3,142 Results for

Product Engineer Jobs in Los Altos, CA

Jobs

New!

South San Francisco, CA5 days ago

$160,000–$200,000 Per Year

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. Our team is building the AI document automation platform to eliminate the manual data entry work that persists across thousands of large enterprises today.

New!

San Francisco, CA1 day ago

$175,000–$210,000 Per Year

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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Cupertino, CA2 days ago

Partnering with internal manufacturing teams and external vendors to optimize designs for function, cosmetics, and manufacturability. Ensuring design meets requirements through the life of the product through stress and tolerance analysis, DFMEA, prototyping, testing, and failure analysis.

San Jose, CA28 days ago

They will work closely with internal and external resources in a multidisciplinary team working with materials, software, and manufacturing to conduct research and development in the areas of product performance, design, and improvement. R&D Engineer, Core Product will be the lead engineer responsible for planning, leading, and executing projects focusing on product design and design improvement.

San Francisco, CA12 days ago

Remote

$126,140–$212,000 Per Year

We’re looking to do the next big one and you should apply if: • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely. Working at Samsara means you’ll help define the future of physical operations and be on a team that’s shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, Equipment Monitoring, and Site Visibility.

Santa Clara, CA23 days ago

$100,000–$120,000 Per Year
Full-time
Employee

General understanding of system architecture and networking, i.e. to understand the different components in the system (compute trays, switch trays, TOR switches, power shelves, etc.). Skills: BS in Electrical Engineering orequivalent, Linux, Python(intermediate), Server and debugging, hardware board testing .

UNION CITY, CA30+ days ago

$90,800–$102,000 Per Year
Full-time
Employee

SigmaTron International, a leading Electronics Manufacturing Services company (EMS), with headquarters in Elk Grove Village, IL is currently seeking entry candidates interested in working in the Electronics industry. The Process Engineer applies engineering techniques to PCB products and processes through design and manufacturing to produce final products in accordance with customer specifications- Review cycle time reduction and process flow.-

New!

San Francisco, CA5 days ago

$185,000–$250,000 Per Year

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. We’re partnering with a fast growing, engineering led startup building AI powered systems to modernize a complex legacy industry that has historically relied on manual workflows and outdated tooling.

New!

San Francisco, CA2 days ago

$50–$80 Per Hour

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. Integrate security tooling (Semgrep, Snyk, CodeQL, GitHub Advanced Security, Burp Suite) into CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins) with minimal developer friction.

New!

Sunnyvale, CA5 days ago

$95,000–$200,000 Per Year

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. 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.

New!

San Francisco, CA5 days ago

$120,000–$250,000 Per Year

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. A global technology design and engineering company that develops connected products and embedded systems for leading international brands.

New!

San Francisco, CA5 days ago

Remote

$170,000–$270,000 Per Year

The ideal candidate will be mid-level backend .Net Software Engineer with recent experience within a small, fast-paced, API-focused AI infrastructure startup company with lean, highly collaborative engineering teams, where they have operated with significant ownership, autonomy, and a strong “go-getter” mentality. 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.

New!

San Francisco, CA4 days ago

$200,000–$300,000 Per Year

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. The platform acts as a proactive assistant that connects to a user’s professional stack (Email, CRM, Slack) to automate workflows like drafting responses and updating custom CRM fields.

New!

San Francisco, CA5 days ago

$225,000–$275,000 Per Year

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. We’re an early-stage, high-growth B2B fintech company building a modern platform that sits at the intersection of data, liquidity, and complex financial workflows.

New!

Mountain View, CA4 days ago

Full-time
Employee

The Manufacturing engineer partners with Synopsys supplier/Electronics Manufacturing Services (EMS) (Contract Manufacturer’s) to define, qualify and document as appropriate: Assembly processes, assembly tools and aids, while driving cost and quality improvements. Lead manufacturing process development for high-complexity PCBA, including high-layer-count boards, fine-pitch BGAs, high-speed signal designs, and power electronics.

New!

Pleasanton, CA5 days ago

$180,000–$240,000 Per Year

The 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.

New!

Mountain View, CA5 days ago

$160,000–$200,000 Per Year

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. Take end-to-end ownership of major platform components, including: Front End – Build modern interfaces using React/Next.js, JavaScript, TypeScript, and HTML5.

New!

Santa Clara, CA5 days ago

$175,000–$260,000 Per Year

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. We are working with a leading company that develops, designs, and manufactures highly engineered materials and services to Top tier 1 customers, within Automotive, Consumer Electronics, Appliances, and more.

New!

Mountain View, CA5 days ago

Full-time
Employee

This role requires deep technical knowledge in PCBA assembly processes, FATP (Final Assembly, Test & Packout), manufacturing automation, and cross-functional collaboration with R&D, Quality, Test Engineering, and global EMS partners. We are seeking an experienced Manufacturing Engineer with strong expertise in PCBA manufacturing, electromechanical assembly, and New Product Introduction (NPI) to support advanced hardware manufacturing initiatives at Synopsys.

New!

