Senior Software Engineer - Backend

Lyft’s Self-Serve Intelligence team builds the systems that help riders and drivers resolve issues on their own. Part of the Safety & Customer Care organization, this group focuses on backend services, APIs, and AI-powered products that let customers get help without waiting for an agent. The team’s work includes AI Assist (such as AI Agents), automations, and self-service workflows, all designed to make support fast and reliable. Role overview As a Senior Software Engineer on this team, the main responsibility is to design, build, deploy, and maintain backend systems and AI-driven tools that handle customer problems automatically. These solutions use Generative AI and automation to deliver scalable, dependable self-service experiences for millions of Lyft riders and drivers. What you will do Design and develop backend services and APIs for AI-powered self-service products Build and maintain AI Agents and automation tools that resolve customer issues without agent involvement Oversee the full development lifecycle: system design, prototyping, deployment, and ongoing operations Work closely with product managers, designers, data scientists, and operations teams to deliver robust solutions Focus on reliability, scalability, and operational excellence in all systems Location This role is based in San Francisco, CA.

Join Sierra as a Software Engineer specializing in Intelligence, where you will play a pivotal role in developing innovative software solutions that enhance our intelligence capabilities. Collaborate with a dynamic team of professionals in a stimulating environment that encourages creativity and technical growth.

Why Join AngelListAt AngelList, we are committed to tackling some of the most challenging issues in venture capital and private markets. Join a dynamic team that prioritizes precision, urgency, and strategic thinking. If you are eager to influence the funding and development of startups, this is your opportunity.About AngelListOur mission is to accelerate innovation by enhancing the success rate of startups worldwide. We achieve this by creating a robust financial infrastructure that facilitates investment in transformative companies.AngelList serves as the central hub for venture capital and the startup ecosystem, managing over $171 billion in assets and supporting investments in more than 13,000 startups, including over 300 unicorns. Currently, 57% of premier U.S. VC deals involve investors through AngelList. Our ambitions exceed our current scale.If you are passionate about shaping the future of private markets, we invite you to join our journey.About the Role:We are looking for Senior Software Engineers to be a part of our Intelligence team. In this role, you will be responsible for designing, developing, and maintaining services that facilitate retrieval, semantic search, agent orchestration, model integrations, and data pipelines, transforming our proprietary signals into actionable product features.For more insights into our product direction, please visit: our blog.

About Matter IntelligenceMatter Intelligence is pioneering the future of vision AI by integrating a groundbreaking sensor capable of perceiving molecular chemistry, temperature, and 3D shapes with a Large World Model—our sophisticated intelligence engine tailored for the physical realm. This innovative system transcends mere visual perception; it comprehensively understands everything from a single pixel. We term this as Superintelligent Vision.Our distinguished team has contributed technologies to Mars missions for NASA/JPL, co-established and led infrastructure initiatives for OpenAI, developed advanced sensors for U.S. Defense, and created fundamental algorithms for spectral and 3D imaging. Together, we are committed to establishing the next frontier for vision and intelligence in the physical world.About the RoleAt Matter, we are developing technology that sits at the intersection of hardware, AI, and Earth observation. This position is uniquely positioned between Engineering and Operations.As the inaugural hire in this role, you will collaborate closely with various teams across Matter, including sensor engineers, ML researchers, satellite systems designers, sales, and leadership. Your primary responsibility will be to understand their workflows, pinpoint opportunities where intelligent agents can condense hours of work into mere seconds, and design these solutions. One week you might be crafting a multi-agent workflow for automating competitive intelligence tracking, and the next, you could be developing an internal tool that provides the hardware team with instant access to five different documentation systems. You will take ownership of challenges from discovery through deployment and continuous iteration.This position is not suited for individuals who prefer to follow a ticket queue. It is tailored for a developer with robust computer science fundamentals who can work autonomously, build trust within a demanding organization, and deliver production-grade agents that are essential to our operations.Key ResponsibilitiesAgent Development & EngineeringDesign, develop, test, and maintain production-quality AI agents and tools utilizing contemporary frameworks and APIs.Architect robust, secure, observable, and maintainable agentic systems.Create AI-native user experience patterns that facilitate seamless adoption: including human-in-the-loop checkpoints, auditability, graceful failure/rollback, and feedback mechanisms.Choose and integrate suitable tools, memory systems, and retrieval strategies tailored to each agent's specific use case.Produce clean, well-documented, version-controlled code, setting the standard for quality.Product Discovery & RequirementsEngage with stakeholders to gather requirements and translate them into effective AI solutions.

