Senior Software Engineer, Platform

Senior Software Engineer – Cloud Communications Platform Location: South San Francisco, California, USA About Zipline Are you passionate about making a difference in the world? At Zipline, we are dedicated to revolutionizing the movement of goods globally. Our mission is to tackle the world’s most pressing access challenges by developing the first instant delivery and logistics system that serves all individuals, irrespective of their location. From facilitating Rwanda’s national blood delivery network and distributing COVID-19 vaccines in Ghana to offering on-demand home delivery for major retailers and enabling healthcare providers to deliver care directly to homes in the U.S., we are reshaping logistics for businesses, governments, and consumers alike. While our technology is sophisticated, the concept is straightforward: a teleportation service that delivers what you need, when you need it. By utilizing robotics and autonomy, we are committed to decarbonizing delivery, alleviating road congestion, minimizing fossil fuel usage, and enhancing the resilience of the global supply chain. Join Zipline and contribute to creating an equitable and resilient logistics system that impacts billions of lives. About You and The Role Zipline operates a large-scale autonomous system that relies on dependable, low-latency communication between vehicles, ground infrastructure, and cloud services. Our Cloud Communications team is responsible for the platform that transfers critical data from embedded systems to the cloud, ensuring data reliability, scalability, and observability. We seek a Senior Software Engineer to enhance and fortify this platform. This role centers on connecting hardware assets to the cloud, hosting and orchestrating new data use cases, and constructing distributed observability across embedded software, cellular networks, and cloud microservices. In this position, you will collaborate closely with the Embedded and Autonomy teams that develop software to extract data from devices. Your primary responsibility will be to guarantee that data is securely ingested into the cloud, deduplicated, stored, processed, monitored, and accessible for both real-time and offline workflows. This is a high-ownership role directly influencing flight reliability, operational visibility, and the scalability of our global network. What You’ll Do Lead the evolution of services connecting vehicles, charging and loading stations, fulfillment hardware, and other field-deployed infrastructure to the cloud. Design and maintain asset-to-cloud APIs, message schemas, and communication clients in collaboration with embedded teams. Develop and manage ingestion pipelines for new data use cases.

At Fastly, we empower individuals to maintain meaningful connections with the things they cherish. Our cutting-edge edge cloud platform allows customers to deliver exceptional digital experiences with speed, security, and reliability by processing and securing applications as close to end-users as possible — right at the edge of the Internet. Our platform is engineered to harness the potential of the modern internet, enabling programmability and supporting agile software development. We proudly serve some of the world's most influential companies, including GitHub, Yelp, Paramount, and JetBlue.Join us in building a more trustworthy Internet.Posting Open Date: Reposted March 30, 2026Anticipated Posting Close Date*: April 20, 2026*This job posting may close earlier due to high applicant volume. Senior Principal Engineer, Platform EngineeringAs a member of Fastly’s Platform Engineering team, you will be instrumental in establishing the essential frameworks that enable engineers to deliver quickly, safely, and at scale. In the role of Senior Principal Engineer, you will guide the technical direction and spearhead cross-organizational initiatives aimed at enhancing our platform, developer experience, and operational excellence. Collaborating closely with fellow engineers, you will work to eliminate friction, standardize best practices, and create paved roads to expedite product delivery. This is a highly collaborative and hands-on position, representing the Platform Engineering organization and reporting directly to the Senior Director of Engineering.

At Crusoe, we are on a mission to accelerate the availability of energy and intelligence. We are building the foundational technology that empowers individuals to innovate boldly with AI while maintaining speed, scale, and sustainability.Join us in the AI revolution with sustainable technology at Crusoe, where you will lead significant innovations, make a real impact, and collaborate with a team that is pioneering responsible and transformative cloud infrastructure.About the Role:We are seeking a highly proficient engineer with extensive experience in designing and managing observability platforms at scale. You will be responsible for architecting, developing, and operating Crusoe’s next-generation observability stack, which will allow engineers to gain insights into the internal state of distributed systems through metrics, logs, and traces. Your contributions will guarantee reliability, performance, and actionable insights across Crusoe’s global infrastructure and cloud platform.Key Responsibilities:Design and manage scalable observability systems (metrics, logging, tracing) in multi-datacenter Kubernetes environments.Architect comprehensive telemetry pipelines, covering ingestion, storage, querying, and visualization.Enhance monitoring and alerting mechanisms with Prometheus, Alertmanager, Thanos/Cortex, Grafana, and OpenTelemetry.Develop scalable log collection and processing pipelines utilizing Fluent Bit, Vector, Loki, or ELK/Opensearch stacks.Implement distributed tracing platforms (Tempo, Jaeger, OpenTelemetry) and integrate with service meshes, load balancers, and APIs.Establish and promote the adoption of SLOs, SLIs, and error budgets across various services and teams.Automate the provisioning and scaling of observability infrastructure using Kubernetes, Terraform, and custom tools (Go, Python).Ensure the reliability and cost-effectiveness of telemetry pipelines while supporting high-volume workloads (AI/ML, HPC clusters, GPU infrastructure).Integrate security best practices into observability platforms, including RBAC, TLS, secret management, and multi-tenant access controls.Collaborate with engineering teams to embed observability into applications, services, and infrastructure.Mentor engineers and influence Crusoe’s observability strategy and technical roadmap.