Mountain View, CA1 day ago

$100–$130 Per Hour

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. This role leads the design and delivery of full stack applications, owning both frontend and backend architecture while driving performance, scalability, and code quality.

New!

Foster City, CA2 days ago

Evaluate part and assembly design, from concept to design to manufacturing introduction for hand clearance, tooling clearance, ergonomics, and feasibility of replacement of all components. Provide comprehensive cost/time modeling that showcases opportunities to drive product change that supports the reduction of cost or complexity of the repair.

New!

San Jose, CA5 days ago

$150,000–$225,000 Per Year

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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Sunnyvale, CA3 days ago

$90,000–$120,000 Per Year

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. As a cost engineer on our team, you will be responsible for assisting in preparing budgets, estimates, and pre-bid packages for construction projects under the CM at Risk guaranteed maximum pricing model.

New!

Milpitas, CA1 day ago

Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/ Must be able to perform the essential physical functions of the position, including sitting, standing, walking, stooping, kneeling, andlifting upto 25 pounds, with or without reasonable accommodation.

San Jose, CA9 days ago

This role ensures process stability, yield improvement, and product quality through hands-on engineering support, data-driven analysis, and cross-functional collaboration. The engineer will play a key role in New Product Introduction (NPI), process validation, and continuous improvement initiatives to support advanced electronic manufacturing programs.

New!

San Francisco, CA3 days ago

$150,000–$180,000 Per Year

Our Client builds agentic automation software for credit unions and community banks, turning slow, error-prone loan operations into fast, autonomous, and reliable workflows. 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.

New!

Milpitas, CA1 day ago

Assist project managers with all aspects of projects from proposal to final engineered design, ensuring high-quality outcomes and client satisfaction. Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/

New!

Foster City, CA2 days ago

$109,700–$170,200 Per Year

Masters, MBA, JD, MD)Minimum 3 years hands-on development experience • Excellent verbal and written communication skills to work well across teams • Experience with Agile Methodologies, Tools (Jira, Confluence) • Experience with Unit, Acceptance, Performance, Non-functional test, Certification test lifecycle, BDD/TDD methodology • Experience testing software at API level using SOAP UI, Postman, REST Client etc. Open VisaNet leverages state of the art Open Software technologies to achieve these goals on commodity hardware, such as Go, Scala, Apache Kafka, Docker, Kubernetes, Aerospike, Elasticsearch etc. and involves collaboration with exceptional group of software engineers, systems performance engineers, security specialists, DevOps engineers, payment experts, infrastructure and solution architects.

San Mateo, CA9 days ago

$60–$70 Per Hour
Temporary
Contractor
Full-time

features, lighting integration, module integration, tooling, resins, supply base, fit and finish, gap and flush, module concept, thermal expansion, structural design, paint (matching). The Mice Groups does not currently collect personal identifying information via its website except (i) to the extent that you provide this information in an online job application and (ii) to the extent that your web browser provides personal identifying information.

New!

Foster City, CA3 days ago

$192,300–$307,600 Per Year

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. 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.

New!

Foster City, CA3 days ago

$192,300–$307,600 Per Year

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. Leverage modern technologies to build the next generation of Payment Services, Transaction Platforms, Real-Time Payments, and Buy Now Pay Later capabilities.

New!

Foster City, CA3 days ago

$169,100–$270,800 Per Year

You 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.

New!

Foster City, CA3 days ago

$146,200–$233,700 Per Year

New!

Sunnyvale, CA4 days ago

Full-time
Employee

You’ll develop high-performance computation services, workflow orchestration, and enterprise-grade integrations that produce reproducible, traceable outputs suitable for enterprise and main stream users. • Engineer for production quality: Testing, performance profiling, reliability patterns, observability, secure coding, and maintainability.

New!

San Francisco, CA5 days ago

Remote

$140,000–$160,000 Per Year

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. Proficiency in Active Directory/Entra, Single Sign-On (SSO), Multi-Factor Authentication (MFA), identity federation, privileged access management, Conditional Access, and automated life-cycle management.

New!

Foster City, CA3 days ago

$161,400–$258,500 Per Year

The 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.

Mountain View, CA15 days ago

$139,900–$274,800 Per Year

Masters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

New!

Foster City, CA3 days ago

$97,800–$152,100 Per Year

This role is centered on developing LLM-based applications, intelligent agents, AI-powered automation, scalable machine learning pipelines, and generative AI solutions that improve productivity, decision-making, process intelligence, and operational efficiency across Sourcing and Collections. 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.

New!

Foster City, CA3 days ago

$146,200–$233,700 Per Year

You will play part of Shared Services team tasked with multiple projects ranging from building full stack development of real-time transactional services, REST services API, Container based services to highly functional, secure, scalable and resilient real time payment systems. 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.

New!

Milpitas, CA1 day ago

New!

Foster City, CA3 days ago

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. 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.

New!

Foster City, CA3 days ago

$146,200–$233,700 Per Year

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. Masters, MBA, JD, MD) or 0 years of work experience with a PhD Preferred Qualifications • 6 or more years of work experience with a Bachelors Degree or 4 or more years of relevant experience with an Advanced Degree (e.g.

New!

