Top Remote Software Engineer Jobs in San Antonio, TX

Develop and maintain high-performance, standards-compliant Firefox layout and rendering functionality, with a focus on Asynchronous Pan and Zoom. Responsibilities include implementing algorithms and user interaction techniques, debugging and optimizing multithreaded code, reviewing code, testing and triaging bugs, and collaborating on long-term platform development across Android, Windows, Linux, and macOS.

Develop performant, standards-compliant Firefox layout and Asynchronous Pan and Zoom features across multiple platforms. Responsibilities include writing and optimizing multithreaded C, C++, or Rust code; debugging rendering and interaction issues; developing layout, graphics, algorithms, and tools; reviewing code; testing and triaging bugs; and contributing to long-term open-source projects.

Design and scale Cohere’s Model Vault backend and inference platform. Lead architecture for authentication, deployments, billing, metering, customer lifecycle, and cloud control-plane services. Build reliable distributed systems with strong guarantees for security, privacy, consistency, isolation, observability, and failure recovery. Drive technically complex initiatives from threat modeling and architecture through implementation, production rollout, operations, and iteration at enterprise scale.

Owns end-to-end technical architecture across Rails, Python machine-learning services, agent infrastructure, and data platforms. Leads scalability, reliability, cost optimization, model infrastructure, architectural reviews, technical roadmap decisions, incident response, code reviews, and engineering mentorship. The role remains hands-on, requiring production coding and expertise in computer vision, LLM systems, cloud infrastructure, databases, background jobs, Kubernetes, and DevOps practices.

Develop and support software applications, REST and ASP.NET web services, distributed systems, data integrations, and storage solutions. Analyze requirements, optimize performance, resolve application issues, implement security and data protection, and collaborate with product, business, and QA teams. The role includes technical documentation, quality reviews, managing competing priorities, and mentoring less experienced developers.

Design and build scalable, secure, highly available revenue infrastructure for Netflix’s global financial workflows. Responsibilities include distributed data processing, financial data modeling, configurable pipelines, APIs, settlement, reconciliation, invoicing, and revenue partner systems. Collaborate with Product Managers, engineering teams, and Revenue Finance while independently delivering reliable solutions through complex cross-functional projects and test-driven development.

Modernize and develop a large-scale React Native mobile application with reliable offline-first functionality, local data storage, synchronization, BLE device integrations, scalability, and strong performance. The role includes shaping architecture, improving engineering practices, collaborating cross-functionally, mentoring developers, providing technical leadership, and visiting customer farms to understand workflows. Requires extensive mobile development experience and occasional U.S. travel.

Build and maintain full-stack software for startup clients, including backend services, frontend experiences, new features, redesigns, bug fixes, and product improvements. Collaborate daily with product managers, designers, and engineers in a distributed, agile environment. Take ownership across the technology stack, write clean maintainable code, contribute to client missions, and support team growth and knowledge sharing.

Develop, test, deploy, and maintain full-stack enterprise applications in AWS. Build front-end interfaces, backend services, APIs, integrations, and database components; troubleshoot complex technical issues; contribute to architecture and design decisions; support CI/CD and production readiness; conduct code reviews; collaborate across Product, QA, and DevOps; and mentor junior developers.

Design, build, and operate scalable backend services and APIs. Develop integrations, shared data APIs, metrics storage, ETL pipelines, and AI-enabled product features. Diagnose reliability and performance issues, improve developer experience, and advance engineering practices. Collaborate with engineers, clients, and non-technical stakeholders while working effectively in a fast-changing startup environment.

Design and implement scalable backend services for MoneyGram’s core transaction and API platforms. Responsibilities include architecture, microservices, APIs, event-driven systems, integrations, cloud development, CI/CD automation, testing, deployment, operational excellence, and engineering standards. The role collaborates with product, engineering, and QA teams, mentors junior engineers, leads complex technical solutions, and influences technical direction in an agile environment.