Who Are We?Postman is the leading global API platform, utilized by over 45 million developers and 500,000 organizations, including 98% of the Fortune 500. We are dedicated to fostering an API-first world by simplifying every stage of the API lifecycle and enhancing collaboration, enabling users to build superior APIs more efficiently.Headquartered in San Francisco, Postman has offices in Boston, New York, Austin, Tokyo, London, and Bangalore—the birthplace of our company. We are a privately held organization, supported by investors like Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Discover more at postman.com or connect with us on X at @getpostman.P.S: We highly encourage you to read The "API-First World" graphic novel to gain insight into our vision at Postman.The OpportunityWe are seeking a talented Senior Backend Engineer to join our Cloud Platform team, where you will be instrumental in developing the core systems and services that drive Postman’s internal platform. You will design and implement new backend services responsible for deploying, scaling, and managing our infrastructure and product services, utilizing Java, Spring Boot, and Hibernate (JPA) alongside cloud-native technologies such as Kubernetes, ArgoCD, Istio, and Terraform.Your contributions will have a significant impact, as the systems you create will be employed across Postman engineering, enabling quicker delivery, improved scalability, and an enhanced developer experience. Additionally, you will have the chance to contribute to open-source projects, extending your influence beyond Postman’s ecosystem.What You’ll DoDesign and develop backend services in Java and Spring Boot to enhance Postman’s internal Cloud Platform.Architect new services for managing service deployment, lifecycle, and scaling across Kubernetes clusters.Implement GitOps workflows (ArgoCD) to facilitate continuous delivery.Integrate with cloud-native tools such as Istio, Helm, and Terraform.Adhere to robust software engineering practices, including testing, code reviews, CI/CD, and comprehensive documentation.Drive innovation by participating in open-source initiatives where applicable.Collaborate with Cloud Architects, DevOps engineers, and product teams to ensure alignment with business objectives.Ensure the performance, reliability, and scalability of the systems you develop.

MidiHealth is seeking a Senior Software Engineer to join the Platform Engineering team. This hybrid role is based in the SF Bay Area and centers on building and enhancing the software that drives MidiHealth’s healthcare technology platform. The work contributes directly to improving patient outcomes through technology. Key responsibilities Design and develop software solutions for the core platform Collaborate with engineering, product, and cross-functional teams to deliver integrated features Support the reliability and scalability of the platform Location This position requires regular on-site work in the SF Bay Area as part of a hybrid schedule.

Aura is seeking a talented and experienced Senior Software Engineer, Platform to join our innovative team. In this role, you will be responsible for designing and implementing scalable software solutions that enhance our platform capabilities. You will work closely with cross-functional teams to ensure the delivery of high-quality software that meets the needs of our users.

In a world where software is rapidly evolving, artificial intelligence (AI) is at the forefront, transforming how we interact with technology. At Scale AI, we recognize the immense potential of AI to enhance human capabilities, offering personalized support across various aspects of life—from coaching and tutoring to shopping and travel guidance. As enterprises, startups, and governments rush to integrate large language models (LLMs) into their operations, it is crucial to ensure these systems are safe, aligned, and effective. This involves rigorous human evaluation and reinforcement learning through human feedback (RLHF) during all stages of model development.Our innovative products, including the Generative AI Data Engine, SGP, and Donovan, are designed to empower the most advanced LLMs and generative models globally. By leveraging world-class RLHF, human data generation, model evaluation, safety, and alignment, we are shaping the future of human-AI interaction.As a member of our Platform Engineering team, you will play a pivotal role in designing and developing the foundational platforms that support Scale's operations. Your responsibilities will include architecting our core cloud infrastructure, enhancing our data lifecycle, and transforming the software development process for engineers at Scale. You will gain invaluable insights into the AI landscape as it develops within diverse sectors.

