Top Principal Software Engineer Jobs in Boston, MA

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.

Develop high-performance audio systems, implement audio processing algorithms on DSP platforms, collaborate with research teams and audio engineers, provide technical leadership.

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 architecture, development, and delivery of high-performance audio software platforms, focusing on DSP, embedded systems, and algorithm optimization.

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.

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

Lead security architecture and threat modeling for the DNSid platform. Design cryptographic core, build secure SDKs (TypeScript, Go, Python), enforce supply-chain and deployment security, partner on standards (IETF), and own org-wide security posture including secrets management, SOC 2 readiness, and incident response.

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

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

The Principal Software Engineer at Dropbox leads technical strategy and execution on critical software systems, focusing on AI integration and product development across teams. The role requires deep technical expertise and a collaborative approach to shaping company objectives and long-term strategies.

Lead the architectural design and development of a new consumer credit product, focusing on backend systems, distributed services, and integrating AI tools. Mentor team members and influence product direction through engineering insights.

As a Principal Software Engineer for the AAP team at Toast, you will design scalable systems, develop technical strategies, mentor engineers, and enhance data-driven initiatives.

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 architectural design for real-time 3D visualization on the Prism Mapping platform, mentor engineers, and define the long-term visualization roadmap.

Lead the UI architecture for the Prism Mapping application, drive design and delivery of major subsystems, mentor engineers, and shape technical direction in a clinical environment.

Lead the technical direction for integrating algorithms on the Prism Mapping platform, focusing on real-time signal pipelines and optimization strategies. Collaborate with teams to ensure robust clinical performance and timely delivery of new capabilities.

Lead the technical direction and architecture for the core infrastructure of the Prism Mapping platform, ensuring reliability and performance in a medical device environment. Mentor engineers and drive technical improvements while communicating complex decisions to stakeholders.

As a Principal Software Engineer, you will provide technical leadership, mentor engineers, guide innovation, and ensure operational excellence in software delivery.

The Principal Software Engineer will design and implement distributed systems, APIs, and data pipelines utilizing machine learning and large language models to enhance B2B marketing intelligence.

As a Principal Software Engineer, you'll lead technical initiatives, mentor engineers, and optimize DataRobot's AI infrastructure, focusing on designing scalable systems and collaborating cross-functionally.

Lead design and ownership of an agentic orchestration platform for long-running, multi-agent scientific workflows. Architect durable, event-driven, cloud-native systems, define SDKs/APIs, deliver IaC reference implementations, optimize cost and scalability, set platform standards, and partner across modeling and product teams while mentoring engineers.

As a Principal Engineer, you'll lead architectural vision and modernization efforts, mentor engineers, and drive AI integration for enhanced software development.