Top Principal Engineer Jobs in Boston, MA

Lead and mentor a team in developing motion planning software for autonomous vehicles, focusing on algorithms, safety, and collaboration.

Seeking a Principal Engineer to design, build, and scale payment processing systems, ensuring performance and security for high-volume transactions.

The role involves defining and implementing CPU system RTL, collaborating with teams on delivering functional and efficient CPU designs, and optimizing power, performance, and area.

The Principal Engineer will lead embedded system development, act as a Product Owner, engage in business development, and support client negotiations.

The Principal Software Engineer will oversee engineering efforts, mentor engineers, and drive architectural strategies in developing large-scale financial systems, focusing on payments, identity, and risk management.

We seek a Principal Software Engineer to design scalable, high-performance systems, mentor teams, drive engineering best practices, and enhance mobility solutions.

You will lead and mentor engineers while driving the development of solutions for autonomous vehicles using Machine Learning and software engineering principles.

Develop and maintain trading applications and tools, translate trader strategies into technical requirements, and contribute to system architecture and code quality.

Lead architectural decisions, mentor teams, and implement emerging technologies for scalable solutions in a SaaS environment.

Lead the platform team in optimizing cloud infrastructure to support high-throughput trading applications while mentoring peers and juniors.

Lead the technical direction of the pricing platform, developing scalable backend services in Python, optimizing pricing strategies, mentoring engineers, and collaborating with other teams.

The Principal Engineer will develop analysis methods for the structural integrity of metallic systems in high-temperature reactors, review assessments, and support design efforts.

Lead Ads Measurement strategy and execution, improving ad performance through engineering solutions and cross-functional collaboration, mentoring team members.

Oversee a team to develop impactful healthcare technology using React and Ruby on Rails, setting software architecture and best practices.

As a Senior+ Engineer, you will lead the design and architecture of impactful open-source projects while mentoring teams, coding, and engaging with the community.

The Vice President – Senior Principal Engineer will drive technology innovation, architecture, and mentoring across teams in building next-generation software solutions.

The Principal Software Engineer will lead the architecture and development for compute platforms and services, with a focus on building scalable systems using AWS and Kubernetes. Responsibilities include design discussions, developing Infrastructure-As-Code, and providing production support.

Lead the design and implementation of LLM-integrated web applications, managing full-stack systems and collaborating with cross-functional teams to enhance human-AI collaboration workflows.

Lead the design and development of the Android POS system at Toast. Drive architectural improvements, mentor team members, and ensure technical quality of deliverables.

As a Principal Quality Development Engineer, you will test product features, automate tests, provide feedback, and assist in diagnostics for customer issues.

Seeking a Senior Principal Design Verification Engineer with expertise in FPGA verification, team leadership, and mentorship, focusing on verification environments and test plans.

Lead the architecture and development of a new product, ensuring scalability and high performance while mentoring engineers and driving improvements in development practices.

The Principal Site Reliability Engineer ensures that SaaS products are fast and stable, focusing on automating processes, monitoring systems, and collaborating across teams to enhance product performance and reliability.

Lead the technical vision and architecture for a browser-automation stack, mentoring engineers while writing high-performance code and ensuring product alignment with developer needs.

As a Principal Software Engineer, you'll architect and lead complex implementations, collaborate with teams, and mentor engineers while improving developer experience.