Software Engineering Manager (Data) at Siftstack | San Francisco

CHAOS Industries is pioneering the future of defense technology by creating distributed sensor networks that swiftly detect threats to warfighters, borders, and critical infrastructure. Our innovative Coherent Distributed Networks (CDN™) technology integrates data from radars, electro-optical/infrared (EO/IR) sensors, and electronic warfare systems into a cohesive sensing platform that operates seamlessly across land, sea, and air.Role OverviewWe are seeking a talented Software Engineer to develop and enhance the data systems that enable this critical technology. In this role, you will design data pipelines that transport sensor data from remote edges to decision-makers in real time, integrate diverse data feeds, and build the data infrastructure that powers our flagship product, Vanquish™. Your work will have a direct impact on accelerating threat detection and improving outcomes for defenders in the field. You will collaborate with hardware engineers, systems engineers, and operators to identify essential data and ensure it reaches its destination efficiently. As we expand, you will play a crucial role in shaping the architecture of the CHAOS Operating System—a unified data backbone connecting engineering, operations, and manufacturing.

CHAOS Industries is at the forefront of modern defense technology, leveraging a versatile product portfolio designed to ensure domain dominance. Our innovative solutions, powered by Coherent Distributed Networks (CDN™), enable warfighters, commercial aviation operators, and border protection teams to respond swiftly, adapt with agility, and remain one step ahead of dynamic threats.Founded in 2022, CHAOS Industries has successfully secured $1 billion in funding from prominent investors such as 8VC, Accel, and Valor Equity Partners. Headquartered in Los Angeles, we have additional offices located in Washington, D.C., San Francisco, San Diego, and London. To learn more about our groundbreaking work, visit www.chaosinc.com.Role Overview:The Field Engineering Team is in search of a skilled engineer to join our ranks in the development and delivery of state-of-the-art RF systems. With a profound understanding of our engineering capabilities, technology, and the missions of our clients, you will play a pivotal role in the development and implementation of our products alongside our customers. This position presents an exhilarating opportunity to influence the design, development, and deployment of cutting-edge RF capabilities aimed at enhancing systems, sensors, and platforms for national security use cases, including UAS (Unmanned Aerial Systems) surveillance and integrated air and missile defense systems. A strong aptitude for solving complex technical challenges and contributing to rapid prototyping initiatives is essential.

CHAOS Inc. is a dynamic global technology firm dedicated to providing cutting-edge solutions to the defense and critical industrial sectors. Established in 2022 by a team of experienced leaders, CHAOS has rapidly emerged as a hub for elite multidisciplinary engineers focused on developing mission-critical technologies. Our culture revolves around a mission-driven approach, committed to tackling the most challenging technical obstacles. With our unique agile engineering methodology, we facilitate swift prototyping and foster deep partnerships within the defense and industrial sectors to deliver real-world solutions.Role OverviewWe are looking for a talented and enthusiastic Software Engineer to join our product engineering team. This collaborative role offers the opportunity to take on various responsibilities while working closely with our product line. As a vital member of our engineering team, you will have the chance to broaden your skillset across diverse product areas.A significant aspect of this role involves utilizing Palantir Foundry as CHAOS's internal data operating platform—developing, maintaining, and optimizing comprehensive workflows and pipelines that manage sensor, operational, and enterprise data throughout the organization. You will collaborate with cross-functional teams to ensure our data infrastructure and workflows are reliable, scalable, and directly contribute to mission outcomes. This position will play a crucial role in delivering the CHAOS Operating System in Foundry—a unified data backbone that integrates engineering, operations, and manufacturing.

CHAOS Industries is at the forefront of transforming modern defense through innovative systems specifically designed for the challenges of today's world. Founded by seasoned U.S. military veterans and Silicon Valley pioneers, our groundbreaking products leverage Coherent Distributed Networks (CDN™) to empower warfighters, commercial aviation operators, and border security teams to respond swiftly, adapt to changing scenarios, and stay ahead of emerging threats. In an era where technological threats evolve rapidly, CHAOS Industries provides advanced sensing and detection solutions that offer a critical advantage: time. Established in 2022, CHAOS Industries has successfully secured $1 billion in funding from top-tier investors such as 8VC, Accel, and NEA. Our headquarters are based in Los Angeles, with additional offices located in Washington, D.C., San Francisco, Seattle, and London. To learn more about our mission and values, please visit www.chaosinc.com. The RoleWe are seeking a talented software engineer to develop the backend systems that drive our sensor infrastructure, which includes services that ingest, process, and deliver data from radar, RF, and other sensing modalities at scale. You will have the opportunity to design and manage cloud-native systems on Azure, collaborating with systems, hardware, and software engineers within a small, autonomous team. This role is pivotal in its early stages, allowing you to make significant architectural decisions, deliver production-ready code, and see your contributions directly impact the safety of individuals. What You’ll Do- Design and build scalable backend services using Python to process and serve sensor data on Azure.- Architect cloud infrastructure to support high-throughput, low-latency data pipelines.- Develop and maintain CI/CD pipelines, testing infrastructure, and release processes.- Collaborate closely with hardware and systems engineering teams to seamlessly integrate software with physical sensor systems.- Make foundational software architecture decisions as a key team member.- Mentor and guide engineers as the team expands.- Travel occasionally to other offices (LA, DC) and customer sites.

