Information Technology For Development Jobs in Milpitas

Greetings From Photon,

We Hope you are good! We are hiring React Native Lead to join our Digital Engineering team.

Who are we?

For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization.

React Native Lead | Sunnyvale, CA (Onsite) | Fulltime

What will you do? What are we looking for? Role Summary

The React Native Tech Lead will lead the development of cross-platform mobile applications, guide the technical direction of the team, and ensure high-quality, scalable, and performant solutions. This role is hands-on, with ownership of architecture decisions, code quality, and team mentoring, while actively collaborating with customers and stakeholders.

Key Responsibilities

• Lead end-to-end development of React Native mobile applications
• Own technical design, architecture, and implementation decisions
• Guide and mentor React Native developers
• Perform code reviews and enforce coding standards & best practices
• Collaborate with Product, UX, Backend, QA, DevOps teams, and customers
• Ensure performance, security, and scalability of mobile apps
• Troubleshoot and resolve complex technical issues
• Drive release management for iOS & Android apps
• Participate in sprint planning, estimation, and technical discussions

Required Technical Skills

Core Skills

• Strong expertise in React Native
• Excellent knowledge of JavaScript / TypeScript
• Experience with Redux, Context API, Zustand, or similar
• Solid understanding of mobile app lifecycle (iOS & Android)

Mobile Development

• Experience integrating web pages using WebView, including session and cookie management
• Experience with native modules (Swift/Obj-C, Kotlin/Java)
• Performance optimization, memory management, and debugging
• Push notifications, deep linking, offline storage
• App Store & Play Store publishing experience

Backend & Integration

• REST / GraphQL API integration
• Authentication (JWT, OAuth, SSO)
• Experience working with cloud services (AWS / Azure / GCP)

Quality & DevOps

• Unit and component testing using Jest, React Native Testing Library (RNTL), and Storybook
• End-to-End (E2E) testing using Appium or Detox
• CI/CD pipelines for mobile apps
• Monitoring & crash reporting (Firebase, Sentry, etc.)

Architecture & Design

• Experience with Clean Architecture / MVVM / Modular architecture
• Reusable component and design system implementation using Atomic Design principles
• Handling multi-environment builds & configurations

Soft Skills

• Strong leadership and mentoring skills
• Experience handling customers with strong communication and interpersonal skills
• Clear communication with technical and business stakeholders
• Ownership mindset and accountability
• Ability to balance delivery and technical excellence

Nice to Have

• Experience with Expo
• Exposure to native mobile development
• Experience with retail e-commerce, hospitality platforms, or large-scale consumer applications
• Knowledge of accessibility standards

What Success Looks Like

• High-quality, stable mobile releases
• Well-structured and maintainable codebase
• Improved team productivity and technical maturity
• Minimal production issues and faster feature delivery

Job Title: Technical Program Manager

Location: US - CA - Sunnyvale (940890) or Redmond - WA - preferred

Contract: 12 Months

Pay Rate: $115.74/hr, W2

Benefits: Medical, Dental, Vision and Weekly Pay

Job Summary:

The main function of a Technical Program Manager, Audio is to provide successful hardware module definition, implementation and delivery of complex programs that require cross-functional collaboration and interdependencies across a group of projects and/or related activities.

Job Responsibilities:

• Deliver audio hardware programs within the constraints of scope, quality, time, budget and risk factors.
• Program-level strategic planning, interaction with engineering team and management, complex issue resolution, excellent communications and team building skills.
• Oversight of project scope definition and management, requirements gathering and documentation, project schedule development and tracking, project budget management, project status reporting, hardware build management, issue and risk management, contingency planning, customer interaction, and communications across multiple organizational levels.
• Plan and drive engineering deliverables, such as audio subsystem specifications, DOEs, ECNs and validation results.

Skills:

• Project estimating, project scheduling & tracking, customer interaction and management, implementation planning in large organizations
• Proven people management and team building skills
• Demonstrated ability to be flexible/ adaptable in exercising judgment in a changing environment and to manage competing priorities
• Proven ability to learn business processes quickly and to work well with business partners at different levels within the organization
• Strong ability to assess risk and apply management principles to technology applications/products and business functions
• Experience with hardware product development lifecycle
• Experience with working with vendors, including flexing hours when needed for and travel if needed for on-site support

Education/Experience:

• Bachelor's degree in a technical field such as computer science, computer engineering or related field required. MBA or other related advanced degree preferred.
• 5-8 years of audio TPM or Engineering experience with consumer products- phones, tablets, watches, glasses, or similar.
• PMP or PMI certification preferred.

