Senior Software Engineer, Core Technology

At IXL Learning, we develop innovative personalized learning solutions that are embraced by millions around the globe. We are on the lookout for passionate Senior Software Engineers who are enthusiastic about merging technology with education to enhance our existing educational products and to create new, groundbreaking offerings. Joining our team means contributing to products that significantly influence the lives of learners everywhere.This is a full-time position based in our San Mateo, CA headquarters. Our work schedule is Monday to Friday, with an opportunity to work from home one day a week.Key ResponsibilitiesCollaborate with a team of skilled engineers to initiate projects from the ground up and also to improve our existing code base.Develop the back-end architecture, application logic, and user interfaces for our educational products.Lead the development lifecycle for your team, which includes design, coding, documentation, testing, debugging, and optimization.Provide accurate project estimates, assess feasibility, and evaluate new platforms and technologies for implementation.Communicate effectively across multiple development teams to design and launch exceptional products.

Join IXL Learning, a leading developer of personalized educational products impacting millions worldwide. We are on the lookout for passionate Software Engineers who are excited about integrating technology with education. As part of our innovative team, you will contribute to enhancing our existing educational products and creating new ones that positively influence learners' lives.This is a full-time opportunity based in our San Mateo, CA headquarters, with a Monday to Friday in-office schedule, and the flexibility to work from home one day each week.Key ResponsibilitiesCollaborate with a talented team of engineers to initiate fresh projects and enhance our current codebase.Develop back-end architecture, application logic, and user interfaces for educational products.Lead your team through the development cycle, including design, coding, documentation, testing, debugging, and optimization.Provide accurate project estimates, evaluate feasibility, and explore new platforms and technologies for implementation.Engage in clear communication and collaboration across multiple teams to design and launch exceptional products.

Join Roblox as a Principal Software Engineer in Core Services, where you'll lead the development of critical systems that support millions of users. You will work in a collaborative environment, leveraging cutting-edge technologies to drive innovation and enhance the user experience.

Join Roblox as a Senior Software Engineer specializing in Application Performance, focusing on enhancing our Core UI. In this role, you will be instrumental in optimizing our user interface to deliver a seamless experience for millions of players worldwide. Collaborate with a talented team of engineers to develop innovative solutions that drive performance improvements and enhance user engagement.

Join Roblox, where millions engage daily to explore, create, play, learn, and connect in immersive 3D experiences crafted by our global community of developers and creators.At Roblox, we are committed to building innovative tools and platforms that empower our community to bring their imaginative experiences to life. Our vision is to transform the way people connect from anywhere in the world and on any device. We are dedicated to connecting a billion people with positivity and respect, and we are on the lookout for exceptional talent to help us achieve this goal.A career at Roblox means you will contribute to shaping the future of human interaction, tackle unique technical challenges at scale, and help foster safer, more respectful shared experiences for all.The Core Services team oversees the essential infrastructure and API stack while developing high-throughput microservices that power Roblox. These services must be fast, reliable, and highly scalable, significantly impacting the daily experience of every Roblox user. Additionally, the team is responsible for shared libraries, infrastructure microservices, and the web infrastructure utilized by all Roblox full-stack feature teams. We deploy testable and configurable features that facilitate rapid experimentation, data collection, and optimization for performance and user engagement. Core Services is pivotal to the Roblox experience.As a Senior Software Engineer on our team, you will take ownership of and drive the development and management of our core infrastructure, API stack, and microservices. These elements are critical to supporting various services and platforms within Roblox, including our studio environment. You will also play a vital role in developing tools and frameworks for full-stack teams. This is an opportunity to take charge of high RPS (requests per second) services, contribute to the re-architecture of systems to support our company's growth, and collaborate with diverse teams, including Infra and product teams at Roblox, leading initiatives and making a significant impact across the organization.Here are some highlights of how we power Roblox:Microservices - We manage over 50 microservices, the highest of any full-stack engineering team at Roblox. These services are essential to the operation of Roblox, forming the core connection between users and experiences.