Mach Industries, founded in 2022, develops autonomous defense platforms for the United States and allied nations. The company employs around 220 people and combines a startup’s pace with a mission to deliver scalable, decentralized defense systems. The team focuses on strengthening strategic capabilities and supporting national security through advanced manufacturing and rapid technical progress. Innovation and reliability guide every system built to deter conflict and improve global security. Role overview Software Engineers at Mach Industries shape the core technology behind autonomous defense systems. The work covers the full software stack, from low-level firmware to high-level mission software. This position centers on designing, building, and optimizing mission-critical applications where real-time performance, reliability, and security are essential. Technical depth, adaptability, and a strong sense of ownership are important in this role. What you will do Develop, test, and maintain software for autonomous defense platforms, focusing on performance, reliability, and security. Design and implement efficient, well-tested code in C++, Rust, Python, or C for real-time systems. Architect end-to-end software solutions, spanning firmware to mission-level applications. Collaborate with embedded engineers, GNC (Guidance, Navigation, and Control) experts, and systems engineers to ensure smooth hardware-software integration. Optimize software for real-time execution and low-latency operation on embedded and edge computing platforms. Apply secure coding practices to protect software from cyber threats and meet defense cybersecurity standards. Use DevOps tools, CI/CD pipelines, and automated testing to streamline development and deployment. Troubleshoot, debug, and refine complex software systems to meet high reliability standards. Location This position is based in San Francisco.

At Sift, we are revolutionizing the way sophisticated machines are constructed, tested, and managed. Our innovative platform provides engineers with instantaneous visibility over high-frequency telemetry, effectively removing bottlenecks and fostering swifter, more dependable development.Originating from our extensive experience at SpaceX on projects such as Dragon, Falcon, Starlink, and Starship, Sift was created to address the challenges of scaling telemetry, debugging flight systems, and ensuring mission reliability, which necessitated the development of groundbreaking infrastructure. Established by a talented team from SpaceX, Google, and Palantir, Sift is tailored for mission-critical systems where accuracy and scalability are imperative.As a key early engineer concentrating on our data infrastructure, your role will extend beyond mere coding—you will shape foundational architecture and assist in scaling a real-time telemetry platform from its inception. You will engage with intricate backend systems designed to process, store, and deliver millions of high-frequency data points each second, facilitating rapid iteration cycles for some of the world's leading engineering teams.

Join Whatnot as a Software Engineer specializing in Data. In this pivotal role, you will harness your technical expertise to develop innovative solutions that enhance our data capabilities. Collaborate with cross-functional teams to design, implement, and optimize data-driven applications that will support our growing user base.The ideal candidate will have a passion for technology and a drive to improve processes through data insights. This is a unique opportunity to shape the future of our platform and make a significant impact on our business.

About RoxAt Rox, we are dedicated to empowering individuals to excel in their work.Our innovative platform enhances seller performance with autonomous revenue agents that handle manual tasks, allowing sales professionals to concentrate on their primary role: selling. Just as coding agents exponentially increased engineering productivity, our revenue agents elevate customer engagement.We are revolutionizing the revenue landscape by developing the world’s first revenue operating system, integrating everything from the application layer to the system of context. At Rox, we envision a future where humans become orchestrators, while our agents efficiently manage the complete customer lifecycle.Rox serves Global 2000 leaders across sectors such as banking, hardware, construction, and sovereign AI, while also supporting prominent AI innovators like Ramp and Cognition.This success is built on a steadfast belief in our mission and an unwavering commitment to achieving it.Join Our TeamOur world-class team is the cornerstone of our success, tasked with redefining business operations.Team members have:Founded and exited successful startupsHeld top positions at Google, AWS, Confluent, and New RelicAchieved gold medals in IMO and IOIPublished groundbreaking research papersWe are proud to be backed by top-tier investors, having raised $50M from Sequoia (Alfred Lin), General Catalyst (Hemant Taneja), Google Ventures, Elad Gil, and Chris Ré.Core PrinciplesTaste: Craft exceptional experiences.Every detail matters; we ensure that each interaction is optimized for the seller’s success and satisfaction. We strive for perfection and continuously seek ways to delight our users.Obsession: Commit without reservation.We are dedicated to our craft, proactively addressing customer needs and constantly improving our skills and products.Action: Deliver results.Execution is key; we prioritize thoughtful, rapid decision-making and immediate delivery, fostering a culture of trust.

