Senior Software Engineer - Rollup Product Team

OverviewAt Pylon Labs, we are revolutionizing post-sales support with our all-in-one B2B platform. Our innovative solution harnesses the power of conversational data and sophisticated intelligence, enabling our clients to manage their operations seamlessly and in real-time.We are proud to be supported by renowned investors including a16z, BCV, General Cataly…

Responsibilities:Oversee the successful implementation of our flagship product, Insights.Contribute significantly to the development of innovative features while ensuring high-quality code craftsmanship within the team.Define and promote technology best practices and explore future platform iterations.Mentor and guide our engineering team, fostering their growth and development.Enhance the efficiency and quality of our engineering processes.

Join Promise as a Software Engineering Lead in the heart of San Francisco, where you will play a pivotal role in driving innovative software solutions. You’ll be responsible for leading a talented team of engineers to design, develop, and implement high-quality software products that meet the needs of our clients. This is an exciting opportunity to make a significant impact in a dynamic and growing company.

About TroveoAt Troveo, we're innovating the future of AI video model training with our cutting-edge data platform. We proudly maintain the world's largest collection of licensed AI video training data, comprising millions of hours of content. Our comprehensive data pipeline seamlessly connects creators, rights holders, and AI research labs, facilitating compliant and scalable applications of video technology for AI and model development.As an early-stage, high-growth venture backed by visionary investors, we're looking for a Lead Software Engineer to enhance the distributed systems that underpin Troveo’s data and AI infrastructure.Role OverviewIn this pivotal role, the Lead Software Engineer will architect and scale the core backend systems that drive Troveo’s expansive data delivery, computational processes, and model training operations. You will work closely with product managers, DevOps, and frontend teams to design resilient and efficient microservices that cater to large-scale AI video data processing demands.This position is perfect for an engineer with a passion for technical challenges, balancing reliability, scalability, and efficiency within distributed environments. You will influence data movement, transformation, and the overall functionality of Troveo’s AI ecosystem.Your leadership will be essential in shaping the architecture of Troveo’s data pipelines, systems, and applications, working at the confluence of large-scale data management, cloud infrastructure, and applied AI. We seek an ideal candidate who blends extensive systems experience with exceptional communication skills, meticulous attention to detail, and a dynamic startup mentality.

About UsZeta Global (NYSE: ZETA) is a cutting-edge AI-Powered Marketing Cloud that utilizes advanced artificial intelligence (AI) alongside trillions of consumer signals to enhance the efficiency of customer acquisition, growth, and retention for marketers. Our vision, delivered through the Zeta Marketing Platform (ZMP), is to simplify sophisticated marketing by integrating identity, intelligence, and omnichannel activation into a unified platform, supported by one of the industry's largest proprietary databases and AI. Our enterprise clients across diverse sectors can personalize consumer experiences on an individual level across all channels, driving superior results for marketing initiatives. Founded in 2007 by David A. Steinberg and John Sculley, Zeta Global is headquartered in New York City with a global presence. For more information, visit www.zetaglobal.com.Job OpportunityAt Zeta Global, identity forms the backbone of our marketing cloud. The Identity team is responsible for creating and managing backend services that drive the Zeta Identity Graph, which involves collecting, resolving, and maintaining billions of behavioral, demographic, and transactional signals. These services facilitate large-scale people-based marketing, ensuring trust and transparency in identity data management while providing critical APIs and event streams utilized across Zeta's platform. Our infrastructure supports over 235 million consumer profiles and processes billions of events monthly, necessitating services that are highly available, low-latency, and scalable.We are seeking a Lead Software Engineer who excels in both backend distributed systems and data engineering. In this pivotal role, you will design APIs and event-driven services, enhance our systems to accommodate rapidly increasing data volumes, and modernize our platform for resilience, transparency, and optimal performance.Key Responsibilities:Design and implement backend services and APIs for identity resolution, graph transparency, and integrations.Develop and optimize event-driven pipelines and workflows that process billions of signals.Deploy and maintain cloud-native services on EKS/Kubernetes, utilizing Helm for consistent deployments.Ensure reliability, observability, and scalability of services and data pipelines.Collaborate with engineering, product, and data teams to deliver comprehensive identity solutions.Mentor and guide engineers to elevate team capabilities.