Must Have:

• Experience in effective project management working with audio vendors.
• Ability to support technical solutions
• Ability to support from prototype to build
• Mechanical and manufacturing background

Nice to Have:

• Mandarin speaking candidates - strongly preferred
• Speaker and microphone manufacturing
• previous Google, Amazon and big tech experience i.e. Apple

Pursuant to the California Fair Chance Act, Los Angeles County Fair Chance Ordinance for Employers, Los Angeles Fair Chance Initiative for Hiring Ordinance, and San Francisco Fair Chance Ordinance, qualified applicants will be considered for assignment with arrest and conviction records. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness, meet client expectations, standards, and accompanying requirements, and safeguard business operations and company reputation.

#TMN

We are actively looking for a Back-End Developer (Java, Spring, Kafka) @ Sunnyvale CA

TITLE: Back-End Developer (Java, Spring, Kafka)

LOCATION: Sunnyvale, CA

Duration: 6 to 12+ Months

Interview Type: Onsite

Rate: DOE

Details:

Job Duties:-Develops innovation strategies, processes, and best practices. - Drives the execution of multiple business plans and projects. - Supports and ensures business objectives being met. - Leads the discovery phase of medium to large projects to come up with high level design.- Leads the work of other small group of 3 to 4 engineers for assigned Engineering projects - Leads and participates in end to end service implementations, data feeds ingestion, and orchestration. - Designs and implements low latency services. - Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity. - Troubleshoots business and production issues .

Strong Java/J2EE, SpringBoot, Kafka

KAFKA, Design pattern, Event Sourcing and Event based architecture. Cassandra, SQL, NOSQL Database experience

Knowledge of technologies used in building scalable, distributed systems in virtualized cloud environments.

Develop high performance and scalable solutions that extract, transform, and load big data

Working with continuous development environments and decent knowledge of CI/CD pipelines

Please let me know if you are available and interested.

About the Company

We're partnering with a fast-growing, well-funded startup building an AI-driven decision engine for large-scale marketing optimization. This team is applying quantitative, trading-style strategies to improve how millions of dollars are allocated across digital channels—already delivering significant efficiency gains for major global brands.

About the Role

This is a high-impact ML engineering role focused on building the core models and systems that drive automated decision-making. You won't just train models—you'll design the financial logic and execution systems that determine how real capital is deployed in dynamic markets. From identifying inefficiencies to executing decisions in production, you'll own the full lifecycle.

Responsibilities

• Design Core Algorithms: Build models to predict value (e.g., LTV), optimize budget allocation, and detect performance degradation signals
• Build Execution Systems: Develop robust API integrations to deploy decisions in real time across major platforms
• Own Production ML: Take models from prototype → production with strong monitoring, latency control, and drift detection
• Backtest & Validate: Create simulation frameworks to test strategies before real-world deployment

Qualifications

• 4+ years applying ML/optimization in real-world systems
• Strong foundation in statistics, probability, and linear algebra
• Experience deploying models in high-throughput production environments
• Comfortable balancing speed vs. rigor—shipping quickly, then scaling thoughtfully
• Thinks in systems, not scripts

Required Skills

• Background in quantitative finance, trading systems, or ad-tech (RTB)
• Experience with convex optimization or advanced optimization techniques
• Familiarity with AI-assisted development workflows

Preferred Skills

• Bonus: Background in quantitative finance, trading systems, or ad-tech (RTB)
• Bonus: Experience with convex optimization or advanced optimization techniques
• Bonus: Familiarity with AI-assisted development workflows

Pay range and compensation package

• $160,000 – $250,000 base salary
• Meaningful equity
• Full health benefits + unlimited PTO
• Relocation support (Bay Area)
• Daily meals provided

About the Company: MediaTek Incorporated is a global fabless semiconductor company that enables nearly 2 billion connected devices a year. We are a market leader in developing innovative systems-on-chip (SoC) for mobile device, home entertainment, connectivity and IoT products. MediaTek is the number one Wi-Fi supplier across broadband, retail routers, consumer electronics devices and gaming, and its Wi-Fi 6 chipsets are powering the latest networking equipment for faster computing experiences. MediaTek's Intelligent Software Development Business Unit is Hiring a Software Architect – Audio and Multimedia.