At Ripple, we’re transforming the way value is transferred globally, making it as seamless and instantaneous as information sharing. Our innovative crypto solutions empower financial institutions, businesses, governments, and developers to enhance the global financial landscape. By joining our talented team, you’ll not only take part in this significant change but also cultivate your career in a supportive environment where collaboration is key.If you’re eager to make a tangible impact and explore remarkable career advancement opportunities, we invite you to join us in creating real-world value.The Role:As a Software Engineer II, you will be a pivotal member of Ripple’s Data Engineering team. Your responsibilities will include the implementation of data ingestion and transformation processes that enable analytics, machine learning, and various business functions. You’ll have a keen eye for identifying system bottlenecks and will constantly seek improvements to enhance cost and performance efficiency. Your hands-on approach will drive crucial technical decisions, ensuring that quality outcomes are achieved while maximizing customer value. Collaboration across various functions—including data science, product management, application engineering, compliance, and finance—will be key to your success in this role.

Fullstack Software EngineerLocation: San Francisco (Hybrid - In-person 2-3 days per week)Compensation: $140,000 – $190,000 + Meaningful EquityAbout HomeVisionHomeVision is at the forefront of revolutionizing the $13 trillion mortgage industry with our cutting-edge AI-driven software. Our platform, MIRA, streamlines the manual review process of mortgage documents, allowing lenders to expedite loan closures with greater ease, ultimately benefiting borrowers by saving them time, money, and reducing stress. We have successfully transformed appraisal operations for leading lenders across the country, achieving a reduction in review times by over 75%. Our ambitious goal is to expand MIRA's capabilities to cover the entire loan file, automating income, asset, and credit analysis, to create a comprehensive underwriting solution for the industry.At HomeVision, we seek out intelligent, inquisitive, and thoughtful individuals who relish tackling complex challenges and embracing significant responsibilities. Our engineers manage substantial projects from inception to launch, working closely with product, design, and go-to-market teams. We prioritize humility, ownership, transparent communication, and mutual respect. Our ethos revolves around fostering a collaborative environment where we always strive to “do the loving thing” in our interactions with one another and our clients and partners.About the RoleWe are on the lookout for a Fullstack Engineer to integrate into our core product team in San Francisco. In this role, you will collaborate directly with our founders, designers, and machine learning engineers to construct the interfaces and infrastructure that drive MIRA. This is not a role focused on maintaining legacy code; instead, you will be responsible for architecting new features that facilitate understanding and action on complex AI-driven decisions by real users.What You Will DoShip Product End-to-End: Take ownership of features from database schema to user interface components. You'll create the interfaces that underwriters utilize to engage with our AI, rendering complex data intuitive and actionable.Architect for Scale: Design and implement robust solutions using Go and PostgreSQL to manage intricate loan file data, ensuring high availability and minimal latency as we scale to millions of documents.Bridge the AI Gap: Collaborate closely with our ML team to integrate AI services into our core SaaS platform, ensuring seamless transitions between our decisioning models and the user application.Elevate Engineering Culture: Foster continuous improvement by advocating for code reviews, crafting clean design documentation, and enhancing observability (metrics/logging) to maintain high velocity and stability in our production environment.

Join middesk as a Software Engineer specializing in our Data Platform, where you will play a pivotal role in building robust systems that empower our data-driven initiatives. You will collaborate with cross-functional teams to design, implement, and optimize data solutions that enhance our products and services.

