Square Inc.
Senior Embedded Software Engineer, Performance
Square Inc., San Francisco, California, United States, 94199
Senior Embedded Software Engineer, Performance
Full-timeJoin Block's Hardware organization as a key member of the SQUID Platform Team, where your knowledge of embedded devices and how to tune and optimize their performance will contribute to building and enhancing the core OS that powers Square's Register and Terminal hardware products. Your role will involve all stages of the product life cycle, from working with external vendors on part selection and initial hardware bring-up, to tuning our products for the best customer experience we can bring and contains an emphasis on customizing the OS to meet Square's advanced security requirements. You will report to the engineering manager for the Core OS Platform team.You will:Lead projects aimed at evaluating and tuning performance of existing and future products and platform architecture across the Squid device ecosystem.Perform system-wide performance analysis, identify bottlenecks and work with stakeholders to validate and resolve issues in our customer fleet.Work closely with our Foundational and Quality partner teams to establish and enhance performance benchmark and testing protocols.Work with multiple partners across the organization including product, program management, EE as well as other engineering teams.Provide technical leadership and guidance in performance engineering best practices.Collaborate with teammates during the software design process and participate in code reviews.Mentor engineers and help cultivate their career aspirations.You have:8+ years of development experience in embedded software projects, with a focus on performance tuning and optimization.Expertise in driving results and gains in system-wide performance and ability to navigate across various multithreaded and multicore system layers and fundamentals eg. CPU/memory management, thermals, power management.Knowledge of software profiling and performance analysis tools.Experience with Linux/Android operating systems or kernel driver development.Strong programming skills in languages such as C, C++, Java/Kotlin, knowledge of JNI is a bonus.A passion for building and shipping hardware products.Nice to have:Experience debugging issues cross functionally, using a combination of software and lab equipment such as oscilloscopes and protocol analyzers.Understanding of common communications protocols (e.g. SPI, UART, I2C, USB) and how to optimize them for speed and reliability.Block takes a market-based approach to pay, and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions.Full-time employee benefits include healthcare coverage (Medical, Vision and Dental insurance), Health Savings Account and Flexible Spending Account, Retirement Plans including company match, Employee Stock Purchase Program, Wellness programs, Paid parental and caregiving leave, Paid time off (including 12 paid holidays), Paid sick leave, Learning and Development resources, Paid Life insurance, AD&D, and disability benefits.We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.
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Full-timeJoin Block's Hardware organization as a key member of the SQUID Platform Team, where your knowledge of embedded devices and how to tune and optimize their performance will contribute to building and enhancing the core OS that powers Square's Register and Terminal hardware products. Your role will involve all stages of the product life cycle, from working with external vendors on part selection and initial hardware bring-up, to tuning our products for the best customer experience we can bring and contains an emphasis on customizing the OS to meet Square's advanced security requirements. You will report to the engineering manager for the Core OS Platform team.You will:Lead projects aimed at evaluating and tuning performance of existing and future products and platform architecture across the Squid device ecosystem.Perform system-wide performance analysis, identify bottlenecks and work with stakeholders to validate and resolve issues in our customer fleet.Work closely with our Foundational and Quality partner teams to establish and enhance performance benchmark and testing protocols.Work with multiple partners across the organization including product, program management, EE as well as other engineering teams.Provide technical leadership and guidance in performance engineering best practices.Collaborate with teammates during the software design process and participate in code reviews.Mentor engineers and help cultivate their career aspirations.You have:8+ years of development experience in embedded software projects, with a focus on performance tuning and optimization.Expertise in driving results and gains in system-wide performance and ability to navigate across various multithreaded and multicore system layers and fundamentals eg. CPU/memory management, thermals, power management.Knowledge of software profiling and performance analysis tools.Experience with Linux/Android operating systems or kernel driver development.Strong programming skills in languages such as C, C++, Java/Kotlin, knowledge of JNI is a bonus.A passion for building and shipping hardware products.Nice to have:Experience debugging issues cross functionally, using a combination of software and lab equipment such as oscilloscopes and protocol analyzers.Understanding of common communications protocols (e.g. SPI, UART, I2C, USB) and how to optimize them for speed and reliability.Block takes a market-based approach to pay, and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions.Full-time employee benefits include healthcare coverage (Medical, Vision and Dental insurance), Health Savings Account and Flexible Spending Account, Retirement Plans including company match, Employee Stock Purchase Program, Wellness programs, Paid parental and caregiving leave, Paid time off (including 12 paid holidays), Paid sick leave, Learning and Development resources, Paid Life insurance, AD&D, and disability benefits.We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.
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