Perception Sensor Validation Engineer

Are You Prepared for a Challenge?CAI is a leading professional services firm founded in 1996, boasting a global workforce of nearly 800 dedicated professionals. We specialize in delivering crucial solutions for mission-critical and regulated industries, ensuring operational readiness and exceptional performance through our rigorous methodologies, proven processes, and elite expertise cultivated over three decades.Our Mission We are dedicated to being the trusted partner for our clients as they work towards creating an improved working environment and enhancing the human experience.Our Core Values- At CAI, we are committed to upholding our values in both professional and personal settings:- Integrity in all our actions- Commitment to supporting one another- Responsibility towards society- Forward-thinking in our efforts- Relentless pursuit of excellence, challenging norms and setting new industry benchmarks. Our strength lies in the harmonious blend of wisdom, technology, and humanity—focusing on how things will be done, not how they used to be done.Key Responsibilities1. Technical Responsibilities- Create and maintain documentation for CQV activities- Develop and execute protocols (including field verification)- Generate summary reports during client engagements2. Focus Areas- Pharmaceutical facilities- Utility systems- Equipment management3. Project & Team Oversight- Organize and manage project workflows- Lead small teams in documentation development and executionQualifications and Experience- Bachelor's degree in a scientific or engineering discipline (or equivalent professional experience)- 2–4 years of experience in commissioning and qualification within a regulated environment- Familiarity with ISPE Baseline Guide 5 (Second Edition) is an advantage- Preferred experience in:- Startup of facilities and equipment- Conducting walk-downs and troubleshooting- Utility systems (WFI, RO, HVAC)- Upstream/downstream processing- Purification and recovery processes- Building automation systems- Pharmaceutical manufacturing methodologiesCritical CompetenciesInfluence Strategy- Aligns initiatives with organizational strategy- Identifies and proposes innovative, strategic solutions- Anticipates and responds to emerging customer and market needsCustomer Satisfaction- Understands and addresses customer requirements- Delivers top-tier solutions and services- Proactively fosters customer satisfaction and loyaltyPlanning for Success- Aligns business strategies with operational objectives

Join our innovative team at greptile, where we are developing cutting-edge agents that autonomously validate code changes. Our advanced AI technology reviews pull requests on GitHub, identifies bugs, and enforces coding standards. Currently, we are analyzing nearly 1 billion lines of code monthly for over 3,000 companies.Exciting Challenges AheadCan we create agents that learn coding standards as intuitively as a new hire might absorb them?How can we optimize PR feedback based on each customer's preferences, possibly utilizing sample-efficient reinforcement learning?Is it possible to autonomously deploy feature branches and utilize agents to rigorously test applications, identifying potential bugs?Growth and VisionServing over 7,000 customers and counting.Secured $30 million in funding from top-tier investors like Benchmark, Y Combinator, and Initialized Capital.Our TeamOur team is composed of highly skilled individuals who have previously scaled essential functions at renowned companies such as Stripe, Google, and Figma.Your Responsibilities:Tackle complex challenges, including LLM memory, multi-language codebase indexing, and semantic search for expansive codebases.Design, implement, test, and deploy comprehensive features.Gather user feedback to refine and enhance features.

At greptile, we are pioneering the development of autonomous agents to validate code changes seamlessly. Our current focus is on artificial intelligence that reviews pull requests on GitHub, identifying bugs and ensuring adherence to coding standards. We currently analyze nearly 1 billion lines of code each month for over 3,000 companies.Challenges We Are Passionate AboutCan we create agents that absorb coding standards through experience, similar to how a new hire learns?How can we tailor feedback on pull requests for each customer using sample-efficient reinforcement learning to enhance the signal-to-noise ratio?Can we autonomously deploy feature branches and utilize agents to rigorously test applications and discover hidden bugs?Our Growth PathWe proudly serve over 7,000 customers.Our funding totals $30 million, backed by notable investors such as Benchmark, Y Combinator, Paul Graham, and Initialized.Our TeamOur team is comprised of highly skilled professionals with experience scaling vital functions at industry leaders like Stripe, Google, and Figma.Key ResponsibilitiesLead and execute critical engineering projects that drive growth, from opportunity identification to launch and iterative improvement.Design and conduct experiments covering the entire user journey, including the marketing website, onboarding processes, and product interactions.Collaborate closely with product and growth teams to define ideas and deliver high-quality, production-ready implementations.Establish and manage core analytics and attribution frameworks, including event tracking, dashboards, and reporting that inform decision-making.Set and monitor clear success metrics (e.g., activation, conversion, retention) and leverage data to refine strategies.Work across the technology stack (frontend, backend, and data) to implement practical solutions that significantly impact key metrics.Balance rapid experimentation with higher-stakes projects, taking ownership of technical execution in all scenarios.

