Sales Engineer at Harness | San Francisco

Harness is a pioneering AI Software Delivery Platform company, founded by technologist and entrepreneur Jyoti Bansal, the visionary behind AppDynamics, which was acquired by Cisco for $3.7 billion. Having raised approximately $570 million in funding, Harness is now valued at $5.5 billion, supported by top-tier investors such as Goldman Sachs, Menlo Ventures,…

About ReductoAt Reducto, we empower AI teams to seamlessly ingest real-world enterprise data with unparalleled accuracy. Our innovative solutions unlock vast amounts of enterprise data—ranging from financial statements to health records—previously trapped in unstructured formats like PDFs and spreadsheets. By training vision models to interpret documents as humans do, we enable the development of products, training of models, and automation of processes at scale.Having experienced exponential growth, with a remarkable 7x year-over-year revenue increase, we collaborate with hundreds of companies, including leading AI teams such as Harvey, Vanta, and Scale, as well as major enterprises like FAANG and top trading firms.Backed by over $100 million from top-tier investors including A16z, Benchmark, and First Round Capital, we are in search of a talented Product Engineer to join our dynamic team.The RoleAs a Product Engineer, you will be instrumental in developing features that empower our customers to design, build, test, and evaluate their essential document workflows. Our mission is to democratize access to document data for everyone, regardless of their technical background. You will contribute to creating a comprehensive product suite that spans from document storage to the seamless export of parsed data for various applications. Your work will encompass everything from interactive document viewers to data extraction workflows, crafting user experiences that simplify complex AI functionalities.

At PermitFlow, we are revolutionizing the construction industry through innovative applied AI solutions. Our mission is to tackle the significant challenges that builders face in understanding what can be built, where, and how. By leveraging our AI-driven workforce, we empower some of the fastest-growing construction firms to efficiently manage everything from permitting and licensing to inspections and project closeouts, thereby accelerating development in housing, clean energy, and infrastructure across the nation.Despite being a $1.6 trillion sector, the construction industry is plagued by delays, inefficiencies, and missed opportunities. PermitFlow has already transformed over $20 billion in development projects, providing unprecedented speed, accuracy, and visibility that enables contractors to minimize compliance time, mitigate risks, and scale confidently.As the U.S. embarks on a new capital expenditure supercycle impacting data centers, factories, housing, and renewable energy, your role at PermitFlow will be pivotal in constructing the AI infrastructure that underpins every construction project, driving the next wave of reindustrialization.We are proud to have raised over $90 million, recently completing our Series B round with support from premier investors such as Accel, Kleiner Perkins, Initialized, Y Combinator, Felicis, and Altos Ventures, alongside influential figures from OpenAI, Google, Procore, ServiceTitan, Zillow, PlanGrid, and Uber.This position requires a hybrid work schedule in San Francisco, with 3 in-office days each week.

Join our innovative team at atlas as a Web Engineer, where you will be integral in shaping the future of web technologies. In this role, you will collaborate with cross-functional teams to develop high-quality web applications, ensuring optimal performance and user experience.Your expertise in modern web frameworks and programming languages will be essential as you tackle exciting challenges and contribute to our ongoing projects. We are looking for a passionate individual who thrives in a dynamic environment and is eager to learn and grow.

Join Atlas as an iOS Engineer and play a crucial role in designing innovative mobile applications that enhance user experiences. You will collaborate with cross-functional teams to deliver high-quality software solutions, ensuring seamless integration with backend services. Your expertise will contribute to the development of cutting-edge features that delight our users.As a member of our dynamic team, you will have the opportunity to implement best practices in mobile development, optimize app performance, and stay up-to-date with the latest industry trends. If you are passionate about mobile technology and eager to make an impact, we want to hear from you!

Merge is at the forefront of providing cutting-edge agentic tools and customer-facing integrations tailored for advanced LLMs, Fortune 500 companies, and B2B SaaS solutions. Our platform features two primary offerings: Merge Unified, which allows businesses to seamlessly incorporate hundreds of integrations through a single API, and Merge Agent Handler, designed to grant AI agents secure access to a plethora of third-party tools. Our enterprise-grade platform encompasses the full integration lifecycle, from authentication and security to continuous monitoring and maintenance. Trusted by thousands of companies, Merge accelerates product development, removes sales obstacles, mitigates customer churn, and conserves engineering resources, enabling teams to concentrate on their core products. Who are we looking for?We are seeking both backend and full-stack engineers to join our two engineering teams located in San Francisco. Our Foundations team develops Merge's infrastructure to achieve unprecedented levels of scalability, performance, and reliability. Simultaneously, our Automation team leverages Applied AI and large language models (LLMs) to create innovative, externally-facing products and enhance internal efficiencies through automation, intelligent tooling, and AI-native user experiences. We are hiring for mid- to staff-level positions, with evaluations based on relevant experience and interview performance. What you will do:Engage in roadmapping and architectural discussionsWrite high-quality, production-ready, maintainable, and readable codeLead substantial projects from initial conception to productionProvide support and unblock your team consisting of engineers, designers, product managers, and business operators

Join clera, an innovative startup poised to make waves in the tech industry. As a Founding Engineer, you will play a pivotal role in shaping our product and technology from the ground up. Collaborate with our founding team to design and implement cutting-edge solutions that redefine user experiences.