Dagster Labs develops tools that enable organizations to build scalable and efficient data platforms. The company’s core offerings include Dagster, an open-source project popular among developers, and Dagster+, a managed cloud solution. These products support thousands of teams, ranging from early-stage startups to established enterprises, in their analytics, machine learning, and AI initiatives. With the rapid growth of AI, the need for reliable, high-quality data has never been greater. Dagster Labs is dedicated to simplifying the testing, comprehension, and usability of data platforms. Many top AI companies have adopted Dagster as a foundational part of their technology stack. Team culture The team operates with strong funding and a collaborative spirit. High standards, open communication, and a focus on trust and curiosity shape the work environment. The company values a workplace free from egos and unnecessary drama. Locations This is a remote-first company with offices in San Francisco, New York, and Minneapolis.

At Ripple, we are pioneering a future where value is transferred with the same ease and speed as information. Our bold vision is already a reality, as we deliver innovative crypto solutions to financial institutions, businesses, governments, and developers. We are committed to enhancing the global financial system, fostering economic equality, and expanding opportunities for individuals worldwide. Join us to unleash your potential and make a real-world impact in your career.If you're passionate about creating meaningful change and eager to explore remarkable career growth, we invite you to join our team and help us build real value.THE ROLE:As a Senior Platform Engineer, you will play a pivotal role in enhancing Ripple's production infrastructure and optimizing our release pipelines. This position merges the expertise of systems and software engineering to support the design and lifecycle of our hosted products. You will collaborate closely with product engineers to offer mentorship, automation, and the development of innovative platform features!KEY RESPONSIBILITIES:Oversee the deployment and maintenance of Ripple's multi-region, multi-provider service platforms with a focus on security and resilience.Create automation, monitoring, and instrumentation tools to streamline operations and boost engineering productivity.Develop solutions for complex technical challenges, including PKI, secret management, geographic failover, data replication, availability, and platform resilience.Automate new and existing platform and application lifecycle services, leveraging data to minimize human intervention.Work alongside product engineering teams to ensure code is ready for production.Lead the adoption of DevOps and GitOps principles throughout the organization.

About SentryAt Sentry, we believe that poor software should no longer be the norm. Our mission is to empower developers to create high-quality software more efficiently, allowing them to reconnect with the joy of technology.With over $217 million in funding and a trusted community of more than 100,000 organizations—including industry leaders like Disney, Microsoft, and Atlassian—we are pioneering performance and error monitoring tools that enable teams to devote less time to bug fixing and more time to product development.Embracing a hybrid work culture, we prioritize collaboration by designating Mondays, Tuesdays, and Thursdays as in-office days. If you are passionate about building impactful tools that enhance the digital experience, we invite you to join us in shaping the future of software monitoring.About the RoleAs we scale for the future, a robust platform is critical to our success. The Platform organization at Sentry oversees the essential components that drive our services—from cloud infrastructure and streaming systems to storage, deployment, and security. We are responsible for the foundational services that empower every product and engineering team at Sentry to innovate swiftly and with assurance.We are on the lookout for a dedicated and forward-thinking Senior Staff Software Engineer to spearhead this evolution. In this pivotal role, you will report directly to the VP of Engineering and collaborate with various teams across the organization to influence the trajectory of Sentry’s platform.Your ResponsibilitiesDesign and architect the future of Sentry by converting business objectives and product strategies into clear, scalable technical blueprints.Collaborate with product and engineering leaders to align technical roadmaps with the company’s strategic goals.Lead cross-functional initiatives within the Platform organization—taking ownership from inception to delivery and driving impactful results.Foster engineering excellence by mentoring platform engineers, disseminating best practices, and establishing high standards for system design, scalability, and operational quality.Evaluate significant architectural proposals to ensure consistency, maintainability, and long-term technical health across the organization.What Makes This Role ExcitingYou enjoy designing and creating platforms that empower teams to operate more swiftly and securely.You thrive on tackling complex, multi-layered challenges across product, infrastructure, and organizational structures.You have a passion for engineering that fosters collaboration and innovation.

Join Sofi as a Senior Software Engineer specializing in Cloud Efficiency, where you will play a crucial role in enhancing the performance and scalability of our cloud-based applications. You will collaborate with cross-functional teams to design and implement innovative solutions that drive operational excellence and customer satisfaction.Your expertise in cloud technologies and software development will be instrumental in optimizing our infrastructure, ensuring reliability, and supporting the growth of our dynamic platform.

