Principal Software Engineer Salaries in Princeton, NJ

3+ years developing LLM-powered applications in production, including prompt design, RAG/vector search, evaluation frameworks, and performance optimization.

$144,200 - $288,400 a year

Act as a senior technical advisor and mentor, raising engineering standards through design reviews, technical guidance, and hands-on leadership in solving the…

$240,000 - $290,000 a year

You will design and implement Python-based agents that orchestrate models, tools, and data to automate real-world decision-making at scale.

Responsible for the design, implementation, integration and maintain automation systems across manufacturing operations.

$96,500 - $183,500 a year

Develops moderate to complex control configuration or programming in accordance with design documents to meet functional requirements.

$109,500 - $208,500 a year

7-10 years Exceptional communication and interpersonal skills, including the ability to articulate complex technical concepts to both technical and non-…

$137,000 - $202,000 a year