Top Principal Engineer Jobs in Boston, MA

The Integration and Test Architect will lead the design of system integration and test processes for robotic platforms, ensuring comprehensive testing and collaboration across multiple engineering disciplines to pave the way for successful product launches.

Lead the development and integration of advanced safety systems for scientific AI applications, building a team and establishing a research strategy.

As Principal Engineer, you will lead the technical strategy for the Phone Numbers Platform, focusing on modernizing systems, integrating AI workflows, ensuring high availability, and mentoring engineers.

As a Principal Engineer, you will design and maintain internal pipeline tools, develop creative applications, and lead on technical projects, ensuring efficient workflows across teams.

The Principal Packaging Engineer will oversee lab operations, manage packaging development projects, ensure compliance with standards, and provide strategic direction to teams.

The Principal Engineer will lead technical strategy, mentor teams, contribute to codebase, manage cloud infrastructure, and enforce security practices.

The Principal Applications Developer leads complex subsystem design and delivery, ensures architectural integrity, influences technical strategies, and mentors developers while managing risks across teams.

The Principal Electrical Systems Engineer will lead the development of prototypes, design reusable modules, and evaluate new technologies for future product platforms, collaborating across teams.

The Principal Product Analytics Engineer leads the design and architecture of Toast's product analytics ecosystem, ensuring reliable and scalable data for analysis across various platforms. This role involves creating data frameworks, implementing quality controls, and collaborating with cross-functional teams to support data-driven product development and AI insights.

Lead photolithography process engineering and team for wafer fabrication. Responsibilities include optimizing processes, troubleshooting, and collaborating on tech development.

Lead design, build, and optimization of Sezzle's large-scale data warehousing and pipelines. Own data infrastructure KPIs/SLAs, improve Redshift performance, evolve the data stack, implement ETL/ELT workflows, and partner with cross-functional teams to deliver reliable, scalable datasets.

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 Principal Engineer provides technical leadership for engineering productivity, influences platform direction, and improves developer experience through assessment and implementation of solutions across teams.

The role involves leading Cloud Security strategy, enhancing security posture, managing infrastructure requirements, and collaborating across teams to ensure robust security in blockchain services.

The Principal Engineer will lead electronic systems development for atomic clocks, mentor engineers, and collaborate across teams on design execution.

As a Principal Database Engineer, you will architect scalable PostgreSQL solutions, ensuring data reliability, performance, and collaborating with teams to build a robust data platform for GitLab's growth.

Lead architecture vision for D2C platforms focusing on AI, define scalable roadmaps, guide technical design, and promote collaboration and innovation across teams.

The Principal AI/ML Engineer will develop machine learning models for campaign optimization in AdTech, collaborating across engineering and product teams to enhance advertising capabilities.

The Principal Engineer oversees the design and integration of propulsion systems, conducts fluid analysis, develops specifications, and guides engineers.

Lead electrical monitoring and analysis across AssetWatch's multi-sensor platform. Own measurement design, validation, and interpretation of electrical signals for diagnostics. Collaborate with hardware, software, product, and UX teams to integrate electrical insights, scale field-ready solutions, and expand into new electrical applications and energy-related use cases.

Join the Bose Global Research & Development team as a Principal Audio System Engineer, focusing on automotive audio systems. You'll innovate audio performance and user experiences, leveraging your extensive industry knowledge and engineering expertise.

Lead the research and development of algorithms for motion planning in autonomous driving, integrating predictive systems and mentoring team members.

Lead a team to develop large-scale data analysis frameworks and ML models for autonomous vehicles, driving project execution and innovation.

As a Principal Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

The Principal DevOps Engineer will architect the global cloud infrastructure, manage delivery pipelines, automate processes, and ensure operational health of a scalable distributed system. Responsibilities include designing AWS architecture, modernizing CI/CD pipelines, and developing monitoring dashboards.