Join our innovative team at Discord as a Senior Software Engineer focused on our Financial Platform. In this pivotal role, you will design, develop, and enhance our financial systems, ensuring they are robust, scalable, and efficient. You will work closely with cross-functional teams to implement cutting-edge solutions that empower our users to manage their financial interactions seamlessly.

Join our team as a Senior Software Engineer focused on our Data Platform at Gusto. In this role, you will leverage your expertise in designing and building scalable data systems that drive business decisions and enhance our platform's capabilities. Your contributions will directly impact our ability to deliver exceptional services to our customers.You will collaborate with cross-functional teams, ensuring that our data architecture is robust, efficient, and aligned with our business goals. If you are passionate about data engineering and are looking for a place to innovate and grow, we want to hear from you!

Role Overview Ambience Healthcare is looking for a Senior Software Engineer, Platform, based in San Francisco. This position focuses on building and improving the core platform that supports our products. The work shapes both patient care and the company’s operational standards. What You Will Do Design, build, and refine platform features to support company goals Work closely with teams across engineering, product, and other functions Contribute to architectural planning and technical decision-making Deliver reliable, maintainable software that meets high quality standards Impact The software developed in this role supports clinicians and staff, helping to improve patient outcomes and streamline healthcare operations.

About Ditto Ditto builds technology that keeps data moving reliably at the edge, even when networks are unreliable or disconnected. Developers use Ditto’s peer-to-peer synchronization engine to power real-time applications in places like stadiums, airplanes, and remote military bases. The platform ensures continuous connectivity and data integrity without needing an internet connection. With over $145 million in funding, Ditto supports organizations such as Chick-fil-A, Delta Airlines, and the U.S. military. The company’s software is used in aviation, retail, travel, hospitality, and defense for mission-critical operations. Ditto is a growing startup that values diversity and inclusion, bringing together many perspectives to solve tough connectivity challenges. Role Overview: Senior Software Engineer, Platform FDE This Senior Forward Deployed Engineer (FDE) position sits at the intersection of engineering and customer success. FDEs work directly with key users, helping them integrate Ditto’s software into their operational environments and accelerating the time-to-value for their teams. In this role, expect to observe how Ditto’s technology performs in the field, relay technical feedback and feature needs to the core product team, and address complex problems as they arise. The work often involves ambiguity and high-pressure situations, so adaptability and creative problem-solving are essential. Key Responsibilities Implement the Core Aggregation Node: Lead the architecture, deployment, and configuration of Ditto’s central data hub within SOCOM’s secure, distributed cloud infrastructure. Architect and Manage GovCloud Infrastructure: Set up, secure, and maintain production workloads on AWS GovCloud at high impact levels, meeting strict security and accreditation requirements. Deploy and Maintain Container Orchestration: Manage the lifecycle of Kubernetes clusters (including RKE2/K3s) in both cloud and on-premise settings. Responsibilities include upgrades, scaling, monitoring, and incident response. Engineer Secure Cross-Domain Data Flows: Design and troubleshoot data synchronization pipelines that use Cross Domain Solutions (CDS) and data diodes, ensuring secure, policy-compliant, unidirectional data transfer between classification levels.

Airbyte stands at the forefront of open-source data movement, enabling data teams to seamlessly transfer information from diverse applications, APIs, unstructured sources, and databases to data warehouses, lakes, and AI applications. With tens of thousands of connectors and a widespread adoption across hundreds of thousands of companies, we have demonstrated the viability of large-scale data integration. Our ongoing mission is to construct an advanced agentic data infrastructure, meticulously designed for AI agents requiring swift and accurate access to data across numerous sources. We aim to make data universally accessible and actionable.Having secured $181M from leading investors such as Benchmark, Accel, Altimeter, Coatue, and Y Combinator, we are committed to a product-led growth strategy where we create exceptional solutions that resonate with our users. This funding empowers us to explore innovative avenues while maintaining a nimble and experimental approach in an AI-driven landscape.The Role:As a critical member of the Data Replication team, you will serve as an infrastructure and reliability engineer within a full-stack product team that executes over 3 million sync jobs weekly, facilitating thousands of data use cases across various regions and cloud environments. You will be responsible for building and maintaining the infrastructure, establishing reliability standards, reducing incidents, and streamlining the shipping process for engineers through enhanced tooling. You should feel equally at home working with Terraform files, Kubernetes clusters, and postmortem documentation.We encourage our engineers to actively leverage AI as a force multiplier—utilizing agentic tools to automate repetitive tasks, enhance incident response, and develop smarter internal tooling. If you haven't yet embraced this approach, we hope you're eager to start. We value how you work just as much as what you produce. Trust, transparency, and craftsmanship are paramount here.What You’ll Do:Take ownership of the infrastructure that supports the Data Replication platform, including Kubernetes clusters, CI/CD pipelines, secrets management, networking, and cloud resource configuration across AWS and GCP.Collaborate with product engineers to ensure reliable integration of product features with infrastructure.Enhance observability, alerting, and anomaly detection systems with a focus on LLM automation.Develop and improve AI-augmented release and internal tooling, including canary deployments, progressive rollouts, automated release qualification, and rollback automation—all with a focus on LLM automation.Establish high standards for infrastructure within the team by creating self-serve tools, writing runbooks, and mentoring engineers.

