NewSenior Sales Engineer JobotSenior Sales EngineerPleasanton, CA$300,000–$330,000 / yearThe founding team includes senior leaders and technical pioneers from industry giants like AWS, Cisco, VMware, and Gigamon - holding dozens of patents and having built critical systems at some of the most respected tech companies in the industry. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Epic Integration Engineer AgreeYa SolutionsEpic Integration EngineerOakland, CA$65–$68 / hourContractorThis role requires strong expertise in healthcare interoperability, HL7 messaging, and interface engine technologies to ensure seamless data exchange across clinical and business systems. The ideal candidate will be responsible for designing, developing, implementing, and supporting integrations between Epic and third-party healthcare applications.
Supplier Quality Engineer Raas Info Solutions Pvt LtdSupplier Quality EngineerFremont, CA$50–$54.99 / hourContractorThe role involves evaluating thermal/mechanical designs, supplier manufacturing capability, reliability test reports, and process quality to ensure products meet performance, manufacturability, serviceability, and compliance requirements. Job Summary: Responsible for supplier quality management of data center rack systems and advanced cooling solutions.
DevOps Platform Development Engineer (Bilingual Mandarin) ComriseDevOps Platform Development Engineer (Bilingual Mandarin)Palo Alto, CA$150,000–$240,000 / yearFull timeCollaborate closely with platform engineering teams in China as well as overseas infrastructure, networking, security, and business teams to manage implementation schedules, dependencies, and risks, while providing feedback to improve platform capabilities for international deployment scenarios. Participate in the day-to-day operations and incident response of overseas production environments, quickly troubleshoot deployment, infrastructure, and platform integration issues, and drive root cause analysis and long-term corrective actions.
NewSenior Backend Engineer JobotSenior Backend EngineerSan Carlos, CA$100,000–$160,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is a permanent position with a competitive compensation package and the opportunity to work with a team of dedicated professionals who are passionate about leveraging technology to drive scientific discovery and innovation.
NewSenior Controls Design Engineer (HVAC / Building Automation) JobotSenior Controls Design Engineer (HVAC / Building Automation)San Jose, CA$120,000–$150,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role blends hands-on system design with mentorship, helping guide junior engineers while collaborating across project teams to deliver high-performance HVAC control solutions.
Hardware Lab Engineer TeleWorld SolutionsHardware Lab EngineerSanta Clara, CAWith the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. TeleWorld Solutions is a strategic wireless engineering and consulting firm offering network operators, OEMs, and tower companies’ turnkey design, optimization, network dimensioning, and deployment services.
Mechanical Design Engineer - Commercial HVAC JobotMechanical Design Engineer - Commercial HVACAlameda, CA$55–$75 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Field Integration: Provide support during construction with activities like submittal reviews, resolving RFIs, and participating in site assessments to ensure smooth project execution.
NewMechanical Engineer-HVAC OR Plumbing JobotMechanical Engineer-HVAC OR PlumbingAlameda, CA$100,000–$180,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. 2. Use advanced software such as AutoCAD, Trace 700, Revit, SolidWorks, etc., to create detailed 3D models and technical drawings of mechanical systems.
Software Engineer - Sr Consultant level Visa Technology and Operations LLCSoftware Engineer - Sr Consultant levelFoster City, CA$169,100–$270,800 / yearYou will work on innovative solutions that combine deep technical expertise with AI/ML capabilities to enhance developer productivity, improve customer experiences, and drive next-generation commercial payment and money movement technology for B2B, B2C, P2P, and G2C flows. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Project Engineer - Commercial HVAC JobotProject Engineer - Commercial HVACAlameda, CA$95,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. actual performance, preparing and tracking submittals, coordinating pre‑construction handoffs with field and estimating teams, and contributing to business development, estimating, bidding, and project negotiations as required.
NewProject Engineer JobotProject EngineerEmeryville, CA$90,000–$115,000 / yearThe successful candidate will be involved in a diverse range of construction projects, working closely with project managers, architects, and other engineers to ensure the smooth and successful completion of construction projects. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewManufacturing Test Development Engineer JobotManufacturing Test Development EngineerSunnyvale, CA$95,000–$200,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking an experienced Manufacturing Test Development Engineer to design, develop, and deploy manufacturing test solutions for complex, high‑performance hardware systems, from PCB and PCBA through full system‑level test.
