Das and Sofus Macskassy, Zaimler is a seed-stage startup focused on delivering cutting-edge solutions to major enterprises across various sectors, including insurance, travel, and technology. If you're passionate about building the foundational infrastructure for the next generation of AI, we invite you to join our small, experienced team.Your RoleAs our Founding Cloud Infrastructure Engineer, you will take the lead in designing, constructing, and managing the cloud infrastructure that underpins Zaimler’s semantic platform. This is not a maintenance position; it’s an opportunity to create a robust system from the ground up that will shape the future of our operations.

Verkada seeks a Senior Backend Engineer based in San Mateo, CA. This position centers on creating and maintaining backend systems that support Verkada’s security products. Role overview The Senior Backend Engineer will design and implement infrastructure that can scale to meet the demands of modern security solutions. The work involves ensuring reliability and efficiency across the systems that power Verkada’s offerings. What you will do Build and maintain backend systems that support security products Design infrastructure with scalability in mind Focus on delivering reliable and efficient solutions Location This role is based in San Mateo, CA, United States.

Join Roblox as a Senior Software Engineer and become part of a dynamic team that is shaping the future of online gaming. You will play a crucial role in developing high-quality software solutions that enhance our platform and improve user experiences. Collaborate with cross-functional teams, contribute to architectural decisions, and mentor junior engineers.

At Roblox, we engage tens of millions daily in a vibrant 3D universe where players can explore, create, and connect with friends. Our global community of developers and creators fuels this immersive experience.We are dedicated to crafting the tools and platform that empower our community to realize their creative visions. Our goal is to revolutionize how people connect from anywhere in the world on any device. Join us in our quest to unite a billion individuals with positivity and kindness, and be part of the exceptional talent that drives this mission.A career at Roblox means you will help redefine human interaction, tackle unique technical challenges at scale, and contribute to creating safer, more respectful shared experiences.As a Senior Software Engineer on our Matchmaking team, you'll play a critical role in developing and overseeing essential services within the Roblox ecosystem. Your work will influence our matchmaking processes, optimizing the selection of the most suitable game server for each play request, which is a complex O(n²) problem. Our system supports millions of concurrent players and ensures seamless game orchestration across globally distributed data centers, adapting to Roblox's remarkable growth. The Matchmaking team's mission is to deliver an unparalleled player experience by selecting the optimal game and managing performance across our worldwide data centers.

About UsAt Verkada, we are revolutionizing the way organizations safeguard their people and assets through an innovative, AI-driven platform. As a frontrunner in cloud-based physical security, we empower over 30,000 global organizations, including more than 100 Fortune 500 companies, to enhance safety and operational efficiency with our unified software solutions, which encompass video security, access control, environmental monitoring, alarms, intercoms, and visitor management.Founded in 2016, Verkada has rapidly expanded to 15 offices worldwide, employing over 2,200 dedicated professionals.Role OverviewWe are seeking skilled backend engineers to join our Verkada Core Command team. In this role, you will be instrumental in scaling our authentication, user management, roles, and audit functionalities to support the needs of the world's largest organizations.Your ResponsibilitiesDesign and implement scalable control planes and data primitives for all Verkada products.Develop robust distributed systems capable of managing high traffic from hundreds of thousands of devices globally.Initiate new services within a microservices architecture.QualificationsBachelor's degree in Computer Science, Computer Engineering, or Software Engineering.4+ years of relevant industry experience.Proven track record in building and scaling access systems for millions of users worldwide.Excellent verbal and written communication skills.Proficiency in at least one of the following programming languages: Python or Go.Experience with relational databases such as Postgres or MySQL.Familiarity with key-value storage systems like Redis or Memcached.Knowledge of distributed queueing systems (Kafka) and caching (Redis, Memcached).Experience with major cloud service providers (AWS, GCP, Azure).Exposure to React framework.Understanding of GRPC and API specifications.Willingness to work on-site five days a week.

Who We AreVerkada is at the forefront of revolutionizing how organizations safeguard their personnel and premises through an innovative, AI-driven platform. As a prominent player in the realm of cloud-based physical security, Verkada empowers organizations to enhance safety and operational efficiency via a cohesive software platform that integrates video security, access control, air quality monitoring, alarm systems, intercoms, and visitor management solutions.With over 30,000 organizations globally, including more than 100 Fortune 500 companies, choosing Verkada as their trusted security partner, we simplify management, optimize control, and facilitate scalable security solutions. Established in 2016, Verkada has rapidly grown, boasting 15 offices and a workforce of over 2,200 dedicated professionals.About the RoleJoin our Computer Vision team as a Senior Backend Engineer, where you will be responsible for gathering and analyzing both visual and non-visual data to develop and train models capable of alerting customers about significant situations. If you are excited about modernizing traditional industries while enhancing global security, we would love to connect with you.Recent Projects for This Role IncludeDesign and implement scalable backend systems that can efficiently index hundreds of millions of images daily.Develop robust backend solutions for object recognition across vast image datasets.

About the Role Freshworks is looking for a Senior Frontend Software Engineer in San Mateo. This role focuses on building web applications that make customer interactions smoother and more effective. Collaboration is central: engineers, designers, and product managers work closely to deliver reliable, high-quality software. What You Will Do Develop and refine user interfaces for web applications Work with team members to create solutions that improve customer experience Apply frontend expertise to design scalable, responsive features Who We’re Looking For Strong background in frontend technologies Experience architecting applications for usability and performance Comfort working in cross-functional teams

Speechify seeks a Software Engineer, Platform, to strengthen its text-to-speech technology. This position is located in San Mateo, CA. Role focus This role centers on building and maintaining core platform components that power Speechify’s products. The work directly supports users who rely on text-to-speech features in various applications. Key responsibilities Develop and improve platform solutions that enable Speechify’s text-to-speech capabilities Support product teams by delivering reliable infrastructure for a range of user-facing applications

Join Roblox, where millions of users engage daily to explore, create, play, learn, and connect through immersive 3D digital experiences crafted by our global community of developers and creators.At Roblox, we are dedicated to developing tools and platforms that enable our community to transform their imaginative ideas into reality. Our mission is to redefine how people connect across the globe, regardless of location or device. We strive to unite a billion people with positivity and respect, and we are on the lookout for exceptional talent to help us achieve this ambitious goal.A career at Roblox means you will contribute to shaping the future of human interaction, tackling unique technical challenges on a large scale, and assisting in crafting safer, more civil shared experiences for all users.As a Software Engineer on our Game Solutions team, you will explore the limits of what is possible in both established and emerging experiences on Roblox. Your role will involve prototyping, deploying solutions alongside external development studios, and iterating with the latest engine features, ultimately allowing you to significantly influence our engine roadmap and APIs.

Join IXL Learning, a leader in personalized education solutions used by millions worldwide, as we enhance our software engineering team dedicated to our Rosetta Stone and Wyzant products. We strive to maintain exceptional service quality for our diverse user base, including learners, educators, tutors, and administrators. We are on the lookout for passionate engineers specializing in site reliability and operations who excel at simplifying complexities and constructing highly scalable infrastructure.This full-time role is based at our San Mateo, CA headquarters, with a Monday to Friday schedule and the flexibility to work from home one day per week.