Principal Software Engineer

Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. Improving how we live, work, and move today and for the next generation! We know that the only way a business thrives is if our people are thriving. That’s why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you?

We are developing AI-native products that bring generative intelligence into the physical world. As a Principal Engineer, you will set the technical direction for systems that blend cloud infrastructure, machine learning, and hardware interaction. You will be responsible for defining architecture that is robust, scalable, and adaptable to rapid research and product iteration.

This is a high-impact role for a technical leader who thrives on deep systems work and cross-disciplinary problem solving. You will work closely with engineers, ML researchers, product managers, and executives to define the architecture and foundational components that will support the next generation of intelligent, interactive systems. Your decisions will influence the trajectory of multiple engineering teams and the product itself.

This position is remote.

You’ll make an impact by:

• Define and evolve the technical architecture across core systems and products
• Provide hands-on technical leadership on strategic projects
• Lead technical reviews and mentor engineers across all levels
• Align engineering direction with product and ML research priorities
• Identify and address scaling challenges before they become bottlenecks
• Champion engineering excellence, reliability, and system sustainability

• Define and evolve the technical architecture across core systems and products
• Provide hands-on technical leadership on strategic projects
• Lead technical reviews and mentor engineers across all levels
• Align engineering direction with product and ML research priorities
• Identify and address scaling challenges before they become bottlenecks
• Champion engineering excellence, reliability, and system sustainability

Technologies We Use

• Languages: Python, Go, TypeScript
• ML: PyTorch, HuggingFace, ONNX Runtime, LangChain
• Infrastructure: AWS, Kubernetes, Redis, Postgres, S3, Terraform
• DevOps & Observability: GitHub Actions, Datadog, Grafana, Prometheus

We do not expect deep experience with every tool, but we are looking for engineers who have repeatedly solved difficult problems at scale, and who know how to make good technical decisions under uncertainty.

You will win us over by having the following qualifications:

Basic Qualifications

• 10+ years of professional software development experience
• Experience designing and scaling distributed systems and real-time applications
• Proven ability to lead technical strategy and cross-team architecture efforts
• Proficiency in at least one backend systems language (e.g., Python, Go, Java)
• Strong understanding of system design, performance optimization, and fault-tolerance

• 10+ years of professional software development experience
• Experience designing and scaling distributed systems and real-time applications
• Proven ability to lead technical strategy and cross-team architecture efforts
• Proficiency in at least one backend systems language (e.g., Python, Go, Java)
• Strong understanding of system design, performance optimization, and fault-tolerance

Preferred Qualifications

• Experience bridging machine learning research and production environments
• Background in building systems that operate in or interact with the physical world
• Ability to influence engineering orgs and contribute to hiring and culture
• Track record of mentoring senior and staff-level engineers

About the Team:

We are an early-stage engineering team solving hard technical problems at the intersection of AI, systems, and real-world interaction. We operate with high autonomy, collaborate closely across functions, and maintain high technical standards. Principal Engineers at our company are expected to lead by example, model engineering excellence, and shape both what we build and how we build it.

Our Commitment to Equity and Inclusion in our Diverse Global Workforce:

We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.

You’ll Benefit From

Siemens offers a variety of health and wellness benefits to our employees. Details regarding our benefits can be found here:

The pay range for this position is $167,178 - $226,236 annually with a target incentive of 15% of the base salary. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications, and premium geographic location.

Equal Employment Opportunity Statement

Siemens is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.

EEO is the Law

Applicants and employees are protected from discrimination on the basis of race, color, religion, sex, national origin, or any characteristic protected by Federal or other applicable law.

Reasonable Accommodations

If you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please fill out the accommodations form by clicking on this link Accommodationfor disability form . If you’re unable to complete the form, you can reach out to our AskHR team for support at View phone number on click.appcast.io. Please note our AskHR representatives do not have visibility of application or interview status.

Application Deadline

This role will be posted for a minimum of five (5) days from the original posting date. The posting timeline may change based on applicant volume to ensure we attract and consider a strong and representative candidate pool.

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Pay Transparency

Siemens follows Pay Transparency laws.

Criminal History

Qualified applications with arrest or conviction records will be considered foremployment in accordance with applicable local and state laws.

Costa Mesa , California , United States of America

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