Top Software Engineer Jobs in San Antonio, TX

The Senior Software Engineer, Fullstack will lead product development by collaborating with teams, owning projects from inception to production, and ensuring high-quality code and system performance.

As a Senior Software Engineer, you will deliver software solutions for clients, teach agile practices, and ensure project success through collaboration. You will work directly with teams and clients to implement effective software development methodologies.

The Senior Software Engineer will design and maintain MediaWiki's backend components, ensuring quality and operational excellence across the platform while mentoring team members and aligning with WMF strategies.

The Senior Software Engineer will design and maintain scalable applications for Loan Origination and Servicing, focusing on backend architecture and system design to enhance decision-making and workflows.

Design and implement scalable Salesforce solutions, lead development teams, manage integrations, and mentor junior developers while ensuring security and compliance standards are met.

Serve as an embedded Linux expert on customer projects: design and refactor real-time architectures, develop Linux kernel drivers, debug low-level hardware/software issues, optimize kernel performance, collaborate with customers and internal teams, lead technical efforts, produce high-quality deliverables, and create technical proposals to support product lifecycle and certification.

Contribute to development by writing, testing, and maintaining code under senior guidance; participate in code reviews, standups, and sprint planning; debug and resolve application issues; collaborate remotely and continuously learn new tools and best practices.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Design and build AI-augmented test tooling and automated test infrastructure across mobile, web, and backend. Integrate testing into engineers' workflows (IDE, CI, monitoring, chatops), define quality gates, instrument AI usage and costs, ensure secure handling of PHI, and produce reusable libraries, documentation, and training to help teams adopt automated quality workflows.

Build and maintain an in-house insurance rating engine using Python. Collaborate with stakeholders to gather requirements, design features, implement back-end and front-end components, analyze customer data for rating accuracy, debug data issues, and apply P&C insurance concepts to technical solutions.

Develop, design, and maintain production software for autonomous mission management of a satellite constellation. Contribute to architecture, implement scalable algorithms in Python and Go, support production operations, on-call rotations, launches, and cross-team integration for automated constellation operations.

Frontend-focused senior software engineer to lead and implement Search features in a high-traffic React/TypeScript app. Collaborate with backend, product, and design to build end-to-end features, optimize UX and performance, work with mapping/data visualizations, and participate in architecture, on-call rotations, and mentoring.

Design, develop, and operate scalable, low-latency backend Guidance services for navigation. Solve complex guidance scenarios, build customizable solutions for OEMs and niche customers, and create tooling and AWS-based infrastructure to support mapping and navigation features.

Lead design, development, and maintenance of SmithRx frontend features using JavaScript and React while ensuring high-quality code and scalability. Collaborate with product teams and mentor junior engineers.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.

Design, build, and optimize scalable Java-based microservices and RESTful APIs. Ensure performance, uptime, and engineering standards through design and code reviews, testing, and collaboration with product and support teams. Contribute to domain-driven service design and API consistency.

Lead design, development, and maintenance of scalable backend services for Payouts. Drive architecture, ensure performance and reliability, mentor engineers, enforce engineering best practices, and collaborate with product and support teams to deliver customer-facing REST APIs.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

Lead software quality assurance activities for medical device software, ensuring compliance and quality metrics throughout the software lifecycle.

Own and design high-impact components of Chainguard's container image platform. Build and improve image build systems, tooling, and services at scale. Drive technical direction, participate in roadmap planning, collaborate cross-functionally, and mentor engineers to raise engineering quality.

As a Senior Software Engineer, design, build, and maintain backend functionality for scalable multi-tenant services focused on data storage and retrieval. Lead technical initiatives, collaborate across teams, and ensure system reliability and performance.

Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.

The Senior Software Engineer will focus on backend development, designing and maintaining APIs and services, collaborating on features, and enhancing integrations at Motion.

As a Junior Software Engineer, you'll develop applications in a team, gaining training in Java and other technologies, and you'll have opportunities to work with clients in various industries.

As a Junior Software Engineer, you will build applications, work in teams, and receive training in software development, focusing on Java and other languages.