NewStaff Software Engineer, Crypto Program Visa Technology and Operations LLCStaff Software Engineer, Crypto ProgramFoster City, CA$146,200–$233,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base.
Senior Staff Engineer, AI Governance Visa Technology and Operations LLCSenior Staff Engineer, AI GovernanceFoster City, CA$192,200–$307,700 / yearExperienced with high-performance imperative languages including Python, Java, Golang, React.js, Next.js • Built predictive models using Python and ML libraries and managed their lifecycle, from development to production. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Lead Software Engineer, Middleware Reliability Engineering Visa Technology and Operations LLCLead Software Engineer, Middleware Reliability EngineeringFoster City, CA$192,300–$307,600 / yearFamiliarity with AI/ML frameworks and chatbot integrations for operational automation Middleware Expertise • Understanding of middleware technologies (Message Queues, Service Bus, API • Gateways) • Experience with application servers (Tomcat, JBoss, WebSphere) • Knowledge of integration platforms and their deployment patterns • Proficiency in troubleshooting and performance optimization Education • Bachelor's or Master's degree in Computer Science or related field, or equivalent experience • We value hands-on experience and continuous learning over specific degrees. • Solid understanding of Linux/Unix systems, networking protocols, certificate management, secret management, system design, cloud platforms (AWS, • Azure, GCP), and containerization (Kubernetes, Docker • Proficiency with monitoring tools (Prometheus, Grafana, Datadog, etc.), logging systems (ELK stack, Splunk), and tracing tools (Jaeger, Zipkin).
NewStaff Systems Engineer, Microsoft Teams Visa Technology and Operations LLCStaff Systems Engineer, Microsoft TeamsFoster City, CA$131,600–$233,700 / yearAs a Microsoft Teams Staff Systems Engineer, you will own the end‑to‑end deployment, optimization, and evolution of the Teams environment, including meetings, chat, channels, voice, platform integrations, security, device integration, and space booking capabilities. Maximize AI and agentic automation opportunities across Microsoft Teams and the broader Microsoft 365 platform, including Copilot, Graph‑based automation, workflow intelligence, meeting and communication insights, and next‑generation collaboration agents.
NewData Engineer - Sr. Consultant level Visa Technology and Operations LLCData Engineer - Sr. Consultant levelFoster City, CA$169,100–$270,800 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Masters, MBA, JD, MD) or 2 years of work experience with a PhD Preferred Qualifications • 9 or more years of relevant work experience with a Bachelor Degree or 7 or more relevant years of experience with an Advanced Degree (e.g.
Staff Data Engineer Visa Technology and Operations LLCStaff Data EngineerFoster City, CA$146,200–$233,700 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.
Lead Software Engineer Visa Technology and Operations LLCLead Software EngineerFoster City, CA$192,300–$307,600 / yearVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. Essential Functions Provide deep technical leadership within Shared Services Product Development, with a strong understanding of how shared platforms enable downstream product innovation.
NewCyber Security Engineer - Sr. Consultant level Visa Technology and Operations LLCCyber Security Engineer - Sr. Consultant levelFoster City, CA$180,600–$289,300 / yearThe ideal candidate is a strong security engineer and problem solver with deep experience in Python‑based services, cloud security engineering, API‑driven architectures, and automation, and who is excited to apply GenAI and autonomous agent technologies to modern security challenges. Visa’s Cyber Security team is seeking a Cyber Security Engineer to design, build, and operate large‑scale, cloud‑native and AI‑driven security platforms that protect Visa’s global brand, networks, products, and data.
Staff Machine Learning Engineer, Responsible AI Engineering Visa Technology and Operations LLCStaff Machine Learning Engineer, Responsible AI EngineeringFoster City, CA$169,100–$270,800 / yearAs an AI Engineer in AI Governance engineering team, you will have the unique chance to make a direct and meaningful impact by building and delivering solutions that power AI Governance engineering solutions. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
Project Engineer-HVAC or Plumbing JobotProject Engineer-HVAC or PlumbingSan Jose, CA$100,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be responsible for managing a variety of commercial plumbing projects from start to finish, ensuring they are completed on time and within budget.