Join Strala, where we are redefining the insurance industry by building innovative solutions from the ground up.In less than a year, we have achieved multi seven-figure ARR, growing at an impressive 50% month-over-month. Our funding comes from esteemed Tier 1 investors, including Peter Thiel’s Founders Fund, with leadership from early OpenAI, Cognition, and Scale AI partners. Our dynamic team includes alumni from Harvard, Berkeley, and Oxford, along with experience from leading firms such as Optiver, AMD, and Palantir.What We SeekProblem Solver - You thrive on tackling complex challenges and have a proven track record.High Agency & Ownership - You take initiative and drive projects to fruition, with bonus points if you have experience as a CTO or founding engineer.Proven Builder - Minimum of 2 years in backend development using Python and a history of delivering production-ready code swiftly.Core System Design - You will take ownership of our core infrastructure, including databases like PostgreSQL and vector databases.Cloud Expertise - Proficient in REST, GraphQL, GCP, AWS, and Docker.Your Initial Month at StralaLaunch from Day 1 - You will deploy your code into production on your first day.Ownership - You will create specifications and independently build features.Problem Solver - You will hire your next teammate, design core infrastructure, and scale our existing codebase.Our ValuesAmbition: We aim to excel and be the best in our field.Performance: We value speed, systemic thinking, and efficiency.Ownership: We take responsibility when we identify a problem and work to solve it.Spirit: We foster clarity, optimism, and meritocracy.What We OfferImpact - Play a key role in shaping our company, transforming an industry, and making your code resonate with millions.Intensity - Engage with complex challenges, ownership, and in-person collaboration in SF.Reward - Work on engaging projects with competitive salaries and equity in the top quartile.Team - Join a competitive and driven team that pushes each other to excel.

About UsTwitch stands as the premier live streaming platform globally, fostering vibrant communities centered around gaming, entertainment, music, sports, cooking, and beyond. Each day, countless communities unite here for diverse experiences.At Twitch, community is at our core. You'll collaborate with enthusiastic colleagues who are driven to solve challenges together. Join us in our mission to empower live communities. Explore our journey on LinkedIn, X, and discover our innovative projects on our Blog. Don't forget to check out our Interviewing Guide to prepare for your interview with us.

Join our dynamic team at Stripe, where we are on a mission to simplify online payments for businesses around the globe. As a Software Engineer, you will play a crucial role in designing and developing systems that empower our customers and enhance their experiences. You will collaborate with cross-functional teams to create scalable solutions that address complex challenges in the payments ecosystem.

Join Our Innovative TeamAt marble.ai, we are revolutionizing the tax preparation landscape through our cutting-edge AI-powered assistant and platform. We aim to alleviate the challenges faced by mid-to-large accounting firms during tax season by providing intelligent solutions that simplify complex workflows. As a startup in the early stages of development, we foster a highly collaborative environment dedicated to addressing impactful issues for our clients.Your Role in Our MissionWe are seeking a passionate Software Engineer to contribute to the core functionality of our AI-driven tax platform. As one of our early hires, you will have a significant impact on shaping the architecture and features of our groundbreaking product. This is an exciting opportunity to work in a fast-paced startup atmosphere where your contributions will help redefine the tax preparation experience.If you are motivated by dynamic work environments and are eager to utilize AI tools for real-world solutions, we would love to hear from you.Key ResponsibilitiesLead the development of our AI-first tax preparation platform.Enhance core user experiences across our applications.Collaborate closely with the founding team to define and execute our product roadmap.Implement AI-driven tax data throughout the platform.Engage with the entire product lifecycle and technology stack.Desired QualificationsProven experience in building and scaling user-facing web applications.Familiarity with various web frameworks (both frontend and backend).Strong product intuition and meticulous attention to detail.A genuine passion for solving customer challenges and delivering exceptional value.Preferred QualificationsExperience with AI products and tools.Knowledge of ETL pipelines or managing large-scale data.Background in fast-paced startup environments with product-led growth.Familiarity with the tax, accounting, or fintech sectors.Our Technology StackFrontend: React, Remix (React Router)Backend: Node.js, ExpressDatabase: MongoDB, PostgreSQL