Join our dynamic team at MaximusTribe as a Lead Software Engineer / Tech Lead Manager in Growth. In this fully remote role, you will be at the forefront of driving innovative software solutions that propel our company's growth. You will lead a team of talented engineers, fostering a culture of collaboration and excellence while developing cutting-edge applications that impact our users positively.

About Sprinter Health:At Sprinter Health, we are on a mission to revolutionize access to healthcare by bringing services directly to patients' homes. A staggering 30% of patients in the U.S. forgo essential preventive or chronic care due to transportation barriers, often resorting to emergency rooms for basic healthcare, resulting in over $300 billion in avoidable costs annually.Leveraging advanced technologies akin to those used by top marketplace and last-mile delivery platforms, we provide critical care where it is needed most. To date, we have assisted over 2 million patients across 22 states, conducted over 130,000 in-home visits, and achieved an impressive 92 NPS. Our dedicated team of healthcare professionals, technologists, and operators has successfully raised over $125 million from esteemed investors such as a16z, General Catalyst, GV, and Accel, ensuring a sustainable operational runway.About the RoleAs part of our Growth Engineering team, you will play a pivotal role in facilitating access to our in-home care services for underserved communities. Your primary focus will be to enhance patient engagement by transforming our current appointment booking system, primarily reliant on outbound phone outreach, into a seamless product-led experience integrated into our core services.This position holds significant responsibility; you will be instrumental in developing the systems that directly influence whether individuals receive necessary care or go without.Office EnvironmentWe operate as a hybrid company with offices located in both San Francisco and Menlo Park. We value work-life balance and acknowledge the need for flexibility in various situations.Key Responsibilities:Design and implement experiments that enhance patient bookings, encompassing elements such as message copy testing, outreach timing, and innovative in-product booking flows.Optimize multi-channel engagement strategies via SMS, phone, email, and mail to reach patients who typically do not schedule care.Conduct rapid brainstorming sessions and sizing exercises to prioritize upcoming initiatives and strategies.

About the PositionWe are seeking a Senior Software Engineer to become a key founding member of our engineering team at (Re)vive. In this pivotal role, you will play a crucial part in shaping (Re)vive’s technical architecture, developing essential systems from inception, and delivering solutions rapidly to test and learn.This opportunity is perfect for individuals who excel in start-up environments, relish tackling complex challenges, and are eager to make a significant contribution to sustainability, retail, and commerce.Key ResponsibilitiesDesign & Develop: Create and launch minimum viable products (MVPs), then iterate based on user feedback and performance metrics.Architect & Expand: Spearhead the development of fundamental back-end and platform systems, while also contributing to user interface elements as necessary.Cross-Functional Collaboration: Work closely with Product, Data, and Operations teams to ensure that technology solutions align with merchant return on investment and enhance consumer experiences.Cultivate Engineering Culture: Establish best practices, code quality benchmarks, and collaboration standards as one of the pioneering engineers at (Re)vive.System Ownership: Engage in new builds and redesign legacy workflows as the company scales.Ideal Candidate Profile3-7+ years of experience in software engineering.Proficient in back-end development and platform architecture, particularly in AWS or similar cloud environments.Experience in building and scaling systems within early-stage or rapidly growing organizations.Knowledge of API-first design and system integrations.Ability to work across the technology stack, focusing primarily on back-end development while also contributing to UI when necessary.Results-oriented: thrives in uncertain conditions, balancing resourcefulness with long-term scalability.A collaborative team player who can function as both an individual contributor and a strategic architectural partner.Passionate about productivity-enhancing tools, AI-driven solutions, and technologies focused on sustainability.Why (Re)vive?Join our founding engineering team and help shape the technical backbone of a groundbreaking company.Develop mission-driven technology at the crossroads of sustainability, logistics, and commerce.

