Staff And Principal Software Engineers At Unstructured Technologies jobs in San Francisco – Browse 6,836 openings on RoboApply Jobs

Staff And Principal Software Engineers At Unstructured Technologies jobs in San Francisco

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companyUnstructured Technologies logo
Full-time|Remote|Remote

At Unstructured Technologies, we are pioneering the future of enterprise data transformation in the era of large language models (LLMs) and generative AI. With over $65 million raised from top-tier investors such as Menlo Ventures, Bain Capital, Databricks, NVIDIA, Microsoft, and IBM within just two years, we are positioned for rapid growth. Our open-source toolkit, downloaded over 52 million times, is utilized by more than 66,000 companies, including nearly half of the Fortune 500. We enable AI workflows across both commercial and federal sectors, converting PDFs, HTML, Word documents, images, emails, and more into scalable AI-ready data pipelines. We are not merely creating tools; we are establishing the critical infrastructure that supports generative AI and drives intelligence across diverse industries. We are seeking Staff and Principal Software Engineers to help shape the architectural framework that allows enterprises to efficiently process and transform unstructured data for LLM applications. This role is perfect for individuals who excel in deep systems work—those who could author a definitive guide on Kubernetes, are fluent in Python, and possess an in-depth understanding of Postgres at the index and transaction-log level. You will take charge of the technical direction for our core platform, overseeing data movement through all stages—from ingestion and transformation to retrieval. You will collaborate closely with the Head of Engineering, Head of Infrastructure, and product leaders to ensure that Unstructured’s systems are high-performing, resilient, and equipped to handle the next generation of AI-driven workloads.

Oct 31, 2025
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companyUnstructured logo
Full-time|Remote|Remote

At Unstructured, we are setting the benchmark for enterprise data transformation in an era defined by large language models (LLMs) and generative AI. Within just two years, we've successfully secured over $65 million in funding from esteemed investors such as Menlo Ventures, Bain Capital, Databricks, NVIDIA, Microsoft, and IBM.Our open-source toolkit has achieved over 52 million downloads and is utilized by more than 66,000 companies, including nearly half of the Fortune 500. We empower AI workflows across commercial and federal sectors by transforming unstructured data—such as PDFs, HTML, Word documents, images, and emails—into scalable, AI-ready data pipelines.We’re not just creating tools; we’re constructing the fundamental infrastructure of generative AI that enables intelligence across various industries.Unstructured is seeking Staff and Principal Software Engineers to establish the architectural foundation for processing and transforming unstructured data for LLM applications.This high-impact, hands-on position is ideal for individuals who excel in complex systems work—those who could author a guide on Kubernetes, are passionate about Python, and have a deep understanding of Postgres at the index and transaction-log levels. You will lead the technical direction for our core platform, overseeing the flow of data from ingestion to transformation and retrieval.You will collaborate closely with the Head of Engineering, Head of Infrastructure, and product leaders to ensure Unstructured’s systems are efficient, resilient, and capable of supporting next-generation AI workloads.

Apr 1, 2026
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companyDiscord Inc. logo
Full-time|$400K/yr - $450K/yr|On-site|San Francisco Bay Area

Join Discord, a platform that connects over 200 million users every month primarily through gaming. With over 90% of our users engaged in gaming activities, we facilitate over 1.5 billion hours of gaming conversations, enhancing the experience before, during, and after gameplay.The Infrastructure organization at Discord is fundamental to our user experience. We handle the real-time delivery of over 40 million events per second and manage the storage of trillions of messages, ensuring robust connections among our vast user base. As a Principal Engineer, you will play a pivotal role in guiding our infrastructure teams, shaping our technical vision, and maintaining the reliability of Discord at a massive scale.This position is ideal for a professional who excels at the intersection of advanced technical skills and organizational leadership. You will contribute to our infrastructure roadmap, address our most challenging technical dilemmas, and ensure our systems can efficiently scale to accommodate the next wave of users.

