Principal Software Engineer Jobs

Lead the software architecture for Shield AI’s XBAT program, defining safe, secure, and scalable system designs that enable high‑assurance airborne and ground software development.

Design and deliver full-stack, production-grade AI agent features at Workday—building scalable front-end and backend solutions that simplify HR and finance workflows for millions of users.

pubGENIUS is hiring a Principal Software Engineer to lead architecture and deliver production-grade, high-performance web, mobile and ML-driven ad-tech systems as a remote full-time contractor.

Workday is hiring a Principal Software Engineer to own and evolve AI-native infrastructure tooling and automation across large-scale, distributed platform environments.

Supernal is hiring a Staff/Principal Software Engineer to lead platform architecture, scale backend systems, and improve reliability for its AI employee platform.

Lead the end-to-end design, integration, and flight-qualification of CesiumAstro's VPX-based Reconfigurable Processing Units as the technical Unit Lead and primary customer interface.

Lead the design and delivery of production-grade agentic AI and LLM-powered systems to enable scalable content ingestion, retrieval, and AI copilots across Elsevier’s health education platforms.

Lead architecture and delivery of large-scale, full‑stack and AI-enabled systems as a Principal Software Engineer at Dell Technologies in Research Triangle Park.

Cotality is hiring a Principal Software Engineer to architect and scale its cloud-native data and analytics platform using Snowflake, Databricks, Python, and modern cloud technologies.

Principal Software Engineer to lead technical strategy, system integration, and DevSecOps practices for C3BM software supporting the Air Force Advanced Battle Management System at KBR.

Lead the architecture and delivery of production-grade, AI-augmented integrations for a next-generation SecOps platform, owning domain decisions, implementation, and technical mentorship.

Lead the development of scalable core infrastructure and microservices at ServiceNow to improve performance, observability, and reliability for ML and platform teams.

Couchbase seeks a Principal Software Engineer to architect and implement the Capella Control Plane using Golang, multi-cloud infrastructure, and AI/ML integrations to scale our DBaaS offering.

Concentrix is hiring a seasoned Software Engineering Lead/Principal/Manager to drive .NET/Azure cloud-native engineering teams from the Omaha office and deliver high-availability, compliant solutions for client engagements.

Lead the architecture and delivery of real-time RF sensor software at STR, transitioning algorithms to optimized C/C++ implementations and driving open-system integration across distributed platforms.

Lead the architecture and delivery of AI-powered, full-stack features and platform capabilities at Xplor to accelerate product innovation across the Momence and Xplor Fitness ecosystem.

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

Lead the technical vision for SpaceX's AI platform, building secure, scalable tooling and infrastructure to enable reliable, company-wide AI adoption.

Bread Financial seeks a Principal Software Engineer to lead architecture and delivery of scalable fintech applications while championing SDLC excellence and mentoring engineering teams.

Inclusive & Diverse

Rise from Within

Mission Driven

Diversity of Opinions

Family Medical Leave

Maternity Leave

Paternity Leave

Lactation Facilities

Family Coverage (Insurance)

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

401K Matching

Paid Time-Off

Paid Volunteer Time

Lead front-end architecture and mentor engineering teams at Veeva Systems to build scalable, high-quality SaaS applications that accelerate life sciences innovation.

Customer-Centric

Mission Driven

Inclusive & Diverse

Rise from Within

Diversity of Opinions

Work/Life Harmony

Growth & Learning

Transparent & Candid

Medical Insurance

Paid Time-Off

Maternity Leave

Mental Health Resources

Equity

Child Care stipend

Paternity Leave

WFH Reimbursements

Flex-Friendly

Dental Insurance

Vision Insurance

Life insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

401K Matching

Military leave

NVIDIA is hiring a Principal Software Engineer to lead architecture, reliability, and production hardening of enterprise agentic AI applications and shared platform services.

Principal Software Engineer with active TS/SCI and polygraph required to lead prototype development and integrate cloud-based analytics solutions for federal customers.