Join Boomtrain as a Lead Software Engineer and play a pivotal role in our dynamic growth journey. As we continue to expand rapidly, we are looking for an innovative and skilled engineer who thrives in fast-paced environments. You will lead a team of talented engineers, driving the development of cutting-edge software solutions that enhance user experience and solve complex business challenges.In this role, you will collaborate closely with cross-functional teams, utilizing your technical expertise and leadership skills to foster a culture of excellence and creativity. Your ability to merge analytical thinking with user-centered design will be crucial as we strive to deliver exceptional products that create real value.

Astranis is at the forefront of satellite technology, crafting advanced satellites designed for high orbits that extend humanity's reach into the cosmos. Our satellites currently deliver dedicated, secure networks to a diverse range of sophisticated clients, including major corporations, sovereign governments, and the U.S. military. With five satellites successfully launched and many more on the horizon, we are actively managing a commercial contract backlog exceeding $1 billion.Recognized as the premier satellite communications partner for clients with stringent demands for uptime, data security, network visibility, and customization, Astranis has garnered over $750 million in funding from top-tier investors, including Andreessen Horowitz, Blackrock, and Fidelity. Our headquarters in Northern California spans 153,000 square feet, where a talented team of 450 engineers and entrepreneurs designs, builds, and operates our cutting-edge satellites.Propulsion Test Team LeadAs the Propulsion Test Team Lead, you will spearhead the testing and fueling of our propulsion systems. You will guide and further develop a team of elite propulsion test engineers and technicians to ensure successful mission outcomes.Role ResponsibilitiesLead a team of propulsion test engineers and technicians responsible for testing satellite propulsion systems, including managing hiring and direct reports.Establish and uphold quality standards and processes for effective verification of unit-level and system-level hardware. Analyze non-conformances to identify root causes and formulate corrective action plans for system enhancements.Oversee daily propulsion test operations, including developing processes to allocate and monitor work across production and development testing programs.Foster a culture of safety and quality throughout the work environment.Assess proposed designs for testability and collaborate closely with design engineering teams to facilitate factory output growth targets of up to 24 vehicles annually.Develop, maintain, and communicate detailed schedules, ensuring team members and stakeholders are informed of tasks and deadlines while identifying and acquiring necessary resources.Manage the test infrastructure required for current and next-generation propulsion systems, including factory layout, safety equipment, and test beds.Engage hands-on with flight hardware alongside your team to guarantee mission success.Develop ironbirds (test beds) for conducting flight-like development and qualification testing.

Join HockeyStack, where we are revolutionizing B2B sales and marketing through advanced AI systems.We seamlessly integrate with a multitude of tools across the go-to-market stack, merging first and third-party data to create the industry's most comprehensive event-level data foundation. Our capabilities include:Analyzing every deal won and lost to uncover revenue-driving patterns, enabling real-time guidance for sales representatives.Identifying key factors influencing the sales pipeline, providing immediate insights without the need for extensive manual analysis.Learning from every outcome and interaction, continuously improving our system's performance and accuracy.Unlike others, our structured reasoning layer ensures deterministic and self-improving agent execution. As a Y Combinator alum with a $26M Series A led by Bessemer Venture Partners, we are experiencing rapid growth with an 8-figure ARR and over 60 TB of GTM data processed. We are looking for dynamic individuals ready to succeed. This position can be based in our San Francisco HQ or be fully remote. Your MissionAs the Backend Tech Lead for the Data API team, you will design and scale our core API infrastructure, which is critical for Marketing, Sales, and Customer Success operations. You will oversee the engineering of services that manage over 60 TB of GTM data, ensuring the delivery of low-latency, high-availability APIs that provide valuable buyer insights to our internal applications and customer-facing dashboards.This is an exceptional opportunity for an engineer eager to take ownership of large-scale data and API infrastructure while fostering engineering excellence and rapid deployment in a fast-paced environment. What You’ll DoLead the design and development of APIs to share GTM data with both internal and external users.Oversee the architecture for large-scale data access patterns, focusing on performance, cost-effectiveness, and reliability.Work closely with AI, data, and frontend teams to ensure smooth integrations and clear API contracts.Address complex challenges including versioning, rate-limiting, authentication, query complexity, and cache invalidation in a rapidly evolving product landscape.