Join our dynamic team at Databricks as a Senior Software Engineer specializing in Customer Experience Intelligence (CXI). In this role, you will be at the forefront of shaping and enhancing customer interactions through innovative software solutions. Your expertise will drive the development of tools that empower our clients to leverage data for superior customer engagement.

Join Cloudflare as a Senior Threat Intelligence Engineer, where you will play a pivotal role in enhancing our security posture by analyzing and mitigating cyber threats. You will collaborate closely with cross-functional teams to develop strategies that protect our global network and safeguard our customers' data. Your expertise will be essential in driving threat intelligence initiatives, ensuring that we remain ahead of emerging threats.

At Crusoe, our vision is to enhance the availability of energy and intelligence. We are at the forefront of developing solutions that empower individuals to innovate boldly with AI, all while ensuring that we uphold principles of scalability, speed, and sustainability.Join us in driving the AI revolution through sustainable technology at Crusoe. You will play a pivotal role in fostering innovation, making a significant impact, and collaborating with a team that is leading the way in responsible and transformative cloud infrastructure.About the RoleWe are on the lookout for a Senior Software Engineer to take on the role of founding engineer within our new Enterprise Software Engineering team in IT. You will work closely with the Director to develop internal tools, automation processes, and integrations that remove manual tasks and address critical operational challenges across the organization.This role transcends traditional enterprise IT positions. You will leverage AI-assisted development as your primary method, delivering production-quality software within days instead of months, while laying the groundwork for future team members. As you grow in this role, your primary contributions will focus on defining specifications, context, and reusable patterns to guide AI agents, while still engaging in hands-on coding for the most complex challenges.Your ResponsibilitiesDesigning and deploying internal tools, automation, and integrations that provide measurable benefits across Finance, Operations, HR, and other business functions.Utilizing AI-assisted development as your standard workflow, which includes drafting specifications, creating prompts, reviewing AI-generated code, and iterating quickly.Establishing foundational technical patterns such as coding standards, project conventions, reusable components, and context files that facilitate AI-driven development.Creating and managing integrations between enterprise systems through APIs, middleware, and data pipelines.Developing solutions across a versatile environment that combines cloud application platforms with internal GPU compute for AI workloads.Collaborating with business teams during rapid prototyping sessions, then refining prototypes into production-ready systems complete with testing, monitoring, and documentation.Setting up CI/CD pipelines, automated testing, and quality assurance measures for all solutions delivered.Taking ownership of solutions from end to end, covering everything from specification and implementation to deployment and production support.

The Trade Desk is a leading global technology company dedicated to fostering a better, more open internet for everyone through principled, intelligent advertising. With the capability to handle over 1 trillion queries daily, our platform operates at an unparalleled scale. We pride ourselves on our award-winning culture, built on the foundations of trust, ownership, empathy, and collaboration. We appreciate the unique experiences and perspectives that every individual brings to The Trade Desk, and we are committed to creating inclusive spaces where everyone can express their authentic selves at work. If you are passionate about solving complex problems at scale and are eager to join a dynamic, globally-connected team where your contributions will significantly impact the media ecosystem, we invite you to explore why Fortune magazine consistently ranks The Trade Desk among the top small to medium-sized workplaces worldwide. As a Senior Software Engineer, you will have end-to-end ownership, allowing you to engage in various facets of designing, building, and delivering data-centric products for our stakeholders. At The Trade Desk, we focus on constructing the back-end infrastructure of our platform with an unwavering commitment to quality at scale. Whether developing components for our client-facing applications, crafting internal custom solutions for our teams, or building model pipelines for bidding optimizations, we ensure that the infrastructure, development processes, and tools empower us to execute efficiently. Our systems operate continuously, serving global traffic, and we collaborate in a highly cooperative environment while leveraging a diverse array of technologies. Our back-end developers tackle algorithmic, optimization, and scalability challenges across all our initiatives.

