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Principal Software Engineer (Embedded Firmware)

Tandem Diabetes Care
$190,000.00 - $220,000.00 / yr
paid time off, paid holidays, 401(k), remote work
United States, California, San Diego
12400 High Bluff Drive (Show on map)
Sep 18, 2025

GROW WITH US:
Tandem Diabetes Care creates new possibilities for people living with diabetes, their loved ones, and their healthcare providers through a positively different experience. We'd love for you to team up with us to "innovate every day," put "people first," and take the "no-shortcuts" approach that has propelled us to become a leader in the diabetes technology industry.

STAY AWESOME:
Tandem Diabetes Care is proud to manufacture and sell the Tandem Mobi system and t:slim X2 insulin pump with Control-IQ+ technology - an advanced predictive algorithm that automates insulin delivery. But we're so much more than that. Our company's human-centered approach to design, development, and support delivers innovative products and services for people who use insulin. Because many of our own team members live with diabetes, or have a loved one impacted by diabetes, the work is personal, and we are committed to the cause. Learn more at tandemdiabetes.com

A DAY IN THE LIFE:

A highly skilled team leader responsible for the design and architecture of medical device software developed by embedded software teams at Tandem. The principal engineer is among the team's most senior individual contributors and takes on some of the most challenging problems. This leadership role elevates the technical capabilities of everyone through mentorship, technical guidance, and by modeling Tandem values.
  • Plays an active leadership role in the development, modification, and testing of software units per corporate software process documents.
  • Establishes and enforces strong software engineering practices, concepts, and techniques across multiple software teams.
  • Proactively identifies opportunities in software process, discusses with peers, and implements proposals to address gaps.
  • Provides technical guidance to major programs and software engineering teams.
  • Responsible for the training, mentoring, and development of junior team members.
  • Guides the team through strategic design and architecture decisions.
  • Creates, maintains, and reviews software design specifications, interface descriptions, and other software documentation.
  • Creates, maintains, and reviews software requirements specifications.
  • Influences software test strategy and supports validation and verification activities.
  • Creates training procedures and course materials.
  • Evaluates and recommends tools, technologies, and processes.
  • Prepares project status reports including milestone dates, product backlog tasks and other aspects of the Design Control process.
  • Manages assigned projects to completion.
  • Reviews final project documentation (including Design History Files) for content and accuracy.
  • Serves as a subject matter expert on technical matters and often serves as consultant to management.
  • Works on issues that impact design/selling success or address future concepts, products, or technologies.
  • Supports other departments as needed and considers project-wide impacts in decision making.
  • Maintains a general knowledge of the competitive landscape.
  • Stays abreast of the company's regulatory strategy.
  • Embraces the Design Control process by leading design reviews and maintaining design history files.
  • May act as designated Tandem Software Development representative with outside entities such as clinical research organizations.
  • Analyzes returned products to determine root cause of failure.
  • Proficiency in leveraging AI-powered development & work productivity tools (e.g., GitHub Copilot, Cursor AI, ChatGPT, Microsoft Co-Pilot, AI-assisted testing, and code generation) to enhance productivity, code quality, and software delivery.
  • Ensures compliance with company policies, including Privacy/HIPAA, and other legal and regulatory requirements.
  • Participates in the daily scrums for all involved projects.

YOU'RE AWESOME AT:

  • Deep knowledge and experience with formal software.
  • Skilled at fostering an environment that supports an effective exchange of information between diverse groups.
  • Ability to scope, estimate time needed and track large scale development projects.
  • Skilled at defining and translating high-level requirements into software design and implementation.
  • Able to lead cooperative work efforts within and between teams.
  • Adept at leading change initiatives and ensuring the redeployment of resources within and between groups to meet new objectives.
  • Able to assert own ideas and persuade others through effectively consolidating, evaluating, and presenting relevant information.
  • Knowledge of Good Documentation Practices (GDP) preferred.

EXTRA AWESOME:

  • 10 years' experience in the field of embedded firmware software development for medical devices or a related area.
  • Experience in the "C" programming language preferred.
  • Bachelor's degree in engineering or computer sciences or related field or equivalent combination of education and applicable job experience.
  • Experience with device driver development and software/system debugging.
  • Experienced with software life cycle development for medical device software.

WHEN & WHERE YOU'LL WORK:
Hybrid: This role will be a mix of in-office work at our corporate headquarters in Del Mar, CA and remote work. This position is expected to be in office 1-2 days per week but may vary depending on business demands.

COMPENSATION & BENEFITS:

The starting base pay range for this position is $190,000 - $220,000 annually. Base pay will vary based on job-related knowledge, skills, experience and may also fluctuate depending on candidate's location and the overall job market. In addition to base pay, Tandem offers a competitive compensation package that includes bonus and a robust benefits package.

Tandem offers health care benefits such as medical, dental, vision, health savings accounts and flexible saving accounts. You'll also receive 11 paid holidays per year, a minimum of 20 days of paid time off (starting in year 1) and have access to a 401k plan with company match. Learn more about Tandem's benefits here!

YOU SHOULD KNOW:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable state and local Fair Chance laws and regulations. A conditional offer of employment from Tandem is contingent upon successful completion of a thorough screening process comprised of a drug test (excluding Marijuana) and background check, which includes a review of criminal history information. Tandem has good cause to conduct a review of criminal history information of candidates for this position, as this role may involve access to proprietary, sensitive and/or confidential information, including customer protected health information. This review is required to ensure that individuals in such roles uphold high standards of trust and integrity so as to protect the interests of our customers, employees, and stakeholders.

If you are applying for this job and live in California, please read Tandem's CCPA Notice: https://www.tandemdiabetes.com/careers/california-consumer-privacy-act-notice-for-job-applicants.

#LI-KT1 #LI-Hybrid

SPONSORSHIP:

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

The position will be posted until a final candidate is selected for the requisition or the requisition has a sufficient number of applications.

WHY YOU'LL LOVE WORKING HERE:
At Tandem, we believe joy fuels excellence. That's why we've built a workplace that celebrates your achievements and supports your well-being. Our team thrives on pushing boundaries and fostering growth, all while maintaining a spirit of fun and camaraderie. This is just one of the ways we stay awesome! Explore the benefits and reasons to love Tandem at https://www.tandemdiabetes.com/careers.

BE YOU, WITH US!

We embrace the value that every single one of us brings to the table. But sometimes we forget that when we don't meet 100% of a job description's criteria - maybe you're feeling that way right now? We encourage you to apply anyway. Because we want you to be you, with us.

Tandem is firmly committed to being an equal opportunity employer and does not discriminate on the basis of age, disability, sex, race, religion or belief, gender identity or expression, marriage/civil partnership, pregnancy/maternity, or sexual orientation. We are an inclusive organization, and we welcome applications from a wide range of candidates. Selection for roles will be based on individual merit alone.

REFERRALS:
We love a good referral! If you know someone who would be a great fit for this position, please share!

APPLICATION DEADLINE:
The position will be posted until a final candidate is selected for the requisition or the requisition has a sufficient number of applications.

Make a move that matters. Join Tandem Diabetes Care, where we're turning challenges into triumphs every day and where your talents will help shape a healthier, happier tomorrow.

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