About CheckrCheckr is revolutionizing the data platform landscape to ensure safe and equitable decision-making. Founded in 2014, Checkr's cutting-edge technology and extensive data platform empower clients to evaluate risk and maintain safety and compliance, fostering trusted workplaces and communities. With over 100,000 satisfied customers, including industry leaders like DoorDash, Coinbase, Lyft, Instacart, and Airtable, we are committed to innovation and excellence.Our team thrives on tackling complex challenges with creative solutions that further our mission. Recognized on the Forbes Cloud 100 2025 List and named a Y Combinator 2024 Breakthrough Company, Checkr is a place for engineers to flourish.As a Software Engineer II at Checkr, you will engage in high-impact engineering projects aimed at creating a fairer future. You will collaborate within a suite of microservices built on Ruby and JavaScript, utilizing both SQL and NoSQL databases, along with message queues for asynchronous processing. Checkr is founded by engineers for engineers, and we strive to cultivate the best environment for developers to innovate, learn, and enjoy their work.

Join our innovative team at Lever as we redefine the hiring landscape! Lever, recognized as the #1 workplace in San Francisco and a top employer in the U.S., is on the lookout for talented individuals to help us build next-generation hiring software used by industry giants like Netflix, Shopify, and Spotify. Although this posting is for testing purposes only, our commitment to fostering a people-first culture remains strong. We believe in investing in our employees—our most valuable asset—and are proud of the vibrant community we've created.

Join Server Robotics as a Senior Systems Verification & Validation Engineer, where you will play a pivotal role in ensuring the integrity and performance of our cutting-edge robotic systems. In this position, you'll be responsible for designing, implementing, and executing verification and validation strategies that guarantee our products meet the highest standards of quality and reliability.

Flexport is seeking a Software Engineer I based in San Francisco, California. This is an entry-level role focused on building and enhancing software platforms that drive global logistics. The position involves close collaboration with other engineers and teams to deliver features and solutions that have a real impact. What you will do Write and contribute code for projects that support Flexport’s logistics operations Partner with cross-functional teams to design and implement new features Work to improve the reliability and performance of existing software systems Who we’re looking for Early-career software engineers with an interest in logistics technology Collaborative team members who enjoy problem-solving with others Individuals eager to learn and develop skills in a hands-on engineering environment

Role overview The City and County of San Francisco is seeking an Associate Engineer to join the Environmental department. This position plays a part in citywide efforts to improve public health and meet sustainability targets. The work centers on supporting projects that benefit the community and the environment. What you will do Assist with planning, designing, and carrying out environmental initiatives Collaborate with colleagues on projects that make a direct impact in San Francisco neighborhoods Contribute to efforts that promote public health and advance sustainability throughout the city Location This role is located in San Francisco.

The City and County of San Francisco seeks a Senior Stationary Engineer to help operate and maintain stationary engines and mechanical systems in city facilities. This full-time position plays a key role in keeping heating, cooling, and power systems running smoothly for the community. What you will do Operate and maintain stationary engines and related equipment in municipal buildings Monitor system performance to keep heating, cooling, and power operations efficient Handle both routine and emergency maintenance tasks as they come up Work closely with colleagues to ensure continuous city services Requirements Solid understanding of mechanical systems and stationary equipment Dedication to safety and sustainable work practices Ability to contribute effectively within a team Experience supporting building infrastructure operations Location This role is based in San Francisco.

Join Plaud as a Backend Engineer and be part of an innovative team driving the future of technology. You will design, develop, and maintain scalable backend systems that enhance our product offerings and improve user experiences. This is an exciting opportunity to work with cutting-edge technologies and collaborate with talented professionals in a fast-paced environment.

