Top Software Engineer Jobs in San Antonio, TX

Build and own Android growth and monetization experiments across subscriptions, advertising, purchases, and upgrade flows. Partner with product, design, data science, and analytics to instrument experiments, evaluate results, and ship reliable experiences at consumer scale. Use AI-native workflows for specification, coding, testing, and review; improve mobile engineering practices; contribute to architecture and code reviews; participate in on-call; and mentor engineers.

Develop and sustain software for Navy mission systems supporting fleet training, operational readiness, and logistics. Build microservices, APIs, user interfaces, integrations, access controls, and audit logging. Write tests, participate in code reviews and CI/CD, document systems, and support configuration management and ATO sustainment activities involving STIGs, HBSS/ESS, and SCAP scans. The role also requires technical reporting, risk communications, and compliance with DoD cybersecurity controls.

Develop and ship features for mobile games across Unity/C# clients and Go backend services. Collaborate with Product, Design, and Art, troubleshoot live-product issues, improve code quality, maintain build and content pipelines, conduct testing and code reviews, support releases, and investigate regressions. The role requires ownership from implementation through production with limited supervision.

Build and operate backend services, package registries, APIs, and artifact-serving infrastructure in Go. The role focuses on scalability, reliability, observability, performance, load testing, production operations, and secure customer-facing systems. Responsibilities include implementing projects from design through release, participating in technical decisions, investigating production issues, reviewing code, and collaborating across engineering and product teams.

Design, build, and maintain software using Domain-Driven Design, event-driven architecture, CQRS, and Event Sourcing. Use Cursor and Claude to plan, write, refactor, and test code. Collaborate with small teams, product owners, clients, and engineers to solve business problems, translate requirements into maintainable systems, and mentor teammates on architecture and agentic development workflows.

Build and maintain secure, scalable APIs and infrastructure for an AI-powered fintech platform. Develop features across the stack, integrate third-party APIs, deploy infrastructure with Terraform, apply compliance and security practices, and support customers as a technical point of contact. The role involves close collaboration with the CTO in a greenfield, early-stage startup environment.

Build and operate scalable, accessible, high-performance web experiences for Calendly’s marketing website and Help Center. Own projects from technical design through deployment and iteration, develop frontend architecture and CMS integrations, improve SEO, AEO, accessibility, Core Web Vitals, and reliability, and collaborate with Marketing, Content, SEO, Design, Product, and Engineering. Provide technical leadership through testing, code reviews, documentation, mentorship, and architectural improvements.

Leads architecture and development of Trellix’s high-throughput cloud threat detection platform. Designs microservices, asynchronous submission pipelines, sandbox execution systems, full-stack analyst interfaces, secure AWS infrastructure, identity integrations, telemetry pipelines, and compliant multi-region architectures. Owns infrastructure as code, observability, production reliability, security practices, technical documentation, incident response, and SLA commitments while integrating AI-assisted development tools.

Design, build, and maintain high-quality iOS apps. Collaborate with PMs and designers, mentor engineers, and manage code ownership.

Build and scale reliable software systems supporting donor platforms, cash payments, and rapid-response programs. Own features end to end from architecture through deployment and monitoring, improve CI/CD and testing, troubleshoot production issues, and collaborate with product, operations, and data teams. The role also contributes to technical roadmaps and sustainable engineering practices in a mission-driven, fully remote organization.