Merge stands at the forefront of innovation, delivering cutting-edge tools and customer-centric integrations tailored for emerging LLMs, Fortune 500 corporations, and B2B SaaS enterprises. Our platform encompasses two primary offerings: Merge Unified, which allows organizations to seamlessly incorporate a multitude of integrations through a single API, and Merge Agent Handler, which equips AI agents with secure access to a wide array of third-party tools. Trusted by thousands, Merge's enterprise-level platform streamlines the entire integration lifecycle, ensuring robust authentication, security, monitoring, and maintenance. Our solutions empower companies to accelerate product development, enhance sales efficiency, minimize customer churn, and conserve engineering resources, enabling them to concentrate on their core offerings. Key Responsibilities:Lead discussions on roadmapping and architectural strategies.Develop high-quality, production-ready, and maintainable code.Steer Merge's most significant projects from conceptualization to deployment.Support and empower your team, including engineers, designers, product managers, and business operators.Ideal Candidate Profile:7+ years of professional software engineering experience.Proficiency with frameworks such as Django, Rails, or Spring.In-depth understanding of SQL databases, preferably Postgres.Projects You May Engage In:Scaling Core Systems: Identify and resolve performance bottlenecks in our data syncing engine, lead large-scale migrations to more efficient technologies and storage solutions, and drive initiatives to enhance system throughput.Product Innovation: Design adaptive syncing paradigms that facilitate advanced customization across model normalization, scheduling, data filtering, and API rate limit management.New Revenue Streams: Collaborate on the development of features that open new avenues for revenue generation within the platform.

OverviewAt Pulse, we are revolutionizing data infrastructure by addressing the critical challenge of extracting precise, structured information from intricate documents at scale. Our innovative approach to document understanding integrates cutting-edge schema mapping with advanced extraction models that outshine traditional OCR and parsing tools.Based in the heart of San Francisco, our dynamic and rapidly expanding team of engineers collaborates with Fortune 100 companies, YC startups, public investment firms, and growth-stage enterprises. With the backing of top-tier investors, we are poised for significant growth.What sets our technology apart is our sophisticated multi-stage architecture:Specialized component detection models for layout understandingLow-latency OCR models designed for targeted extractionAdvanced reading-order algorithms to navigate complex document structuresProprietary recognition and parsing capabilities for table structuresFine-tuned vision-language models for interpreting charts, tables, and figuresIf you are passionate about the convergence of computer vision, NLP, and data infrastructure, your contributions at Pulse will make a direct impact on our clients and the future of document intelligence.

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.

About NeonNeon is an innovative global payments and e-commerce platform dedicated to empowering game publishers with greater financial autonomy and independence from traditional app stores. We advocate for open and transparent commerce: providing our partners with clear decision-making processes, actionable insights, and aligned incentives. Founded by industry veterans with extensive backgrounds in payments, fintech, and gaming, Neon prioritizes excellence in product development and partnerships. We collaborate closely with our clients, sharing insights, navigating decisions, and minimizing risks and complexities. Our mission is to replace outdated systems with clear, modern, and developer-focused infrastructure.As an early member of our team, you will play a pivotal role in shaping and scaling Neon’s products and cultural ethos, directly influencing our growth and success. You’ll be part of a diverse, collaborative team comprised of talent from esteemed organizations such as Apple, Affirm, Unity, and Visa. Backed by prominent venture capitalists like Thrive, a16z, Griffin Gaming, Ribbit, and Renegade, we invite you to join us in building disruptive technology that challenges the status quo and empowers game creators to thrive on their own terms.About the RoleWe are on the lookout for a Senior Software Engineer to lead the development of one of our crucial workstreams. As a design-oriented engineer, you will transform innovative concepts into functional, aesthetically pleasing products on a blank canvas. Your contributions will span the full technology stack, as you engage hands-on in building and scaling a core product that enhances financial independence for game developers.What You’ll DoCreate and maintain both front-end and back-end components of our platform.Work collaboratively with product leaders, designers, and other engineers to define, design, and deliver new features.Ensure that all features are scalable, performant, secure, and user-friendly.Write clean, maintainable, and efficient code, engage in code reviews, and uphold comprehensive documentation.What We Look ForMinimum of 5 years of software engineering experience.Proficient in full-stack development with a strong emphasis on React and TypeScript.A passion for continuous learning and adaptability across the technology stack as the team evolves.Highly productive, demonstrating ownership of key initiatives and delivering impactful results.Experience in leading teams or projects and a passion for mentoring others to enhance their skills.Willingness to work from our San Francisco or New York City offices.Join Neon and be a part of our journey!

