Top Senior Software Engineer Jobs in San Antonio, TX

Senior Software Engineer responsible for developing complex features, mentoring junior engineers, collaborating on technical direction, and adhering to best practices in software delivery.

Lead agile teams to design, build, and maintain enterprise-grade Apple-focused software. Mentor engineers, produce designs, ensure high quality, testing, and performance, communicate with stakeholders, follow security/privacy protocols, and occasionally work onsite. Requires 5+ years of relevant experience and U.S. citizenship.

Design, develop, test, deploy, and maintain production software; refactor products for customer needs; build and run test suites; collaborate in agile teams; mentor junior engineers; work on security, resilience, performance tuning, and production monitoring.

Lead engineering by defining technical roadmaps, setting code quality standards, mentoring engineers, driving architectural improvements and technical debt resolution, collaborating with Product and Design, making technology decisions, ensuring timely delivery of scalable, high-performance systems, and participating in hiring and onboarding.

Build and harden product features and tooling for AWS GovCloud, ensuring security, auditability, and compliance. Implement GovCloud-specific authentication, logging, observability, and developer tooling; analyze and remediate security gaps; mentor engineers; support federal self-hosted customers and on-call escalations.

Design, develop, and maintain Hogan mainframe applications and batch processes. Troubleshoot production issues, tune performance, deploy APIs via zOS Connect, leverage zDIH for data integration, use DevOps pipelines, participate in code reviews, and mentor junior engineers.

Owner of full-stack features and platform reliability: build scalable web applications, optimize PostgreSQL performance, maintain asynchronous infrastructure (Celery), migrate frontend to server-side HTMX, ship revenue-driving features, ensure observability and SLO-driven reliability, collaborate cross-functionally, write testable code, and participate in architecture and code reviews.

Design, build, and operate backend platform services and infrastructure, owning features end-to-end from design through production. Improve reliability, performance, and scalability across services and the data layer, investigate and resolve production incidents, and convert fixes into durable improvements. Perform database work as needed (query/index tuning, sharding, capacity planning) and collaborate with SRE and application teams to meet zero-downtime SLAs. Mentor peers and raise engineering quality through reviews and best practices.

Design, build, and maintain scalable cloud infrastructure and developer tooling. Operate EKS Kubernetes clusters and EC2 hosts, manage CI/CD and VCS (GitLab), implement Terraform/Ansible automation, monitor with Datadog, support on-call rotations, collaborate across product, data, InfoSec, and mentor teammates to improve platform reliability and developer experience.

The Staff Software Engineer will develop full stack solutions, contribute to architecture, mentor junior developers, and collaborate with teams on software projects.

As a Staff Software Engineer, you'll architect and build foundational platform services, focusing on data infrastructure, healthcare interoperability, and secure APIs while mentoring other engineers.

As a Senior Software Engineer, you will enhance our investment screening and fraud prevention platform, overseeing the software development lifecycle and collaborating with various teams for compliance-driven solutions.

Develop core experiences for bank administrators and customers by writing clean, documented code, creating robust APIs, and integrating with third-party services.

The Senior Software Engineer will enhance the core product by developing features and tools for Chainguard Images, collaborating with teams and ensuring product quality.

As a Senior Software Engineer, you will develop new products and improve engineering infrastructure while taking ownership of product deliverables and enhancing technical architecture.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

As a Staff Software Engineer, you'll enhance and scale AI-driven credit card platforms, collaborate on technical strategies, and optimize systems for growth.

The Staff SDET will design and implement automated test frameworks using TypeScript, collaborate with developers, and enhance testing processes within CI/CD pipelines.

Provide technical and architectural leadership to the software development team, design software solutions, mentor team members, and drive projects to completion.

The role involves optimizing payment platforms, enhancing performance, ensuring security, developing APIs, and monitoring payment systems.

Design, build, and scale backend systems for a publishing platform. Lead development, ensure system health, and promote engineering standards.

The Staff Software Engineer will design and operate financial systems involving ledgering, transaction processing, decisioning, and money movement, ensuring correctness and reliability while mentoring engineers and improving system resilience.

The Staff Software Engineer will design and operate high-integrity financial systems including ledgering, transaction processing, and money movement while ensuring system correctness and resilience.

The role involves building production-grade software for AI-driven IT solutions, focusing on backend services, architecture, and direct customer engagement.

The Senior Software Engineer will collaborate with teams to build and optimize a robust web application, ensure code quality, and elevate team impact.