Join Condor Software as a Full-Stack Platform EngineerAt Condor, we are revolutionizing the financial infrastructure that supports clinical development. With billions invested annually in discovering and developing new therapies, we strive to connect clinical operations and finance into a cohesive system. By integrating real-time financial intelligence, we empower R&D and finance leaders with the tools they need to make informed, high-stakes decisions.We are an AI-driven, pharma-native infrastructure provider, scaling industry standards in collaboration with top-tier partners. Our platform facilitates prediction, control, and execution in the most complex R&D environments worldwide.The Importance of Your RoleHaving established ourselves as a trusted partner for enterprise teams, we are now focused on the challenging task of scaling our platform to meet increasing demands. As a rapidly growing company, backed by prominent investors like Felicis and 645 Ventures, this is a unique opportunity to contribute to the foundational infrastructure that will redefine how therapies reach patients.Your ResponsibilitiesAs a Full-Stack Platform Engineer, you will be pivotal in building and scaling the core platform that supports the financial intelligence infrastructure relied upon by leading biopharma companies. This role encompasses critical engineering tasks at the intersection of backend systems, cloud infrastructure, and intelligent automation, with a strong emphasis on reliability and scalability.Your primary focus will be on backend architecture, where you'll design and implement services that drive complex financial and operational workflows. You'll be instrumental in shaping data flow, workflow orchestration, and enabling emerging AI-driven capabilities. This role goes beyond simple integration; you'll be crafting robust primitives that support other teams as our product and customer base expand.Working as a core member of a cross-functional product team, you will closely collaborate with product managers, designers, quality engineers, and data specialists to transition features from concept to production. While backend expertise is crucial, you will also engage across the stack to ensure the platform's capabilities are effectively leveraged.

About AbridgeFounded in 2018, Abridge is dedicated to enhancing understanding in healthcare. Our innovative AI-driven platform is designed specifically for medical conversations, streamlining clinical documentation and allowing healthcare professionals to concentrate on what truly matters—their patients.Our enterprise-grade technology converts patient-clinician discussions into structured clinical notes in real-time, with robust EMR integrations. Leveraging our unique Linked Evidence and auditable AI, we provide the only solution that aligns AI-generated summaries with factual data, enabling providers to trust and verify outputs efficiently. As trailblazers in generative AI for healthcare, we are establishing industry benchmarks for the ethical integration of AI across health systems.We are a dynamic team of practicing MDs, AI scientists, PhDs, creatives, technologists, and engineers committed to empowering individuals and making healthcare more intelligible. Our offices are located in San Francisco's Mission District, New York's SoHo neighborhood, and Pittsburgh's East Liberty.The RoleJoin our rapidly expanding US-based Data Engineering team as a Data Engineer and play a pivotal role in revolutionizing the medical field with our generative AI products. In this essential position, you will design and optimize large-scale data infrastructure to inform business strategies and drive machine learning research.What You’ll DoDevelop and sustain scalable data services, pipelines, and storage solutions for the ingestion of unstructured application data for machine learning training and evaluation.Create and oversee OLAP databases, ELTs, and general data tools to support analytics, business decision-making, and product features.Collaborate closely with frontend and backend engineers, product managers, and analysts.Enhance data infrastructure to improve system throughput, latency, and reliability.Identify and resolve issues detected through data operation monitors, tools, and reports.Design data integration solutions and establish a data quality framework.What You’ll Bring5+ years of experience in Data Engineering or Backend Engineering focused on data systems.Proficiency in at least one general-purpose programming language (e.g., Python, Java, Scala) and SQL (any variant).Experience with at least one modern cloud service provider (GCP, AWS, Azure, etc.).

Join baseten as a Data Engineer and be at the forefront of data-driven innovation. In this role, you will design and implement robust data pipelines, ensuring the efficient processing and analysis of data to empower our products and decision-making processes. Collaborate with cross-functional teams to understand their data needs, while striving for optimization and scalability in data architectures.

About UsAt Rox, we are dedicated to empowering individuals to achieve their greatest potential. Our innovative platform enhances sales efforts through autonomous revenue agents, allowing sellers to prioritize their expertise in selling. Just as coding agents transformed engineering, revenue agents amplify customer interactions.We are revolutionizing the revenue stack by developing the world’s first revenue operating system, encompassing everything from the application layer to systems of context. At Rox, we envision a future where humans evolve into orchestrators while agents handle the complete customer lifecycle.Our solutions support Global 2000 leaders across sectors such as banking, construction, and AI, partnering with industry giants like Ramp and Cognition.Our success stems from a united belief in our mission and an unwavering commitment to making it a reality.The TeamOur world-class team is the backbone of our innovative approach to redefining business operations.Our team members have:Founded and successfully exited companiesHeld top roles at Google, AWS, Confluent, and New RelicWon gold medals in international mathematics competitionsPublished groundbreaking research papersWe are proud to be backed by leading investors, having raised $50 million from Sequoia (Alfred Lin), General Catalyst (Hemant Taneja), Google Ventures, Elad Gil, and Chris Ré.Core PrinciplesTaste: Craft beautiful experiences.We meticulously focus on every detail, striving to ensure that each interaction not only helps sellers accomplish their tasks but also enhances their experience. We are relentless in our pursuit of excellence, always exploring new ways to delight our sellers.Obsession: Commit unreasonably.We are dedicated to our craft, responding to customer needs proactively and driving value even before they ask. Our commitment to continuous learning and self-improvement is unwavering.Action: Get it done.Execution is key; we prioritize thoughtful yet swift decision-making and immediate delivery. Trust is essential in our field, and we earn it through our actions.

