Senior Software Engineer - Subscriptions

Roblox is looking for a Senior Software Engineer focused on Subscriptions to help shape and improve subscription services for a global audience. This role centers on designing and building reliable software that supports millions of users. Role overview Work closely with teams across disciplines to create and refine scalable solutions for Roblox’s subscripti…

About the RoleJoin our dynamic team, affectionately known as MBMB (More Big More Better), where you will play a crucial role in optimizing our training and on-robot inference stacks. We are seeking bold innovations that drive substantial improvements rather than incremental changes.Your Responsibilities Will Include:Maximizing GPU performance through innovative strategiesDeploying machine learning, hardware, and software modifications that yield significant advancementsEnhancing both inference and training stacks for optimal performanceIdeal Candidates Will:Possess proficiency in the latest machine learning techniques, particularly for training and inference optimizations within transformer and diffusion-based architecturesHave a relentless pursuit of ML optimizations across various domains, including CUDA kernels, ML architecture, frontend and backend network bottlenecks, CPU inefficiencies, NVLink, and communication protocols, as well as optimizations in libraries such as Torch, NumPy, and Python.

About Us:At Fireworks AI, we are pioneering the future of generative AI infrastructure. Our cutting-edge platform provides unparalleled model quality with the fastest and most scalable inference capabilities in the industry. We have been independently recognized as the leader in LLM inference speed and are at the forefront of innovative projects like our proprietary function calling and multimodal models. As a Series C company valued at $4 billion, we are backed by premier investors including Benchmark, Sequoia, Lightspeed, Index, and Evantic. Our dynamic team of builders includes veterans from Meta PyTorch and Google Vertex AI, and we are driven by ambition and collaboration.The Role: We are seeking a talented Software Engineer specializing in Performance Optimization to enhance the speed and efficiency of our AI infrastructure. This role demands ownership of performance optimization across all system layers, from low-level GPU kernels to large-scale distributed systems. Your primary focus will be on maximizing the efficiency of our most demanding workloads, which encompass large language models (LLMs), vision-language models (VLMs), and next-generation video models.You will collaborate closely with teams in research, infrastructure, and systems to identify performance bottlenecks, implement innovative optimizations, and scale our AI systems to meet the real-world demands of production use cases. Your contributions will significantly influence the speed, scalability, and cost-effectiveness of some of the most advanced generative AI models globally.

Join Moonlake, a pioneering company harnessing AI to develop immersive world simulations.Role OverviewEnhancing Training EfficiencyImplement data loaders, fusion techniques, activation rematerialization, and gradient checkpointing.Optimize training with FSDP/ZeRO/tensor+pipeline parallelism and NCCL tuning.Improving GPU and Kernel PerformanceConduct Nsight profiling, develop Triton/CUDA kernels, and create fused operations.Implement flash-attention style accelerations, sequence packing, and KV-cache optimizations.Optimizing InferenceFocus on low-latency serving, continuous batching, and speculative decoding strategies.Apply quantization methods (GPTQ/AWQ), distillation, and pruning techniques.Infrastructure and ReliabilityManage SLURM/Kubernetes multi-node jobs and ensure checkpoint hygiene.Maintain determinism, environment pinning, and effectively handle GPU failures.Our dedicated team thrives on collaboration in our San Mateo office.

Join Roblox, where millions of users engage daily to explore, create, and connect in immersive 3D digital experiences crafted by our dynamic global community of developers and creators.At Roblox, we are dedicated to providing the tools and platform that empower our users to bring their imaginative experiences to life. Our vision is to revolutionize how people connect from anywhere in the world and on any device. We aim to connect a billion individuals with optimism and civility, and we are seeking exceptional talent to help us achieve this goal.A career at Roblox means you will be shaping the future of human interaction, tackling unique technical challenges at scale, and working towards creating safer, more respectful shared experiences for all users.As a Principal Software Engineer in the Performance & Optimization pod within Studio, you will spearhead the architecture, design, and development of simulation, profiling, and debugging tools in Roblox Studio. Your contributions will enable creators to understand their experiences' performance across a diverse range of devices, from high-end PCs to mobile, empowering them to deliver high-quality content rapidly and confidently.You will:Design and implement intricate technical features end-to-end in our game engine and Studio UI that assist creators in comprehending and optimizing their experiences.Collaborate cross-functionally across teams and technology platforms to ensure the delivery of consistent, high-quality tools.Mentor engineers by exemplifying best practices, patterns, and strategies in technology.Enhance product quality through the promotion of automated testing and reliable systems.Contribute to creating the world's leading professional application for massively multiplayer game development.