Every day, millions of users flock to Roblox to explore, create, engage, learn, and connect with friends through immersive 3D digital experiences developed by our vibrant community of creators.At Roblox, we are dedicated to building tools and platforms that enable our community to turn their imaginative ideas into reality. Our vision is to transform the way people connect, regardless of their location or the device they use. We are on a mission to unite a billion individuals with positivity and respect, and we seek exceptional talent to help us achieve this goal.Joining Roblox means you will play a pivotal role in shaping the future of human interaction, tackling unique technical challenges at scale, and contributing to the creation of safer, more civil shared experiences for everyone.The Engine Networking Team is responsible for uniting players by ensuring seamless communication of the game state. As a Principal Network Transport Engineer, you will enhance the player experience by fostering a nearly synchronous world. Just as the nerves in our bodies coordinate actions, our network system synchronizes all computers involved for a cohesive experience. You will engage with all aspects of our game platform in pursuit of real-time communication across Roblox.

At Genesis Therapeutics, we are on a mission to revolutionize drug discovery by harnessing the power of machine learning, biophysical simulation, and computational chemistry. We are assembling a top-tier computational team and seek a passionate Infrastructure Engineer to contribute to the development of innovative medicines while playing a pivotal role in enhancing our AI platform.Your ResponsibilitiesCollaborate with the infrastructure team to sustain and expand our multi-cloud compute infrastructure that underpins ML model training, computational chemistry research, and ongoing drug discovery initiatives.Develop configuration and procedures for monitoring, resource allocation, and deployment automation to scale our autoscaling compute clusters for larger workloads.Enhance our orchestration scheduling framework to boost execution throughput, reliability, and compute utilization across diverse pipelines.Your QualificationsA minimum of 5 years of experience in building and maintaining large-scale cloud infrastructure, preferably in AWS or GCP.Strong proficiency in Python, Bash, Terraform, Ray, and Kubernetes.Experience in constructing and maintaining compute clusters for distributed ML training jobs utilizing 1,000+ GPUs is highly desirable.Hands-on experience with physical hardware and datacenter management is a plus.What We OfferAn opportunity to work on impactful infrastructure that accelerates the discovery of new medicines.Join a world-class, close-knit team of dedicated professionals across software, machine learning, computational chemistry, medicinal chemistry, and biology.Competitive salary and equity, along with comprehensive medical, dental, and vision insurance, and a 401(k) program.

Join Roblox, a leading player in the gaming industry, as a Senior Software Engineer in Core Services. In this role, you will be at the forefront of developing and maintaining essential backend services that empower our platform and enhance user experiences. You will collaborate with a talented team of engineers to design scalable, robust systems that support millions of concurrent users across the globe.

About the Role Speechify is looking for an iOS Core Product Software Engineer in San Mateo, CA. This role focuses on building and refining iOS applications that support Speechify’s audio technology. The work centers on delivering a smooth, reliable user experience. What You Will Do Develop and optimize core features for Speechify’s iOS apps Work with teams across engineering, product, and design to create and maintain new functionality Help ensure the app runs smoothly and meets quality standards

At Roblox, we empower a global community of developers and creators to shape their digital experiences. Every day, millions engage with our platform to explore, create, play, learn, and connect with friends in immersive 3D environments.Our mission is to transform how people interact across the globe, from any device. We envision a future where we connect a billion individuals with positivity and respect, and we seek extraordinary talent to help realize this goal.Joining Roblox means being part of a pioneering team that addresses unique technical challenges and enhances the safety and civility of shared experiences for all users.The Engine Networking Team plays a crucial role in synchronizing player experiences by managing the communication of game states. As a Principal Engineer, you will ensure that players enjoy a seamless, almost real-time gaming environment. Your expertise will contribute significantly to the networking and asset loading processes, enhancing the overall player experience.

Skydio builds autonomous drones for a wide range of users, from utility inspectors and first responders to military personnel in the field. Based in San Mateo, California, Skydio combines artificial intelligence expertise with advanced hardware and software development, always focused on customer needs. About the Cloud Infrastructure Team The Cloud infrastructure group keeps Skydio’s platform available whenever and wherever it’s needed, whether for routine inspections or urgent disaster response. With thousands of drones deployed worldwide, the team continually improves how infrastructure is delivered and updated. Role Overview The Infrastructure Software Engineer manages and evolves Skydio’s Kubernetes fleet, making key software changes to support new and changing requirements. This hybrid role spans both infrastructure and software, offering the chance to shape product architecture, security, and performance. The position suits someone who enjoys working across the stack and tackling a mix of challenges. What You’ll Do Redesign and maintain a growing Kubernetes fleet and its supporting systems. Improve and expand the continuous delivery pipeline for Skydio’s products. Work with teams from hardware to cloud to introduce new platform features. Partner with security experts to strengthen data and drone protection measures. Introduce cost-saving strategies early in the product lifecycle to support long-term growth. What We’re Looking For At least 2 years of experience in infrastructure or software engineering. Hands-on knowledge of Kubernetes and cloud platforms. Strong analytical and problem-solving skills, with a collaborative approach. Drive for innovation and a high standard of quality in your work. Location: San Mateo, California, United States

