Top Senior Software Engineer Jobs in San Antonio, TX

As a Senior Software Engineer, you'll develop and enhance the Snout web platform, collaborate with teams, and lead technical projects while ensuring performance and reliability.

Define and drive full-stack architecture and technical vision across teams, write high-quality production code, lead zero-to-one projects, productionize ML systems, own reliability and SLOs, mentor senior engineers, and align engineering roadmaps with product and company strategy.

Develop and maintain web and desktop applications using .NET technologies. Requires strong programming skills, experience with databases, and project management.

The role involves architecting and operating NVIDIA's cloud-native attestation platform, developing high-availability services, collaborating with cross-functional teams, and mentoring engineers.

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.

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

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

Design and implement embedded firmware and low-level software for server BMCs and GPU/HPC platforms. Enhance OpenBMC, enable real-time telemetry of power/thermal sensors, debug low-level drivers and interfaces, validate hardware-firmware integration, and contribute to long-term firmware architecture for cluster reliability.

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.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

Lead architecture and implementation of high-throughput, low-latency AdServer and Exchange services. Design scalable, resilient distributed systems, integrate demand/supply partners, improve RTB/auction capabilities, advance observability and automation (including AI-driven testing/IaC), and mentor engineers to increase platform reliability and revenue growth.

Design, build, and optimize edge data-collection agents for Windows, Linux, and Mac. Collaborate with product, UX, and engineering to deliver backend features, own development lifecycle, create automated tests, support SaaS products, and participate in 24x7 on-call rotations.

Build and maintain large-scale batch and streaming data ingestion and ETL pipelines for global geospatial datasets. Implement, test, monitor, and optimize backend services on AWS; integrate data with APIs; mentor engineers; reduce technical debt; and participate in design, code reviews, and on-call support to ensure data quality and operational excellence.

The Senior Software Engineer will enhance Attentive's event streaming platform, architect high-throughput systems, improve tools for product teams, and tackle complex distributed challenges. Responsibilities include collaborating on messaging systems and modernizing the architecture.

As a Principal/Staff Software Engineer, you will design, implement, and lead embedded software for Optical DCI transport systems, ensuring performance and reliability.

Lead design, development, testing, and delivery of backend-focused .NET Core systems. Mentor engineers, drive Agile ceremonies, own end-to-end projects, improve performance and reliability, provide 3rd-level support, and collaborate with stakeholders to implement APIs, databases, cloud, and containerized solutions.

Engineer end-to-end frontend and backend for an LLM-powered platform serving youth aging out of foster care. Design and optimize RAG systems, prompt engineering, embeddings, and agent interactions. Build accessible, Section 508-compliant interfaces and secure, federally compliant APIs. Ensure retrieval quality, safety, automated testing, CI/CD, and mentor teammates within a cross-functional, remote U.S.-based team.

Design, implement, test, and review high-throughput Java services for payments. Lead SDLC activities, ensure performance and security, mentor engineers, and document architectures while aligning technical solutions with business and regulatory needs.

Build and own mission-critical full‑stack features for a cannabis ERP and commerce platform. Work across product, design, and support to deliver high-quality code, tests, and AI-native workflows; define timelines, communicate progress, and ensure data integrity and compliance.

The role involves developing and optimizing core components of the Flow blockchain protocol, focusing on performance, scalability, and reliability, while also ensuring interoperability with the web3 ecosystem.

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.

Design, architect, and deliver scalable full-stack web features; own complex systems end-to-end; mentor engineers; deploy and manage cloud-based, containerized applications; maintain high code quality and excellent user experience while collaborating with product.

The Software Engineer V - Security Engineer will lead security measures, translate compliance requirements into actionable guidance, and proactively secure sensitive data across product teams.

Lead the design and implementation of identity and access management solutions, collaborating in an agile environment and providing technical leadership.