Top Principal Engineer Jobs in Boston, MA

The Principal Engineer will lead architecture for clock generation in mixed-signal ICs, design PLLs, and contribute to systems architecture development for high-performance industrial products.

Lead the API and MCP platform strategy and delivery, defining standards for APIs, enabling agent-native workflows, and ensuring scalable systems while collaborating with AI and Data teams.

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.

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

The Senior Principal Engineer will define and develop system architectures for high-speed industrial products, collaborating closely with customers and stakeholders. Responsibilities include product definition, development, and support, along with participation in business development and technical troubleshooting.

Lead the design and execution of radar sensing platforms and wireless communication sub-systems, overseeing development, optimizing designs, and ensuring quality and compliance. Collaborate across teams and mentor members while troubleshooting complex issues in RF/mmWave design.

The role involves building and optimizing a machine learning and simulation platform, supporting MLOps, model deployment, and infrastructure modernization, while mentoring engineers.

As a Principal Mixed Signal Design Engineer, you lead the design of complex mixed-signal integrated circuits, drive architecture decisions, mentor engineers, and influence technology direction at ADI.

Serve as technical authority for mixed-signal IC architecture and design, lead complex projects from concept to production, integrate analog and digital IP, drive methodology innovation, mentor engineers, and influence product and technology roadmaps.

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

Provide technical leadership for internal platforms and security automation supporting Upstart Bank. Lead architecture, design, and implementation of platform services, APIs, relational schemas, authentication and RBAC systems. Partner with risk, compliance, and operations stakeholders, mentor engineers, mitigate technical risks, and drive long-term platform strategy and engineering standards.

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.

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.

Lead architecture and evolution of an enterprise Kubernetes platform across cloud and on-premises. Define platform roadmap, standards, and automation; design multi-cluster/multi-region solutions; implement GitOps, IaC, observability, security, and resiliency practices; mentor engineers and drive cross-functional platform initiatives for reliability, scalability, and developer experience.

Lead and deliver complex automation engineering projects with minimal supervision. Ensure regulatory compliance, risk-managed design, cost/schedule control, and cross-functional alignment. Design experiments, develop technical solutions, perform feasibility and economic analyses, mentor engineers, and represent technical expertise externally. Support product/process improvement and may influence validation strategy. Travel required (20-30%).

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

The Principal Software Engineer will define technical roadmaps, guide system architecture, mentor leaders, and drive product direction in Capital Supply operations.

The Principal Engineer for Conversational AI will lead engineering teams, design software solutions, and ensure high-quality products in voice and chat bots, while collaborating across functions.

Lead architecture and implementation of AI-powered scientific products end-to-end. Design data models, APIs, deployment, observability, and maintainability. Collaborate with scientists and ML researchers, make high-stakes technical decisions, bridge research and production ML, and occasionally direct embedded contractors while owning technical output and quality.

Design, develop, and maintain software applications and databases for business environments, collaborating with IT and various business units to support investment systems.

Lead design and implementation of RF hardware systems, collaborating with teams on system requirements and hardware designs, while supporting assembly, integration, and testing.

The role involves developing advanced signal processing algorithms, leading projects, engaging with customers, and supporting business development initiatives. Requires deep technical knowledge and leadership in radar and electronic warfare solutions.

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.

The Principal AI Engineer will design AI-powered workflows, partner with stakeholders, and build production-level systems in a cross-functional environment.