Join SoFi as a Senior Cyber Threat Intelligence Engineer, where you will play a crucial role in safeguarding our digital assets. You will analyze threat data, develop actionable intelligence, and collaborate with cross-functional teams to enhance our security posture. Your expertise will be pivotal in identifying and mitigating potential risks while leveraging advanced analytical tools.

Join Discord, a platform that captivates over 200 million monthly users, primarily gamers, who collectively dedicate 1.5 billion hours to diverse gaming experiences. At Discord, we are committed to enhancing communication and social interactions in the gaming realm, making it more enjoyable for users to connect before, during, and after their gaming sessions.We are on the lookout for an enthusiastic and mission-driven Senior Software Engineer to become a vital part of the Notifications team at Discord. This team plays a crucial role in ensuring users stay engaged and connected through our platform. As part of a multidisciplinary squad, you will collaborate with engineers across various domains including user experience, infrastructure, and machine learning to deliver notifications that are both meaningful and valuable.As a full-stack engineer who is data-driven and has a strong product sense, you will thrive in our collaborative environment, tackling intricate challenges across the entire technology stack.

About WorkWhileAt WorkWhile, we are dedicated to empowering hourly workers to achieve financial stability and improved quality of life. With over 80 million Americans engaged in hourly employment, many face unpredictable schedules, low wages, and scarce benefits, which can lead to economic hardship.Our innovative platform is transforming the landscape of frontline work by fostering a more adaptable and effective labor market. Leveraging advanced AI technology, WorkWhile enables businesses to swiftly connect with top-tier talent. Workers enjoy same-day pay, complimentary telehealth services, opportunities for skill advancement, and the flexibility to select shifts that align with their expertise and personal schedules.Our ambitious aim is to harmonize incentives and address inefficiencies in the labor market, challenging the $650 billion staffing and recruiting industry. Supported by Khosla Ventures and celebrated by the Inc. 5000 for remarkable growth, WorkWhile is at the forefront of redefining the future of work.

About UsAt Imprint, we are revolutionizing the landscape of co-branded credit cards and financial products, making them smarter, more rewarding, and fundamentally brand-centric. Our partnerships with leading brands such as Crate & Barrel, Rakuten, Booking.com, H-E-B, Fetch, and Brooks Brothers empower us to launch innovative credit programs that enhance customer loyalty, unlock significant savings, and drive business growth. Our advanced platform integrates cutting-edge payment infrastructure with intelligent underwriting and an intuitive user experience, enabling brands to offer powerful financial solutions without the complexities of becoming a traditional bank.With co-branded cards accounting for over $300 billion in annual spending in the U.S. and most still relying on outdated banking systems, Imprint stands as the modern alternative: flexible, technology-driven, and tailored for today’s consumer. Supported by esteemed investors such as Kleiner Perkins, Thrive Capital, and Khosla Ventures, we are assembling a world-class team to innovate how payments are made and how brands evolve. If you thrive in a fast-paced environment, enjoy tackling complex challenges, and want to make a tangible difference, we invite you to join us.Discover more about our journey on Imprint's Technology blog.Your RoleLead the architecture, development, and deployment of sophisticated, high-performance backend systems that align with our business goals.Mentor junior and mid-level engineers through comprehensive code reviews, technical guidance, and knowledge sharing to foster their growth.Collaborate with cross-functional teams—including product managers, designers, and business stakeholders—to translate requirements into effective technical specifications and deliver impactful solutions.Work alongside leadership to nurture a diverse, inclusive, and innovative engineering culture.Partner with product and design teams to create and implement seamless, customer-centric experiences.Drive ongoing optimization of system performance, scalability, and reliability to meet rapid growth and changing business needs.Proactively identify technical debt, performance bottlenecks, and opportunities for architectural enhancements.Contribute to architectural decisions and help define the technical strategy for backend engineering.Shape technical direction and influence key architectural decisions that will impact the future of our platform.Promote engineering best practices and establish standards that enhance code quality across the organization.