Join Waymo, a leader in autonomous driving technology, as a Staff Software Engineer / Technical Lead Manager. In this pivotal role, you will guide a dedicated team of engineers to innovate and enhance software solutions that power our self-driving vehicles. Your expertise will drive technical direction and foster a collaborative environment, ensuring that our projects meet the highest standards of quality and efficiency.

Join Our Mission to Revolutionize Autonomy in ConstructionAt Bedrock Robotics, we are pioneering the integration of AI in real-world applications. Our innovative team comprises industry experts who contributed to the success of Waymo, facilitated Segment's $3.2B acquisition, and propelled Uber Freight to $5B in revenue. We are at the forefront of deploying autonomous systems in heavy construction machinery nationwide, significantly enhancing the efficiency of multi-billion-dollar infrastructure projects while prioritizing safety on job sites. With an impressive $350M in funding, we are rapidly addressing the escalating demand for housing, data centers, manufacturing facilities, and the pressing labor shortage in the construction sector.This is where groundbreaking algorithms converge with the realities of the construction field. You will partner with seasoned construction professionals and elite engineers to tackle complex challenges that go beyond simulation capabilities. If you are eager to leverage cutting-edge technology to make a tangible impact alongside a talented team, we invite you to apply.Your RoleAs part of the Onboard Infrastructure team, you will be responsible for developing the foundational software and middleware that operates on our onboard computer, utilizing Rust from board bring-up to middleware.We are seeking a Staff Software Engineer to conceptualize and implement our onboard runtime framework. This framework is crucial for the safe and efficient operation of our autonomy stack, allowing our Machine Learning and Controls teams to accelerate their workflows and deliver with assurance.Your ResponsibilitiesDesign and develop the core application runtime framework, incorporating application lifecycle management, deterministic scheduling, and sophisticated configuration systems that manage complex subsystem dependencies.Create high-performance communication systems and zero-copy interfaces for low-latency, real-time sensor data, including cameras and lidars.Build onboard infrastructure to enhance system observability, diagnostics, and ensure deterministic logging and replay capabilities.Establish and uphold coding standards and code quality, promoting Rust best practices while mentoring junior engineers.Collaborate closely with Machine Learning and Controls teams to ensure the platform meets the stringent requirements of advanced autonomy.Required Qualifications10+ years of software engineering experience, with a focus on systems programming in Rust.Proven track record in developing high-performance, real-time systems.Strong understanding of middleware architectures and software design principles.Experience working in collaborative, cross-functional teams.

About KiddomKiddom is an innovative educational platform committed to fostering student equity and growth by integrating high-quality instructional materials with engaging digital learning experiences. Our platform offers exceptional curriculum management capabilities, empowering schools and districts to take charge of their educational content. This results in tailored learning experiences that cater to the unique needs and aspirations of local communities. With detailed insights into teacher and leader performance, Kiddom drives continuous improvement in instructional strategies, school/district programs, and professional development.At Kiddom, we are passionate about revolutionizing education through state-of-the-art technology. Our mission is to create a comprehensive platform that equips educators and learners with advanced tools and data-driven insights. We are seeking a skilled Lead Software Engineer specializing in Frontend development to join our team and spearhead the design and implementation of scalable, frontend-centric solutions.As the Lead Software Engineer - Frontend, you will be pivotal in architecting and delivering full-stack product features with a focus on frontend architecture. Your responsibilities will include defining, building, and optimizing product features and addressing complex challenges at scale. You will collaborate with senior engineers to select optimal tools and technologies while implementing robust, production-ready software solutions.

