Senior Software Engineer - Merchant Platform

Founded in 2007, Airbnb has transformed travel by connecting hosts and guests in over 190 countries. With a community of more than 5 million hosts, we facilitate unique stays and experiences, enabling guests to immerse themselves in local cultures.Join Our Trust-Focused Community:At Airbnb, trust is our top priority, and our dedicated team works tirelessly to ensure a safe and secure platform. As part of the Trust team, you will play a crucial role in safeguarding our community from fraud and ensuring the quality of our hosts, guests, and listings. This involves combating both online threats like account compromise and offline risks such as property damage and personal safety. Your work will help us build and maintain trust within our vibrant community.Make a Significant Impact:In your role within the Trust Engineering team, you will design and implement large-scale systems aimed at detecting and mitigating fraudulent activities across our platform. Collaborating closely with product, data science, and operations teams, you will develop real-time risk detection services that adapt to evolving threats, helping to make Airbnb the safest and most trusted platform in the industry.Your Daily Responsibilities:Design and operate resilient, scalable distributed systems.Enhance platform capabilities to counteract the evolving fraud landscape, collaborating with various engineering teams.Contribute vital insights to the Trust Platform's roadmap and strategic initiatives.

Join Quizlet as a Senior Software Engineer specializing in Trust & Safety, where you will play a crucial role in enhancing the security and integrity of our platform. You will collaborate with cross-functional teams to develop robust software solutions that protect our community and ensure a safe learning environment.

At Ripple, we are pioneering a future where value is transferred with the same ease as information. Our bold vision is already in motion as we provide innovative cryptocurrency solutions to financial institutions, businesses, governments, and developers. By enhancing the global financial ecosystem, we aim to create economic equity and opportunities for countless individuals worldwide. Join us in doing remarkable work, advancing your career, and collaborating with a supportive team.If you're eager to witness the impact of your work and unlock incredible career advancement, come aboard and help us create tangible value.THE WORK:At Ripple, the Identity and Trust Platform is envisioned as the cornerstone of our "One Ripple" initiative. This platform aims to address identity-related challenges across all products and acquisitions by establishing a unified system of record for customers and their identities. It will separate operational identity from outdated systems, harmonize compliance and verification contexts (such as shared Know Your Business readiness), and create a common entitlements layer for consistent product access.We seek Staff Engineers who are driven by a passion for tackling complex, foundational issues, eager to create significant impacts by addressing identity and trust obstacles in a global financial network, and motivated to design a scalable platform that will enhance the unified customer experience for all of Ripple's current and future offerings.The Identity and Trust Platform is essential for fostering customer trust and establishing a singular system of record. As the technical leader of a small yet impactful team, your responsibilities will include:Building the Foundation for 'One Ripple': Establishing the Identity Platform as the singular system of record, decoupling operational identity from outdated systems to facilitate a unified experience across all Ripple products (Payments, Custody, Stablecoins, Ripple Prime, and others).Driving Strategic Decoupling: Taking ownership of the crucial migration of core identity logic from legacy systems, eliminating years of technical debt and paving the way for their retirement.Defining the Future of Trust: Designing and implementing the shared entitlements layer and unified compliance context (e.g., shared KYB readiness) to ensure consistent and secure access to products for all customers.Scaling and Mentoring: Acting as a technical anchor, setting architectural direction, promoting engineering excellence, and mentoring engineers to cultivate a high-performing foundational platform team.

