Top Principal Engineer Jobs in Boston, MA

Senior, client-facing principal to grow New Jersey land remediation practice. Responsibilities include business development, leading complex site investigation/remediation projects, technical oversight and review, NJDEP regulatory coordination with LSRP, project financial and staff management, mentoring staff, and promoting practice growth and technical excellence.

The Principal Engineer will lead AI-driven productivity initiatives, develop a strategy for integrating AI in engineering workflows, and improve collaboration across teams. Responsibilities include executing projects, ensuring code quality, and setting success metrics.

Lead architecture and implement large cross-cutting initiatives on a SaaS grantmaking platform. Produce high-quality full‑stack code (Rails/React/Node), mentor engineers, drive SDLC best practices, and champion AI-assisted development while collaborating with product, infra, and QA teams.

Lead the design of Xsolla's identity platform, develop Golang microservices for user management, and implement security protocols for compliance.

The Principal Engineer will lead enterprise scalability efforts, driving architectural changes, optimizing systems, and integrating AI for improved operational performance across multi-tenant SaaS platforms.

No specific responsibilities listed. Senior technical leadership role to develop and direct hedge fund and analytics technology platforms, collaborate with investment stakeholders, design and implement analytics systems, and mentor engineering staff.

The Principal Consulting Engineer will design, deploy, and optimize VMware Cloud Foundation automation solutions, ensuring they meet customer requirements while leading engagements and providing technical expertise.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Lead multi-year technical vision and architecture for Payments, Scheduling, Forms, RCM and mobile platforms. Drive cross-team solutions, evaluate build-vs-buy, mentor senior engineers, set company-wide engineering standards, and ensure scalability, reliability, and observability for high-throughput distributed systems.

Technical authority responsible for shaping system architecture, architecting and scaling distributed cloud-native platforms, leading technical decisions and reviews, mentoring engineers, and applying AI/GenAI to business problems.

Provide hands-on technical leadership and architecture across the insurance platform. Design and implement scalable, reusable systems; influence senior leaders; mentor engineers; drive standards, DevOps/CI-CD improvements, vendor evaluations, and cross-team alignment to deliver enterprise-scale outcomes.

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

The Principal Engineer - Process will support manufacturing and development of the Chip Scale Atomic Clock, focusing on process optimization, materials analysis, and lean manufacturing methodologies.

Lead development, monitoring, and optimization of wafer fab processes (photo, etch, deposition, diffusion) to improve yield, cycle time, cost, and equipment reliability. Create/update process specs, qualify new equipment, apply SPC/DoE and Six Sigma, analyze data (Excel/JMP), present results, and lead cross-functional teams to resolve production issues.

The Engineering Director will lead and manage the cloud infrastructure and developer enablement, focusing on AI-native systems, team development, and security operations.

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.

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

The Principal Engineer for Customer Quality acts as the key customer contact for quality issues, addressing complaints, and driving continuous improvement. This role requires collaboration with multiple teams to establish quality standards and facilitate customer audits, while managing quality performance and supporting product lifecycle decisions.

The Client Engine Software Engineer will design and implement complex client-side engines using advanced algorithms, focusing on high-performance and fault-tolerance in a remote team environment.

Design, implement, and maintain DevSecOps features for cloud-native and on-prem database platforms. Collaborate with product and cross-functional teams, follow development workflows (source control, code reviews, CI/CD), write automated tests, and support security, configuration, monitoring, licensing, and upgrades across Kubernetes and traditional deployments.

Lead design, implementation, testing, and maintenance of mobile and web software. Build APIs and web applications, author documentation, create prototypes, perform code reviews, collaborate with designers and QA, support releases and post-release maintenance, mentor peers, and provide technical input for project estimates and sales.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

The Principal Motion Planning Engineer will lead algorithm development for motion planning in autonomous vehicles, manage projects, and mentor team members.

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.

The Principal Engineer will guide architectural strategy, solve complex technical challenges, mentor engineers, and ensure compliance with healthcare standards.