Embedded Software Engineer II; Hybrid

Punch Through is a design and engineering firm specializing in connected medical device development. For more than 15 years, we’ve helped innovators bring secure, reliable, and compliant products to market, building technology that improves lives and creates lasting impact. Take a look at our website, and you’ll see what we mean.

Punch Through is growing, with a variety of medical and non‑medical projects in progress and new ones kicking off soon. This is where you come in. You’ll work closely with other embedded engineers, as well as mobile app engineers, cloud/backend engineers, and electrical engineers to create and deliver connected solutions that solve complex technical challenges for our clients.

As an Embedded Software Engineer at Punch Through, you’ll have the opportunity to contribute to a variety of projects, from quick‑turn proofs of concept to multi‑year development programs, designing and building solutions from the ground up, all the way through to launch and scale.

This position is hybrid. Our hybrid positions are for those located in the Minneapolis/ Saint Paul MN area and have in‑office days on Tuesdays and Wednesdays and in‑person team collaboration when you feel it’s necessary. The in‑office days have ample opportunities to connect with your team mates through provided lunch, afternoon happy hour, and more!

Whether in the office or at home, we offer desk setups to allow you to work comfortably wherever you are.

We participate in the E‑Verify hiring process. To learn more please see E‑Verify Overview.

• Develop firmware and embedded software for connected products using wireless protocols including BLE and Wi‑Fi
• Participate with a team of other embedded software engineers in requirements gathering, task definition, and execution phases of a project, in an iterative, agile workflow
• Utilize AI tools and methodologies in software product development to optimize productivity
• Execute firmware development in compliance with regulated processes such as IEC 62304 medical device standards
• Coordinate with a cross‑disciplinary team to deliver high‑quality firmware and software solutions for clients’ connected products
• Understand and balance engineering tradeoffs between technical approach, scope, and schedule
• Deliver verbal and written status updates to clients’ engineers and stakeholders
• Generate supporting technical documentation, including design specifications and product requirement specifications

• Core
  
  Languages:
  
  C, C++, Python
• Operating Systems / RTOS:
  Bare‑metal, Zephyr, FreeRTOS, QP, Embedded Linux (Yocto Project)
• Hardware Platforms:
  Nordic Semiconductor, Silicon Labs, STMicroelectronics, Espressif, NXP
• Protocols: BLE (Bluetooth Low Energy), Wi‑Fi, MQTT, HTTPS, Serial Comms Protocols
• Tools & Infrastructure:
  Git, GCC/Clang/ARMCC/IAR tool chains, Logic Analyzers, Oscilloscopes, J‑Link debuggers, Test Frameworks (pytest / Unity / CMock), CI/CD automated test runners

• 3–10 years of professional experience in firmware development
• Demonstrably high proficiency in C
• Experience in developing low‑level drivers and application‑level firmware for microcontrollers and/or microprocessors
• Experience with a variety of tool chains and development environments
• Experience bringing up and debugging hardware using a logic analyzer, oscilloscope, etc.
• Experience with version control using Git
• Proficient in writing modular, testable code that can support unit and integration testing
• Engagement in applying AI within software development
• Strong written and verbal communication skills
• Desire and curiosity to learn new thing

• Operating Systems:
  Experience with embedded RTOS or embedded Linux
• Wireless & Connectivity:
  Design experience with connected BLE or Wi‑Fi systems, networking protocols, and corresponding data transfer & command protocols
• Cybersecurity:
  Experience with embedded security practices such as secure boot, data encryption, and secure communication, or system‑level cybersecurity threat management
• Regulated Medical Software:
  Familiarity with IEC 62304 standards for designing, developing, and verifying medical device…