Top Principal Software Engineer Jobs in Austin, TX

Lead architecture and technical strategy for enterprise-scale real-time decisioning and AI inferencing platforms. Drive design for high-throughput distributed systems, ensure scalability/resiliency/security, mentor engineers, influence cross-functional teams, and promote platform cohesion and engineering best practices across the organization.

Lead the development of an AI framework for endpoint security, collaborate with teams, optimize solutions, and ensure model efficiency across various platforms.

Responsible for building and managing tools for infrastructure at scale, mentoring engineers, and working on distributed systems.

As a Principal Software Engineer at DigitalOcean, you'll architect high-scale systems for PaaS, drive technical direction, mentor teams, and engage in cross-team collaboration to enhance platform infrastructure and developer experience.

The Principal Software Engineer will define, architect, and develop gameplay features in Unity and C#. The role involves optimizing performance, collaborating with other engineers, and mentoring team members.

Lead technical vision and execution for enterprise-scale AI, automation, and data initiatives. Architect scalable, secure AI systems and data pipelines, mentor engineers, drive cross-functional alignment, and deliver high-impact production solutions that improve productivity and business outcomes.

As a Principal Engineer, you will lead the architectural evolution of IAM systems, overseeing reliability and mentoring engineers, while collaborating with cross-functional teams to meet requirements.

The Principal Software Engineer will lead teams in developing full-stack applications, enhance services, drive architectural discussions, and mentor other engineers.

The Principal Software Engineer will architect and lead the development of scalable systems, drive technical excellence, mentor teams, and promote best practices at a fintech company.

Lead high-impact initiatives for a product platform, architecting security systems, mentoring engineers, and optimizing distributed infrastructures across teams.

As a Principal Software Engineer, lead the design of AI/ML platforms, drive technical excellence, mentor engineers, and ensure operational efficiency.

As a Principal Software Engineer on the SRE team, lead best practices adoption, mentor engineers, and improve system reliability and user experience through automation and collaboration.

As a Principal Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

As a Principal Software Engineer, you will lead the development and architecture of Upstart's Core GenAI Platform, ensuring technical excellence and cross-team collaboration while mentoring junior engineers and influencing business strategy.

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

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.

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.

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

Lead technical strategy for Dropbox's core systems and AI integration, drive technical outcomes, and influence multiple teams. Involve hands-on software development and architecture for scalable products.

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

The Principal Software Engineer will tackle platform-level challenges, assist team members, write secure and scalable code, and develop features for cloud storage solutions.

The Lead Software Engineer will deliver technology capabilities for Portfolio Management teams, influencing technical strategy and mentoring engineers while ensuring system reliability and performance.

The Senior Principal Software Engineer will define long term technical strategies for backend and AI services, shape architectural standards, and lead the design of data platforms and AI systems, while mentoring engineering teams and ensuring system scalability and maintainability.

Design and implement high-performance profiling systems for GPU performance analysis in Machine Learning workloads, leading a team and mentoring engineers.

Lead architecture and evolution of cloud-native lab software and LIMS modernization. Drive technical decisions, migrations, AI/ML adoption, and mentor engineers while delivering full-stack systems on AWS ensuring reliability, security, and regulatory compliance.