About the Role: In This Role, You Will

• Research and develop Deep learning-based systems to solve problems in In-vehicle domains like Speech, UI, and multimodality-based ADAS systems.
• Lead the integration of AI Frameworks and tools for automotive use cases, driving cutting-edge development and innovation.
• Work with the Silicon and Software engineering teams in HQ(Taiwan), and automotive customers to provide technical solutions for GAI and LLM based requirements.
• Analyze and Optimize LLMs for available compute i.e., GPUs, and NPUs: Conduct comprehensive analyses of models, identifying and proposing critical improvements and optimizations at both the model and framework levels, advancing performance and effectiveness at deployment on embedded systems.
• Closely track industry and academia advancement in relevant AI technologies.

Qualifications:

• Master's degree in Computer Science, Electrical Engineering, Mathematics, and a minimum 10 years of overall software engineering experience including 4 years of experience directly related to this role.
• Machine Learning and Deep Learning Acumen: You bring strong knowledge of key concepts and have practical experience of working with popular frameworks like TensorFlow, PyTorch, NEMO, TAO, TensorRT, CUDA, and vLLM, positioning you at the forefront of AI innovation.
• You have detailed hands-on experience of optimizing state of the art models for edge devices considering latencies, memory bandwidth, and CPU vs NPU tradeoffs.
• Proficiency in programming languages such as C, C++, and Python.
• Hands-on experience with embedded software, RTOS, and microcontrollers.
• Hands-on experience with camera/lidar perception model implementation, training, and deployment on the edge.
• Familiar with training data preparation and open-source data sets.
• Familiar with In-vehicle AI based Speech, Voice, or ADAS / AD technical stack.
• Experience with automotive functional safety (ISO26262) and security standard (ISO 21434) standards
• Thriving in fast-paced agile environments, able to adept the turning ideas into reality, and achieving results swiftly.

Pay range and compensation package: Base Salary range: $180,000- $300,000. Employee may be eligible for performance bonus, short and long term incentive programs. Actual total compensation will be dependent upon the individual's skills, experience and qualifications. In addition, MediaTek provides a variety of benefits including comprehensive health insurance coverage, life and disability insurance, savings plan, Company paid holidays, Paid time off (PTO), Parental leave, 401K and more.

Equal Opportunity Statement: MediaTek is an Equal Opportunity Employer that is committed to inclusion and diversity to all, regardless of age, ancestry, color, disability (mental and physical), exercising the right to family care and medical leave, gender, gender expression, gender identity, genetic information, marital status, medical condition, military or veteran status, national origin, political affiliation, race, religious creed, sex (includes pregnancy, childbirth, breastfeeding and related medical conditions), and sexual orientation.

Principal System Embedded Engineer (SONiC)

Duration – 6 months to Hire

Location – San Jose CA – Hybrid / 2 days

Notes - Manager is looking for someone with SONiC community level experience & GitHub link .

Please provide a note up of 7-8 lines depending on the Community level experience when comes to SONiC

Responsibilities:

• Design, develop, and maintain features and enhancements for the SONiC NOS platform, interfacing with SAI and platform infrastructure.
• Contribute to the SONiC open-source community and stay current with the evolving SONiC ecosystem.
• Develop forwarding features on SONiC and the underlying hardware (e.g., ASICs, PHYs, optics, and other platform components).
• Implement code for critical system modules, drivers, and APIs supporting high-performance data planes and control planes.
• Debug, troubleshoot, and resolve issues on SONiC platforms.
• Participate in code reviews, and documentation efforts.
• Contribute to architecture discussions to ensure scalable and highly available SONiC integrations.
• Contribute to SONiC SAI features and platform-specific management/control modules (e.g., telemetry, diagnostics, and monitoring components).