Join Our Innovative TeamServal is at the forefront of revolutionizing enterprise operations through our AI-native automation platform. We specialize in developing intelligent agents that comprehend and execute real-world workflows seamlessly, replacing outdated manual processes and inflexible legacy systems with dynamic, learning software solutions. Established in 2024, we are proud to be trusted by industry leaders such as General Motors, Notion, Vercel, and more, to streamline high-volume operational tasks across their organizations.At the heart of our operations is an agentic AI platform that converts natural language into efficient, production-grade workflows. Our agents go beyond mere response mechanisms; they engage in reasoning, execute actions across various systems, and continually enhance their capabilities with use. Initially focused on operational tasks, our platform has swiftly expanded to serve diverse functions including IT, HR, Finance, Security, Legal, and Engineering.Our mission is to eradicate repetitive, manual tasks and empower teams through intelligent automation. Ultimately, we aim to construct a universal AI operations layer—a network of agents that integrates with business functions to drive seamless workflows and propel modern companies forward.Position OverviewAs the Senior IT Engineer at Serval, you will be pivotal in developing and refining our internal IT capabilities, utilizing our own ITSM platform as your primary toolkit. Your role will involve leading infrastructure projects and ensuring smooth daily operations as our company scales. This is a full-time, onsite position in San Francisco (5 days/week).This role transcends traditional IT responsibilities; it’s an opportunity to shape the future of IT service management. You will actively test our platform in production environments and provide valuable operational insights to our Product and Engineering teams. Your on-the-ground experiences will directly influence how our product serves IT professionals globally.

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 dynamic team at plain as a Support Engineer, where you'll play a crucial role in ensuring our customers receive exceptional assistance and support. In this position, you will troubleshoot technical issues, provide solutions, and enhance user satisfaction. If you're passionate about technology and helping others, we want to hear from you!

About Vooma Vooma is building automation-focused enterprise software, moving beyond traditional systems of record. The team develops LLM-powered agents and orchestrators that handle complex business tasks alongside people, aiming to boost autonomy and efficiency in daily operations. The company’s current mission centers on creating an AI orchestration platform tailored for the US trucking industry, which moves over $800 billion in goods each year. Although trucking is essential to the economy, much of logistics still relies on manual work, making it a strong fit for AI-driven solutions. Vooma’s products help shippers, freight brokers, and trucking companies win more business and manage freight operations more smoothly. AI agents automate critical workflows across voice, email, and SMS, supporting the full load lifecycle. Vooma is backed by Index Ventures, Craft Ventures, Y-Combinator, and leaders from the logistics sector. Role Overview: AI Engineer The founding team is looking for an AI Engineer to help train and refine advanced models for real-world use. This role focuses on applied AI, where new capabilities are transformed into reliable, high-performing systems that make a measurable difference. Success in this position comes from a strong grasp of model behavior and a talent for building systems that improve through structured data feedback loops. The right person enjoys rapid deployment, learning from real-world usage, and iterating toward highly effective solutions. Location This role is based in Vooma’s San Francisco office.

HUD builds infrastructure for generating and evaluating reinforcement learning (RL) training data for advanced AI agents. The team is also developing a marketplace to connect leading labs with high-quality training data. HUD's platform serves frontier labs, Fortune 500 companies, and startups. The company is backed by $15M in funding from top venture capital firms and is part of Y Combinator's W25 cohort. Role overview HUD is seeking Research Engineers in San Francisco to help strengthen quality assurance for training data produced by partner organizations. This position centers on building systems that maintain and improve data quality as demand increases. What you will do Set and uphold quality standards for training datasets. Develop tools and workflows for auditing datasets from suppliers, including sampling methods, validation pipelines (using rules and models), and feedback systems. Assess and refine human-in-the-loop review processes to support quality assurance. Collaborate with data vendors to resolve quality issues, share insights, and encourage better data generation practices. Integrate QA findings into internal tools and the data vendor portal to reduce anomalies, inconsistencies, and edge cases. Requirements Strong skills in Python, Docker, and Linux environments. Experience working with large datasets. Ability to learn quickly and adapt in technical contexts, such as programming competitions. Background in early-stage tech startups and ability to work independently. Familiarity with modern AI tools and large language models (LLMs). Clear communication skills for collaborating remotely across time zones. Preferred qualifications Understanding of common issues in training data. Background in building data validation pipelines or human-in-the-loop review systems. Strong attention to detail, with the ability to identify subtle data inconsistencies or edge cases. Experience designing metrics, experiments, and QA processes, not just executing them.

