Top Software Engineer Jobs in San Antonio, TX

Design and develop functionalities for the Agents framework, iterate on feedback, and create documentation while working with various programming languages.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

As a Software Engineer on the Data side of the AI team, you will manage data collection and infrastructure to improve model training and enhance data quality at scale.

Build and maintain scalable, highly available payments risk systems that detect, mitigate, and resolve fraud and other malicious activity. Develop service-oriented APIs, real-time risk services, vendor and payment-network integrations, monitoring, and alerting. Collaborate with product managers, data scientists, operations, and engineering teams to evolve risk strategies, deliver product features, conduct experimentation, and maintain high engineering standards.

Develop and maintain scalable backend services and APIs for Twilio’s communications platform. Responsibilities include software design, development, deployment, code reviews, production operations, releases, on-call support, and technical documentation. The role requires collaboration within a small engineering team and the ability to explain complex technical concepts clearly.

Designs, develops, tests, deploys, maintains, and supports enterprise software applications using C#, .NET, ASP.NET Core, SQL Server, APIs, and related technologies. Owns application performance, reliability, scalability, troubleshooting, and continuous improvement. Serves as a technical subject matter expert, contributes to architecture and technology decisions, partners with DevOps on CI/CD automation, and mentors engineers. Collaborates with business stakeholders, product owners, vendors, and project teams throughout the software development lifecycle.

Build and own Dia’s enterprise administration products, including the Admin Console, entitlement and provisioning APIs, identity and policy configuration, usage metering, commerce integrations, and Atlassian Admin Hub integration. Partner with platform and client engineers to deliver enterprise features across web and native clients, establish technical direction, and shape the enterprise roadmap in a high-ambiguity startup environment.

Designs, develops, and maintains infrastructure for ML pipelines and CI/CD. Analyzes infrastructure performance, collaborates with data and software teams, manages feature stores and model registries, writes maintainable code, and documents technical processes. The role requires experience with cloud, big-data, programming, workflow orchestration, version control, and continuous integration technologies.

Build and maintain performant, accessible consumer-facing experiences for Netflix’s iOS app using Swift and GraphQL. Collaborate with product managers, designers, and engineers to scope projects, refine interfaces, develop shared infrastructure, and make architectural trade-offs. Teams may focus on client foundations, server-driven UI, advertising frameworks, or ad insertion. Responsibilities include writing robust maintainable code, automation, documentation, and supporting high-quality, scalable mobile experiences.

Join Azure PostgreSQL to design, implement, and test features in a relational database engine (query processing, logging, storage, IO, scale-out). Collaborate with stakeholders, write maintainable code, define test plans, operate live services (on-call), and contribute to open-source PostgreSQL and Linux.

Lead technical strategy and delivery for backend marketplace/search systems. Collaborate with PM, design, and analytics; own operational reliability, monitoring, on-call, testing, and runbooks; set code/design standards; drive major feature delivery and deprecations; mentor and develop engineering talent.

As a Senior Software Engineer, you'll support projects from conception to completion, build and extend React applications, and contribute to Vetcove's platform development.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Build and ship end-to-end features for Dover's marketplace and ATS. Propose product ideas, implement designs, launch, iterate in production, and collaborate closely with a small engineering team to move quickly and maintain high quality.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Build and ship Android features and foundational infrastructure for Netflix’s global app. Responsibilities include designing maintainable, testable code; developing shared frameworks and tooling; partnering with product, design, and engineering teams; modernizing Android practices; using automated testing; scoping projects and making technical trade-offs; and applying GenAI tools to improve development workflows.

Build and own rule evaluation engine components for Shippo’s customer-facing data products. Develop high-throughput Python and FastAPI backend services, event-driven integrations, PostgreSQL data models, and React configuration interfaces. Ship features end-to-end with feature flags, testing, observability, and production validation. Collaborate with Data Science, Analytics Engineering, and Product teams, participate in on-call response, contribute to technical design, and help onboard teammates.

Build and improve distributed data applications powering large-scale audience segmentation and personalized messaging. Own well-scoped features end to end, including design, implementation, testing, deployment, and operation. Collaborate with engineering, product, and design teams while developing expertise in distributed systems, data pipelines, real-time processing, databases, and platform performance.

Develop and maintain reliable C++ software for real-time embedded Linux synthetic aperture sonar systems used in mine detection and hydrographic surveying. Responsibilities include implementing features, reviewing architecture, estimating tasks, supporting CI and automated testing, mentoring junior developers, and occasionally participating in sea trials. The role requires collaboration in an agile remote team and offers preferred experience with underwater robotics, Nvidia Jetson, gRPC, Docker, networking, sonar operations, or digital signal processing.

Develop and maintain scalable full-stack software across front-end, application, and database layers. Design, test, debug, document, and deploy applications; troubleshoot complex customer issues; build reusable and maintainable components; manage Docker containerized applications; and work with PHP, AWS, REST APIs, databases, JavaScript, and React. Mentor software developers, advise on architecture, and support continuous technology improvement within a cross-functional team.

Design and implement cloud-based solutions with customers; write and reuse code, produce design documents, decompose and estimate work, act as on-call DRI to monitor and restore services, collaborate with cross-functional teams, contribute to open-source, and stay current with engineering best practices.

Design, build, test, and document client-side networking software for Tailscale's dataplane. Improve connectivity between clients, subnet routers, and exit nodes, optimize performance and reliability, resolve complex customer network escalations, collaborate with product and engineering, and engage with the open-source community.

Work directly with the founder to design and build core product features: integrations that pull license data, automation to file renewals/applications, data cleaning with AI, dashboard and alerting UX, and establish engineering practices for testing, deployments, and security. Term contractor role with potential conversion to full-time based on performance.

Own and deliver scalable software features within dynamic squads, collaborating with product, design, QA, and engineering. Responsibilities include feature development, API and microservices work, testing, code reviews, Git workflows, performance optimization, Kubernetes/Azure/Cloudflare infrastructure management, documentation, demos, and mentoring junior engineers. The role requires JavaScript/TypeScript, databases, Web3 familiarity, independent execution, strong communication, and AI-supported development workflows.