Join our innovative team at Lever, where we are redefining the hiring process for some of the world's leading companies!PLEASE NOTE: This is a testing job for Lever's environment - applications are not accepted for this position.With a decade of expertise, Lever addresses the critical challenge of attracting top talent. Our cutting-edge hiring software is trusted by industry giants such as Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify. We are proud to be recognized as the #1 workplace in San Francisco and a top employer across the nation. Our culture thrives on the strength of our team, and we are committed to fostering our people-first ethos as we continue to grow.THE OPPORTUNITYAs a Senior Software Engineer, you will play a pivotal role in expanding our core product by creating impactful, user-centric features. You will collaborate with product managers and designers, spearheading the implementation and launch of significant features while advocating for best practices in code organization and testing. You will become adept with our real-time web stack UI frameworks, ensuring we deliver exceptional quality to our clients.Your responsibilities will encompass the design and implementation of scalable, resilient features, tackling challenges such as the intricacies of real-time, single-page applications, optimizing backend services for high loads, and developing innovative search algorithms. You will be a catalyst for positive transformation in Lever’s engineering culture, processes, and technologies.THE TEAMJoin a collaborative team dedicated to enhancing their understanding of infrastructure and system resilience. Our supportive environment encourages peer feedback and teamwork to overcome challenges. We are enthusiastic about automation, friendly chatbots, and crafting excellent hiring experiences, and we cherish sharing these passions with one another.Discover our team's values and why we love working at Lever here.

Join the San Francisco Public Library as a Stationary Engineer. Under general supervision, you will operate, maintain, troubleshoot, and repair various pumping, heating, ventilating, air conditioning, refrigeration, and auxiliary plant machinery and equipment across Library locations, including the Main Library, 27 branch libraries, and two support facilities. Your role will ensure all equipment and systems operate efficiently and safely while adhering to applicable safety standards.Key Responsibilities:Operate, maintain, and repair a diverse range of mechanical systems, ensuring safe and efficient functionality, potentially using computerized building management and maintenance systems.Conduct thorough inspections of machinery and equipment, ensuring compliance with safety protocols and operational efficiency.Maintain accurate logs of operational data, including gauge readings and water quality analyses, to uphold preventative maintenance standards.Manage the safe storage and handling of treatment chemicals, including potential hazardous materials, ensuring compliance with safety regulations.Communicate effectively with contractors, building tenants, and the public to fulfill your duties.Ensure security of the facilities and respond to emergencies as part of the response team.Perform control tests on water samples to maintain water quality and compliance with State regulations, including conducting water analysis as required.

Role overview Thunes seeks an IT Engineer in San Francisco to support the technology foundation of its international business. This position centers on designing, implementing, and maintaining IT infrastructure and systems that enable daily operations. What you will do Design and implement IT infrastructure that aligns with business requirements Maintain and troubleshoot systems supporting global operations Collaborate with teams throughout the company to enhance service delivery and system performance Location This role is based in San Francisco, California, United States.

About Flow EngineeringFlow Engineering is at the forefront of revolutionizing how humanity constructs its most intricate machines. Our platform is the premier tool for complex systems engineering, embraced by pioneering teams in sectors such as aerospace, defense, automotive, aviation, and robotics. If a company is aiming for the Moon, developing fusion energy, or planning the first interplanetary settlement, they are likely utilizing Flow Engineering to achieve those ambitious goals.We are proudly backed by Sequoia Capital, with notable angel investors including Patrick and John Collison (Stripe), David Helgason (Unity), and Kyle Parrish (Figma).About the RoleAs one of our pioneering Forward Deployed Engineers, you will operate at the crucial intersection of sales, engineering, and customer engagement. Your role involves comprehending how advanced hardware teams operate, guiding deployments, and facilitating adoption, ensuring that our customers are equipped with the insights and tools necessary to attain significant results.This position is perfect for individuals who have a background in hardware engineering and have a passion for collaborating with customers to solve complex challenges. You will empower leading hardware companies to transform their operational methodologies.What You’ll DoOwn the Technical Win: You will play a vital role in the sales process, driving custom demos and managing trial/POC execution, which is critical for securing new business for Flow Engineering.Understand and Map Customer Workflows: Collaborate with clients to gain a comprehensive understanding of their workflow, address pain points, and prioritize solutions tailored to their needs.Conduct Technical Enablement Sessions: Identify and showcase how Flow can enhance the customer’s development process through workshops, training, and collaborative solution sessions.Shape Our Roadmap: Act as the liaison between our customers and the engineering team to develop innovative solutions. Your insights will be essential in crafting the future roadmap of our product.Establish the GTM Foundation: Assist in developing and defining Flow’s activation strategies for key customers. You will contribute to the design of our technical GTM playbook, implementation guides, and training materials for future team members.About YouSolid Software Engineering Fundamentals: Proficient in designing, testing, and operating services at scale within a cloud environment.Excellent Communication Skills: Ability to convey technical concepts effectively to both technical and non-technical audiences.Customer-Centric Focus: Passionate about collaborating with customers and driven to solve their challenges.Proactive Problem-Solving: Ability to anticipate and address customer needs before they arise.

