Top Senior Software Engineer Jobs in Austin, TX

Develops, tests, debugs, and maintains complex software applications using Angular, C#, ASP.NET, and Oracle Database. Designs programs, stored procedures, classes, scripts, and system logic; generates test data, analyzes results, resolves defects, and participates in code reviews. Collaborates with developers, UX designers, business analysts, and systems analysts while following established development, documentation, testing, and Agile/Scrum standards.

Develops, tests, debugs, and maintains complex software applications using Angular, C#, ASP.NET, and Oracle Database. Designs programs, stored procedures, classes, scripts, and system logic; prepares test data and execution sequences; reviews results; resolves errors; and participates in code reviews. Collaborates with developers, UX designers, business analysts, and systems analysts while following software development, documentation, testing, and quality standards.

Leads the architecture and development of scalable backend APIs, microservices, distributed systems, data pipelines, and integrations for vehicle commerce platforms. Responsibilities include modernizing legacy systems, implementing automation, writing secure and tested code, mentoring engineers, evaluating technologies, and championing CI/CD, observability, and performance improvements. The role requires expertise in Java, Spring Boot, Kafka, cloud-native infrastructure, Azure, containers, databases, and generative AI technologies.

Lead full-lifecycle software development integrating robots and plant-floor devices with manufacturing data systems. Build, maintain, debug, optimize, and secure production applications using C++, Java, Azure, ROS, testing, CI/CD, and agile practices. Collaborate with manufacturing, controls, OT/IT, and data teams; support on-call operations, resolve urgent production issues, mentor developers, and conduct code reviews.

Design, implement, and maintain scalable, secure, high-performance backend systems and public-facing APIs. Collaborate with Product and Data Science teams, lead initiatives improving efficiency and system performance, and support customer satisfaction. Work may involve distributed systems, pricing engines, identity management, authentication, authorization, API versioning, deprecation, and rate limiting.

Senior full-stack engineer responsible for designing, building, and operating high-traffic consumer features across backend, APIs, frontend, and infrastructure. Own production reliability, observability, tests, security/compliance-aware designs, and deliver end-to-end features while collaborating cross-functionally and championing modern AI-assisted tooling and automation.

Lead software engineering for the Patient Onboarding team, building and improving registration, insurance verification, and care-access workflows. Write full-stack production code, lead complex cross-team initiatives, shape technical direction, improve engineering foundations, and support modern AI-enabled development practices. Collaborate with Product, Design, Analytics, and Engineering to improve patient conversion and system reliability.

Designs, builds, and scales backend services and integrations for payments, billing, identity, and partner connectivity. Sets technical vision and architecture for distributed systems, leads cross-team delivery, manages production rollouts, builds fault-tolerant services and data pipelines, and mentors engineers. The role partners with product, design, and engineering teams to deliver frequent, reliable improvements for Flex’s rent payment platform.

Design, build, and scale backend services and integrations for payment, billing, identity, and partner systems. Own API scoping, design, implementation, deployment, and production operations with minimal oversight. Build fault-tolerant systems, data pipelines, and scalable architectures while collaborating with product, design, engineering, and external partners. Contribute to reliability monitoring, observability, automation, technical standards, and mentoring in a distributed team.

Build and own full-stack MarTech services, scalable APIs, event-driven systems, data pipelines, and customer-facing web experiences. Integrate advertising, analytics, messaging, and marketing platforms while supporting attribution, identity resolution, experimentation, acquisition, and retention. Collaborate cross-functionally with marketing, product, data, design, and engineering teams to launch measurable growth initiatives. Mentor engineers and establish technical best practices across high-scale marketing infrastructure.

Design and build backend services and APIs for identity resolution and platform integrations. Optimize event-driven pipelines processing billions of signals, deploy cloud-native services on AWS EKS and Kubernetes, and ensure reliability, observability, and scalability. Collaborate with engineering, product, and data teams to deliver identity solutions while mentoring junior engineers. The role requires expertise in backend or data engineering, distributed systems, streaming technologies, cloud deployment, data modeling, and high-throughput databases.

