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.

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.

Design, build, and evolve cloud-based platform software for personal lines insurance. Lead development using AWS, C#/.NET, Kafka, containers and Kubernetes, implement CI/CD with GitHub Actions, ensure observability and testing, mentor engineers, write technical documentation, and drive continual performance and quality improvements in an agile environment.

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

Lead high-leverage technical work across teams: define architecture and patterns, drive end-to-end delivery and operational excellence, ship AI-enabled systems, mentor engineers, set AI guardrails, and represent technical leadership internally and externally.

Lead architecture and development of modern, secure web administration UIs for Imprivata's Identity Configuration Platform. Drive front-end standards, build React/TypeScript applications, integrate with identity protocols (OIDC, SAML, OAuth), mentor engineers, collaborate with product/UX/backend teams, and improve performance, reliability, and maintainability within an Agile environment.

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

Lead design and build of scalable backend systems and data platforms; own architecture and production deployments; improve reliability, performance, and observability; mentor engineers and collaborate with Product, Data Science, SRE, and Security.

Lead design, development, and maintenance of cloud-hosted Claims and Policy Center applications. Collaborate with distributed engineers, architects, and vendors in an agile environment to improve performance, solve complex system problems, enforce technical standards, and implement secure, scalable microservice and event-driven solutions using modern web frameworks and cloud technologies.

Lead technical design and hands-on development of low-latency, event-driven trading and market data platforms. Drive architecture, engineering standards, CI/CD, observability, and AI-assisted tooling; collaborate with product and solution teams; mentor engineers; ensure resilient, secure, cloud-native solutions aligned with enterprise strategy.

Lead design and delivery of cloud-based solutions, collaborate with customers and product teams, produce extensible code, mentor engineers, own design documents and dependencies, act as a designated responsible individual (DRI) including on-call system monitoring, and improve reliability, performance, and observability at scale.

Own end-to-end development of storage management and automation tools: design and implement Python CLI and libraries, extend Ansible Collection modules, maintain containerized services, manage multi-distribution packaging and GitLab CI/CD, investigate field exceptions, and validate/promote releases across heterogeneous host and hypervisor environments.

Architect, design, and develop integrations between DPUs (NVIDIA Doca/DFP) and Red Hat OpenShift, build automation and validation frameworks, lead performance benchmarking of DPU-offloaded networking, integrate RHCOS with BlueField Boot and HyperShift, contribute to installation/provisioning (Assisted Installer, SNO, image-based installs), and provide technical leadership and partner collaboration for cloud-native networking and hardware acceleration.

Lead and grow an SDET team, define test strategy and automation roadmap, design and maintain scalable UI/API/performance test frameworks, integrate tests into CI/CD, drive shift-left quality, track quality KPIs, and collaborate across engineering, product, and DevOps.

The Principal Software Engineer will shape the Commerce Hub's technical future, build scalable systems, lead architectural changes, mentor engineers, and influence product strategy.

The Principal Engineer will lead the Test Platform Services team, focusing on building validation systems, ensuring reliability and scalability, and fostering team growth.

The position involves reversing complex software/firmware, developing cybersecurity solutions, leading technical teams, and conducting vulnerability research, all while ensuring national security.

The Principal Software Engineer will design and build APIs, optimize database architecture, enhance performance, and collaborate on cloud infrastructure for scientific applications.

The role involves building and optimizing big data pipelines, designing data architectures, collaborating with data scientists, and driving technical strategy for data processing infrastructure.

Lead AI engineering initiatives, develop AI systems, integrate LLMs, mentor teams, and collaborate on business requirements within agile frameworks.

Lead the design and development of web and mobile applications, mentor engineers, collaborate with teams, and manage software architecture while advocating for best practices in performance and accessibility.

As a Principal Software Engineer, you will design and maintain scalable data pipelines, drive architectural improvements, and ensure reliability while collaborating across teams.