Join Freshworks as an HR Operations Specialist on a contract basis. In this dynamic role, you will play a pivotal part in optimizing our HR processes and supporting our employees. You will collaborate closely with the HR team to ensure smooth operations and enhance employee experiences.

Roblox is a vibrant platform where millions of users come together to explore, create, play, learn, and connect in immersive 3D experiences crafted by a diverse global community of developers.At Roblox, we are dedicated to building innovative tools and a robust platform that empower our community to bring their imaginative experiences to life. Our vision is to transform how people unite, no matter where they are in the world or what device they use. We are on a mission to connect a billion individuals with optimism and civility, and we seek exceptional talent to help us achieve this goal.Joining Roblox means you will be at the forefront of shaping the future of human interaction, tackling unique technical challenges at scale, and creating safer, more respectful shared experiences for all.Our engine's resource management and streaming systems are crucial for providing a seamless, stable, and responsive experience for Roblox users across a vast array of devices and network conditions. These systems collaboratively manage compute, memory, bandwidth, and rendering quality while delivering dynamic world content in real time as players interact with their environments. The challenges we face include highly dynamic environments, unpredictable user behaviors, and opaque signals stemming from device and OS limitations.This position offers a unique chance to lead the integration of machine learning into real-time engine optimization. You will develop the ML framework for predictive resource allocation and content fetching, transitioning from heuristic-based logic to adaptive, data-driven decision-making. Your contributions will directly influence stability, visual quality, responsiveness, and content delivery across billions of global play sessions.

Why PlayStation?At PlayStation, we pride ourselves on being not only the Best Place to Play but also the Best Place to Work. We are a globally recognized leader in entertainment, producing the PlayStation family of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and acclaimed software titles from PlayStation Studios.We are committed to fostering an inclusive environment that empowers employees and embraces diversity. We invite everyone 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 wholly-owned subsidiary of Sony Group Corporation.Sales Systems Analyst (Contract)San Mateo, CA (Hybrid) **Please note, this is a 12-month contract position through our Staffing PartnerThe Sales Systems Analyst position at PlayStation offers a remarkable opportunity to join a dedicated team in San Mateo, CA. You will play a crucial role in managing and enhancing our primary sales applications, ensuring data accuracy and delivering valuable business insights that support decision-making across the organization. This role is ideal for someone ambitious, highly skilled, and who thrives in a collaborative environment.The perfect candidate will merge technical acumen with strong analytical and problem-solving capabilities. You will appreciate cross-functional teamwork and take a proactive stance on process improvement and system enhancement, making a substantial impact on our sales operations.

Why Join PlayStation?PlayStation is renowned not only as the Best Place to Play but also as the Best Place to Work. We are a global leader in entertainment, producing a family of products and services that includes PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and critically acclaimed software titles from PlayStation Studios.We are committed to fostering an inclusive environment that empowers our employees and embraces diversity. We invite all those who have a passion for innovation, technology, and play to explore our openings and join our expanding global team.The PlayStation brand is part of Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.Role OverviewWe are seeking a Contract Business Analyst to enhance our supply chain analytics, validate KPIs, and generate insightful reports. This role demands advanced SQL skills, proficiency in dashboard development, and a foundational understanding of data engineering principles.Your contributions will play a pivotal role in establishing scalable data foundations that inform operational and financial decision-making. You will be responsible for structured documentation in Confluence, detailing KPI definitions, data lineage, and transformation logic. The ideal candidate will execute technical analyses while adhering to rigorous documentation and data governance standards.

