Block
Our purpose is economic empowerment.
Remote
Hybrid

Senior Software Engineer, Core OS Platform

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Employer Provided Salary: 153,000-270,000 Annually
Salary data is provided by the employer. Please note this is not a guarantee of compensation.

Company Description
Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together.
So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality through Afterpay, book appointments, engage loyal buyers, and hire and pay staff. Across it all, we've embedded financial services tools at the point of sale, so merchants can access a business loan and manage their cash flow in one place. Afterpay furthers our goal to provide omnichannel tools that unlock meaningful value and growth, enabling sellers to capture the next generation shopper, increase order sizes, and compete at a larger scale.
Today, we are a partner to sellers of all sizes - large, enterprise-scale businesses with complex operations, sellers just starting, as well as merchants who began selling with Square and have grown larger over time. As our sellers grow, so do our solutions. There is a massive opportunity in front of us. We're building a significant, meaningful, and lasting business, and we are helping sellers worldwide do the same.
Job Description
Within Block's Hardware organization, the SQUID Platform Team provides the core OS that powers Square's Register and Terminal hardware products. Block takes pride in our product experience from manufacturing to end- customer experience, and this team works closely with partner teams throughout the hardware and software product lifecycle, from hardware manufacturing to the Android app teams. We work with external vendors on part selection and initial hardware bring-up, with a focus on customizing Android for Square's state-of-the-art security posture. This role will report to the engineering manager for the Core OS Platform team.
You will:

  • Work on projects spanning new product introduction and maintaining current product line and Platform features
  • Participate in all development phases from requirements gathering to production
  • Work with multiple partners across the organization including product, program management, QA, EE as well as other engineering teams
  • Collaborate with teammates during the software design process and participate in code reviews
  • Mentor engineers and help cultivate their career aspirations


Qualifications
You have:

  • 8+ years of development experience
  • Experience leading technically complex embedded software projects and mentoring other engineers
  • Programming experience in one or more of the following languages: C, C++, Java/Kotlin, and Python
  • An interest in building and shipping hardware products


Nice to have:

  • Experience with Linux/Android operating systems or kernel driver development
  • 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)
  • Interest in tuning hardware and software performance
  • Experience shipping consumer electronics products


Qualifications
You have:

  • 8+ years of development experience
  • Experience leading technically complex embedded software projects and mentoring other engineers
  • Programming experience in one or more of the following languages: C, C++, Java/Kotlin, and Python
  • An interest in building and shipping hardware products


Nice to have:

  • Experience with Linux/Android operating systems or kernel driver development
  • 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)
  • Interest in tuning hardware and software performance
  • Experience shipping consumer electronics products
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What are Block Perks + Benefits

Block Benefits Overview

At Block, we want to provide you with benefits, perks, and offerings that empower you to make choices for your life and what matters to you. We understand the importance of having quality care. So, whatever stage of life you’re in, we offer coverage and plans to support total health — physical, mental, and financial — for you and your family.

Culture
Volunteer in local community
Partners with nonprofits
OKR operational model
Team based strategic planning
Open office floor plan
Employee resource groups
Employee-led culture committees
Hybrid work model
Flexible work schedule
Remote work program
Diversity
Dedicated diversity and inclusion staff
Mandated unconscious bias training
Diversity employee resource groups
Hiring practices that promote diversity
Diversity recruitment program
Health Insurance + Wellness
Flexible Spending Account (FSA)
Disability insurance
Dental insurance
Vision insurance
Health insurance
Life insurance
Wellness programs
Mental health benefits
Wellness days
Abortion travel benefits
Financial & Retirement
401(K)
401(K) matching
Company equity
Employee stock purchase plan
Performance bonus
Pay transparency
Child Care & Parental Leave
Childcare benefits
Generous parental leave
Family medical leave
Adoption Assistance
Fertility benefits
Vacation + Time Off
Generous PTO
Paid holidays
Paid sick days
Flexible time off
Floating holidays
Bereavement leave benefits
Office Perks
Company-sponsored outings
Free snacks and drinks
Some meals provided
Company-sponsored happy hours
Onsite office parking
Relocation assistance
Fitness stipend
Professional Development
Job training & conferences
Lunch and learns
Promote from within
Mentorship program
Online course subscriptions available
Customized development tracks
Personal development training
Virtual coaching services
Apprenticeship programs

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