NewPrincipal Automation Engineer - Contract TalentBurst, Inc.Principal Automation Engineer - ContractNewark, CA$80–$90 / hour8 years of relevant industry experience and practical experience with Client (Siemens Desigo CC is strongly preferred) and PLCs including administration, programming, data handling, and interfaces. Demonstrated ability to develop requirements, scope, budget, timelines and manage automation projects including new and upgrades to automated computer systems.
NewLead Engineer, Embedded Software - Direct Placement TalentBurst, Inc.Lead Engineer, Embedded Software - Direct PlacementFremont, CA$180,000–$200,000 / yearFollow rigorous design control methodology and write concise requirements specification, architecture specifications, and design description, verification plans, and test cases, based on regulatory requirements. They will perform system analysis, identify improvements and root causes, debug and optimize algorithms, and design Client solutions as well as maintain the current code base.
NewSenior Substation Project Engineer CYNET SYSTEMSSenior Substation Project EngineerOakland, CA$86–$91 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Network DevOps Engineer Epitec StaffingNetwork DevOps EngineerPalo Alto, CASummary Our client is seeking a hands-on Network DevOps Engineer to support network automation, cloud infrastructure deployment, and multi-cloud connectivity initiatives across a large-scale enterprise environment. The ideal candidate enjoys solving complex infrastructure challenges, building automated solutions, and supporting highly available environments across multiple cloud platforms.
NewML Engineer CYNET SYSTEMSML EngineerSanta Clara, CA$55–$60 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewValidation Engineer 4 CYNET SYSTEMSValidation Engineer 4San Jose, CA$82–$87 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Senior AI/MLOPS Engineer CYNET SYSTEMSSenior AI/MLOPS EngineerPleasanton, CA$75–$80 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewTransmission Line Engineer CYNET SYSTEMSTransmission Line EngineerOakland, CA$82–$87 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewEnd point engineer - Contract TalentBurst, Inc.End point engineer - ContractPalo Alto, CAUnderstanding of the endpoint and identity considerations unique to AI tools: network allowlisting for LLM API endpoints, DLP policy tuning for AI-generated content, user provisioning workflows, and communicating rollout plans across IT, Security, and end-user teams. 1. Unified Endpoint Management (UEM) Daily Operations: Perform daily upkeep, system maintenance, and regular patch management for all managed endpoints to ensure security and stability.
NewSystem Engineer - Hardware support - Contract TalentBurst, Inc.System Engineer - Hardware support - ContractSanta Clara, CA$30–$32.37 / hourThe System Engineer's focus is on improving reliability and robustness of the sequencing and sample prep platforms through failure analysis, root cause investigations, troubleshooting and identifying and supporting implementation of solutions. Drawing on experience in systems, biochemistry, electrochemistry, electromechanical and/or materials science, the System Engineer will be part of the troubleshooting team and will be responsible for supporting the next generation sequencing system and the sample prep platform.
Database admin/Database Engineer Pinnacle Technical ResourcesDatabase admin/Database EngineerSunnyvale, California$75–$80 / hourContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
Test Engineer III Pinnacle Technical ResourcesTest Engineer IIICupertino,, California$52–$55 / hourContractorWe are seeking a skilled Test Engineer III to support regulatory Acoustics Software Requirements Specifications (SRS) testing for the Hearing Test Feature and Hearing Aid Feature. The specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment.
Electrical Engineer II Pinnacle Technical ResourcesElectrical Engineer IISanta Clara,, California$50–$52 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. This role involves working on cutting-edge technologies to design and develop advanced silicon anode materials for lithium-ion batteries, collaborating with cross-functional teams, and contributing to the scaling up of innovative materials and processes.