Skydio stands at the forefront of the drone industry as the premier US manufacturer and a global leader in autonomous flight technology, a cornerstone for the future of drones and aerial mobility. Our dynamic team merges extensive expertise in artificial intelligence with top-tier hardware and software development, operational excellence, and a relentless focus on customer satisfaction. We aim to empower a diverse range of drone users, from utility inspectors to first responders and military personnel in various scenarios.We are in search of a talented Senior Brand Designer who will play a crucial role in defining Skydio's visual presence in the world. Your mission will be to create clear, captivating, and unforgettable visual experiences that resonate across multiple touchpoints for the leader in autonomous flight.Location: San Mateo, CA (Hybrid: 3 days onsite/week)This position commences as a full-time (40 hours/week) contract role, with the potential to transition based on business requirements and mutual compatibility.About the Role:As our Senior Brand Designer, you will be instrumental in shaping and refining Skydio’s visual identity across various brand, product, and marketing platforms. You will distill complex, cutting-edge technology into visually appealing and consistent expressions that reflect our brand’s essence and values.You will collaborate extensively with a creative team, partnering closely with creative directors, marketers, and cross-functional teams to breathe life into the Skydio brand through:Web and digital experiencesBrand and product launchesCampaigns, social media, and paid advertisingEvents, environments, and experiential designsMerchandise, packaging, and physical marketing collateralInternal communications and presentationsThis role is perfect for a versatile design generalist who balances strong conceptual thinking with superior craftsmanship, adeptly navigating between big ideas and meticulous execution.

Who We AreAt Verkada, we are revolutionizing the way organizations safeguard their environments and individuals through a state-of-the-art, AI-driven platform. As a frontrunner in cloud-based physical security, we empower organizations to enhance safety and operational efficiency using a unified software suite that encompasses video surveillance, access control, air quality monitoring, alarm systems, intercoms, and visitor management solutions.Over 30,000 organizations globally, including over 100 Fortune 500 companies, rely on Verkada to serve as their physical security framework, facilitating easier management, intelligent control, and scalable implementations. Founded in 2016, Verkada has experienced rapid growth, boasting 15 offices and over 2,200 dedicated employees.About VerkadaHere at Verkada, we are redefining the concept of physical safety. Our cloud-based security solutions seamlessly integrate hardware and software to protect individuals and locations at scale. We currently offer seven product lines—video security, access control, environmental sensors, alarm systems, visitor management, mailroom management, and intercoms—each unified on a single cloud platform. Our systems are designed for simplicity, real-time insights, and quick responses. Since our inception in 2016, we have secured over $360 million in funding and expanded to over 2,600 employees across 18 global offices. We proudly support over 20,000 customers in more than 70 countries, including 43 Fortune 500 companies.About the RoleIn the capacity of an Occupancy Planner, you will play a crucial role in supporting our space planning initiatives and managing our occupancy strategy across our global office portfolio. You will work closely with teams in Real Estate, Workplace, IT, and various business stakeholders to ensure the accuracy of space data, create move scenarios, and contribute to long-term headcount and capacity planning. Additionally, you will assist in major restacks and internal relocations, tracking headcount forecasts and evaluating space performance over time.This position is a 6-month contract aimed at bolstering a dynamic, rapidly growing workplace strategy team, providing ample opportunities for meaningful contributions to space planning and associated projects.

About the RoleAt Generalist, we are at the forefront of training expansive robot foundation models, leveraging cutting-edge GPU hardware, primarily from Nvidia, to execute distributed training tasks and experimental research. Our operations demand exceptional storage solutions and optimized data loading processes, necessitating the full utilization of cloud infrastructure alongside custom-built solutions.In this role, you will take charge of our inference infrastructure. Our robotic systems rely on a dedicated fleet of on-premises GPUs designed for demanding real-time computations and latency-sensitive applications within resource-constrained environments.Your Responsibilities:Manage and optimize our GPU compute fleets.Facilitate user-friendly access to GPUs for researchers, ensuring optimal utilization.Enhance ML data loading, transport, and storage systems in extensively utilized distributed environments.Oversee the orchestration of our robot inference fleets.You May Excel in This Position If You:Have experience managing large GPU fleets for large-scale, distributed training or inference.Possess significant expertise in using Slurm or Kubernetes for ML workload orchestration.Have developed high-scale ML data loaders and preparation systems.Understand the intricacies of ML hardware, storage, and networking systems.Are familiar with the Nvidia GPU ecosystem.