Feb 3, 2026
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companyPeregrine Technologies logo
Staff Software Engineer

Peregrine Technologies

Full-time|$200K/yr - $275K/yr|On-site|San Francisco, CA

Supported by prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private-sector institutions to address societal challenges with unparalleled speed and precision. Our AI-driven platform transforms fragmented and isolated data into actionable operational intelligence, quickly surfacing mission-critical information to facilitate informed and timely decisions that enhance outcomes across various contexts. Currently, Peregrine serves hundreds of customers across more than 30 states and two countries, impacting over 125 million individuals—and we are amplifying our influence as we expand into enterprise markets and internationally.Our TeamAs an engineering team, we place a strong emphasis on empathy, believing it enhances our solutions. Understanding how users interact with our product is essential, and engineers will collaborate closely onsite to grasp the diverse use cases that Peregrine addresses.We are seeking a Staff Software Engineer to join our core engineering teams. In this role, you will collaborate cross-functionally with design and product management to develop robust, scalable, and user-centric systems. Our teams confront a variety of challenges, from enabling real-time user collaboration on intricate maps to constructing high-scale backend architectures capable of processing billions of data points.We value ownership and teamwork; you will take complete responsibility for significant features and work closely with fellow engineers to ensure successful completion. We believe that humility and empathy are vital for crafting the right solutions—you will work directly with our deployment team and users as we refine our offerings to meet their needs. Creativity and perseverance will be key to executing our vision.RoleWe are looking for a Staff Software Engineer to join our expanding team, lead impactful projects, cultivate an inclusive team culture, and steer technical decision-making.This position is ideal for someone who excels in both people management and hands-on technical leadership. You will build a high-performing team, guide them through complex technical challenges, and ensure their work aligns with our business goals. The ideal candidate will effectively mentor while upholding high standards in technical execution.You will drive significant work that delivers value to our customers, from supporting emergency responders during hurricanes to de-escalating intricate organized crime situations. We are developing innovative capabilities that enable...

Jan 13, 2026
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companyPeregrine Technologies logo
Staff Software Engineer, AI

Peregrine Technologies

Full-time|$200K/yr - $275K/yr|On-site|San Francisco, CA

With support from prominent Silicon Valley investors, Peregrine Technologies empowers public safety organizations, state and local governments, federal agencies, and private sector entities to tackle societal challenges with unparalleled speed and precision. Our AI-driven platform transforms isolated and disparate data into actionable intelligence, rapidly presenting critical information that enables improved decision-making and outcomes. Currently, Peregrine serves hundreds of clients across over 30 states and two countries, impacting more than 125 million individuals, as we broaden our reach into enterprise markets and international territories.TeamOur engineering team is deeply committed to the idea that empathy enhances our solutions. Understanding how users interact with our products is fundamental to our approach. Engineers have the unique opportunity to collaborate closely with our onsite team to grasp the diverse use cases that Peregrine addresses.We cherish both ownership and teamwork; you will be fully accountable for significant features while working hand-in-hand with fellow engineers to ensure successful delivery. We believe that humility and empathy are critical for crafting effective solutions, and you will engage directly with our deployment team and users as we refine our offerings to meet their needs. Ingenuity and perseverance are vital in realizing our vision.RoleAs part of our new AI team, you will play a key role in delivering unique value to our clients. This team is responsible for designing powerful and intuitive user experiences powered by generative AI. You will explore entirely new interaction methods for users—whether through natural language commands or by enabling AI agents to manage complex tasks on their behalf. Your contributions will shape impactful AI-driven features that assist customers in solving real-world challenges more efficiently.Your work will encompass a variety of intricate challenges, including scaling our platform to process terabytes of data from multiple sources, efficiently querying and alerting users about this data in real-time, and optimizing search algorithms for swift result delivery.While our technology stack is continuously evolving, it is built on a foundation that includes Python, Django, Celery, Airflow, and Kafka for the backend; React, Redux, and Mapbox for the frontend; PostgreSQL and Elasticsearch for data storage; machine learning models hosted in Bedrock and Sagemaker; and utilizing AWS, Pulumi, Terraform, and Kubernetes for our infrastructure.

Mar 12, 2026
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companyCrusoe Technologies logo
Full-time|On-site|San Francisco, CA - US

Join Crusoe Technologies as a Principal Software Engineer specializing in Software-Defined Networking (SDN). In this pivotal role, you will lead the design and development of innovative networking solutions that leverage SDN technologies. You will work closely with cross-functional teams to enhance our networking capabilities and drive the future of our products.As a thought leader in SDN, you will be responsible for architecting scalable solutions, optimizing performance, and ensuring robust security across our network infrastructure. This is an exciting opportunity to impact the rapidly evolving tech landscape.

Mar 12, 2026
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companySoFi logo
Full-time|On-site|CA - San Francisco HQ

Role Overview SoFi is looking for a Principal Software Engineer focused on Member Growth to join the San Francisco headquarters. This role centers on designing and building software that improves the experience for SoFi’s members and supports the company’s mission to help people achieve financial independence. What You Will Do Lead the design and implementation of new software solutions aimed at increasing member engagement and growth. Guide and mentor a skilled team of engineers, providing technical direction and support. Work closely with cross-functional partners to deliver systems that scale with SoFi’s expanding user base. Apply modern technologies and engineering practices to create reliable, maintainable platforms. Location This position is based at SoFi’s San Francisco headquarters in California.

