Principal Software Engineer Salaries in Lexington, MA

Demonstrated technical expertise across the full stack — you can debug, design, and ship across frontend, backend, infrastructure, and AI layers.

$280,000 - $500,000 a year

Serve as a senior individual contributor and technical lead for new product development by translating product objectives, customer needs, and system…

$144,000 - $216,000 a year

4 days ago

You'll be expected to lead from the front: designing systems, shaping roadmaps, mentoring engineers, and driving decisions that outlast any single sprint.

$220,000 - $290,000 a year

This role leads the design and implementation of real-time software controlling robot motion, navigation, sensing, communications, safety systems, and hardware…

Mentoring engineers through code reviews and technical guidance. Owning features across the full stack — React frontends, backend APIs, cloud infrastructure —…

$163,800 - $257,400 a year

You will coach engineers and stakeholders of the Datastore on design patterns, collaborate with product and technical leads across platform and scientific teams…

$190,000 - $210,000 a year