Basic Qualifications:

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
• Minimum of 10 years of work experience is required.
• With at least 1 year of hands-on SONiC development experience is must.
• Strong experience with the SONiC network operating system and architecture.
• Demonstrated feature contributions to the SONiC open-source community.
• Experience using SONiC SAI for new feature development and integration.
• Experience with datapath forwarding features such as BFD, FIB, RIB, ERSPAN, ACLs, QoS, unicast, and multicast.
• L2/L3 Protocol Stack Development
• L3: BGP, OSPF, IS-IS, EVPN/VXLAN, MPLS, etc...
• L2: STP, LLDP, LACP, etc...
• Experience with FRR open routing stack
• Experience with Redis DB, Docker
• Experience in Data Plane/Embedded software development/kernel drivers.
• Proficient in Python, C/C++.
• Familiarity with Linux internals and containerized environment.
• Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment.
• Knowledge of network ASICs (e.g., Broadcom, Marvell) and switch hardware architecture.

Additional Skills:

Cloud Architectures, Cross Domain Knowledge, Design Thinking, Development Fundamentals, DevOps, Distributed Computing, Microservices Fluency, Full Stack Development, Security-First Mindset, Solutions Design, Testing & Automation, User Experience (UX)

Job Title: Workday Extend Developer

Location: Sunnyvale, CA (5 days a week onsite)

Duration: 6 months

Rate: Up to $70 p/h (1099 or W2)

Overview:

We are currently seeking an experienced Workday Extend Developer for our client located in Sunnyvale, CA. The ideal candidate will have a minimum of 1-2 years of hands-on experience with Workday Extend and Orchestration, alongside a strong background in application development and integration. This role is pivotal in designing, developing, and deploying applications that enhance our client's Workday platform.

Key Responsibilities:

• Application Development: Design, develop, and deploy innovative applications using Workday Extend to meet client requirements.
• UI Component Creation: Build dynamic user interface components utilizing the Workday Extend UI Framework.
• Business Logic Development: Develop and implement business logic through Workday Orchestrate, ensuring seamless operations.
• Validation & Rules Implementation: Create robust validation rules, calculated fields, and implement business process frameworks (BPF) to enhance data integrity and workflow efficiency.
• API Management: Leverage extensive experience in APIs to facilitate smooth integration with other systems, including digital platforms like Microsoft Azure.

Essential Qualifications:

• Experience: 5+ years of total work experience, with at least 1-2 years specifically in Workday Extend and Orchestration.
• Technical Proficiencies:
• Proficiency in Workday Extend and its UI Framework.
• Strong knowledge of Application Programming Interfaces (APIs).
• Experience with Microsoft Azure and Workday Human Capital Management.

Desirable Skills:

• Familiarity with additional digital applications and data integration techniques within the Workday ecosystem.
• Excellent problem-solving abilities and a deep understanding of software development life cycles.

If you meet the qualifications and are ready for this exciting opportunity, we want to hear from you! Please submit your resume for consideration.

This position requires an in-person interview with the client in Sunnyvale, CA. Candidates must be able to work onsite five days a week. Some flexibility available.

Job Title: Technical Program Manager III – PDE (Hardware)

Location: Sunnyvale, CA or Redmond, WA (preferred)

Duration: 12 Months to start with potential extensions (W2 Contract)

We are seeking an experienced Technical Program Manager (TPM III) to support Product Design Engineering (PDE) programs for next-generation consumer hardware products. This role will lead complex, cross-functional hardware development programs from early concept through qualification and mass production.

You will work closely with engineering, product, architecture, industrial design, and operations teams, as well as external vendors, to ensure timely and high-quality delivery of hardware modules.

