Top Senior Software Engineer Jobs in San Antonio, TX

Frontend-focused senior software engineer to lead and implement Search features in a high-traffic React/TypeScript app. Collaborate with backend, product, and design to build end-to-end features, optimize UX and performance, work with mapping/data visualizations, and participate in architecture, on-call rotations, and mentoring.

Design, develop, and operate scalable, low-latency backend Guidance services for navigation. Solve complex guidance scenarios, build customizable solutions for OEMs and niche customers, and create tooling and AWS-based infrastructure to support mapping and navigation features.

Lead design, development, and maintenance of SmithRx frontend features using JavaScript and React while ensuring high-quality code and scalability. Collaborate with product teams and mentor junior engineers.

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.

Design, build, and optimize scalable Java-based microservices and RESTful APIs. Ensure performance, uptime, and engineering standards through design and code reviews, testing, and collaboration with product and support teams. Contribute to domain-driven service design and API consistency.

Lead design, development, and maintenance of scalable backend services for Payouts. Drive architecture, ensure performance and reliability, mentor engineers, enforce engineering best practices, and collaborate with product and support teams to deliver customer-facing REST APIs.

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.

Lead software quality assurance activities for medical device software, ensuring compliance and quality metrics throughout the software lifecycle.

Design, build, and maintain automation frameworks, performance tests, and internal engineering productivity tools. Stabilize CI/CD (Jenkins, GitHub Actions, ArgoCD), collaborate with product and data science, and drive agentic AI automation initiatives to increase test coverage and delivery quality.

As a Senior Software Engineer, design, build, and maintain backend functionality for scalable multi-tenant services focused on data storage and retrieval. Lead technical initiatives, collaborate across teams, and ensure system reliability and performance.

Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.

The Senior Software Engineer will focus on backend development, designing and maintaining APIs and services, collaborating on features, and enhancing integrations at Motion.

Design and build AI-powered backend services, optimizing performance and scalability while collaborating with cross-functional teams to integrate generative AI models.

Design and optimize storage systems at scale, implementing caching strategies and ensuring data availability and performance for a large user base.

As a Staff Software Engineer, you will develop backend architecture, collaborate with stakeholders, mentor juniors, and ensure software quality while leveraging various technologies and AWS platforms.

The Senior Platform Engineer will enhance internal tooling, optimize CI/CD pipelines, and ensure AWS infrastructure reliability and security while facilitating fast software development and deployment.

The Senior Software Engineer will enhance AI system reliability, performance, and scalability, focusing on distributed services and collaborating with ML researchers.

As a Staff Software Engineer, you will significantly enhance platform development and experimentation, focusing on AI integration and efficient software workflows. You'll manage end-to-end processes, develop core infrastructure, and employ AI coding agents to refine engineering practices, ultimately improving velocity and output quality.

The Senior Software Engineer II will lead projects, define testing strategies, mentor engineers, and improve system reliability at Zippy.

The Staff Software Engineer will lead design and development of cryptocurrency platforms, provide technical mentorship, and drive system reliability, while staying current on blockchain trends.

Design, build, and operate reliable backend systems while mentoring engineers, participating in design discussions, and improving system performance.

The Lead Systems HPC Engineer will optimize GPU clusters' performance, troubleshoot issues, integrate new hardware, and collaborate with teams on system-level software development.

The Senior Fullstack Engineer will build fullstack features for Real User Monitoring, working with backend services, APIs, and frontend visuals. Responsibilities include designing data ingestion systems, optimizing queries, and collaborating with SDK engineers to enhance user experience. Candidates should have strong backend and frontend expertise, particularly in high-volume data systems.

As a Senior SDET, you will enhance testing practices, improve CI pipelines, mentor engineers, and ensure platform reliability through comprehensive testing strategies.

As a Senior Software Engineer, you will build and enhance internal systems and tools that enable product engineering, focusing on high-quality software across the core platform, and contribute to intelligent AI-driven product capabilities.