Top Senior Software Engineer Jobs in Austin, TX

Lead architecture, design, and delivery of PET product features; write production full‑stack code; champion testing, observability, CI/CD and operational readiness; mentor engineers and collaborate with product to shape technical roadmap.

Design and develop scalable web and mobile applications and robust system infrastructure using modern front-end and backend technologies, cloud platforms, databases, and observability tooling. Evaluate architecture trade-offs, apply synchronous/asynchronous patterns, and write clean, unit-tested, well-documented client- and server-side code. Hybrid role requiring local office presence and occasional domestic travel.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

The role involves leading design and implementation of Alfresco solutions, developing custom software with .NET, and administering Alfresco environments for performance and user management.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

The Senior Performance Engineer will optimize software and systems performance, lead performance testing efforts, mentor junior engineers, and enhance overall site speed and scalability.

Lead full-stack web development on GCP to build AI-powered search and discovery experiences. Design and implement web apps, services, and indexing pipelines, optimize performance, automate CI/CD and testing, mentor engineers, collaborate with product and ML partners, and productionize search/recommendation capabilities.

Build and own Eve's marketing site and GTM engineering stack: integrate and optimize external tools, design AI agents for sales and marketing, implement webhooks and middleware to sync product/CRM data, and create programmatic campaigns and internal tools in partnership with Marketing, Sales, RevOps, and Product to drive growth and automation.

As a Senior Software Engineer in Trust & Safety, you'll analyze threats, design systems for abuse detection, and collaborate with teams to implement scalable defenses.

Embed with U.S. government customers to design, build, deploy, and maintain mission software from prototype to production. Own end-to-end delivery, build backend systems and data integrations, collaborate with product and engineering to scale reusable capabilities, and serve as the technical point of contact to drive adoption and mission impact.

Develop innovative features for GPU performance profiling tools while collaborating with hardware and software teams. Essential for supporting CUDA developers worldwide.

The Senior Full Stack Software Engineer will lead development across the stack, design solutions, resolve issues, improve performance, and mentor colleagues, influencing the codebase and company culture.

Design, build, test, deploy, and support production-grade backend services, APIs, and cloud-enabled platform capabilities for wealth custody and clearing. Collaborate with product, architecture, risk, and operations to ensure secure, scalable, observable, and resilient integrations and workflows. Participate in Agile delivery, troubleshoot production issues, and mentor junior engineers.

The Senior Software Engineer will design and maintain React-based user experiences for eCommerce, ensuring high performance, reliability, and effective collaboration with teams while optimizing customer experience.

Design, build, and operate globally distributed storage systems; own code from design to release; provision and benchmark storage hardware; model failure domains; build observability, runbooks, and automation; collaborate across teams to ensure reliability, performance, and scalability.

The Senior Software Engineer will design scalable content models, integrate CMS platforms, improve site performance, and mentor junior developers while collaborating with cross-functional teams.

Build and evolve the Durable Objects runtime and its routing/storage systems. Improve reliability, scalability, and performance for stateful serverless workloads. Own code end-to-end, solve distributed systems problems, and work across JavaScript, TypeScript, Rust, and C++.

Design, build, and maintain the Workers Runtime to execute customer code at the edge. Improve runtime performance, reliability, JavaScript and WebAssembly support, and scalability. Own production code, debug large-scale distributed systems, and shape feature design in a fast, iterative environment.

Develop and integrate C++ software for electronic warfare, SIGINT, and related defense systems. Collaborate with systems, hardware, and test engineers, interact with customers, prioritize backlog, participate in milestone reviews, evaluate complex designs, and support automated digital delivery and verification activities.

Design, build, and maintain scalable, reliable full‑stack systems. Contribute to API and architecture design, write testable code, debug complex issues, improve performance, automate deployments, and mentor junior engineers while collaborating with cross‑functional teams.

Lead design and delivery of scalable full-stack owner-authenticated web experiences. Drive React front-end architecture and Java/Spring Boot backend services, own end-to-end initiatives, improve reliability and performance, mentor engineers, and collaborate with product and design to deliver customer-facing capabilities.

Design and develop backend services and APIs for identity resolution, optimize event-driven systems, and enhance system reliability. Mentor engineers and influence architectural decisions.

As a Lead Software Engineer, you'll design and develop GenAI platforms, integrate LLMs, mentor engineers, and solve technical challenges for scalable solutions.

Lead and build a new Trust & Safety engineering domain: design and implement systems to detect and mitigate fraud, billing anomalies, and credential abuse. Architect product and operational solutions, mentor engineers, define processes, and deliver scalable, auditable safety tooling across internal and external workflows.