Top Software Engineer Jobs in San Antonio, TX

Provide expert software engineering to improve and optimize codebases used for AI training: bug fixes, feature development, refactoring, performance tuning, architecture recommendations, documentation, and cross-functional collaboration to support scalable AI training workflows.

Build and enhance full‑stack cloud-native applications using Java/Spring and JavaScript/React. Own the full SDLC, apply TDD and CI/CD, troubleshoot production issues, mentor junior engineers, and drive technical direction as experience increases from contributor to Lead.

Lead a pod as technical owner of core, scalable production systems: define architecture, improve reliability and processes, lead planning/releases, mentor engineers, and coordinate cross-functional delivery.

Design, build, test, and maintain .NET applications using C# and Entity Framework Core for client/server and Azure web environments. Participate in code reviews, document development methods, apply Agile practices, use Azure DevOps for source control, develop UI components (HTML/CSS/jQuery/Bootstrap), and incorporate security best practices throughout the SDLC.

Lead full-stack growth engineering efforts to optimize top-of-funnel and intake workflows. Ship reliable, observable, and scalable features; connect technical investments to product and business metrics; build tooling and automation; integrate external partners; leverage data, A/B testing, and AI to reduce friction and improve conversions while ensuring privacy, compliance, and high-quality engineering practices.

Build pixel-perfect, high-performing Shopify stores from Figma designs. Convert designs into scalable Shopify themes using Liquid, JSON templates, HTML/CSS/JS; implement performance and technical SEO best practices, develop CRO test variants, debug with DevTools, and collaborate with designers, PMs, CRO specialists, and QA.

Serve as a dedicated technical partner for one to two clients: troubleshoot complex support cases, implement software enhancements and data conversions, design reports and data extractions, use source control and reporting tools, collaborate with product and engineering, and ensure SLA-driven client satisfaction.

Design, implement, and maintain company web architecture and site; consult with users on specifications; oversee coding; manage OS and system performance; ensure cross-browser/template compatibility; test, debug, and support service architecture across the product lifecycle; collaborate with marketing and development.

Lead and scale engineering teams building Protect, a real-time multi-signal fraud detection platform. Set technical strategy, develop managers and senior engineers, deliver distributed systems and APIs, improve architecture, observability, reliability, and developer productivity while partnering with Product, Research, Security, and exec stakeholders.

Own and build frontend experiences across Air's web platform: translate product/design needs into high-quality UI, architect and ship features, improve component design and rendering performance, maintain a scalable design system, enforce accessibility and code quality, mentor engineers, and participate in reviews and hiring.