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Firmware Developer Work Location: Bucks County, Pennsylvania Summary: Contribute to the creation and advancement of in-house solutions for patient monitoring and management applications, focusing on firmware development and device integration. Responsibilities: Develop and troubleshoot firmware for both BareMetal and RTOS-based boards, ensuring robust device functionality. Collaborate with electrical engineers to bring up new PCBs using schematics and support hardware integration. Create and maintain Python scripts for device testing and automation of validation processes. Verify firmware and system features, ensuring compliance with product requirements and specifications. Design and execute test procedures to confirm product conformance and analyze test data to generate detailed reports. Investigate and resolve device failures, performing root cause analysis and implementing corrective actions. Manage project timelines, resources, and maintain comprehensive technical documentation throughout the development lifecycle. Support field activities, including travel to customer sites for installation, troubleshooting, and technical support as needed. Qualifications: Bachelor's degree with a minimum of 5 years’ experience, or a Master's degree with a minimum of 3 years’ experience preferred, in computer engineering, computer science, electrical engineering, or related field; equivalent work experience considered. Proven experience with at least one ARM MCU family such as Ambiq Apollo, Nordic (52, 53, 54, 91), Cypress USB chips, or Alif (strongly preferred). Hands-on experience with at least one technology: BLE, WIFI, LTE, GNSS, USB-MSC, or USB-RNDIS. Experience with low power applications and embedded device security is a plus. Familiarity with communication protocols (I2C, SPI, UART, USB) and working with sensors, memory, and power management components. Understanding of the software development lifecycle, including requirements, design, implementation, testing, and support for manufacturing/production. Knowledge or experience with software development processes such as CMMI is a plus. Ability to write technical documentation, including requirements, design documents, test cases, and procedures. Experience with source code version control tools (e.g., Bitbucket) and issue tracking tools (e.g., Jira). Proficiency with Microsoft Office products (Word, Excel, PowerPoint, etc.). Ability to travel up to 25% to support customers at their locations, including hospitals and military bases.
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Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.