Join us at Moonlake, where we leverage AI to craft immersive world simulations that push the boundaries of technology.Role OverviewEnhancing Training EfficiencyImplement advanced dataloaders, fusion techniques, activation rematerialization, and gradient checkpointing strategies.Utilize FSDP/ZeRO/tensor+pipeline parallelism and fine-tune NCCL settings for optimal performance.Boosting GPU and Kernel PerformanceConduct Nsight profiling and develop Triton/CUDA kernels along with fused operations.Implement flash-attention-style optimizations, sequence packing, and KV-cache improvements.Optimizing Inference ProcessesFacilitate low-latency serving, continuous batching, and speculative decoding techniques.Engage in quantization methods (GPTQ/AWQ), model distillation, and pruning practices.Infrastructure and Reliability EnhancementsManage SLURM/K8s multi-node jobs and ensure checkpoint hygiene.Focus on determinism, environment pinning, and effective GPU failure management.We pride ourselves on being an on-site, collaborative team located in San Mateo.

Join the innovative team at Moonlake, where we harness the power of AI to create real-time interactive content.Mission: Elevate performance metrics by enhancing throughput, reducing latency, and optimizing costs - deploying our models 2–10 times faster and at lower costs without compromising quality.Scope of Work:GPU Performance: Expertise in CUDA/Triton kernels, FlashAttention family, paged attention, and CUDA Graphs.Serving Stack: Proficiency with TensorRT-LLM/Triton Inference Server, vLLM/TGI; continuous batching; on-GPU KV reuse; speculative decoding/medusa; and mixture-of-agents routing.Parallelism: Experience with FSDP/ZeRO, TP/PP/expert parallel; NCCL tuning.Quantization/PEFT: Familiarity with AWQ/GPTQ/FP8; LoRA/DoRA serving.Systems: Knowledge of Ray/k8s/Argo, observability tools (Prom/Grafana/OpenTelemetry), autoscaling, A/B infrastructure, and canary + rollback.Tech Signals:Ideal candidates will have previous experience at infrastructure-heavy startups such as Databricks or Roblox.We are dedicated to maintaining an on-site, in-person team based in San Mateo.

Why Choose PlayStation?At PlayStation, we pride ourselves on being not only the Best Place to Play but also the Best Place to Work. Recognized as a global leader in entertainment, we produce an impressive range of products and services, including the PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and critically acclaimed software titles from PlayStation Studios.We are committed to fostering an inclusive environment that empowers our employees and celebrates diversity. We invite those who share a passion for innovation, technology, and gaming to explore our career opportunities and become part of our expanding global team.The PlayStation brand operates under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.Public Relations Strategist (Contract)San Mateo, California*This role is temporary, lasting 6 to 12 months. A hybrid schedule is in place, requiring at least one day per week on-site, with additional days as necessary. Candidates must be located within driving distance of SIE Headquarters in San Mateo, though fully remote applications will also be considered.The Public Relations Strategist will collaborate with various teams across PlayStation’s software portfolio, driving product launches and events while supporting daily departmental activities. As a vital member of the software publicity team, this individual will craft compelling narratives for gaming and consumer media, contributing to the reputation of one of the world's leading entertainment companies. An ideal candidate will possess a passion for media relations, exceptional writing skills, and a keen eye for detail. They should thrive in a collaborative environment and be enthusiastic about gaining experience within a fast-paced team setting.

Why Join PlayStation?At PlayStation, we don't just claim to be the Best Place to Play; we also strive to be the Best Place to Work. Recognized globally as a leader in entertainment, we create innovative products and services, including the PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and award-winning software titles from PlayStation Studios.We are committed to fostering an inclusive environment that empowers all employees and celebrates diversity. We encourage individuals with a passion for innovation and technology to explore our open positions and become part of our expanding global team.The PlayStation brand is a segment of Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.Software Development Engineer in Test - ContractorSan Mateo, CAAre you passionate about test automation? We are seeking motivated, proactive individuals to join our full-stack team. You will be responsible for testing new and existing features across various platforms and devices in a software development environment, ensuring the quality of automation and test frameworks.At PlayStation, we embrace collaboration and cutting-edge technology. We take pride in building systems that millions of users rely on, and we are our own first customers. Our diverse teams span four continents, and we aim to remain at the forefront of development technologies.Primary Responsibilities:Develop and execute quality assurance activities; create test plans and cases to ensure the quality of new features.Analyze product requirements and technical design documents to comprehend feature functionality on the PlayStation console and devise effective testing strategies.Construct, maintain, and enhance test automation frameworks, assisting teams in establishing automation infrastructure.