About HyperspellHyperspell is revolutionizing the Memory & Context Layer for AI Agents.AI agents are brilliant yet lack context.While AI agents excel in standardized testing, they struggle with real-world applications. Today's cutting-edge agents lack the contextual understanding that humans naturally acquire through diverse interactions. This context evolves with their tasks.Hyperspell empowers AI agents with contextual awareness by integrating with users' workspace data, creating a tailored memory and context layer.Our ValuesWe are committed to shaping the future through bold innovations. Our goal is to establish ourselves as the indispensable context layer for organizations, enabling all their AI agents to connect seamlessly. We embark on this journey not because it is easy, but because it is significant.We prioritize care — for our customers, their success, the future of AI, and most importantly, for one another. As we build the frontier of AI, we strive to be one of the most technologically advanced yet profoundly human companies in history — a place where we can enjoy shaping the future together.Our InvestorsOur vision is supported by esteemed investors such as Y Combinator, Afore Capital, Scribble Ventures, and Pioneer Fund. Our angel investors include leading figures from OpenAI, Anthropic, xAI, and DeepMind, alongside respected founders from Silicon Valley like Siqi Chen (Runway) and Julian Weisser (On Deck).Our FoundersFounded in 2024 by Conor Brennan-Burke and Manu Ebert, Hyperspell is driven by experienced leaders. Conor previously spearheaded growth at Checkr, overseeing a $30 million API product portfolio and earning the title of 'the most helpful founder in YC'.Manu brings over 15 years of expertise in machine learning and AI, having successfully sold two companies and led high-growth engineering teams at Airbnb. Interestingly, he acquired his first .ai domain in 2014, needing to send a fax to the domain authority in Anguilla to do so.About the RoleAs our founding platform engineer, your mission will be to construct the infrastructure that makes Hyperspell feel magical — swift, dependable, and effortlessly scalable. You will be responsible for the foundation upon which our entire product is built, ensuring that when customers entrust us with their data, we uphold their trust.

About daydreamAt daydream, we are revolutionizing the SEO landscape by developing the world's most advanced SEO agent, complemented by a team of top 1% human experts. Our goal is to manage organic search intricately, freeing our clients from the burdens of hiring specialized teams, evaluating multiple tools, or managing external agencies.In today's competitive environment, excelling in search demands the production of expert-level content at scale, alongside constant adaptation to shifts in ranking systems and user behavior. Traditional tools merely provide metrics without actionable insights, while agencies rely on cumbersome manual workflows that fail to generate compounding growth. Even well-resourced teams often find it challenging to translate sustained efforts into consistent results.daydream simplifies this landscape by consolidating fragmented tools and external vendors into a single coherent system that continuously plans and executes SEO strategies. Our SEO agent takes charge of analysis, planning, and content generation, while seasoned Growth Leads translate this work into actionable outputs—shipped pages, technical adjustments, and updated priorities—holding accountability for performance over time.We have successfully raised over $20M from notable investors including First Round Capital, Basis Set Ventures, WndrCo, and SOMA Capital, and our growth is supported by industry leaders from Notion, Airtable, Webflow, and Dropbox, such as Lenny Rachitsky and Eli Schwartz, author of Product-Led SEO.The TeamYou will collaborate closely with a dedicated, senior team across engineering, design, and growth:Shravan (CTO), who previously served as an Engineering Lead at Flixed and a Software Engineer at Facebook, focusing on large-scale web scraping for Facebook Jobs and Meta Reality Labs.Vishruth (Founding Applied AI Engineer), a former Data Scientist at Klaviyo specializing in NLP, with a robust research background from Cornell.Daniel (Founding Applied AI Engineer), who previously worked as a Data Engineer on Tesla’s Autopilot team, specializing in large-scale data systems and applied machine learning, and was formerly the Lead Data Engineer at Replit.Tom (Founding Designer), who led product design at Blockless and plays a significant role in UI engineering.You will also interact directly with Growth Leads, senior SEO practitioners who manage the system daily and provide invaluable feedback on AI performance in real-world applications.Your ImpactIn your role as a Staff Engineer at daydream, you will provide vital technical leadership across the product while remaining deeply engaged in hands-on execution. You will closely collaborate with the CTO to define system architecture, guide project execution, and elevate quality standards throughout the engineering organization.