Apr 14, 2026
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companyMidi Health logo
Full-time|$220K/yr - $260K/yr|Hybrid|Hybrid - San Francisco

Senior Staff Software Engineer Location: Hybrid - Palo Alto Office on Tuesdays and Thursdays Make a Meaningful Impact At Midi Health, we're on a mission to transform women's healthcare. We are seeking a dynamic Senior Staff Fullstack Engineer who will act as a technical cornerstone within our Engineering Organization. As we expand, you will play a crucial role by translating intricate insights into cohesive technical blueprints and innovative products that drive our vision forward. Your Responsibilities Diagnose intricate technical challenges and spearhead architectural evaluations across diverse teams to mitigate technical debt, establish cross-service frameworks, and secure the long-term viability of Midi’s healthcare infrastructure. Function as a 'part-time product manager for technology', championing essential infrastructure enhancements that foster future operational agility. Design and develop outstanding, scalable, and adaptable products and code, striking a balance between execution speed and scalability. Influence engineering culture positively by promoting best practices for automated testing, CI/CD, and maintaining high-quality code across the entire stack. Assess high-level technical and business issues, architecting elegant and flexible solutions that consider long-term scalability and business expansion. Collaborate with Executive Leadership, Product, Marketing, and Clinical Stakeholders to uncover unmet customer and operational needs, translating business objectives into technical strategies that yield results for our patients and clinicians. Mentor senior and junior engineers through formal and informal channels, nurturing an environment of curiosity, humility, and technical excellence. About You You bring over 8 years of experience in building and scaling intricate engineering solutions, with a demonstrable history of leading large-scale architectural migrations in a startup setting. You have proven expertise in Django/DRF and React/Next.js. You are adept at navigating high-level abstractions, converting vague product and growth aspirations into tangible technical roadmaps. Your diverse background includes creating consumer-facing products alongside deep proficiency in architecting complex operational and workflow management systems. You are an advanced user of agentic coding tools and LLMs (e.g., Claude Code, GitHub Copilot) to expedite development and guide the team on high-leverage prompting and code auditing strategies.

Feb 25, 2026
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companyLunar logo
Full-time|On-site|San Francisco

About Us:Lunar is an innovative technology company operating in stealth mode, dedicated to creating a groundbreaking software platform for health systems. Our mission is to transform healthcare through advanced, AI-driven software that empowers every hospital to provide exceptional patient care. Our platform serves as the foundational backbone of modern health systems, revolutionizing clinical and operational workflows on a large scale with the world’s first AI-native hospital information system.This next-generation platform represents a comprehensive overhaul of the information infrastructure that supports health systems, encompassing all roles—from doctors and nurses to pharmacists, lab technicians, coders, billers, supply chain personnel, and even patients. We view our mission as the moon landing of healthcare—an extraordinary and ambitious endeavor that many deem impossible.Supported by leading venture capital firms in Silicon Valley, we are committed to the effectiveness of a small, high-performance team of seasoned professionals who operate at the peak of their abilities. We seek individuals who are driven, inquisitive, demonstrate sound judgement, and are passionate about delivering the best work of their careers.Our systems are built on Elixir, which we have adopted for its fault tolerance, concurrency, and scalability—crucial features for managing real-time patient data in critical environments such as Emergency Departments, ICUs, and Operating Rooms.We are in search of a Staff Software Engineer who is eager to address some of the most complex technical challenges in healthcare, joining a small, agile, and mission-driven team. If you are dedicated to writing clean, robust code and are excited about reimagining the software infrastructure of contemporary hospitals, we would love to connect with you.Technical Challenges You May Encounter in Your First 6 Months:Designing Modern Cloud Architecture: Build a cloud-native platform from the ground up without any legacy systems to complicate the process, utilizing Elixir as the foundation.Creating an Advanced Access Control System: Develop a modern access control system featuring fine-grained permissions that respect clinical data structures and patient data ownership while facilitating population-level insights for improved public health outcomes.Ensuring 24/7 Hospital Uptime: Engineer and deploy infrastructure capable of supporting rolling deployments, failover protocols, and continuous service availability.

Mar 12, 2026
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companyMidiHealth logo
Full-time|Hybrid|Hybrid - SF Bay Area

Role overview MidiHealth is hiring a Staff Software Engineer - AI Engineer for a hybrid role in the San Francisco Bay Area. The position focuses on building and improving AI-powered solutions that contribute to better healthcare outcomes. What you will do Collaborate with cross-functional teams to design and implement AI-driven systems for healthcare. Develop scalable architectures and write efficient algorithms tailored to healthcare applications. Uphold strong software quality standards throughout the development lifecycle. Location This position is hybrid, with work based in the SF Bay Area.