Foster City, CA3 days ago

$192,300–$307,600 Per Year

Familiarity 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).

New!

Fremont, CA3 days ago

$90–$100 Per Hour

Technical Analysis: including process system and technology plant fits, capacity and equipment utilization, value engineering, sustainable design, constructability and assessment of applicable new technologies to balance performance, cost and maintainability. The ideal candidate will bring strong technical expertise in GMP manufacturing environments, hands-on process equipment experience, and proven project leadership capabilities within biopharmaceutical operations.

New!

San Jose, CA1 day ago

Education Requirements and Ideal Experience Includes:Bachelor's degree in Industrial, Manufacturing Engineering or Engineering Degree. Concerning product tooling, confer with engineering teams and suppliers to ensure efficient production methods and schedules.

New!

San Francisco / Bay Area, CA1 day ago

Remote

You’ll help own and improve CI/CD pipelines, release engineering, load testing, Heroku operations, incident response, observability, and production reliability. When nonprofits need to raise money — especially during high-volume giving periods — our platform needs to be secure, available, observable, and resilient.

New!

Sunnyvale, CA2 days ago

Work with Product Design, Commodity Mangers and other stake holders to identify high capability suppliers necessary for New Products based on assessment of business need and supplier capability. Drive corrective actions through use of various Root Cause tools (8D, 5 Why, etc), determining true root cause, implementing effective and lasting corrective and preventive actions.

San Jose, CA8 days ago

Support internal communication of failure analysis techniques and processes to be deployed across global RMA and service centers, improving product knowledge and enhancing PCA debug efficiency. Working knowledge of key server technologies, including Client and AMD multi-core processors, DDR3/DDR4 memory, NAND flash memory, and PCA design.

New!

Alameda, CA5 days ago

$100,000–$180,000 Per Year

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. 2. Use advanced software such as AutoCAD, Trace 700, Revit, SolidWorks, etc., to create detailed 3D models and technical drawings of mechanical systems.

Mountain View, CA8 days ago

$100,600–$199,000 Per Year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $131,400 - $215,400 per year. You will be part of a cross-functional team of software engineers, data scientists, technical program managers, and designers who work side-by-side with high-impact and strategic customers and their engineers to build innovative solutions.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Product Engineer job opportunities. Plus, receive relevant job recommendations in your inbox.

Product Engineer Jobs in Los Altos, CA

Jobs

Senior Product EngineerJobot

Founding Full Stack Product EngineerJobot

Product Design Engineer I-IVIconma

Senior R&D Engineer, Core ProductAlign Technology, Inc.

Senior Software Engineer - STCE New ProductsSamsara

Product Development Engineer FA (Night Shift)Tanisha Systems

Process EngineerSigmatron

Senior/Staff Software EngineerJobot

Application Security EngineerJobot

Manufacturing Test Development EngineerJobot

Embedded Android Software EngineerJobot

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTEJobot

Founding EngineerJobot

Principal Product DesignerJobot

R&D Engineer_Mountain View, CA (Hybrid)Agile Global Solutions, Inc.

Senior Frontend EngineerJobot

Founding Full Stack EngineerJobot

Applications EngineerJobot

R&D EngineerAgile Global Solutions, Inc.

Lead Full Stack Software Engineer (Marketplace/Platform)Jobot

Mechanical Engineer - ServiceabilityIconma

Forward Deployed EngineerJobot

Cost Engineer - Commercial ConstructionJobot

Mechanical Engineer/Designer - HVACPEAK Technical Staffing

SMT Process EngineerPEAK Technical Staffing

Backend Engineer, Distributed Systems (Ruby)Jobot

Electrical Engineer - Direct HirePEAK Technical Staffing

Sr. SW Test EngineerVisa Technology and Operations LLC

Exterior Trim EngineerMice Groups

Lead SW Engineer - Crypto ProgramVisa Technology and Operations LLC

Lead Software EngineerVisa Technology and Operations LLC

Software Engineer - Sr Consultant levelVisa Technology and Operations LLC

Staff SW Engineer - Google Cloud Platform (GCP)Visa Technology and Operations LLC

Staff Software Engineer – Simulation & Workflow SystemsAgile Global Solutions, Inc.

Senior Infrastructure Engineer - IAM & AutomationJobot

Sr. Cybersecurity EngineerVisa Technology and Operations LLC

Principal Software EngineerMicrosoft

Software Engineer - Finance TechVisa Technology and Operations LLC

Staff SW EngineerVisa Technology and Operations LLC

Plumbing EngineerPEAK Technical Staffing

Data Engineer - Sr. Consultant levelVisa Technology and Operations LLC

Staff Data EngineerVisa Technology and Operations LLC

Lead Software Engineer, Middleware Reliability EngineeringVisa Technology and Operations LLC

Project Engineer IIIJoulé

Industrial EngineerPEAK Technical Staffing

Site Reliability Engineer, CI/CD & Load Testing (US-Remote)Braintrust

Component Engineer 4Iconma

Failure Analysis EngineerPEAK Technical Staffing

Mechanical Engineer-HVAC OR PlumbingJobot

Software EngineerMicrosoft

Resume Resources