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

Join a pioneering team of former Google engineers who have developed ground-breaking defensive technologies, such as Safe Browsing and reCAPTCHA. We are on a mission to confront an urgent challenge: combating the rising tide of adversarial AI attacks that threaten organizations globally.Operating in stealth mode, we are targeting a lucrative $5B+ market that is primed for innovation. Conventional detection methodologies are proving inadequate against the speed and sophistication of AI-driven assaults. Current adversaries are leveraging AI to engineer tailored, high-evasion attacks, leaving traditional systems vulnerable.Your Role:You will design a network of AI agents that are rapid, cost-effective, and precise, collaborating to identify and neutralize emerging threats. Your work will dive deep into real-time threat data, continuously evolving your agents in a fast-paced environment. These agents will function under an orchestration layer that fosters quick adaptation and learning.The Excitement of the ChallengeRapidly Evolving Models: The landscape changes daily; solutions that worked yesterday may be outdated today.Intelligent Adversaries: We are engaged in a real-time arms race against cunning, AI-enhanced attackers crafting sophisticated payloads.No Existing Playbook: We are forging new detection paradigms as swiftly as threats evolve. This high-stakes work places you in the heart of the action from day one.If you thrive on solving challenging problems with rapid feedback, this is your opportunity.Why We Are Positioned to SucceedExpansive Market: The market is vast at $5B and expanding quickly, while established players struggle to adapt.Proven Track Record: Our team has previously developed the foundational technology for Safe Browsing (serving over 5B users) and reCAPTCHA (protecting more than 5M websites) during our time at Google.Experienced Team: This is our third endeavor in creating a category-defining security enterprise, and we know how to scale our technology and our organization effectively.Deeply Integrated AI and Security: We embed AI from the outset rather than layering it on top.Top Talent: We hire only the highest achievers; many on our team were in the top 1% of engineers at Google. If you excelled in your previous role, you will fit right in.Agility: We prioritize speed and efficiency in everything we do.

Social Worker - San Francisco CountyCompetitive Starting SalaryBachelor's Degree: $58,083 - $69,700Master's Degree: $64,008 - $76,810Are you driven to create meaningful change and engage in work you are passionate about?At GGRC, we are dedicated to empowering individuals with intellectual and developmental disabilities to live fulfilling lives filled with liberty and opportunity. We are currently seeking compassionate and skilled Social Workers to join our dynamic team in our San Francisco office.Work Environment:This position offers a hybrid work schedule, allowing you to work with clients in their homes across San Francisco County, from our San Francisco office, or remotely from your own home.Your Responsibilities:As a Social Worker under the guidance of a Supervising Social Worker, you will leverage Person-Centered practices to assess the needs of individuals with developmental disabilities and their families. You will be responsible for developing and implementing Individual Program Plans, coordinating essential services, and managing a diverse caseload that requires the expertise of a trained social worker. This includes creatively planning to seek and acquire various services for those you support.You will meet with individuals in their communities or residences to design and refine their Individual Program Plans, assess their needs, identify barriers to achieving developmental goals, and ensure proper regional center funding is initiated and managed. You will also prepare necessary documentation and maintain records in compliance with federal and state standards.In your advocacy role, you will support individuals and their families in accessing their entitled services and rights while encouraging active participation in utilizing available community resources. Furthermore, you will initiate referrals, monitor the progress of services, and work towards identifying and addressing gaps in community service needs.You may also be tasked with providing intake and outreach services and participating in internal and community committees as assigned.