Must-Have:

Hands-on experience managing hardware development programs

Strong understanding of mechanical design, manufacturing, and qualification

Proven vendor management experience (including flexible hours and travel)

Ability to translate technical complexity into clear program execution

Nice-to-Have

Mandarin language skills

AR/VR, wearables, or consumer electronics background

Experience:

5–8 years as a TPM supporting PDE or hardware engineering teams

Comfortable driving ambiguity in early-stage product development

Responsibilities:

Drive investigation, definition, and delivery of next-generation hardware modules

Develop and manage end-to-end development, delivery, and qualification schedules

Own phase-gate execution from concept through mass production

Lead cross-functional collaboration across engineering, product, ID, operations, and vendors

Manage internal and external communication, including vendor coordination across time zones

Set milestones, track risks, and proactively resolve program issues

Drive engineering teams to closure on technical challenges

Manage engineering builds from early prototypes through qualification

Ensure program documentation is complete, current, and leadership-ready

Support resource planning and budget management

Travel up to 20% as required for program execution

Required Qualifications

BS in Engineering or equivalent practical experience

5–8+ years of experience managing hardware/PDE programs from concept to mass production

Strong background in mechanical engineering and manufacturing processes

Experience working with external vendors and global supply chains

Proven ability to manage complex schedules, risks, and dependencies

Excellent communication and stakeholder management skills

Nice-to-Have

Mandarin language proficiency (strongly preferred)

Experience in consumer electronics, AR/VR, or wearable devices

Company Description

Cubes Solutions Inc. specializes in providing software solutions for corporate governance management, designed to streamline the measurement and analysis of diverse performance elements. With advanced, out-of-the-box functionalities, Cubes connects strategy, operations, risks, audits, processes, surveys and more into a unified governance architecture. Our solutions empower organizations to increase profitability, reduce costs, achieve strategic goals, and adapt to dynamic business changes efficiently. Whether managing strategy execution or operational improvements, Cubes offers the tools to help organizations succeed in a competitive landscape.

Role Description

We are looking for a Senior Sales Representative for an Hybrid, full-time role where periodic visits to San Francisco, Bay Area, USA. In this role, you will be responsible for the US market, your main role will be about identifying new business opportunities, building and maintaining strong client relationships, developing strategic sales plans, and closing deals to meet and exceed revenue targets. You will collaborate closely with the marketing and customer service teams to deliver tailored solutions, conduct product demonstrations, provide client training, and ensure a seamless sales process. Additionally, you will gather market insights to identify trends and business growth strategies.

Key Responsibilities

Sales Strategy & Market Development

• Develop and execute a US market sales strategy aligned with CUBES’ growth objectives.
• Identify, qualify, and develop new enterprise opportunities within the assigned territory.
• Target mid-to-large organizations (500+ employees) across industries.
• Focus on selling management optimization, performance monitoring, and BPM-related solutions.
• Position CUBES as a solution that supports corporate governance, strategy execution, and organizational performance alignment.

Enterprise Sales Execution

• Lead the full sales cycle from prospecting to deal closure.
• Position CUBES as a strategic performance and execution platform.
• Negotiate commercial terms and close subscription-based agreements.
• Achieve or exceed annual revenue targets.

Account Management & Growth

• Manage and expand existing accounts to maximize license subscriptions.
• Identify upselling and cross-selling opportunities across modules.
• Ensure long-term customer satisfaction and retention.

Collaboration & Market Intelligence

• Collaborate with product, marketing, and implementation teams for seamless delivery.
• Coordinate with offshore implementation and business support teams.
• Monitor competition and industry trends in BPM and strategy management.
• Represent the company at events, conferences, and executive meetings.

Performance & Reporting

• Meet revenue targets.
• Provide regular pipeline forecasts and performance reports to the BD Director.
• Track KPIs and drive performance improvements.

 Requirements 

• Bachelor’s degree in Business, Marketing, Management, or related field.
• MBA is a plus.
• 8+ years of enterprise B2B sales experience (US market preferred).
• Proven experience selling:

o   BPM solutions

o   Strategy management systems

o   Performance management platforms

o   Enterprise IT solutions

• Background in Process Management or Strategy Management domains is highly preferred.
• Experience working with ARIS-based clients or BPM environments is a strong advantage.
• Excellent executive-level communication and presentation skills.
• Strong negotiation and closing ability.
• Ability to work independently in a new market setup.
• High ownership mindset and entrepreneurial spirit.

Nice to Have

• Existing US executive network.
• Experience working with lead generation agencies.
• Exposure to IT outsourcing or software development services sales.

FindLaw is the leading provider of online legal marketing services, widely recognized and trusted by legal professionals, consumers, and businesses. We empower our audience with comprehensive legal resources through our public and private online portals and FindLaw publications. Our platforms offer engaging, relevant, and credible legal information, personalized tools, and access to professional legal communities.

