Top Senior Software Engineer Jobs in Austin, TX

Build and own backend services and REST APIs powering mobile and web applications. Design scalable systems, model relational data, integrate third-party services, write tested and secure code, review code, debug complex issues, and collaborate cross-functionally. The role also involves mentoring junior engineers, contributing to architecture and documentation, and improving engineering practices and release reliability.

Own the development and maintenance of large-scale React Native applications for iOS and Android. Lead architecture improvements, React Native upgrades, native module development, performance optimization, automated testing, CI/CD reliability, and production debugging. Collaborate with cross-functional product pods, contribute to technical discovery and architecture, mentor engineers, and raise engineering standards while delivering scalable, maintainable mobile experiences.

Design, build, and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, and test reliability while owning services end to end, including SLOs, observability, and on-call responsibilities. Partner with engineering teams to address platform pain points and lead cross-cutting technical projects through production.

Develop, maintain, troubleshoot, and modernize critical mainframe enterprise applications using COBOL, PL/I, JCL, DB2, IMS, and z/OS. Responsibilities span requirements analysis, technical design, coding, testing, deployment, production support, incident resolution, integration, batch processing, security, and modernization. The engineer collaborates with architects and stakeholders, supports cloud integration and CI/CD initiatives, applies Agile and DevOps practices, and mentors less-experienced developers while participating in on-call support.

Build and enhance high-traffic, consumer-facing News & Insights features across a React/Next.js frontend and GraphQL-connected WordPress backend. Responsibilities include designing APIs and schemas, improving caching and rendering architecture, optimizing SEO and Core Web Vitals, ensuring accessibility, writing automated tests, supporting AWS and CI/CD infrastructure, improving observability and developer experience, and providing technical guidance across teams.

Senior individual contributor responsible for technical direction, architecture, and implementation of the MyAccount web platform. Lead design of scalable web applications and APIs using Next.js/React/TypeScript, improve reliability/observability, own deployments and operational stability, remediate security and quality issues, mentor engineers, and drive cross-team architectural alignment and engineering strategy.

Build and ship full-stack features for AI Assistant and Orchestration products, including agents, tools, approval workflows, and LLM evaluations. Develop scalable applications using Python, Django, Next.js, React, and Node.js; leverage AWS and storage technologies; write automated tests; troubleshoot production issues; and collaborate with engineering and product teams on architecture and innovation.

Build and scale full-stack systems for Braze’s Cloud Data Ingestion and Data Transformation platforms. Develop scalable web applications, primarily on the back end while delivering front-end experiences. Drive architectural decisions and technical strategy, process high volumes of data, and contribute to automated pipelines, asynchronous processing, and ETL systems. Collaborate in an agile environment to deliver reliable features that improve customer data integration and platform growth.

Provides technical leadership for full-stack platform development, including architecture, scalable service design, machine learning integrations, code quality, production monitoring, modernization, and cross-functional delivery. The role mentors engineers, leads major projects, and develops secure, maintainable systems using Python, ReactJS, databases, microservices, and GCP.

Design, develop, and architect scalable Golang software supporting enterprise data architecture. Lead technical design, collaborate across teams, mentor engineers, solve complex technical problems, and contribute to Agile delivery practices. Ensure software quality through code reviews, automated testing, CI/CD, and operational support while shaping technical roadmaps and architectural direction.

Build and operate full-stack vehicle software integrity systems using Next.js and Go. Develop data visualizations and dashboards, extend shared component libraries, collaborate with product and design teams, and ensure code quality through testing, reviews, debugging, and performance analysis. The role requires technical ownership, architectural decision-making, cross-functional communication, mentoring, and effective delivery amid changing priorities.

The Staff Backend Software Engineer will lead backend architecture and development, work with Product Managers, design APIs, and mentor junior engineers, focusing on AI integration and operational excellence.

Design, architect, build, and deliver core identity and access management services for MongoDB Atlas. Lead complex technical projects from specification through delivery, improve engineering practices and code quality, define priorities, and mentor team members. The role focuses on authentication, authorization, backend systems, and secure customer-facing IAM features while supporting FedRAMP requirements.