About the Role Stripe is building technology that supports businesses worldwide. The San Francisco engineering team is looking for a Software Engineer to help improve our platform and deliver new features for our customers. What You Will Do Collaborate with other engineers to design and build new systems Enhance existing products and infrastructure Contribute ideas to improve the Stripe platform Location This position is based in San Francisco, California.

About BleeAt Blee, we are revolutionizing traditional workflows that often rely on spreadsheets and emails by developing AI-first software that integrates the entire organization to meet compliance requirements swiftly, comprehensively, and transparently. Currently, we support thousands of active users across numerous enterprise-grade clients with pledged or paid long-term contracts. Our leadership team comprises former professionals from renowned companies such as Adobe, Chime, PayPal, AWS, Wachtell, Harvard Law, and Columbia Law.We have created the first platform specifically designed to tackle the distinct challenges our clients encounter from start to finish. The ideal candidates for Blee are not only adept problem solvers but are also excited about uncovering the specific issues our users need addressed, many of whom are experiencing a product like Blee for the first time.Our headquarters is located in downtown San Francisco, with a new office opening in NYC soon, and our team is primarily distributed between the Bay Area and New York City.The RoleAs an AI Engineer specializing in agent system design, you will architect and implement cutting-edge intelligent compliance systems. Your responsibilities will include designing frameworks where multiple agents—powered by both custom and foundational models—collaborate to identify, monitor, and elucidate compliance flags. Additionally, you will construct and enhance applied AI/ML pipelines, fine-tune models, develop evaluation frameworks, tailor AI configurations for customers, and train models based on user feedback to deliver more precise compliance recommendations.What You'll DoDesign Multi-Agent Systems – Develop and implement frameworks that combine foundational LLMs and custom-trained models to drive intelligent compliance workflows.Optimize AI/ML Pipelines – Focus on model fine-tuning, prompt engineering, and establishing evaluation frameworks.Ensure Explainability and Traceability – Create systems for transparent flagging, ensuring that each compliance flag can be traced back to previous rules, examples, or data assets.Automate Compliance Rule Translation – Develop platforms that convert compliance rules into agent-ready logic paths.Train and Fine-Tune Models – Enhance compliance accuracy and adaptability by leveraging user feedback and outcomes data for iterative training and personalization.

This Security Engineer role at Superhuman Platform Inc. is based in San Francisco and follows a hybrid work model. The schedule blends focused individual work with regular in-person collaboration, supporting strong team relationships and encouraging innovation. Role overview Superhuman seeks a Security Engineer to help protect the trust of millions of users. The position centers on collaborating with partners to identify and deliver projects that strengthen security and reduce risk across Superhuman’s products, platform, and IT systems. As Superhuman’s suite of AI productivity tools grows, the technical landscape becomes more complex, offering opportunities to solve new challenges and influence the product roadmap. Insights into the engineering team can be found on the technical blog. What you will do Design and implement secure-by-default architectures to make it easier for developers to build securely across Superhuman’s ecosystem. Lead the adoption of AI and automation in security, including automated threat detection and AI-assisted code reviews and vulnerability analysis. Translate security requirements into actionable roadmaps that align with business objectives, supporting both technical and non-technical teams. Balance security best practices with product innovation, ensuring risk is addressed throughout the development process. Learn more about Superhuman’s mission and values at superhuman.com and review the company’s values here.

Coframe seeks an Integrations Engineer to join the team in San Francisco. This position focuses on connecting the Coframe platform with a range of tools customers rely on, including customer data platforms, analytics suites, CRMs, advertising systems, reporting solutions, and task management apps. Most team members work together in person from the San Francisco office. Responsibilities Develop and maintain integrations with analytics, CRM, CDP, advertising, reporting, and workflow tools. Design public APIs and systems to expand the Coframe ecosystem. Create onboarding and setup processes that help customers get started quickly. Build tools for event debugging, identity handling, data synchronization, and implementation troubleshooting. Enhance reliability, monitoring, and observability across integrations. Collaborate directly with customers on complex technical integrations. Transform repetitive implementation work into scalable product features. Requirements Deep understanding of the MarTech landscape and hands-on experience with growth tools. Strong debugging skills across web applications, APIs, data streams, and identity management systems. Clear communicator who works well with both customers and internal teams. Comfortable managing shifting priorities and new requests as they arise. Experience using AI engineering tools to build, maintain, and validate integrations. Proactive approach and ability to work across multiple systems. Solid product sense, especially regarding developer experience and onboarding flows. Benefits Unlimited paid time off for work-life balance. Comprehensive medical, dental, and vision coverage for employees and their families. Life insurance and disability benefits. 401k plan with matching contributions. Meals provided in the office. Included gym membership.