Top Principal Engineer Jobs in Boston, MA

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.

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.

Develop and maintain thermodynamic and transport property modeling software for AspenTech products. Design algorithms (flash, regression, estimation), research new technologies, provide technical leadership, and collaborate with product teams to translate customer needs into robust application solutions.

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.

Leads systems engineering for a safety-critical surgical robotic platform across its product lifecycle. Defines system architecture, requirements, interfaces, risk management, verification strategies, and design controls. Coordinates hardware, software, controls, mechanical, clinical, quality, manufacturing, and V&V teams. Supports regulatory submissions, reliability, design transfer, product launches, nonconformance investigations, CAPA, and post-market activities while applying MBSE and UML methods.

Principal Frontend Engineer responsible for architecting and maintaining a high-performance, real-time trading web application using React, Next.js, TypeScript, and Jotai. The role owns frontend features, optimizes mobile performance, manages real-time data and WebSockets, ensures code quality, and partners with founders and leadership on technology, product, and feature decisions. Experience building interactive trading platforms, particularly in DeFi, is required.

Leads the architectural vision and hands-on development of Ford Pro Intelligence’s large-scale SaaS platforms, APIs, data pipelines, and web applications for fleet telematics. The role provides technical leadership across teams, mentors engineers, translates business needs into scalable designs, scopes enterprise initiatives, improves engineering standards, and serves as the technical escalation point for critical incidents. Key technologies include Kotlin, Spring Boot, React, PostgreSQL, Redis, and GCP services.

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

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.

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.

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 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.

Lead architecture, transistor-level design, simulation, verification, and silicon validation for analog and mixed-signal SoC subsystems in advanced FinFET processes. Design precision sensing, ADC front-ends, references, regulators, bias circuits, and interfaces. Drive analog/digital partitioning, layout and test collaboration, tapeout, bring-up, characterization, and production release. Mentor engineers, lead design reviews, develop reusable IP, and contribute to product roadmaps and design methodologies.

Leads complex mechanical engineering solutions for semiconductor equipment, including concept development, materials and fabrication selection, FEA, tolerance analysis, testing, documentation, and troubleshooting. Coordinates with electrical, chemical, and software engineering teams, oversees manufacturing and assembly, supports technicians, communicates with customers, and visits manufacturing or customer sites to resolve issues.

Design and build scalable AI-first experimentation and growth systems: telemetry, experiment assignment, feature flighting, rollout automation, and risk controls. Lead cross-team initiatives, partner with Product/Data Science/Design, write production code, review implementations, and raise engineering and experimentation quality across products.

Build Quince’s greenfield, AI-native supply chain planning platform from architecture through production. Own forecasting and optimization model pipelines, experimentation, deployment, monitoring, operator tooling, integrations, and AI-augmented workflows. Partner with scientists, planners, business leaders, and distributed engineering teams to translate supply chain needs into scalable systems. Set technical direction, establish engineering standards, and recruit and develop a high-performing team.

Leads multidisciplinary systems engineering solutions across defense and space programs. Responsibilities include capturing stakeholder needs, developing requirements and architectures, conducting modeling, simulation, trade studies, and risk analysis, and guiding product-oriented solutions through the lifecycle. Leads teams of 5–10, mentors engineers, communicates with senior stakeholders, develops technical best practices, and serves as a digital engineering thought leader. The role also supports technology assessment, organizational transformation, new business development, proposals, and collaboration with experts across academia, government, and industry.

Leads Medtronic’s enterprise dip molding Center of Excellence, defining manufacturing technology strategies, standards, capability plans, and long-term roadmaps. Partners with R&D, manufacturing, quality, operations, and supply chain teams to optimize processes, improve yield, reduce defects, evaluate emerging technologies, conduct feasibility and proof-of-concept work, and deploy validated manufacturing capabilities across regulated production sites.

ABCorp is looking for a Principal Software Engineer to lead the technical direction of their Client Experience Platform, overseeing frontend, backend, and data architecture while mentoring engineers and collaborating with Product and UX teams.

Lead a full-stack product team to build secure financial and card issuance SaaS solutions while ensuring system reliability and compliance in a regulated environment.

Lead architecture, design, and delivery of custom manufacturing equipment. Translate process requirements into mechanical systems, make build-vs-buy decisions, prototype and deploy hardware, and establish practices for in-house equipment development while mentoring a growing team.

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