Top Principal Software Engineer Jobs in Austin, TX

Lead enterprise-scale engineering platforms for embedded software, simulation, and cloud workloads. Architect CI/CD, GitOps, Kubernetes, Terraform, progressive delivery, security, compliance, and observability standards across multiple teams. Drive software engineering productivity, release quality, and technical strategy while mentoring DevOps and simulation developers. The role requires deep real-time systems, safety-critical product, cloud, Kubernetes, Terraform, and embedded or simulation workflow experience.

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.

Owns company-critical, long-term technical problems across multiple teams and organizations. Defines technical strategy, architectures, roadmaps, and engineering standards for large-scale customer-facing systems. Remains hands-on in software development while driving AI adoption in products and engineering workflows. Partners with senior product, engineering, and executive leaders to resolve complex problems, improve reliability and performance, and shape Dropbox’s technical direction.

Lead the mobile engineering team in evolving iOS and Android applications toward an AI-native, thin-client architecture. Define participant API and platform direction, contribute Python to backend services, establish AI-assisted development processes, improve DevOps and continuous delivery, mentor engineers, and partner closely with Product and Design. The role requires principal-level technical leadership, product focus, system architecture expertise, and hands-on use of AI coding agents.

Design, develop, test, and optimize high-performance software for Software Defined Radio systems supporting electronic warfare and RF signal processing. Implement modulation, demodulation, signal analysis, and jamming algorithms; integrate software with hardware; troubleshoot defects; participate in code reviews; and create technical documentation. Collaborate with systems, hardware, and test engineers in an Agile environment while improving development processes and tools.

Build and own Arcadia’s internal developer platform across a large-scale data lakehouse and Kubernetes applications. Develop self-service APIs, templates, golden paths, CI/CD capabilities, observability, security controls, and reliability practices. Lead platform migrations, improve developer experience, manage stakeholder needs and costs, set technical direction, and coach senior engineers. The role requires hands-on software development alongside expertise in cloud infrastructure, Kubernetes, networking, infrastructure as code, SLOs, incident response, and platform product management.

Lead architecture, development, debug, and deployment of SoC/accelerator firmware libraries (ANC, compute, DMA). Drive silicon bring-up, firmware frameworks, verification, cross-team integration, and mentor engineers while coordinating with hardware, validation, security, and platform teams.

Architects scalable Unity-based systems and tools for gaming platforms, including modular client-side architectures, dynamic asset delivery, editor tooling, automated testing, and CI/CD workflows. Ensures performance, memory efficiency, rendering quality, and jurisdictional compliance. Provides technical leadership through code reviews, mentoring, coaching, problem-solving, planning, and cross-functional collaboration.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Lead the architecture and technical direction of Forward Financing’s core fintech platform. Design scalable distributed backend systems, guide cross-team initiatives, establish engineering best practices, resolve incidents, and mentor engineers. The role owns the technical roadmap and architectural vision while partnering across teams to improve reliability, observability, code quality, and delivery. Ruby on Rails expertise is required, along with strong communication, influence, agile development experience, and a broad backend or full-stack perspective.

Leads modernization of General Motors’ embedded software build ecosystem by migrating Make- and shell-based workflows to Bazel. Designs reusable rules, toolchains, platforms, and repository standards; integrates build infrastructure with CI/CD, testing, releases, security, and observability; and improves reproducibility, performance, reliability, and developer productivity. The role also evaluates AI-assisted engineering workflows and mentors teams across the organization.

Develop and operate large-scale, low-latency Azure cloud services for hardware health monitoring, anomaly prediction, telemetry, reliability, and performance. Evaluate and implement AI technologies, including LLMs, embeddings, RAG, and custom machine learning models, to improve firmware and hardware. Lead root-cause analysis, service restoration, testing automation, security and compliance, production deployment, and analytics reporting.

Leads architecture, hands-on software development, deployment, and production issue resolution for strategic customer projects. Drives AI innovation, platform resiliency, security, observability, performance, and operational improvements. Partners with executives, engineering, product, and customer success teams to prioritize strategic programs, improve customer value, share technical best practices, and remove production blockers.

