Top Remote Principal Software Engineer Jobs in Austin, TX

The Principal Software Engineer will design and optimize backend applications/services, improve payment integration, and oversee code quality within AWS.

The Principal Software Engineer will define technical roadmaps, guide system architecture, mentor leaders, and drive product direction in Capital Supply operations.

Lead security architecture and threat modeling for the DNSid platform. Design cryptographic core, build secure SDKs (TypeScript, Go, Python), enforce supply-chain and deployment security, partner on standards (IETF), and own org-wide security posture including secrets management, SOC 2 readiness, and incident response.

Lead and mentor an engineering team building GovIntel and GovChannel product capabilities. Own technical direction, design and deliver scalable SaaS features, APIs, integrations, and platform reliability. Partner with Product, QA, Cloud Ops, and stakeholders to prioritize work, drive CI/CD and observability practices, lead reviews and incident response, and apply AI-assisted tools to improve development speed and quality.

The Principal Software Engineer at Dropbox leads technical strategy and execution on critical software systems, focusing on AI integration and product development across teams. The role requires deep technical expertise and a collaborative approach to shaping company objectives and long-term strategies.

Lead the architectural design and development of a new consumer credit product, focusing on backend systems, distributed services, and integrating AI tools. Mentor team members and influence product direction through engineering insights.

As a Principal Software Engineer for the AAP team at Toast, you will design scalable systems, develop technical strategies, mentor engineers, and enhance data-driven initiatives.

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.

The Azure Principal Software Engineer will lead client engagements, manage large-scale technical projects, and provide expertise on Azure solutions, focusing on both clients and project teams.

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

The Principal Software Engineer will drive the technical roadmap for Panthey's hosting platform, architect core services, and provide technical leadership and mentoring to engineers. They will work on distributed systems, container orchestration, and AI-native engineering practices, ensuring platform reliability and performance.

Lead technical aspects of an engineering team, design and revamp systems, improve efficiency, mentor engineers, and contribute to product strategy.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.

Founding engineer responsible for architecting and building core product systems, writing scalable Python backend code, designing and maintaining AI/ML infrastructure, instituting best development practices (testing, CI/CD), collaborating on product roadmap, and mentoring future engineers.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

The Principal Software Engineer at Snout will define architectural direction, build features across the stack, and enhance team effectiveness, ensuring quality and performance.

Lead reliability, availability, and resiliency strategies for large-scale systems, drive operational excellence, and provide technical mentorship across engineering teams.

As a Principal Software Engineer, you'll develop software systems for NVIDIA's rack-scale infrastructure, defining software architecture, collaborating across teams, mentoring engineers, and ensuring high-quality technical decisions in complex environments.

The Principal Software Engineer provides technical leadership for enterprise applications focusing on ERP and core systems, resolving complex issues, and enhancing solutions while ensuring best practices in full-stack development.

Lead technical direction for major full‑stack product areas, architect scalable systems across frontend, backend, and data, build AI-powered features (LLMs/embeddings), drive large cross-team initiatives, establish engineering standards (reliability, testing, observability), remove systemic risks, and mentor engineers while partnering with product and design to deliver customer-focused outcomes.

The Principal Software Engineer will lead the technical strategy for high-concurrency services, oversee backend design, integrate AI, and ensure operational excellence at Cars Commerce.

The role involves building robust software solutions, mentoring engineers, analyzing business problems, and contributing to technical strategy in a collaborative environment.

Lead the architecture of backend services and distributed systems for OpenAI's B2B engineering team, ensuring scalable, reliable, and secure products.

As Principal Software Engineer, you'll define and drive Airbnb's performance strategy, lead performance profiling development, mentor engineers, and connect performance outcomes to business objectives.

The Principal Software Engineer will provide architectural guidance, mentor developers, manage risks, and ensure high-quality software production across various teams and product areas.