Staff Software Engineer, AI/Machine Learning

pSemi Corporation is a Murata company driving semiconductor integration. pSemi builds on Peregrine Semiconductor’s 30-year legacy of technology advancements and strong IP portfolio but with a new mission—to enhance Murata’s world-class capabilities with high-performance semiconductors. With a strong foundation in RF integration, pSemi’s product portfolio now spans power management, connected sensors, optical transceivers, antenna tuning and RF frontends. These intelligent and efficient semiconductors enable advanced modules for smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices and healthcare. From headquarters in San Diego and offices around the world, pSemi’s team explores new ways to make electronics for the connected world smaller, thinner, faster and better.

Job Summary

As a Staff Software Engineer specializing in AI/ML, you will be entrusted with end-to-end ownership of designing, developing, and deploying state-of-the-art AI/ML solutions, leveraging large language models (LLMs) such as GPT4.1, Llama, and Gemini. You will architect and spearhead the creation of advanced Agent frameworks, applying Agentic AI principles to enable autonomous decision-making and task execution. With full autonomy, you will shape and implement systems that drive the automation of RFIC design workflows, directly influencing efficiency and accuracy outcomes. This is a leadership role for an expert contributor who thrives on accountability throughout the entire product lifecycle—from concept and prototyping to scalable deployment and continuous improvement. You will operate at the forefront of RFIC innovation, powering next-generation technologies such as 5G and beyond.

Roles & Responsibilities

This position has responsibility for:

• Backend Development : Architect, implement, and maintain robust APIs and backend systems for seamless LLM integration, utilizing frameworks such as Flask and FastAPI. Take full responsibility for backend database infrastructure, including the design, scaling, and optimization of SQL, NoSQL, and vector databases.
• Agent Frameworks : Exercise full ownership over the conception, design, and realization of intelligent, agent-based systems using Agentic AI principles (Langchain, OpenAI Agents, Google ADK). Define and set technical direction, ensuring systems operate autonomously and reliably.
• Data Management : Direct all backend software initiatives related to data management, including designing and implementing database infrastructures and RAG (Retrieval-Augmented Generation) systems to optimize LLM performance.
• RFIC Design Automation : Oversee, architect, and continuously improve scalable software architectures that automate key stages of RFIC design, such as simulation, data collection, and verification. Champion automation to drive measurable impact on workflow efficiency and design accuracy.
• Model Implementation : Serve as the technical authority collaborating across engineering teams to integrate and operationalize advanced AI models (GPT, Gemini, Claude, Llama, etc), ensuring autonomous data flow and system intelligence.
• Research & Documentation: Independently investigate and assess emerging AI/ML technologies and frameworks, proactively identifying opportunities to apply them within the semiconductor industry. Produce clear, actionable documentation to disseminate knowledge and drive adoption across teams.

Minimum Qualifications (Experience and Skills)

• Typically requires 8+ years of progressive, hands-on experience in software engineering, with a focus on AI/ML systems.
• Deep proficiency in Python/Java/C++, with extensive background in object-oriented software design, debugging, and optimization.
• Demonstrated expertise in building, deploying, and scaling AI/ML applications, including deep learning, generative AI, LLMs, and multi-agent systems.
• Experience defining technical direction and leading Agile, cross-functional teams on complex projects.
• Exceptional written and verbal communication skills, with a proven ability to document and present technical designs and decisions.
• Track record of independent, high-impact contributions to AI/ML projects.

Preferred Qualifications

• Direct experience with CMOS and/or RF circuit design.
• Advanced knowledge of cloud platforms (AWS, Azure, GCP) and CI/CD best practices.
• Proficiency in scripting (Perl, Python, R, Matlab, Shell), containerization (Docker), and orchestration (Kubernetes).
• Familiarity with IC verification, analog/digital IC design
• Knowledge of neural networks, and ML frameworks (TensorFlow, PyTorch).
• Experience with EM simulation tools (Cadence, ADS), distributed systems, and advanced data storage principles.
• Deep understanding of LLMs, generative AI, agentic design patterns, and scalable data management.

Education Requirements

• Bachelor's degree in one of: Computer Engineering, Computer Science or Electrical Engineering
• Master's degree in Computer Engineering, Computer Science, Data Sciences or Electrical Engineering preferred

Work Environment

This job operates in a professional office environment. This role routinely uses standard office equipment.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and arms. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus. This position requires the ability to occasionally lift office products and supplies, up to 20 pounds.

USD 170,503.03 - 221,666.22 per year

pSemi Corporation supports a diverse workforce and is committed to a policy of equal employment opportunity for applicants and employees. pSemi does not discriminate on the basis of age, race, color, religion (including religious dress and grooming practices), sex/gender (including pregnancy, childbirth, or related medical conditions or breastfeeding), gender identity, gender expression, genetic information, national origin (including language use restrictions and possession of a driver’s license issued under Vehicle Code section 12801.9), ancestry, physical or mental disability, legally-protected medical condition, military or veteran status (including “protected veterans” under applicable affirmative action laws), marital status, sexual orientation, or any other basis protected by local, state or federal laws applicable to the Company. pSemi also prohibits discrimination based on the perception that an employee or applicant has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.

Note: The Peregrine Semiconductor name, Peregrine Semiconductor logo and UltraCMOS are registered trademarks and the pSemi name, pSemi logo, HaRP and DuNE are trademarks of pSemi Corporation in the U.S. and other countries. All other trademarks are the property of their respective companies. pSemi products are protected under one or more of the following U.S. Patents: