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Square · 19 hours ago

Embedded/Firmware Engineer Intern (Summer 2026)

United States

Internship

Remote

Intern

$46/hr - $51/hr

Start in 2026 Summer

Square is a technology company focused on increasing access to the global economy through its various brands. The Embedded/Firmware Engineer Intern will work with firmware engineers to develop, test, and debug embedded software for Square's Connected Hardware products, gaining hands-on experience with real-world embedded systems.

BitcoinFinTechMobile PaymentsProductivity ToolsRetail Technology

H1B Sponsor Likely

Responsibilities

Contribute code to embedded firmware running on resource-constrained devices

Help develop and maintain drivers, features, or system components under guidance from senior engineers

Learn and apply best practices in embedded software development, including code reviews, documentation, and testing

Write and run tests to validate firmware behavior and product features

Use debugging tools to investigate and help resolve firmware issues

Collaborate with partners such as electrical engineering, manufacturing, and quality teams

Gain exposure to communication protocols and hardware/software integration

Qualification

Embedded systemsC programmingC++ programmingMicrocontrollersCommunication protocolsVersion controlDebuggingModular code

Required

Currently pursuing a BS or MS in Computer Science, Computer Engineering, Electrical Engineering, or a related field with a graduation date between May 2027 and May 2030

Recent bootcamp graduates and engineering training participants are also considered within three months of completing program/training requirements

Coursework or project experience in systems programming, embedded systems, or low-level software

Experience programming in C or C++ (through coursework, labs, or personal projects)

Familiarity with basic software engineering concepts such as version control, modular code, and debugging

Preferred

Microcontrollers, RTOS concepts, or bare-metal programming

Communication protocols (e.g. SPI, I2C, UART, and USB)

Benefits

Remote work

Medical insurance

Flexible time off

Retirement savings plans

Modern family planning

Company

Square

Glassdoor3.9

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square.

Founded in 2009

San Francisco, California, USA

1001-5000 employees

https://block.xyz

H1B Sponsorship

Square has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (257)

2024 (253)

2023 (260)

2022 (297)

Funding

Current Stage

Public Company

Total Funding

$4.8B

Key Investors

GICKleiner PerkinsSequoia Capital

2025-08-13Post Ipo Debt· $2.2B

2024-05-06Post Ipo Debt· $2B

2023-01-11Post Ipo Equity

Leadership Team

Camille Vergara

Product Manager

Conor Delahunty

Product Manager

Recent News

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2026-01-22

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2026-01-21

Venturebeat

Claude Code costs up to $200 a month. Goose does the same thing for free.

2026-01-20

Company data provided by crunchbase