Top Principal Engineer Jobs in Boston, MA

Seeking a Principal QA Engineer to define test strategies, ensure quality in enterprise applications, collaborate with teams, and oversee testing practices.

Seeking a Senior Software Engineer to build and manage scalable data products and user experiences, collaborating across teams to deliver insights.

The Principal Software Engineer leads technical initiatives, collaborates across teams, mentors engineers, and shapes architecture for international product projects.

Design and own flight-critical power systems for autonomous aircraft, focusing on power generation, distribution, motor control, and circuit board designs. Ensure reliability in extreme environments through rigorous testing and collaboration with cross-functional teams.

The Principal Site Reliability Engineer - Cloud is responsible for managing and optimizing SaaS cloud infrastructure, ensuring performance, reliability, and security, while automating operations and collaborating within teams.

Oversee complex projects for public sector and commercial clients, ensuring delivery, managing risks, and leading teams in digital transformation using Salesforce.

The Principal Engineer will lead tech transfer and manufacturing processes for gene editing products, oversee manufacturing campaigns, and collaborate with various teams to ensure quality and regulatory compliance.

The Principal Software Engineer at DigitalOcean will lead the design and innovation of the Gradient AI platform, focusing on architecture, operational excellence, and cross-functional collaboration, while mentoring and guiding engineering teams.

The Principal Quality Development Engineer focuses on automating UI/UX testing, refining testing strategies, leading testing efforts, and mentoring team members.

As a Principal Software Engineer on the SRE team, lead best practices adoption, mentor engineers, and improve system reliability and user experience through automation and collaboration.

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

As a Principal Software Engineer, you will lead the development and architecture of Upstart's Core GenAI Platform, ensuring technical excellence and cross-team collaboration while mentoring junior engineers and influencing business strategy.

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 Platform Engineer IV will act as a MuleSoft SME, responsible for designing, developing, and implementing software solutions, mentoring junior engineers, and collaborating across teams to deliver quality outcomes.

As a Principal AI Engineer, you will design and implement AI models, mentor others, and tackle complex problems in a collaborative team to deliver secure AI solutions for customers.

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 Principal AI/ML Engineer will develop machine learning models for campaign optimization in AdTech, collaborating across engineering and product teams to enhance advertising capabilities.

As a Principal Security Engineer in Data Security, you will spearhead Upstart's data security program, architect software solutions, partner cross-functionally, and mentor teams while ensuring effective protection of sensitive data.

Lead and manage a team developing ML models for self-driving vehicles, define motion planning projects, and collaborate with cross-functional teams to enhance performance.

Design and build scalable backend platforms for regulated scientific workflows, ensuring compliance and reproducibility while enhancing performance and usability across cloud environments.

The Principal Engineer, Physical Design Verification is responsible for leading physical verification signoff processes for digital SoCs and ensuring successful tapeouts, utilizing advanced methodologies and tools.

Lead systems-level product definition and customer engagement for semiconductor solutions, combining hardware and software. Collaborate with SoC architects, software and hardware teams to define and deliver application-focused products for automotive, robotics, and industrial markets.

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.

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