Job Application for Senior or Principal Software Engineer

Calyxo, Inc. is a medical device company headquartered in Pleasanton, California, USA. The company was founded in 2016 to address the profound need for improved kidney stone treatment. Kidney stone disease is a common, painful condition that consumes vast amounts of healthcare resources each year. Our team is led by executives and investors with a proven track record of commercializing paradigm-shifting devices to meet unmet needs within urology.

Are you ready to change the future of kidney stone treatment? We are seeking high achievers who want to be part of a dynamic team working in a fun, diverse atmosphere.

About this position:

Calyxo is seeking a highly skilled and motivated Senior or Principal Software Engineer to join our dynamic team. The successful candidate will be responsible for the design and development of our innovative medical software applications, ensuring compliance with relevant regulations and processes.

Responsibilities:

Design and implement software solutions for medical devices, including image processing algorithms and embedded controllers.
Develop and maintain device drivers and applications for medical device.
Develop and execute unit tests with software verification.
Conduct performance testing and optimize code to meet the requirements.
Document software design and code review following the defined procedures in compliance with IEC62304.
Bring prototypes into product level software (in an FDA regulated environment).
Work independently and exercise judgment in making software changes.
Cross-functional communication. Ability to communicate highly technical areas to management, manufacturing and quality.

Minimum Qualifications:

Bachelor’s degree in computer science, Software Engineering, or related field experience
8+ years of industry experience with at least 3 years in medical device
Track record in understanding and programming skills of embedded systems to RTOS and Linux, using Python and C/C++.
Experience with various software development methodologies, including Agile, DevOps, and Waterfall.
Proven problem-solving skills and the ability to work in a collaborative team environment.

Preferred qualifications:

Experience in IEC62304 for medical devices or any other regulatory environment like automotive or aerospace.
Experience in computer vision, image processing, and machine learning algorithms.
Familiarity with deep learning frameworks such as TensorFlow and PyTorch.

What We Offer:

At Calyxo, you will be part of a knowledgeable, high-achieving, experienced and fun team. You will work in a diverse work environment with experienced, proven leaders and have an opportunity to shape our company culture. You will experience constant learning and dynamic challenges to help you grow and be the best version of yourself.

Role and level determine our salary ranges. Your position within that range will depend on your job-related knowledge, skills, experience, relevant education, training, and certifications. In addition to those factors, we also examine internal equity as well as consider the current market rate and location, and the title may be assessed one level lower or higher accordingly. After you join Calyxo, your performance, contributions, and results, along with the business and organizational needs, will affect your base salary. The expected base salary range for this full-time position is between $170,000 - $310,000 plus equity and benefits.

Calyxo is deeply committed to fostering an environment where diversity and inclusion are not only valued but also prioritized. We believe a diverse and inclusive community empowers us to act courageously, care deeply, and dream boldly to impact people in big ways. Diverse viewpoints bring diverse capabilities, which strengthen our focus and fuel our growth.

Calyxo is proud to be an equal opportunity employer, seeking to create a welcoming and diverse environment. All applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status or any other applicable legally protected characteristics

Legal authorization to work in the United States is required. In compliance with federal law, all persons hired will be required to verify their identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.

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How did you hear about us?

Do you have 8+ years of experience in embedded systems (C/C++, RTOS, or Linux)? At which companies and for how long?

Are you familiar with embedded system architectures and memory constraints? Where did you gain this experience?

Can you share the companies where you have worked on software development for medical devices or other safety-critical systems? How long did you work at each company?

Can you describe your understanding of FDA regulatory requirements for medical device software development? In which companies did you apply these regulations, and for how long were you in these roles?

Can you describe any projects where you were responsible for leading or managing the entire software development lifecycle from concept to completion? At which companies did this take place, and how long were you responsible for these roles?

At which companies have you applied Agile and DevOps methodologies in your past roles and how long did you work at each?

At which companies have you worked with Git and continuous integration (CI) tools, and for how long at each?

Can you share at which company you implemented image processing algorithms using Python or C++ and for how long you worked on these projects?

How familiar are you with computer vision and machine learning concepts? At which companies did you apply these concepts, and for how long?

What experience do you have working with deep learning frameworks such as TensorFlow or PyTorch? Which companies were involved, and how long did you utilize these tools?

Can you share your experience transitioning software prototypes into production-ready solutions within a regulated environment? Which companies were you working at, and for how long were you involved in these projects?

How comfortable are you working independently and making key technical decisions? At which companies did you successfully make such decisions, and for how long were you in those roles?

Would you consider yourself strong in problem-solving and communication? In which companies did you demonstrate these skills, and for how long did you work there?

How do you approach learning and adapting to new technologies? Which companies have you worked at where you quickly picked up new tools or frameworks, and how long were you in those roles?

Senior or Principal Software Engineer - Pleasanton, CA

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