About the RoleAt Descript, we are revolutionizing the way audio and video content is created and edited, ensuring that the process is swift, user-friendly, and accessible to everyone. Our innovative media editor leverages real-time collaboration, exceptional user experience, and advanced AI technology. This is the future of media!The Builder Experience (BIX) team is a pivotal part of Descript's platform, laying the groundwork for every product engineer. We manage the design system, essential UI frameworks, client performance, state management patterns, continuous integration, as well as the libraries and tools that maintain our codebase's health and enhance engineer productivity. If it involves the client shell, rendering pipeline, or cross-cutting frontend infrastructure, it's within our domain.We are seeking a passionate engineer, proficient in modern React, who thrives in frontend platform development and is motivated by the goal of enhancing the efficiency of our entire engineering organization. You will engage in hands-on systems work—such as performance tuning, dependency management, and the evolution of our design system—while also adopting a coaching and enablement approach to assist product teams in implementing improvements and elevating their skills.

Join Discord, a platform cherished by over 200 million users monthly, where gaming is at the heart of our community. With more than 90% of our users engaging in games, they collectively spend 1.5 billion hours enjoying thousands of unique titles on Discord every month. Our commitment is to enhance the gaming experience by facilitating enjoyable interactions before, during, and after gameplay.At Discord, we empower individuals to connect within diverse communities, and our users trust us to safeguard their conversations. Our Platform Security Engineering team is dedicated to fortifying the systems that underpin Discord, ensuring that the "secure way" becomes the "easy way." We are seeking a Staff Software Engineer to drive this mission forward through your security expertise, software development skills, and operational excellence. In this technical leadership role, you will identify and pursue impactful opportunities to mitigate security risks across our Engineering teams. You will design and implement user-friendly "paved paths" for managing identities, deploying code, configuring cloud infrastructure, and operating services effectively.If you are a security engineer with a profound curiosity, keen on tackling technically and socially complex projects, and motivated to enhance security and privacy at Discord, we encourage you to explore this opportunity further!

About Us:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity. Join our dynamic team as we craft a universe filled with stories and knowledge, democratizing the flow of ideas and information while empowering collective expertise through our innovative products: Everand, Scribd, Slideshare, and Fable.This job posting announces an open and approved position within our organization.We foster a culture where our employees are encouraged to be authentic and bold; where we engage in constructive debate and commit to decisions as we navigate the twists and turns of our journey together. Every team member is empowered to take initiative, placing customer needs at the forefront of our priorities.We believe in a workplace that balances individual flexibility with community connectivity. Through our flexible work benefit, Scribd Flex, employees can collaborate with their managers to determine the work style that best meets their personal needs. A fundamental aspect of Scribd Flex is our commitment to intentional in-person moments that enhance collaboration, culture, and connection. Therefore, occasional in-person attendance is required for all Scribd Inc. employees, regardless of their location.What do we seek in our new team members? We hire for “GRIT,” which embodies the intersection of passion and perseverance towards long-term objectives. At Scribd Inc., we are inspired by the potential this approach unlocks and encourage each employee to adopt a GRIT-ty mindset in their work. In practical terms, GRIT stands for the ability to set and achieve Goals, deliver Results within their role, contribute Innovative ideas and solutions, and positively impact the broader Team through collaboration and attitude.About the Web Platform TeamOur Web Platform team is responsible for developing the shared foundations that empower Scribd’s product teams to deliver exceptional web experiences efficiently. We concentrate on creating scalable frontend architecture, shared libraries and tools, and robust patterns that enhance velocity, reliability, and maintainability across our web ecosystem.A significant focus for our team is Web Modernization: transitioning legacy SPAs to a Next.js-powered Microfrontend architecture, facilitating quicker iterations, safer scaling, and long-term confidence in Scribd’s web product evolution.