Our mission is to help attorneys and law firms grow their practices confidently, providing proven services that increase awareness, improve reputation management and ultimately drive case volumes across many different practice areas.

Our network of solutions include , , , , Super Lawyers print publication and many other digital solutions.

Sr. Sales Executive Job Description:

Are you passionate about the chance to bring your sales experience to a world class company that is market leading for both content and technology? Does hearing that we are completely committed to organic growth and that we have extensive investments to expand our sales capability excite you? Do you have previous experience driving sales and revenue growth within a specific territory? Are you motivated by uncapped commissions? We are looking for you!

What You’ll Do:

As a Sr. Sales Executive you will be responsible for developing and growing new customer accounts in the legal community within an assigned territory. Each territory consists of a large base of small-mid law firms. You will utilize your prospecting and consultative selling skills, high energy and initiative to identify opportunities to provide FindLaw web-based marketing and advertising solutions. You will also be responsible to partner with our internal Account Management team related to the post-sales satisfaction and retention of existing FindLaw customers.

About the Role:

• Responsible for the attainment of sales targets and quota on a monthly basis in assigned territory.
• Consult with the client regarding web-based marketing strategies and solutions that will meet their business needs and will improve their ability to generate business.
• Strategically grow a customer base through prospecting and cold calling.
• Technical aptitude (MS Office, internet applications, ).
• Collaborate with internal stakeholders regarding existing and new clients to identify and resolve client concerns; establish and maintain current and potential client relationships.

About You/Experience:

• Experience in outside sales in a professional B2B environment.
• Proven track record of sales success, fast growth and consistently achieving performance at 100%+.
• Previous sales experience in online/advertising environment a plus.

Knowledge & Skills:

• Working knowledge of sales process, methods and techniques.
• Strong Interpersonal skills, ability to interpret marketplace needs and translate them into products and/or services.
• Proven organization skills, effective time management skills and ability to work independently

Travel:

• Ability to be actively in the field on most business days with some overnight travel based on territory to various client sites.

What’s in it For You?

At Findlaw, our people are our greatest assets. Here are some of the benefits we offer for your personal and professional growth:

• Innovative Culture: Embracing the "IB Way," the company fosters a culture that encourages rapid experimentation, flexibility, collaboration, and a relentless focus on developing winning strategies.
• Professional Growth: Internet Brands emphasizes internal growth, providing employees with opportunities for personal and professional development.
• Comprehensive Benefits: Employees enjoy a range of benefits, including medical, dental, and vision insurance, life insurance, disability coverage, flexible spending accounts, paid holidays, casual dress code, 401(k) plan, and paid time off (PTO).
• Work-Life Balance: The company promotes a healthy work-life balance, allowing employees to maintain personal well-being alongside professional responsibilities.
• Collaborative Environment: With a focus on flexibility and collaboration, Internet Brands creates an atmosphere where teamwork and open communication are valued.
• Global Presence: Operating in over 30 office locations worldwide, the company offers diverse opportunities across various regions.
• Stability and Innovation: Combining the innovation of a start-up with the stability and profitability of an established corporation, Internet Brands provides a unique and secure working environment.
• Industry-Leading Expertise: Internet Brands excels in a variety of verticals, including healthcare, legal, automotive, and home services, leveraging deep industry knowledge to create innovative and impactful solutions for clients and consumers alike.
• Compensation: $75,000 base + with uncapped commission, averaging $80,000-$150,00. At quota, our top earners are well over $200K OTE.

About Internet Brands:

• Headquartered in El Segundo, Calif., Internet Brands® is a fully integrated online media and software services organization focused on four high-value vertical categories: Health, Automotive, Legal, and Home/Travel. The company's award-winning consumer websites lead their categories and serve more than 250 million monthly visitors, while a full range of web presence offerings has established deep, long-term relationships with SMB and enterprise clients. Internet Brands' powerful, proprietary operating platform provides the flexibility and scalability to fuel the company's continued growth. Internet Brands is a portfolio company of KKR and Temasek. For more information, please visit Brands and its wholly owned affiliates are an equal opportunity employer.