Design and develop backend services, APIs, microservices, integrations, and event-driven solutions for digital commerce and order management. Own testing, CI/CD, deployments, observability, cloud infrastructure, and production reliability using Azure, Docker, and Kubernetes. Troubleshoot incidents, improve security and scalability, apply AI-assisted development practices, mentor engineers, participate in hiring, and communicate technical risks and decisions to stakeholders.

Build Cloudflare’s internal fraud platform, including event ingestion pipelines, backend services, model-scoring integrations, and investigation tools. Partner with data scientists and cross-functional teams to productionize fraud detection capabilities, ensure reliable high-volume processing, and own projects from definition through operation. Establish architecture, tooling, and engineering standards for a new 0-to-1 platform.

Build and operate secure AI platform infrastructure on AWS, including enterprise connectors, authentication, monitoring, knowledge ingestion, agents, access controls, DLP, evaluation frameworks, feedback APIs, and observability. The role owns the AI Artifact Hub, supports third-party integrations, improves reliability and cost controls, mentors engineers, contributes to architecture decisions, and collaborates with AWS teams. Participation in an on-call rotation and three days per week in the office are required.

Leads technical direction and architecture for scalable full-stack applications across web, mobile, backend, and platform systems. Designs complex services, mentors engineers, drives code quality and engineering practices, troubleshoots production issues, evaluates technologies, contributes to the roadmap, and supports recruiting and onboarding.

Build and operate Python REST services integrating CRM, payments, and internal systems. Diagnose production performance issues, optimize asynchronous I/O and caching, maintain Salesforce integrations, deploy cloud services, and use observability tools to trace bottlenecks. The role includes testing, architectural design, on-call production support, incident prevention, and cross-functional collaboration with engineering, DevOps, SRE, and product teams.

Designs, develops, tests, deploys, and maintains secure identity management and biometric software for government agencies. Responsibilities include coding, architecture, API development, documentation, code reviews, customer implementation support, Level 3 troubleshooting, and proposal assistance. The engineer collaborates with product managers and cross-functional teams, manages assigned work packages, and applies security and software development best practices.

Develops, tests, debugs, and maintains complex software applications using Angular, C#, ASP.NET, and Oracle Database. Collaborates with developers, designers, analysts, and stakeholders to design business solutions, participate in code reviews, resolve issues, improve performance, and support production systems. Applies software development standards, Agile or Scrum methodologies, testing practices, and architectural principles throughout the solution delivery lifecycle.

Develops, tests, debugs, and maintains complex software applications using Angular, C#, ASP.NET, and Oracle Database. Designs system solutions, stored procedures, scripts, and program logic; evaluates new programs before deployment; participates in code reviews; resolves production issues; and collaborates with developers, UX designers, business analysts, and systems analysts in an Agile or Scrum environment.

Designs, builds, and operates high-throughput backend platforms and shared services, including request routing, traffic management, caching, asynchronous execution, messaging, and durable event processing. The role requires distributed systems expertise, multi-quarter initiative leadership, technical decision-making, mentoring, and cross-team collaboration. Preferred experience includes Kubernetes platforms, open-source infrastructure, service meshes, workflow orchestration, backward-compatible APIs, and technical community contributions.

Lead architecture and development of GM’s in-vehicle AI assistant platform on Android Automotive OS. Build scalable APIs, SDKs, edge-cloud integrations, CI and automated validation infrastructure, and robust AIDL/IPC application contracts. Guide engineering execution, optimize latency and memory, integrate AI/ML evaluation pipelines, and collaborate with product and UX teams. The role requires extensive Android architecture experience, technical leadership, Kotlin and Java expertise, and familiarity with distributed client-server systems.

Provide technical leadership for Cloudflare’s deployment platform, defining architecture and multi-quarter direction for safe, automated, health-mediated releases at massive scale. Lead RFCs, design reviews, incident retrospectives, technical migrations, and cross-team platform initiatives. Mentor engineers, influence teams without direct authority, develop observability and rollback guardrails, and shape AI integration in a safety-critical deployment system. The role requires autonomy, strong communication, and occasional on-call support.

Design, build, operate, and own scalable backend services and APIs for internal and customer-facing applications. Improve performance, observability, security, and reliability; lead architecture and API standards; troubleshoot production issues; support CI/CD and automation; mentor engineers and drive backend best practices across teams.