Product Design Engineer (III) Pinnacle Technical ResourcesProduct Design Engineer (III)Mountain View, California$95–$105 / hourContractorDemonstrate deep technical knowledge in multiple areas to deliver high-quality and reliable mass-production user or consumer products (e.g., sheet metal, machining, anodization, injection molding, coatings, raw materials, packaging, thermals, FEA). As a Product Design Engineer, you are considered a go-to expert in one area within Product Design, demonstrating engineering expertise through user- or consumer-focused product influence in multiple cross-functional areas.
Security Engineer III Pinnacle Technical ResourcesSecurity Engineer IIICupertino,, California$80–$90 / hourContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
Product Design Engineer II Pinnacle Technical ResourcesProduct Design Engineer IICupertino,, California$50–$60 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Client’s approach to packaging is unique, so we value people who are eager to learn new skills and further improve their knowledge of packaging design, manufacturing processes, and sustainable materials.
Production Specialist/Engineer II Pinnacle Technical ResourcesProduction Specialist/Engineer IICupertino,, California$50–$60 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Strong listening skills with the ability to interpret requests from creative and production teams, asking thoughtful clarifying questions when needed.
Software Engineer III Pinnacle Technical ResourcesSoftware Engineer IIICupertino,, CaliforniaContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The ideal candidate will bring a strong technical background, innovative problem-solving skills, and a passion for developing high-quality software solutions.
Mechanical Engineer III Pinnacle Technical ResourcesMechanical Engineer IIICupertino,, California$60–$65 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Provide design and tradeoff guidance to Product Design teams through early-stage simulations, particularly for fast charging and high-power functions.
Data Engineer II Pinnacle Technical ResourcesData Engineer IISunnyvale,, CaliforniaContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The ideal candidate will be responsible for designing, building, and maintaining scalable data pipelines and systems to support our organization's data needs.
Data Engineer III Pinnacle Technical ResourcesData Engineer IIICupertino,, California$75–$85 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. This will be a data engineer role for processing battery testing data to facilitate battery algorithm delivery and support battery algorithm simulations to validate the battery algorithm and project the product KPIs.
NewAssociate Test Engineers CYNET SYSTEMSAssociate Test EngineersMilpitas, CA$30–$36 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
NewSystems Engineer 2- #26-19828 US Tech Solutions, Inc.Systems Engineer 2- #26-19828SANTA CLARA, CAPerson will be responsible for going through a ticketing system to check tickets that come in during the individuals working hours: debugging SW and HW problems root causing and fixing said issue. As well, person should be able to monitor the lab/data-center for any issues such as power outages, network outages, liquid cooling leaks, etc.
NewSemiconductor Facilities Engineer / Project Manager - #26-19623 US Tech Solutions, Inc.Semiconductor Facilities Engineer / Project Manager - #26-19623Milpitas, CAJob Description: We are seeking an experienced Facilities Engineer / Project Manager to support facilities engineering, equipment installation, and capital projects within a semiconductor or high-volume technical manufacturing environment. The ideal candidate will have a strong combination of facilities engineering, project management, manufacturing operations, equipment installation, contractor coordination, and regulatory compliance experience.
NewAssociate Test Engineer (Shift 1 / Shift 2) - #26-19412 US Tech Solutions, Inc.Associate Test Engineer (Shift 1 / Shift 2) - #26-19412Milpitas, CAEducation: Associate's or Bachelor's degree in Engineering, Electronics, Mechatronics, Robotics, Automation, or a related technical field is a plus, but relevant hands-on experience may substitute for formal education. The ideal candidate will have strong mechanical aptitude, hands-on experience with complex equipment or electromechanical systems, and an interest in troubleshooting hardware, wiring, robotics, and automated systems.
NewPre-Sales Application Engineer – Robotics & Automation JobotPre-Sales Application Engineer – Robotics & AutomationSan Jose, CA$60–$80 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This individual will support regional sales professionals and channel partners by designing and delivering demonstrations, proof-of-concept programs, technical evaluations, installations, and training.
Senior Manufacturing Engineer JouléSenior Manufacturing EngineerSan Jose, CA$70–$77 / hourSupport New Product development projects by leading and executing the purchase, assembly, installation, and testing of custom or off the shelf manufacturing equipment and fixtures. Develop custom inspection fixtures/equipment including mechanical setup, LabView software development, and machine learning.