Top Principal Engineer Jobs in Boston, MA

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 Full Stack Software Engineer will design, develop, and mentor teams in building scalable web applications, influencing architecture and engineering standards in AI and cloud technologies.

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.

The Principal Software Engineer will design AI-native systems, set standards for development processes, lead engineering practices, and deliver autonomous workflows to enhance business outcomes in wealth management technology.

Lead the machine learning strategy, design scalable ML systems, drive MLOps, mentor engineers, and comply with AI governance.

As a Principal AI Engineer, you'll design production-grade systems integrating generative AI in mental healthcare, overseeing architecture and applied research.

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

Lead and mentor an engineering team building GovIntel and GovChannel product capabilities. Own technical direction, design and deliver scalable SaaS features, APIs, integrations, and platform reliability. Partner with Product, QA, Cloud Ops, and stakeholders to prioritize work, drive CI/CD and observability practices, lead reviews and incident response, and apply AI-assisted tools to improve development speed and quality.

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 at Snyk will lead technical initiatives, mentor engineers, engage with stakeholders, and influence product strategy, focusing on software security and scalability.

The Senior Data Scientist will design and implement AI-enabled products using clinical trial data, mentor team members, and collaborate with stakeholders.

The Principal Consulting Engineer will implement and support IP-based call center solutions, guide project strategies, and provide technical leadership while collaborating with clients and stakeholders to achieve project goals.

Lead long-term technical strategy and execution across multiple teams, architecting and evolving foundational frontend/backend systems and platforms at massive scale. Drive AI/ML adoption, solve ambiguous, high-impact problems, remain hands-on in critical system design and implementation, and align senior leaders on roadmaps and engineering standards.

Lead supplier and subcontract management for manufacturing programs: manage integrated master schedules, track supplier performance and deliveries, define material strategy, control subcontract scope and changes, support SOW/RFI/RFP development and technical evaluations, prepare executive briefings, and identify/manage schedule and supply chain risks and opportunities.

The Principal Engineer will lead the technical ecosystem, ensuring hands-on execution in a high-growth environment, focusing on AI integration and full-stack development.

The Principal Quantitative Engineer will lead the design and implementation of applications for portfolio construction and asset allocation, collaborating closely with quantitative analysts to convert AI prototypes into production-ready applications.

Build, operate, and secure cloud-native and edge infrastructure including Kubernetes, artifact pipelines, application streaming, and air-gapped appliances. Partner with product, GRC, and mission owners to design, deploy, and harden systems, remediate vulnerabilities, support audits (IL5/IL6/JWICS), and ensure trusted artifact delivery across environments.

The Principal Electrical Engineer will lead system-level architecture for electrical designs, mentor engineers, drive engineering best practices, and ensure high-quality product delivery from concept to production.

Senior sales engineer for Zscaler's Healthcare Zero Trust Branch. Deliver technical product presentations, gather customer requirements, lead product evaluations and custom configurations, and design evaluation test plans to drive successful cloud-native Zero Trust deployments.

The Principal SAP PaPM Configuration Engineer analyzes, develops, and configures SAP PaPM use cases, supports finance processes, mentors junior members, and implements solutions for complex financial calculations.

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.

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.

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