Apr 24, 2026
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companyCloudflare, Inc. logo
Full-time|Hybrid|Hybrid

Join Cloudflare as a Principal Software Engineer specializing in Resiliency, where you will play a pivotal role in enhancing our systems' robustness and availability. Your expertise will contribute to building and maintaining resilient infrastructure that supports our global network, ensuring our customers receive uninterrupted service.In this role, you will work alongside a talented team of engineers to identify vulnerabilities, implement solutions, and innovate new strategies that enhance system performance and reliability. If you are passionate about software engineering and system resiliency, we invite you to apply!

Feb 6, 2026
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companyKiddom logo
Full-time|On-site|San Francisco

About KiddomKiddom is an innovative educational platform dedicated to fostering student equity and growth by integrating high-quality instructional materials with engaging digital learning experiences. Our unparalleled curriculum management tools empower schools and districts to take ownership of their educational content, resulting in personalized learning experiences that address the unique needs and goals of local communities. With a focus on high-quality curriculum and rich data insights for teachers and leaders, Kiddom drives continuous improvement in instructional decisions, school and district programming, and professional development.The Systems Engineering team is instrumental in supporting tools and core services that ensure an exceptional product experience for our users, as well as an excellent developer experience for our engineering teams. A typical day might involve troubleshooting challenges and culminate in detailed project plans and collaborative efforts to resolve complex issues.This position blends technical leadership with strategic impact, influencing Kiddom’s systems to evolve each academic year. You’ll work with programming languages such as Go, TypeScript, and Python, and engage with technologies including web APIs, graph databases, edge computing, and large language models (LLMs). This role gives you the chance to instigate technical advancements across all teams. You will empower fellow engineers to excel in their work by selecting and developing the best tools available. Your proficiency in debugging, particularly with null pointer exceptions, will be a significant asset.Note: A list of questions is part of the application process. Failure to complete them or submitting 'N/A' will result in automatic disqualification.

Mar 20, 2025
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companyCloudflare, Inc. logo
Full-time|Hybrid|Hybrid

Join Cloudflare as a Principal Software Engineer specializing in billing systems, where you will play a pivotal role in shaping our payment and invoicing solutions. You will collaborate with cross-functional teams to implement innovative solutions that enhance user experiences and streamline processes. If you're passionate about building scalable software and want to contribute to a fast-paced, innovative environment, we want to hear from you!

Feb 6, 2026
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companySaviynt logo
Full-time|On-site|San Francisco

Principal Software Engineer Saviynt offers an AI-driven identity platform that effectively manages and governs access permissions for both human and non-human entities across all organizational applications, data, and processes. Our clients rely on Saviynt to protect their digital assets, enhance operational efficiency, and lower compliance expenses. Designed for the age of AI, Saviynt is at the forefront of helping organizations safely advance their AI deployments and utilization. As a recognized leader in identity security, we provide solutions that empower and protect some of the world’s leading brands, Fortune 500 companies, and government institutions. For more details, please visit www.saviynt.com. Role Summary In this pivotal role, you will provide technical leadership and extensive knowledge in complex engineering domains, guiding architectural decisions while ensuring scalability, reliability, and quality across key platform components. As a Principal Engineer, you will act as a technical authority, mentor senior engineers, and tackle the most intricate technical challenges. The Connectors team plays a crucial role in facilitating seamless integrations between Saviynt's Identity Governance platform and a multitude of enterprise applications by developing and maintaining robust, scalable connector frameworks. We are committed to ensuring reliable data synchronization, provisioning, and lifecycle management across diverse external systems, forming a vital foundation for the entire platform. What You Will Be Doing ● Design and architect scalable, high-performance connector frameworks for enterprise application integrations.● Define technical standards, best practices, and design patterns for connector development.● Drive architectural decisions for complex integration scenarios involving over 200 enterprise applications.● Evaluate and recommend new technologies, tools, and frameworks to enhance connector reliability and performance.● Lead technical design reviews and provide guidance on system architecture and design trade-offs.

Feb 5, 2026
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companyAnthropic logo
Full-time|On-site|San Francisco, CA | New York City, NY

Join Anthropic as a Staff Software Engineer on our Billing Platform team. In this critical role, you will design and implement robust billing solutions that scale with our growing user base. Collaborate with cross-functional teams to enhance our billing capabilities and ensure seamless processing of transactions. Your expertise will be vital in building systems that are not only efficient but also secure and user-friendly.