The Role:Join us as a dynamic Frontend Tech Lead at f2-ai, where you'll take the helm in crafting our cutting-edge, AI-driven enterprise UI platform. This is a unique opportunity for an innovative engineer who enjoys building robust systems from the ground up and is eager to influence our technical direction while writing production-level code.Key Responsibilities:UI System Development: Design and implement foundational frontend features, actively coding and delivering essential React/TypeScript components.Frontend Architecture Leadership: Shape the technical vision and roadmap for our React-based UI platform, ensuring swift iterations and effective scaling of user experiences.Performance, Security, and Accessibility: Create high-performance, responsive interfaces that comply with SOC 2 and accessibility standards, emphasizing maintainability and cost-effectiveness.AI Integration: Collaborate with the team to incorporate intelligent features, data visualizations, and interactive tools that reveal AI-driven insights.Engineering Excellence: Establish and maintain coding standards, component libraries, and review processes; mentor fellow engineers to cultivate a culture of reliable, test-driven development.Collaborative Partnerships: Work closely with product, design, backend teams, and enterprise clients to translate requirements into elegant UI solutions.Qualifications:Proven Technical Leadership: 7+ years of experience in building and scaling mission-critical frontend systems using TypeScript and React, with a demonstrated capability to architect solutions from scratch.API Design Proficiency: Extensive experience in designing and utilizing RESTful and GraphQL APIs, including state management and effective data-fetching techniques.Results-Oriented Mindset: You excel in environments where you take ownership of features from start to finish, iterate quickly, and deliver production-ready UI solutions.Familiarity with Styling Solutions: Experience with CSS-in-JS methodologies (e.g., Styled Components, Emotion) or utility-first frameworks like Tailwind.

At Sciforium, we're at the forefront of AI infrastructure innovation, dedicated to developing cutting-edge multimodal AI models and a proprietary, high-efficiency model serving platform. With significant multi-million-dollar backing and direct collaboration from AMD, including hands-on support from AMD engineers, our team is rapidly expanding to construct the comprehensive stack that fuels leading-edge AI models and real-time applications.About the RoleJoin us in a unique opportunity to architect and spearhead the development of Sciforium's next-generation model serving platform, the powerhouse that will deliver a multimodal, high-performance foundation model to market. As a senior technical leader, you will not only craft core components but also mentor and guide fellow engineers, shaping engineering direction, standards, and quality of execution.You'll delve into the entire AI stack: from GPU kernels and quantized execution paths to distributed serving, scheduling, and the APIs that drive real-time AI applications. If you relish deep systems work, thrive on ownership, and aspire to lead engineers in constructing foundational AI infrastructure, this role places you at the heart of Sciforium's mission and growth.Your ResponsibilitiesSteer the technical direction of the model serving platform, overseeing architectural decisions and engineering execution.Develop core serving components such as execution runtimes, batching, scheduling, and distributed inference systems.Create high-performance C++ and CUDA/HIP modules, including custom GPU kernels and memory-optimized runtimes.Collaborate with ML researchers to transition new multimodal models into production while ensuring low-latency, scalable inference.Construct Python APIs and services that make model capabilities accessible to downstream applications.Mentor and assist other engineers through code reviews, design discussions, and direct technical support.Lead performance profiling, benchmarking, and observability initiatives across the inference stack.Guarantee high reliability and maintainability through rigorous testing, monitoring, and adherence to engineering best practices.Diagnose and resolve intricate issues spanning GPU, runtime, and service layers.

About Our TeamAt OpenAI, the Codex team is on a mission to revolutionize software engineering through cutting-edge AI technology. We are developing an AI software engineer capable of collaboration, task delegation, and proactive engagement. Our dynamic team combines expertise in research, engineering, design, and product development, continuously iterating on the Codex agent's capabilities and training the model to excel in complex software engineering tasks.The Codex team is at the forefront of creating advanced AI systems that can write code, reason about software, and serve as intelligent agents for both developers and non-developers. We manage the complete lifecycle of experimentation, deployment, and enhancement of innovative coding functionalities across research, engineering, product, and infrastructure.Codex for Teams specializes in developing products and platform functionalities that facilitate the integration of Codex into various team settings. Our cross-functional team works across the technological stack to create both engaging product experiences and essential platform capabilities. We cater to a diverse customer base, from small teams to large enterprises, and our mission is pivotal to realizing Codex as a proactive team member.About The RoleAs we expand, our goal is to transform Codex from a robust individual tool into a production-ready teammate for entire organizations. You will collaborate with internal OpenAI teams and external clients, ranging from agile startups to established enterprises, to ensure that Codex can be deployed, operated, and trusted in demanding real-world environments.With the surge in consumer adoption of Codex, enterprise demand is growing swiftly, offering exciting opportunities to enhance workflows, controls, and reliability. This team is dedicated to converting complex, real-world requirements into reliable, scalable product and platform capabilities.You will engage directly with a select group of highly involved design-partner customers, utilizing their actual deployments to identify opportunities and requirements for Codex's success within contemporary engineering organizations. These insights will inform your development work across product, infrastructure, and deployment methodologies for all teams utilizing Codex.This role encompasses end-to-end system ownership, from architecture and implementation to production operations, with a strong emphasis on both quality and speed.In This Role, You Will:Influence the evolution of Codex by understanding how teams utilize (and sometimes challenge) AI-powered software...