Join our dynamic team at Cloudflare as a Software Engineer specializing in Artificial Intelligence. In this role, you will work on innovative projects that leverage AI technologies to enhance our services and improve user experiences. You will collaborate with cross-functional teams to design and implement solutions that are scalable, efficient, and impactful.

About UsAt Physical Intelligence, we are pioneers in integrating general-purpose AI into the physical realm. Our team comprises dedicated engineers, scientists, roboticists, and innovators focused on creating advanced foundation models and learning algorithms that will empower the robots of today and the physically-actuated devices of tomorrow.To achieve outstanding real-world performance, we prioritize ultra-low system latency, reliable sensor pipelines, and comprehensive engineering that ensures perception and control loops function seamlessly at real-time speeds.As a Runtime Software Engineer, you will be at the forefront of developing low-latency, high-throughput systems that support our physical intelligence model. Your role will not involve designing ML models; instead, you will optimize the entire stack from the operating system to the camera pipeline and networking, ensuring flawless production execution. You will work closely with researchers, platform engineers, and robotics operators to identify performance bottlenecks and maximize system efficiency.The TeamOur Runtime team is crucial in creating the foundational platform that our robots, sensors, and evaluation systems depend on. This team excels in Linux systems engineering, camera and sensor integration, robot actuator control, networking, real-time input/output, and performance optimization tools. They ensure that our machine learning models and control systems function within strict latency constraints and are resilient under real-world conditions.Your ResponsibilitiesManage Real-Time Pipelines: Design and implement low-latency, high-reliability sensor and actuator pipelines utilizing Linux, drivers, and middleware.Enhance System Performance: Analyze and optimize computational efficiency across I/O, memory, scheduling, networking, and storage to satisfy real-time requirements and boost throughput.Develop OS-Level Features: Modify or expand Linux components, drivers, and scheduling mechanisms to ensure deterministic performance under load.Streaming & Video Systems: Create and refine real-time video streaming systems with precise frame timing and packet scheduling.Ensure Reliability & Debugging: Develop tools for profiling, tracing, and resolving timing challenges across distributed systems and hardware interfaces.Collaborate Across Functions: Partner with researchers, hardware engineers, and operational teams to drive system performance and reliability.

P-160 About Us At Databricks, we are dedicated to empowering data teams to tackle some of the most challenging problems in the world — from transforming the next mode of transportation into a reality to expediting the development of medical innovations. We achieve this by developing and operating the leading Data Intelligence Platform, enabling our customers to leverage profound data insights that enhance their operations. Founded by engineers with a customer-centric approach, we eagerly embrace every opportunity to confront technical challenges, whether it involves designing next-generation UI/UX interfaces for data interaction or scaling our services and infrastructure across millions of virtual machines. Our journey is just beginning. As a Senior Full Stack Software Engineer, you will collaborate with your team and product management to simplify data insights for our users. We seek engineers who are customer-focused and capable of overseeing the entire product lifecycle, extending beyond mere technical execution. You will lay the groundwork for creating robust, scalable, and delightful products. Below are examples of experiences you will design for our customers, facilitating the complete project lifecycle from data loading and results visualization to statistical model creation and production deployment: User-friendly workflows for creating, configuring, and managing large-scale compute clusters, networks, and data sources. Develop, deploy, test, and upgrade intricate data pipelines, featuring powerful visual data graphs. Streamlined onboarding and management for all organizational members to adopt a data-driven approach. Exceptional SQL-centric data exploration and dashboarding experience on Databricks. An interactive environment for collaborative data projects at scale, with a straightforward path to production.