Airbnb started in 2007 when two hosts welcomed three guests into their San Francisco home. Since then, the platform has grown to over 5 million hosts and more than 2 billion guests worldwide. Hosts offer unique stays and experiences that connect travelers with local communities. Trust Engineering at Airbnb Trust sits at the heart of Airbnb’s platform. The Trust Engineering team builds technology to keep the community safe and uphold high standards for hosts, guests, homes, and experiences. Their work addresses both online risks, such as account compromise, fake listings, and financial loss, and offline concerns like theft, property damage, and personal safety. The team’s responsibilities include user onboarding, screening, identity, and reputation systems. Trust Engineering leads the technical vision for these systems and integrates them throughout Airbnb’s platform. Role overview The Senior Staff Software Engineer, Trust, is a senior individual contributor role. This engineer partners with technical leaders across Airbnb to shape, plan, and deliver a broad roadmap of Trust engineering projects. The position involves extensive collaboration with teams throughout the company. While highly senior, this is still a hands-on engineering role, every Airbnb software engineer, regardless of level, contributes code and development work. What you will do Define and drive the long-term vision and strategy for the Trust Platform, setting architectural direction for core systems that support scalable, high-quality fraud detection, safety, and trust decisions across Airbnb. Work deeply within Trust Platform components, developing system and performance tools, and identifying ways to improve technical quality, operational excellence, and developer experience. Promote an AI-first engineering approach, using LLM-powered agents to generate and refine code, so you can focus on problem-solving, system design, and quality oversight. Location This position is remote and based in the United States.

Airbnb, Inc. has grown from a small home-sharing idea in San Francisco to a platform connecting over 5 million hosts with more than 2 billion guests worldwide. The company’s mission centers on helping people find a place to belong, while supporting authentic connections between guests and local communities. Role overview The Trust Emerging Defense team focuses on building new products and protections to address evolving risks. This group works to ensure peace of mind for everyone using Airbnb, from guests to hosts, by strengthening the platform’s safety and privacy features. As a Software Engineer, Trust, the work directly impacts the security of global communications across phone, VoIP, SMS, in-app chat, and video conferencing. This position plays a key role in preventing fraud and safeguarding the Airbnb community. What you will do Design and develop products that protect user safety and privacy. Work with engineers, data scientists, product managers, and operations to identify opportunities and clarify requirements for fraud detection and prevention. Build, deploy, and operate machine learning models and pipelines at scale, including both batch and real-time applications. Improve risk investigation tools to support decisions that help prevent safety or property damage incidents. Collaboration and impact This role involves leading a team of engineers and collaborating across departments to launch core company initiatives. The work helps shape a secure, trustworthy communication platform for Airbnb’s global community.

Embrace the Future of Commerce with Whatnot!At Whatnot, we are proud to be the premier live shopping platform across North America and Europe, where you can buy, sell, and discover the items you cherish. We are transforming e-commerce by integrating community, shopping, and entertainment into a unique experience tailored just for you. Operating as a remote co-located team, we thrive on innovation while being guided by our core values. With a presence in the US, UK, Germany, Ireland, and Poland, we are collectively shaping the future of online marketplaces.Our live auctions span a diverse range of products, from fashion and beauty to electronics, and collectibles like trading cards, comic books, and even live plants—ensuring there’s something for everyone.And this is just the beginning! As one of the fastest-growing marketplaces, we are on the lookout for innovative and forward-thinking problem solvers across all sectors. Check out the latest updates from Whatnot on our news and engineering blogs and join us in empowering individuals to turn their passions into thriving businesses while fostering connections through commerce. Your RoleAs a Software Engineer within the Trust and Risk, Fraud, and Integrity teams, you will play a pivotal role in developing systems designed to establish clear expectations, promote appropriate behavior, and resolve issues effectively. By merging proactive detection with transparent enforcement, you will help maintain Whatnot as a safe and reliable platform for both buyers and sellers.Key Responsibilities Include:Policy Enforcement and Dispute Resolution: Creating systems that clearly communicate behavioral expectations, identify and address policy breaches, and resolve conflicts efficiently.Reusable, High-Performance Platforms: Designing and maintaining scalable infrastructure that supports internal operations, both automated and manual actioning systems, and advanced detection capabilities.Intelligent Detection and Prevention: Utilizing machine learning, behavioral analysis, and real-time interventions to counteract evolving abuse patterns and safeguard both buyers and sellers.Continuous Improvement: Implementing feedback loops and monitoring systems as managed assets for ongoing quality assurance and enhancement of algorithms, methodologies, and operational processes.

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.