As a Knowledge Manager at Roblox, you will play a pivotal role in shaping the way knowledge is captured, organized, and shared across our organization. Your passion for knowledge management will help streamline processes and enhance collaboration among teams. You will work closely with various departments to ensure that information is readily available and efficiently utilized to foster innovation.

Join boxlunch as a Retail Store Manager, where your passion for music and pop culture will help create an unforgettable in-store experience. As a leader, you will drive the store's success by meeting sales targets, enhancing team performance, and fostering a culture of talent development. Your retail expertise will empower you to navigate challenges and deliver exceptional customer service, ensuring our customers leave with a smile. Become the superhero our team needs!

Join Salma Health as a Revenue Cycle Manager, where you will be instrumental in managing the full spectrum of revenue cycle operations across our clinics. This includes everything from verifying patient insurance details and securing prior authorizations to overseeing claims submissions, denial management, and collections. Your expertise is vital in maintaining precise billing practices, streamlining claims processes, engaging with providers, and ensuring prompt reimbursements. This role demands extensive knowledge of mental health billing, as well as proficiency with third-party insurance verification, prior authorization processes, and revenue cycle management systems.Location: Hybrid – we prefer in-office work from Monday to Wednesday at our San Mateo headquarters, with the flexibility for California-based candidates to work remotely.Key Responsibilities:Insurance Verification & Prior AuthorizationVerify patient insurance eligibility and benefits prior to service provision, ensuring coverage for mental health and specialty services (TMS, Spravato, IOP).Prepare, submit, and track prior authorization requests with payers, ensuring approvals are secured before treatment initiation.Follow up on pending and denied prior authorizations, escalating issues to payers as necessary.Maintain a comprehensive tracking system for authorization statuses, expiration dates, and renewal deadlines.Collaborate with clinical staff to collect necessary supporting documentation (clinical notes, treatment plans) for authorization submissions.Billing & Claims ManagementAccurately prepare and review CMS-1500 claim forms for submission.Ensure adherence to payer guidelines, coding requirements, and regulatory standards.Work with our technology team to automate billing processes and coding.Set up and manage third-party tools to enhance billing, claims submission, and analytics.Revenue Cycle OversightOversee all facets of the revenue cycle, including charge capture, claims submission, payment posting, denial management, and patient collections.Monitor key performance indicators (KPIs) such as days in accounts receivable (A/R), denial rates, and collections, providing regular reports to leadership.

Role Overview GGRC is seeking a Manager of Social Work for its San Mateo office. This position reports to the Director of Regional Center Services and plays a key role in managing case management operations and advocating for individuals and families. The role supports services throughout San Mateo County, with responsibilities that also extend to San Francisco and Marin counties. Location and Work Schedule This is a hybrid role based in San Mateo, California. The position requires local travel within San Mateo, San Francisco, and Marin counties, as well as occasional trips elsewhere in California. Reliable transportation is essential for day-to-day travel between locations. Compensation Starting salary range: $84,495 - $101,395 Main Responsibilities Management of Regional Center Services Set and monitor staff expectations aligned with agency policies. Guide delivery of clinical and social work services for clients and families in the region. Interpret agency policies and collaborate with peers to maintain consistency across counties. Refer policy development needs to the Director as needed. Coordinate activities between social work staff and Community Services, with a focus on resource development and quality assurance. Represent GGRC at informal hearings when required. Develop and implement internal procedures to ensure compliance with mandated services. Oversee local office POS functions to ensure accurate documentation and efficient processing of requests. Address coordination issues related to premises as necessary. Work with clients, service providers, and staff to resolve a range of issues. Policy Interpretation and Leadership Evaluate and improve processes related to service delivery. Document and refine procedures, assessing their impact on service quality. Identify areas for improvement and align processes with GGRC's core values. Lead county-level efforts to involve staff in organizational changes. Staff Management Oversee staff development and performance management.