Join Our Team as a Senior Software EngineerAt Sprig, we are revolutionizing experience research by developing an AI-native successor to outdated survey tools like Qualtrics and SurveyMonkey. Our vision is to create a platform that is not only intelligent and fast but also seamlessly integrated into the product development process of modern teams.Our commitment is to simplify customer understanding, making it an ongoing and effortless endeavor. With Sprig, product teams gain clarity from insights rather than relying on guesses. We are pioneering a future where AI drives real-time insights, streamlines workflows, and enhances customer experiences.Leading companies such as Notion, Figma, and Coinbase trust Sprig to connect more intimately with their customers. As we approach $100 million in annual recurring revenue, we are expanding our innovative AI capabilities globally.If you thrive in dynamic environments and are excited about redefining a category, we would love to hear from you.Your RoleAs a member of Sprig's AI engineering group, you will play a crucial role in developing the technology that empowers UX researchers and product leaders to analyze customer behavior at scale. Our platform processes hundreds of millions of events daily, delivering AI-driven analysis that transforms raw data into actionable insights.You will be responsible for managing backend systems that facilitate this operation, including high-performance data pipelines, AI inference orchestration, and integrations that embed applied AI into Sprig's user experience. Your contributions will be vital in evolving the technical foundation that enables our customers to scale and operationalize AI-driven understanding.While our team collaborates across the entire stack, your focus will primarily be on backend and distributed systems, closely interfacing with applied AI infrastructure. You will work alongside engineers who prioritize thoughtful design, practical solutions, and impactful work, all while adhering to high standards of reliability, privacy, and correctness.This is a hybrid position requiring three days a week in our San Francisco office, conveniently located near Montgomery BART.

Our MissionAs the foremost end-to-end investment platform for single-family rental homes (SFR), we are dedicated to transforming the rental housing ecosystem for the benefit of everyone involved. Our goal is to combine our enthusiasm for assisting investors in building wealth through real estate with innovative technology that revolutionizes the investment process.Growth and ExpansionWith over 750 talented Roofsters, our collaborative and proactive culture drives our growth. In 2022, we successfully raised $240 million in our Series E funding round, and we proudly operate offices in the Bay Area and New York City. Our growth trajectory includes the recent acquisitions of Stessa (financial and asset management software), RentPrep (tenant screening and placement service), and Mynd (property management platform for both retail and institutional investors). Additionally, in 2025, Roofstock acquired a stake in Casago (short-term rental management services), further enhancing our platform to support both long-term and short-term rental investment services.Role OverviewThe Team Lead, Maintenance, plays a crucial role in ensuring seamless, high-quality field operations. This position focuses on managing the workforce lifecycle and administrative functions, combining field oversight, administrative management, and team development.Key ResponsibilitiesLead a team of in-house technicians and portfolio associates.Primarily administrative role with occasional site visits for quality assurance and coaching.Coordinate comprehensive maintenance efforts for multi-family and single-family properties, ensuring operational efficiency across routine, preventive, and emergency work orders.Act as the primary contact for emergency responses, addressing urgent situations decisively to mitigate risks and protect properties.Oversee the interviewing and selection process for team members, ensuring alignment with organizational standards and values.Facilitate the onboarding of new hires, providing training and resources for a smooth transition into field operations.Analyze daily and weekly reports to identify risks and guide the team proactively.Manage termination processes in compliance with company policies.Review and approve maintenance budgets and expenditures.