Mar 12, 2026
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companyCloudflare, Inc. logo
Full-time|Hybrid|Hybrid

Join Cloudflare as a Principal Software Engineer, where you will play a pivotal role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams to enhance our platform's scalability, security, and performance, making a significant impact on our global user base.

Feb 6, 2026
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companyGridware logo
Full-time|On-site|San Francisco, CA

About GridwareGridware is an innovative technology firm based in San Francisco, committed to safeguarding and optimizing the electrical grid. We have pioneered a revolutionary grid management approach known as Active Grid Response (AGR), which emphasizes the monitoring of electrical, physical, and environmental factors that influence grid reliability and safety. Our cutting-edge AGR platform leverages high-precision sensors to identify potential issues early, facilitating proactive maintenance and fault prevention. This holistic strategy aids in enhancing safety, minimizing outages, and ensuring the grid operates with maximum efficiency. Gridware is supported by prominent climate-tech and Silicon Valley investors. For further details, please visit www.Gridware.io.Role OverviewWe are looking for a talented Staff Software Engineer to act as a pivotal technical force within our team, enhancing the overall software engineering capabilities through architectural innovation, mentorship, and fostering a culture of excellence. In this role, you will design and develop the essential software systems that drive Gridware's platform. This encompasses everything from backend services that oversee our distributed network of devices to the front-end interfaces that visualize grid health, fleet diagnostics, and real-time field events.Your responsibilities will span the entire technology stack, building and scaling systems that integrate hardware, firmware, and cloud infrastructure to enable dependable communication, fleet visibility, and expedited decision-making. This position offers significant ownership and impact, allowing you to influence how our technology supports and protects critical infrastructure at scale.

Nov 8, 2025
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companyBroccoli logo
Full-time|On-site|San Francisco

About BroccoliBroccoli is revolutionizing the $500 billion home services industry by developing an AI operating system designed to empower trades businesses such as HVAC and roofing. Our intelligent AI agents handle customer interactions, manage job bookings, and ensure every lead is effectively captured.With the backing of prominent venture capital firms and a successful $27 million Series A funding round, we are on an aggressive growth trajectory. Collaborating with top private equity-backed home service platforms, we anticipate expanding our team fivefold by 2026, presenting a unique opportunity to join us early and make a significant impact.Why Join Broccoli?As a Staff Engineer, you will be instrumental in establishing the technical backbone of Broccoli AI. Your responsibilities will include ownership of critical systems, influencing architectural decisions, and shaping our development and deployment processes on a large scale.Immediate Impact: Your contributions will directly enhance production systems, benefiting hundreds of customers.Category Creation: Play a pivotal role in defining a new category of AI-powered workforce within an expansive market.Speed & Ownership: Enjoy the advantages of a small team with rapid feedback loops and substantial decision-making authority.Founder Collaboration: Partner closely with experienced founders to drive product and technical vision.What You’ll DoDesign, develop, and scale backend systems and internal tools for our AI agent platform.Take ownership of essential APIs and integrations, including systems like ServiceTitan.Lead complex features from initial design through to production deployment.Enhance real-time voice capabilities, reliability, and intelligence of AI agents.Mentor fellow engineers and help implement best practices across the team.Balance speed and quality while scaling systems to accommodate live customer traffic.What We’re Looking For7+ years of experience in backend or full-stack engineering.Strong system design and architectural skills.Proven experience in deploying and maintaining production systems at scale.Ability to thrive in high-growth, ambiguous startup environments.A proactive approach with a strong execution mindset.

Dec 18, 2025
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companyCarta logo
Full-time|Hybrid|San Francisco, CA; Santa Clara, CA; Seattle, WA; New York, NY

Join Carta's engineering team as a Staff Software Engineer, where you will play a crucial role in developing innovative solutions that enhance our platform. You will collaborate with cross-functional teams to design, implement, and maintain scalable systems, ensuring high performance and responsiveness to requests from the front-end.We're looking for a passionate engineer who thrives in a fast-paced environment and is excited about tackling complex challenges. If you are eager to contribute to cutting-edge technology and drive impactful projects, we want to hear from you!

Mar 6, 2026
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companyLila Sciences logo
Full-time|On-site|Cambridge, MA USA; London, UK; San Francisco, CA USA

Join Lila Sciences as a Staff or Principal Engineer specializing in Technical Mitigations Research. This role offers an exciting opportunity to leverage your engineering expertise to develop innovative solutions in the field of technical mitigations.

Apr 7, 2026

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