Develop scalable backend software for NinjaOne’s Mobile Device Management platform, supporting millions of endpoints across iOS, Android, Chrome OS, and Windows. Build Kotlin and Java services, REST APIs, microservices, responsive messaging systems, and cloud deployments on AWS. Apply software design principles, database expertise, caching, asynchronous architecture, and AI-powered development tools while collaborating with engineering teams and industry partners.

Lead and mentor a team to develop enterprise-scale applications using Java and React, ensuring best practices and modern technology adoption.

Provides technical leadership for designing, implementing, testing, integrating, and maintaining high-reliability C++ flight software for spacecraft and launch vehicles. Develops Python-based internal tools, collaborates with multidisciplinary engineering teams, supports vehicle testing and launch operations, and follows aerospace software processes. Requires strong object-oriented design, C++, Linux, real-time systems, communication, and deadline-management skills.

Develop and maintain enterprise data-intensive and AI-enabled applications supporting product development and quality teams. Build optimized SQL transformations, Databricks pipelines, Java/Python backend services, APIs, and cloud-native applications using Kubernetes and Docker. Partner with AI teams to productionize ML and LLM solutions, implement testing, CI/CD, observability, security, and reliability practices, troubleshoot production issues, shape architecture, and mentor engineers.

Provides technical leadership for developing, testing, integrating, and maintaining high-reliability C++ flight software for spacecraft. Designs internal Python tools, collaborates with engineering teams, supports vehicle testing and launch operations, and follows aerospace software processes. Requires strong object-oriented design, real-time operating systems, Linux, and software engineering expertise.

Own performance optimization, reliability, observability, capacity modeling, and automated failover for Coinbase’s blockchain node infrastructure. Diagnose resource bottlenecks, reduce infrastructure costs, define SLOs and SLIs, support protocol upgrades, and improve node performance across distributed systems at scale. Collaborate with protocol integration, wallet, and indexer teams while applying backend programming and systems profiling expertise.

Lead architecture, design, and implementation of scalable MyAccount web and platform capabilities. Drive technical strategy across teams, develop applications and APIs, improve reliability, performance, observability, and security, and ensure robust automated testing. Mentor engineers, influence architectural decisions, connect technical initiatives to business goals, and maintain operational ownership of customer-facing systems.

Design, develop, and maintain scalable Go microservices, APIs, and data models supporting Cloudflare’s global IP addressing infrastructure. Build distributed, fault-tolerant systems for IP assignment, traffic engineering, BGP management, and provisioning. Collaborate with reliability, network, and product engineers while debugging complex systems and learning edge networking, routers, DNS, and Linux environments.

Design, implement, and operate Cloudflare’s S3-compatible R2 API gateway across Workers and Kubernetes. Own authentication, authorization, routing, rate limiting, error handling, API compatibility, reliability, observability, and production operations. Lead projects from design through deployment, participate in on-call and incident response, improve performance, and collaborate with storage, metadata, networking, and platform teams. Use AI coding tools extensively in daily development.

Build, deploy, and operate highly scalable Network Services systems on Cloudflare’s global edge network. Develop distributed networking systems involving BGP, Linux kernel dataplanes, control planes, APIs, traffic analytics, and data pipelines. Improve system performance, reliability, and scalability while solving complex customer problems. Own solutions end to end across design, development, deployment, and operations, and collaborate across engineering and product teams.

Build and maintain the Workers control plane: design and ship features, improve performance, scalability, and reliability, design resilient storage and I/O, own production reliability/on-call, drive projects end-to-end, mentor junior engineers, and prototype new technologies.

Design, build, and operate scalable, secure data platform infrastructure for ingesting, processing, cataloging, and accessing petabytes of data. Improve Spark/Databricks reliability and developer experience, build ingestion/replication systems, develop internal libraries and tooling (Go/Python), and collaborate with cross-functional teams to support analytics, ML, and customer-facing data products.

Build and scale backend data platforms and services for real-time loan origination and financial reporting. Lead quarterly delivery, guide engineers, define technical plans, collaborate with product and design partners, improve reliability and operational practices, monitor service metrics, participate in on-call support, uphold engineering quality standards, and mentor team members. The role requires developing highly available distributed systems and scalable data pipelines using technologies such as Python, Kotlin, AWS, MySQL, Kubernetes, Spark, and Airflow.

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.