Lead the technical strategy and hands-on implementation of core sharing and collaboration systems at Dropbox, shaping multi-year product and AI initiatives that impact millions of users.

Medtronic is hiring a Principal Software Cloud Engineer to architect and implement cloud-native microservices for CRM Software at its Minneapolis site.

Lead the design and implementation of cloud-native, distributed healthcare services at GE HealthCare as a Principal Software Engineer focused on performance, security, and engineering excellence.

Join Medtronic as a Principal Software Engineer to lead software maintenance, vulnerability/SBOM remediation, and technical solutions for medical device desktop applications across diverse tech stacks.

LinkedIn seeks a Principal Staff Software Engineer (Trust) to lead anti-abuse engineering efforts, building adversary-aware, large-scale defenses and shaping Trust strategy across the company.

Lead the backend architecture and API development for Thomson Reuters' Noetica document analysis platform, building scalable services that power legal and capital markets workflows.

Lead systems-level architecture and program execution for advanced oximetry and wearable monitoring products at Medtronic’s Lafayette, CO site, spanning custom silicon, embedded firmware, signal processing, and device software.

Coates Group is hiring a Principal Engineer to drive architecture, technical direction, and cross-domain platform reliability for large-scale, mission-critical systems.

Lead the design and scaling of Bumble’s matching, recommendation, and agentic AI systems to deliver low-latency, ML-powered experiences across the product.

Experienced Principal Software Engineer sought to lead architecture and hands-on development of scalable .NET microservices and endpoint management solutions at a fast-growing, fully remote company.

Lead and scale Haskell-focused embedded software engineering for Anduril's Electromagnetic Warfare team, shaping system architecture and building high-assurance FP teams for mission-critical products.

Medtronic is hiring a Principal Software Engineer in Tempe to lead manufacturing workflow automation, stabilize critical systems, and drive modernization and AI-enabled analytics solutions.

Procore seeks a Principal Software Engineer in Austin to lead frontend architecture, micro-frontend patterns, and full-stack delivery for Quality, Safety, and Media products in a hybrid environment.

Lead and mentor engineering teams to design, implement, and maintain high-impact research software and infrastructure for the University of Chicago's Center for Translational Data Science.

Inclusive & Diverse

Empathetic

Feedback Forward

Collaboration over Competition

Growth & Learning

Transparent & Candid

Customer-Centric

Dental Insurance

Flexible Spending Account (FSA)

Vision Insurance

Disability Insurance

Family Medical Leave

Paid Holidays

Medical Insurance

Learning & Development

Employee Resource Groups

Lead platform architecture and delivery at FloQast, building scalable backend systems and guiding engineering teams to accelerate enterprise-grade accounting workflows.

Lead the architecture, design, and flight implementation of advanced spacecraft GNC systems at True Anomaly, enabling robust attitude and orbit determination, control, and on-orbit operations.

EnergyHub is looking for a pragmatic, hands-on Software Architect to be the technical North Star driving distributed architecture, platform engineering, and org-level design across the engineering organization.

Lead the design and implementation of distributed compute systems, high-performance data services, and observability tooling that power large-scale EDA workflows at Cadence.

Senior technical leader needed to drive enterprise architecture and hands-on development of cloud-native, microservices-based systems with emphasis on big data and streaming analytics.

Lead architecture and delivery of scalable, secure AI and agentic systems at PointClickCare to drive measurable clinical and operational outcomes across the platform.

Lead the design and execution of Kaseya's identity and API platform as a Principal Engineer, building secure, scalable IAM systems that enable product teams and protect customers at scale.

Clarity Innovations seeks a Principal Software Engineer to design and deliver secure, scalable DevSecOps and infrastructure solutions supporting DoD/IC missions in San Antonio, Augusta, or Columbia.

Lead technical strategy and build scalable capacity infrastructure at LinkedIn as a Principal Staff Software Engineer to drive visibility, forecasting, and cost optimization for large-scale systems.