Firmware Engineer II

ASSA ABLOY Opening Solutions

. Develop embedded firmware applications for next-generation digital door lock products using BLE, Zigbee, WiFi, and other network technologies .

Posted 10/9/2026full-timeBerlin • Connecticut • United StatesMid-LevelSenior💰 $95,000 - $119,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing embedded firmware applications for IoT devices, with a strong focus on C programming, communication protocols, and system optimization. Collaborates effectively within a scrum team to ensure high-quality code and integration with hardware components.

Highest-signal resume keywords

Embedded DevelopmentC ProgrammingRTOSCommunication ProtocolsCode Optimization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Embedded Firmware DevelopmentC LanguageMulti-Threaded ApplicationsAutomated Unit TestingPower ManagementTask SchedulerException HandlingDebuggingCode ReviewsFeature Integration

Soft Skills

CollaborationTeam SupportBest Coding Techniques

Tools & Technologies

GitJiraBLEZigbeeWiFiI2CSPIUART

Industry Keywords

IoT ApplicationsFirmware DevelopmentSystem ArchitectureHardware AnalysisScrum

Tech Stack

Tools & technologies

IoTRTOS

About the role

Key responsibilities & impact

Develop embedded firmware applications for next-generation digital door lock products using BLE, Zigbee, WiFi, and other network technologies
Work with internal and/or contract firmware developers and architects on design and system architecture discussions, hardware analysis, and application design
Program and debug code
Write automated unit test scripts for developed and integrated features
Participate in code reviews, code optimization, power management, unit testing, and feature integration
Collaborate with the hardware team during design, development, and integration
Assist team members with best coding techniques for embedded firmware applications
Work within a scrum team to collaborate on design

Requirements

What you’ll need

BS or MS in Computer Engineering, Computer Science, or related field of study.
3+ years of embedded development experience using C language.
Must be proficient with C, RTOS, Git, and Jira
Experience in design, development, and testing complex, multi-threaded embedded IoT applications
Experience with communication protocols via I2C, SPI, UART, and others
Specializing in optimizations for code size, execution speed, memory usage, task scheduler and interrupt controlling, exception handling, and power management

Benefits

Comp & perks

Paid time off, including sick and vacation days
13 paid holidays
Job-protected leave benefits in accordance with applicable law
Medical, dental, vision, and life insurance
Health and flexible savings account subject to eligibility requirements
401(k) plan with employer contributions and matching subject to plan eligibility
Supplemental life insurance
Short-term and long-term disability benefits
Employee discounts
Tuition Reimbursement
Learning and Career Development opportunities
Employee Assistance Program
Discount portal
Recognition, well-being, and employee experience programs designed to support and celebrate you throughout your career