Top Principal Engineer Jobs in Boston, MA

The Principal Engineer will lead the engineering team in building systems across full stack, improving development efficiency, and expanding products in new markets.

The Principal Engineer will lead technical direction and execution for identity and engagement platforms, modernize systems, and mentor engineers, driving high-quality delivery and collaboration across teams.

Lead the engineering architecture for an AI-driven product, focusing on system design, collaborating with AI agents, and ensuring quality and scalability in large-scale SaaS environments.

The Principal Signal Processing Engineer will lead the development and application of algorithms for RF sensing, engage with customers, guide teams, and drive business development.

Responsible for ensuring security and integrity in technology operations, providing expertise in security engineering, and collaborating with teams to embed security measures in API design and deployment.

As a Principal Engineer for Core Infrastructure at Klaviyo, you will architect and enhance the Kubernetes platform and CI/CD pipelines, improve developer velocity, and ensure operational excellence while incorporating AI tools for automation and incident response.

The Senior Kubernetes Engineer will manage and enhance Kubernetes clusters, automate deployments, ensure security, and collaborate with teams to deliver reliable containerized applications.

The Principal Model-Based Systems Engineer will lead development programs using MBSE approaches, mentor teams, and implement digital engineering goals, focusing on DoD systems.

The Principal Developer Productivity Engineer will enhance GM's developer tools, mentor engineers, and drive system performance through observability and software engineering best practices.

The Security Engineering Manager oversees IT security policies, manages incident response, tracks threats, engages with IT teams, and provides regular incident reporting.

The Principal Software Engineer will lead architectural strategy and product development, mentor engineers, and collaborate across teams in an interdisciplinary setting.

Lead the rearchitecture and implementation of Arcadia's User Management system, focusing on authentication and authorization frameworks. Drive new systems and mentor engineers to ensure secure data access and operational excellence.

Lead design and hands-on development of low-latency, real-time trading and market-data platforms for public markets. Architect event-driven, API-first systems, embed CI/CD, observability, and responsible AI practices, collaborate with product and enterprise teams, and mentor engineers to deliver resilient, cloud-native solutions.

Develop and implement AI validation methodologies, enhance application performance, collaborate with Agile teams, and lead AI testing efforts for healthcare products.

As a Principal Healthcare Cloud Engineer, you will architect cloud-based solutions for healthcare, automate deployments, mentor teams, and innovate technology practices.

Lead the development of software for handheld imaging devices, focusing on UI/UX, data processing, and AI/ML integration in a multidisciplinary team.

This role involves designing and developing core modules for an enterprise-level clinical data platform, ensuring compliance with quality standards, and collaborating with teams for software development and testing.

As a Principal Software Engineer, you will design, develop, and implement complex software solutions, lead projects, and ensure compliance with standards in a cloud-first environment.

The Principal Software Development Engineer will lead architectural strategy for Ads Intelligence solutions, collaborating with cross-functional teams to build scalable products and mentor engineers.

The Principal Engineer will lead Babel Street's API and MCP platform strategy, designing agent-ready APIs and managing cross-team technical initiatives, ensuring the API-first platform is optimized for AI interactions and developer usability.

Lead the development of ultrasound products, define electrical designs, resolve technical issues, collaborate with cross-functional teams, and mentor engineers.

The Principal Engineer will ensure product quality through process execution, regulation adherence, project support, testing, and risk assessment for infusion systems.

As a Principal Software Engineer, you will mentor junior engineers, solve technical problems, and enhance customer-focused software solutions in an agile environment.

The Principal Front-Office Engineer designs and implements applications to enhance risk analysis and reporting, working closely with risk teams. The role focuses on building robust systems and tools in a fast-paced investment environment, leveraging software engineering skills and financial knowledge.

The Principal Engineer will lead the technical roadmap for Upstart's GenAI platform, focusing on LLM infrastructure and system architecture while collaborating with various teams to ensure successful AI integration and operational standards.