Join Our Team at LuminaiLuminai is transforming healthcare operations by bridging the gap between human effort and technology. Our innovative solutions automate critical processes that have traditionally relied on manual work, enabling healthcare providers to focus on what truly matters: their patients. Despite the challenges faced by health systems, Luminai's platform organizes complexity, automates workflows, and integrates intelligence across systems to streamline operations and enhance patient care.Backed by leading investors from Silicon Valley—including General Catalyst, Peak XV, and YCombinator—Luminai is on a mission to redefine healthcare efficiency and productivity.About the OpportunityAs a Staff Software Engineer, you will be a key architect in developing our core platform, which is utilized globally for executing and scaling AI automations in essential production settings. Your expertise in software engineering fundamentals will be critical as you lead technical projects and contribute to our ambitious engineering goals. You will play a pivotal role in defining and enhancing the foundational systems that empower our engineering team to deliver an exceptional platform experience.Key ResponsibilitiesDevelop languages and associated tools (DSLs, parsers, compilers) for both internal and external system abstractions.Design and maintain distributed computing environments.Identify and resolve system bottlenecks, proactively re-architecting foundational abstractions to facilitate scalability.Lead technical initiatives that establish high-quality standards in the codebase.Define and enhance experimentation, monitoring, reliability, and observability strategies for production systems.Drive improvements to the core Luminai Integrated Development Environment (IDE) to ensure an outstanding user experience.

Roblox Corporation seeks a Senior Software Engineer to join the Video team in San Mateo, CA. This position centers on developing new video features that enhance interactive entertainment for users across the Roblox platform. Role overview The Senior Software Engineer - Video will play a key part in shaping how video content is delivered and experienced. The work involves close collaboration with other teams to ensure solutions are scalable and meet the needs of a large, diverse user base. What you will do Design and implement video features that create engaging experiences for users Collaborate with colleagues from different disciplines to deliver scalable video solutions Optimize video systems to achieve high performance and reliability

Roblox Corporation is seeking a talented Principal Software Engineer to lead the development of our Stateless Jobs Platform within the Core Services team. This role is perfect for an experienced engineer who thrives in a dynamic environment and is passionate about building scalable solutions that enhance user experiences.

Verkada is looking for a Software Engineering Manager to guide the Search team in San Mateo, CA. This position centers on leading a skilled group of engineers focused on improving search features and overall user experience. Role overview This manager will play a key role in shaping the direction of search capabilities within Verkada’s products. The work involves setting clear priorities, defining project scopes, and ensuring that the team delivers reliable software solutions that meet customer needs. Collaboration Close coordination with cross-functional partners is essential. The role requires frequent communication with other teams to align goals and maintain a high standard of quality throughout the development process. Impact Strong leadership will help drive innovation, support customer satisfaction, and optimize how users interact with Verkada’s search features.

About LuminaiLuminai is revolutionizing healthcare operations by harnessing the power of technology to eliminate inefficiencies and streamline critical processes. In a sector where manual labor often obstructs innovation, our platform automates vital workflows, enabling healthcare professionals to concentrate on what truly matters: patient care. With significant backing from top-tier Silicon Valley investors, including General Catalyst and YCombinator, we are positioned at the forefront of healthcare technology.About the RoleAs a Senior Software Engineer at Luminai, you will play a pivotal role in developing user-centric applications that enhance our platform's functionality and user experience.What You'll DoLead complex application development projects, overseeing planning, design, and implementation throughout the technology stack.Collaborate on shaping the core product direction, utilizing system enhancements to deliver increased customer value.Enhance Luminai's tooling by contributing to both frontend and backend components.Promote software development best practices, including code reviews and testing, to ensure the delivery of high-quality, maintainable software.Design and implement robust API, authentication, and middleware solutions to bolster the platform's scalability and security.What We're Looking ForDemonstrated experience in delivering high-quality code on challenging projects.Extensive knowledge of JavaScript/TypeScript, React, and Python.A keen eye for detail, with a passion for maintainable and scalable frontend solutions.Experience across the entire stack, from backend to frontend, is highly desirable.

