Top Senior Software Engineer Jobs in San Antonio, TX

Lead frontend platform architecture and developer experience: own module boundaries, micro-frontend patterns, design-system infrastructure, performance budgets, build systems and CI/CD. Build AI-agent-driven engineering workflows to remove developer bottlenecks, set technical direction, mentor senior engineers, and partner cross-functionally to improve engineering velocity.

Participate in full SDLC building and integrating software for DoD customers. Develop C++/Python systems, curate synthetic geospatial raster data, apply TDD, operate in DevSecOps pipelines, and use containerization and CI/CD for deployment and testing.

Lead frontend platform architecture across web and mobile: design and evolve design systems, component libraries, build tooling, accessibility, internationalization, and developer experience. Partner with backend teams on GraphQL/Python, maintain security and compliance, mentor engineers, drive cross-team initiatives, and deliver scalable, high-quality frontend foundations used by multiple product teams.

Provide technical leadership for embedded camera platforms, owning system architecture, on-device software, encoding, storage, streaming, and edge analytics. Lead JDM partner integration, cross-functional alignment, mentorship, architecture/code reviews, and adoption of AI-driven development tools to deliver robust edge devices.

The Lead Software Engineer will architect and evolve OfficeSpace's AI platform, focusing on full-stack systems, AI features, and mentorship while ensuring performance, reliability, and security.

The role involves integrating generative models into Intangible Studio, evolving job systems with TypeScript and Node, and maintaining high visual quality standards.

Senior contractor engineer will own and evolve Thrive's enterprise platform end-to-end, starting on the Coaching app. Responsibilities include sustaining engineering (reliability, scalability, technical debt), delivering medium-to-large projects, partnering with Product and stakeholders, supporting on-call and incident response during US hours, and shipping high-quality, enterprise-facing features iteratively.

Lead the technical direction for the engineering team, architect systems, design APIs, and mentor engineers while improving backend infrastructure.

Lead technical direction and contribute to the frontend codebase, building user-facing tools and mentoring team engineers to enhance user experiences.

As a Staff Software Engineer, you'll develop and maintain core platform infrastructure, design scalable systems, mentor junior engineers, and ensure reliability of product features.

Lead technical strategy and execution for enterprise software, design and build new systems, improve existing platforms, mentor engineers, collaborate with product and stakeholders, ensure quality/performance, share best practices, analyze costs, and support operational readiness including on-call production support.

Design, develop, and maintain scalable full-stack web applications. Build reusable UI components, develop backend services and APIs, contribute to architecture, participate in code reviews, mentor peers, collaborate cross-functionally, and reduce technical debt while ensuring high performance and maintainability.

The Staff Software Engineer will lead projects, mentor team members, write code using Python, Django, React, JavaScript, and TypeScript, and impact the healthcare system with software solutions.

As a Senior Software Engineer at Medallion, you'll lead projects, mentor team members, and work with technologies like Python, Django, React, and TypeScript to impact healthcare operations.

Design and scale distributed systems for Ditto's edge-to-cloud capabilities, lead services development in Rust, and mentor engineers.

Build and own a framework-agnostic charting engine core and its React binding: rendering layers, real-time data plumbing, indicator math, drawing tools, performance (60fps) discipline, visual testing, architectural leadership, mentoring, and integrations across web and mobile.

Lead architecture and evolution of Juniper Square’s distributed services, cloud infrastructure, and developer platform. Design scalable, multi-tenant, event-driven systems; build paved-road developer tooling, CI/CD, and observability. Hands-on coding, prototyping, and performance troubleshooting. Enable production AI/LLM workloads, ensure security/compliance, support enterprise upmarket needs, and mentor engineering teams to raise operational excellence and reliability.

As a Senior Software Engineer, you'll design and maintain frontend applications and reusable components, integrate APIs, mentor engineers, and ensure high-quality user experiences in the fintech space.

As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.

The Senior Software Engineer will architect and optimize AI-powered developer tools, enhance the SDLC, collaborate across teams, and mentor peers to improve engineering productivity.

Build and improve the end-to-end experience for new customers by implementing features across Python services, a GraphQL gateway, Auth0-based auth, and Terraform-managed GCP infrastructure. Collaborate cross-functionally to redesign discovery, evaluation, onboarding, and time-to-value while ensuring reliability, testing, and stable deployments.

Lead design, development, and maintenance of cloud hosting management and orchestration solutions. Mentor engineers, review code for quality and security, design REST APIs, troubleshoot issues, improve performance and reliability, and drive requirements and architecture decisions to enhance customer experience.

Lead backend development using C#/.NET and cloud-native technologies. Build and maintain APIs, ensure quality and performance, troubleshoot issues, conduct code reviews, and drive software/process improvements.

Build and operate backend systems enabling enterprise deployments of Coder. Design and implement scalable backend architecture, improve upgrade and migration reliability, investigate and resolve production scalability issues, own operator-facing backend features, document tradeoffs, participate in design reviews and on-call rotations.

Lead design, implementation, and operation of production-quality DevOps platforms and automated test infrastructure for heterogeneous edge hardware. Improve CI/CD, build/release, deployment automation, developer tooling, and platform reliability. Enable reproducible tests, diagnose failures across devices, partner with engineering and QA, and drive major infrastructure initiatives from ambiguity to production.