SquareTrade delivers protection plans and insurance products to a large customer base. The Engineering team develops and maintains the systems behind these services, ensuring reliability and efficiency. Role overview The Software Engineer position in San Francisco centers on building and enhancing technology that supports SquareTrade’s commitment to customer service. This role involves tackling projects that promote technical growth and hands-on problem-solving. What you will do Contribute to the design, development, and maintenance of systems supporting SquareTrade’s services Work with other engineers to solve technical challenges and improve existing solutions Participate in projects that encourage learning and skill development Location This position is based in San Francisco.

At Fastly, we empower individuals to forge deeper connections with the things they cherish. Our cutting-edge edge cloud platform enables clients to swiftly, securely, and reliably craft exceptional digital experiences by processing, serving, and safeguarding their applications as close to their end-users as possible — right at the edge of the Internet. This platform is tailored to leverage the modern internet, is highly programmable, and supports agile software development methodologies. Our clientele includes renowned global brands, such as GitHub, Yelp, Paramount, and JetBlue.Join us in our mission to create a more trustworthy Internet.Posting Open Date: March 13th, 2026Anticipated Posting Close Date*: May 30th, 2026*Job posting may close early due to the volume of applicants.Data EngineerAs part of Fastly's Analytics team, you will empower leaders across the organization with actionable data that drives essential business decisions. We are focused on expanding and enhancing our premier internal data platform. In your role as a Data Engineer, you will play a pivotal part in transforming our data infrastructure, optimizing data pipelines on Google Cloud Platform (GCP), scaling the ingestion of complex data sources, and adhering to best practices for performance and reliability. This is your chance to contribute to significant projects within a dynamic, collaborative, and innovative workspace, supporting data scientists, analysts, and business analysts across our organization.

Join Our Team at Hayden AIAt Hayden AI, we are dedicated to revolutionizing public transit and government operations through innovative computer vision technologies. Our mission is to tackle real-world challenges faced by transit systems, enabling them to enhance safety, optimize transportation, and contribute to a sustainable future.We develop advanced mobile perception systems designed to improve transit flow and street safety. As a part of our dynamic team, you will work at the forefront of technology, utilizing AWS and GCP cloud services while developing cutting-edge Linux-based edge devices.Role OverviewWe seek an enthusiastic Senior Software Engineer to enhance our data platform, ensuring it is reliable, scalable, and high-performing. In this role, you will design and construct core data infrastructure, optimize data pipelines, uphold data quality standards, and collaborate closely with product and data science teams to deliver transformative data solutions that drive business insights.

Join Trunkio, where our mission is to enable teams to develop high-quality software swiftly. We have collaborated with engineering teams at top-tier companies like Google X, Zillow, and Brex to identify build failures, manage flaky tests, and enhance code deployment speed without compromising reliability. Although AI has accelerated code writing, the delivery process remains a challenge due to merge conflicts, inconsistent code quality, and other productivity-draining issues. Our goal is to help engineering teams focus on the design, implementation, and delivery of exceptional software, resulting in more fulfilling work experiences. We are currently developing a CI Reliability Platform that empowers teams to deliver code efficiently.Founded in 2021 by industry veterans from Uber, Google, YouTube, and Microsoft, Trunkio has successfully raised a $25M Series A led by Initialized Capital and a16z, with backing from notable investors including Haystack Ventures and the creators of GitHub, Apollo GraphQL, and Algolia.We are seeking a passionate and skilled Senior Software Engineer to join our Platform/Data Engineering team. In this pivotal role, you will design and optimize data ingestion pipelines to manage large volumes of real-time and batch data from diverse sources. Your expertise will be vital in creating systems that are scalable, reliable, and performant, while also ensuring seamless data integration across our ecosystem.