Lead technical direction for Elastic’s billing experience platform. Design and evolve public and internal APIs, build full-stack billing and account-management features, and shape scalable architecture and data models. Improve reliability, observability, deployment, CI/CD, and incident response across cloud services. Mentor engineers, review technical work, influence roadmap priorities, collaborate across Product, Design, SRE, Finance, and Cloud teams, and participate in on-call rotations.

Designs and executes manual and automated testing across applications, APIs, databases, data platforms, and integrated systems. Builds QA automation frameworks, validates data quality, manages test environments, supports CI/CD test integration, tracks defects, and performs root cause analysis. Collaborates with Agile engineering teams on sprint planning, releases, and process improvements while testing healthcare technology platforms and regulated workflows.

Design and build unified testing frameworks enabling portability across SIL, HIL, and simulation. Configure and maintain physical HIL benches and hardware interfaces, integrate automated HIL tests into CI pipelines, collaborate with software teams to improve HIL/CI systems, and monitor runtime performance, system health, and reliability metrics across testing platforms.

Design and scale ARM64 compute platform infrastructure, hypervisor integrations, instance management, resource orchestration tools, and compute APIs. Develop and maintain low-level services using Python, Go, or compiled systems languages. Collaborate with hardware and global engineering teams, participate in design reviews, debug distributed Linux systems, and mentor junior engineers.

The Senior Software Engineer will design and develop backend systems and APIs, mentor other engineers, and resolve complex integration challenges in healthcare technology.

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.

The Senior Software Engineer will enhance the core product by developing features and tools for Chainguard Images, collaborating with teams and ensuring product quality.

Design, build, and maintain automation and control systems for bioreactors and bioprocessing equipment. Tune and troubleshoot PID control loops, improve system reliability through monitoring and fault recovery, and develop safe interfaces between cloud software and physical devices. Build sensor, actuator, and embedded-controller integrations while collaborating across mechanical, electrical, process, and software engineering teams to deliver robust, scalable automation solutions.

Design, implement, and maintain scalable, secure, high-performance backend systems and public-facing APIs. Collaborate with Product and Data Science teams, lead initiatives improving efficiency and system performance, and support customer satisfaction. Work may involve distributed systems, pricing engines, identity management, authentication, authorization, API versioning, deprecation, and rate limiting.

Develop and maintain enterprise full-stack applications using Java Spring Boot, REST APIs, modern front-end frameworks, Oracle Exadata, and OpenShift/Kubernetes. Responsibilities include legacy code analysis, full-lifecycle development and testing, SQL and PL/SQL optimization, microservices deployment, CI/CD, code reviews, architecture discussions, monitoring, and Agile collaboration. The role requires an active transferable IRS MBI moderate-risk public trust investigation, U.S. citizenship, and substantial full-stack and cloud-native development experience.

Owns maintenance and support of Virscidian’s existing software products. Responsibilities include resolving defects and customer issues, developing C#/.NET desktop and server applications, working with SQL Server and REST APIs, supporting Azure resources and DevOps processes, troubleshooting deployments, and delivering incremental features. The role collaborates with support, product, business, and engineering teams while contributing to SaaS, scientific algorithms, performance, and scalability initiatives when appropriate.

Build innovative software products in the Special Projects Division addressing public health, agriculture, education, and aid-related challenges in Sub-Saharan Africa. Responsibilities include designing software architectures, developing on UNIX-based platforms, participating in code reviews, using disciplined version control, collaborating with teams, and potentially applying Django, React, Android, or PyTorch. The role may involve travel to Africa to understand local contexts.

Build, scale, and modernize SmartAsset’s web platform and content management systems across front-end and back-end services. Collaborate with product teams and stakeholders in an Agile environment, contribute to technical architecture and decisions, support roadmap execution, improve processes, and help maintain highly available web products. The role also involves mentoring teammates, managing technical risks, and working remotely with senior engineers and architects.

Build and own Android growth and monetization experiments across subscriptions, pricing, advertising, purchases, and upgrade flows. Partner with product, design, data science, and analytics to instrument experiments, manage staged rollouts, monitor performance, and act on results. Use AI tools throughout development, contribute to Android architecture and engineering practices, participate in on-call support, mentor engineers, and help scale reliable mobile experiences to tens of millions of users.