Join IXL Learning, a leader in personalized educational solutions that enhance the learning experience for millions worldwide. We are on the lookout for a passionate Software Engineering Manager who will guide a talented team of engineers in delivering innovative software solutions. This role involves not only overseeing projects but also diving into the intricacies of software design and engineering. As a mentor, you will play a crucial role in fostering the growth of your team while establishing effective processes that drive productivity and excellence. At IXL, we take pride in our impactful products, and we are excited to welcome you aboard to help shape the future of education.This is a full-time role based in our San Mateo, CA headquarters, with a work schedule from Monday to Friday and the opportunity to work from home one day each week.

Sendbird seeks a Software Engineer specializing in AI Agents to help develop and enhance advanced AI technologies. The position is based in San Mateo, California. Role overview This engineer will collaborate with a talented team to design, build, and improve AI-driven features. The work centers on creating solutions that strengthen user experiences across Sendbird’s platforms. What you will do Work with team members to design and implement AI-powered features Refine and optimize AI technologies to support user needs Contribute to ongoing improvements across Sendbird’s products

Join Skydio, the preeminent drone company in the United States and a pioneer in autonomous flight technology, crucial for the future of aerial mobility. Our team is composed of experts in artificial intelligence, cutting-edge hardware and software development, operational excellence, and an unwavering dedication to customer satisfaction. We aim to empower a diverse population of drone users, including utility inspectors, first responders, and military personnel.Role Overview:We are on the lookout for a Staff Frontend Engineer to spearhead the development of real-time, impactful applications tailored for drone pilots, first responders, and mission commanders. In this pivotal role, you will help shape the future of drones as essential infrastructure by designing intuitive, robust, and high-performance interfaces that deliver critical video, telemetry, and control functionality.Your Contributions:Revolutionize the UI/UX of Skydio’s real-time browser flight experience.Craft mission and mapping workflows in immersive 3D with geospatial data integration.Enhance browser performance through process optimization techniques including web workers.Foster an engineering culture centered around best practices through code reviews and technical discussions.Empower pilots to conduct complex multi-drone operations seamlessly.Collaborate with autonomy teams and iterate on features based on in-field feedback.Ideal Candidate Profile:Over 8 years of experience in developing and deploying customer-facing frontend applications.Expertise in modern web technologies including React, TypeScript, GraphQL, and WebGL/Three.js.Demonstrated ability to design scalable systems focused on performance, reliability, and user experience.Strong product intuition and empathy for users operating in high-pressure environments.Proven track record of cross-team collaboration to deliver complex, integrated features from inception to production.Preferred Qualifications:Experience with geospatial data visualization tools (Mapbox, Cesium, etc.).Familiarity with photogrammetry, scanning, mapping, or rendering technologies.Experience in integrating frontend applications with cloud services (AWS, Temporal, Kubernetes).

Why Choose PlayStation?At PlayStation, we pride ourselves on being not only the Best Place to Play but also the Best Place to Work. As a global leader in entertainment, we are the proud creators of the PlayStation family of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and numerous acclaimed software titles from PlayStation Studios.We are committed to fostering an inclusive workplace that empowers all employees and celebrates diversity. We encourage individuals with a passion for innovation, technology, and gaming to explore our open positions and join our expanding global team.The PlayStation brand operates under Sony Interactive Entertainment, a fully-owned subsidiary of Sony Group Corporation.Join us at Sony Interactive Entertainment LLC (PlayStation) for an exciting opportunity! Our software production organization is in search of a Senior Software Engineer to enhance our Platform Audio team, a pioneer in audio technology. Your contributions will be vital in developing system libraries for both current and next-generation PlayStation products. You will spearhead the design and implementation of groundbreaking technology for 3D audio, hardware DSP, and virtual reality. The software you create will serve as the foundation for an SDK utilized by industry-leading game and content developers, revolutionizing audio experiences worldwide. If this resonates with you, we invite you to apply!