Provides technical leadership for Azure cloud-scale distributed data platforms processing network telemetry and operational data. Defines architecture and long-term technical strategy, leads streaming and batch system design, resolves complex scalability and reliability challenges, oversees production readiness and continuous improvement, and influences cross-team technical investments. Partners across Azure Networking, conducts design reviews, establishes reusable engineering patterns, improves observability and quality, and mentors engineers and technical leaders.

Design, develop, and maintain scalable AI-forward APIs, Model Context Protocol services, and enterprise software for M365 data access. Lead features from concept through launch, create reusable code, estimate and decompose work, monitor production systems as an on-call DRI, improve reliability and performance, and mentor engineers. The role requires strong software engineering experience, backend programming proficiency, RESTful API design, microservices expertise, and experience delivering complex enterprise-scale systems.

Principal frontend-focused software engineer responsible for leading frontend architecture, standards, tooling, accessibility, performance, testing, and deployment practices. The role delivers scalable customer-facing web applications, component libraries, and design systems using React or Angular. It includes cross-functional product collaboration, technical decision-making, mentoring, modernization initiatives, and occasional full-stack work. The position is remote, requires U.S. citizenship, Public Trust 6C eligibility, and approximately 0–10% business travel.

Principal Software Developer responsible for designing, developing, and scaling distributed, high-throughput software systems. The role delivers features, improves reliability, identifies bottlenecks, leads system migrations from monoliths to microservices, and works across the technology stack. Responsibilities include architectural design, cloud engineering, technical leadership, mentoring developers, communicating technical decisions, and using AI and automation tools to improve engineering outcomes.

Define architectural direction for Azure Specialized platform services and lead the design of highly available distributed cloud systems. Drive reliability, scalability, observability, security, diagnostics, and operational improvements across engineering organizations. Establish service health frameworks, SLOs, metrics, and governance for mission-critical services. Mentor engineers, influence technical strategy, resolve complex cross-system challenges, and advance AI-assisted troubleshooting and platform modernization.

Principal Software Engineer responsible for technical direction across customer-facing online experiences. Designs scalable, secure software, reusable architecture, APIs, observability, automation, and resilient production systems. Partners with product, UX, and engineering teams; supports production services, defines reliability objectives, tunes performance, leads testing and incident response, and mentors engineers. The role also applies generative AI and AI-assisted development practices across the product lifecycle.

Lead architecture, development, scaling, and reliability for SingleStore Helios, a multi-cloud SaaS platform. Design Kubernetes operators, controllers, networking, routing, and distributed control planes across AWS, Azure, and GCP. Build resilient Go and Python systems, support AI and vector workloads, resolve complex Tier-3 production incidents, and maintain compliance controls. Mentor engineers, author architecture documents, and influence cross-functional technical strategy.

Lead architecture and hands-on development of Azure Kubernetes Service capabilities for AI workloads. Design secure, reliable, scalable distributed systems; coordinate engineering teams; define testing and deployment strategies; improve observability and operational readiness; investigate production issues; and mentor engineers while advancing engineering practices.

Lead design and implementation of Azure full‑stack, scalable skilling platform features. Drive CI/CD, reliability, automation, and AI/LLM-enabled capabilities. Mentor engineers, enforce engineering best practices, coordinate cross-team dependencies, and improve test automation and observability for enterprise-scale services.

Own the technical vision and architecture for ServiceTitan’s iOS and Android mobile platform. Design scalable, reliable, secure, and high-performing systems; modernize monolithic codebases; improve observability, developer productivity, CI/CD, testing, and release processes. Mentor engineers, influence mobile strategy, define success metrics, support recruiting, and collaborate with cross-functional stakeholders. The role is approximately 60% development and requires expertise in native mobile development, performance engineering, modular architectures, and cloud-supported mobile backends.

Provides principal-level technical leadership for scalable learning and skilling platforms. Designs architectures, writes and reviews production software, leads full software lifecycles, and applies Azure, AI, Copilot, Power Platform, and custom solutions. Responsibilities include secure integrations, CI/CD, infrastructure as code, testing, observability, production support, Responsible AI, reusable components, cross-team technical alignment, and engineering mentorship.

Develop software for electronic warfare and defense systems, including SIGINT, aircraft protection, radar warning, and electronic attack. Responsibilities include backlog prioritization, software design evaluation, development milestone reviews, testing and validation, customer collaboration, project documentation, and automated digital delivery support. The role involves integration with systems, hardware, and test engineering teams and requires full-time on-site work.