Join our innovative team at Unify as a Senior Software Engineer, Platform, where you will play a crucial role in enhancing our platform capabilities. You will collaborate with cross-functional teams to design, develop, and implement high-quality software solutions that meet our clients' needs.

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.

About Our TeamAt OpenAI, we believe that security is the cornerstone of our mission to ensure artificial general intelligence serves the greater good of humanity.Our dedicated Security team is responsible for safeguarding OpenAI’s technology, personnel, and products. We take a technical approach in our creations while maintaining operational excellence in our processes. Our core principles include prioritizing impactful work, empowering our researchers, preparing for revolutionary technological advancements, and fostering a strong culture of security.About the PositionTrusted Computing and Cryptography is a specialized engineering and security unit within OpenAI’s Security organization. Our focus areas include:Implementing high-performance cryptographic solutions at scaleManaging keys securely, including offline physical backups and multi-party computation strategiesUtilizing trusted hardware enclaves for functionalities ranging from boot measurements to GPU confidential computationWe are on the lookout for a talented software engineer to join our team and enhance the security of our vital computing infrastructure, concentrating on trusted computing and cryptography at scale.This role offers the flexibility of working remotely from anywhere in the US, with occasional travel to our San Francisco headquarters or other locations as necessary. We embrace a hybrid work model that encourages three days in the office weekly and provide relocation assistance for new hires.Your Responsibilities:Develop high-quality, performance-critical applications in Rust and Python.Collaborate with researchers, engineers, and security experts to seamlessly integrate and scale advanced cryptographic methodologies in our production and research systems.Create foundational libraries that underpin cryptographic operations and integrate security best practices into our infrastructure.Design, implement, and maintain secure key management systems for our production environments.Architect and deploy systems that instill trust in our infrastructure, utilizing security technologies such as TPM2, Secure Boot, Nitro Enclaves, confidential computing solutions, Intel SGX, and AMD-SEV.Research, design, and implement operating system-level security measures, including remote attestation and runtime TPM measurements.

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.

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.

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.

About the RoleHinge Health is a leading digital health company dedicated to delivering innovative, evidence-based solutions for musculoskeletal (MSK) pain management. Our unique approach combines personalized exercise therapy with virtual care, empowering individuals to effectively manage chronic pain and enhance their quality of life, all while reducing healthcare costs. By partnering with employers and health plans, we aim to scale our solutions and improve overall employee health and productivity.Join our dynamic AI platform team at Hinge Health, where we are at the forefront of revolutionizing how businesses harness the power of Artificial Intelligence. We are searching for a Senior Software Engineer with a robust background in software engineering and a passion for AI to contribute to our mission.As a Senior Software Engineer, you will play a crucial role in developing and maintaining vital components of our AI infrastructure. You will collaborate closely with engineers and data scientists to ensure the platform effectively supports the intricate needs of AI models and machine learning workflows.Our team thrives in a continuous deployment DevOps culture, taking pride in maintaining high standards of code in production. Our production systems leverage technologies such as React Native, React, Node.js, TypeScript, Python, Nestjs, GraphQL, Docker, AWS, Postgres, Redis, Apollo, and Redux. We follow a trunk-based CI/CD workflow and uphold the highest security and compliance standards, including HIPAA, HITRUST, SOC 2, and CCPA.What You'll AccomplishCollaborate with the AI/ML team to effectively integrate models and agents into the platform, ensuring seamless deployment.Write clean, maintainable code with a focus on performance, reliability, and scalability.Develop and sustain APIs and microservices that facilitate AI model and agent deployment and data processing.Troubleshoot and resolve platform performance, integration, and reliability issues.Work alongside cross-functional teams to gather technical requirements and deliver efficient solutions.Contribute to ongoing improvements in the AI platform’s systems and workflows, providing ideas and feedback during architectural discussions.Hinge Health Hybrid ModelWe recognize that both remote and in-person work offer unique benefits, and we aim to capitalize on the strengths of both approaches. Employees in hybrid roles enjoy the flexibility of working from home while also engaging in person as needed.