Top Software Engineer Jobs in San Antonio, TX

Own the development and maintenance of large-scale React Native applications for iOS and Android. Lead architecture improvements, React Native upgrades, native module development, performance optimization, automated testing, CI/CD reliability, and production debugging. Collaborate with cross-functional product pods, contribute to technical discovery and architecture, mentor engineers, and raise engineering standards while delivering scalable, maintainable mobile experiences.

Design, build, and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, and test reliability while owning services end to end, including SLOs, observability, and on-call responsibilities. Partner with engineering teams to address platform pain points and lead cross-cutting technical projects through production.

Develop and operate backend systems supporting post-transaction processing for Affirm Card. Break down projects, write tested and extensible code, collaborate with product and engineering teams, monitor system health, troubleshoot issues, participate in on-call support, and contribute to code reviews and team development.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Build and scale Go backend services for agent quoting, configuration, and application submission. Design APIs and distributed systems, write unit and integration tests, resolve partner-specific issues, contribute to architecture, support production debugging, improve CI/CD automation, and use AI coding tools in daily engineering workflows. Collaborate with adjacent teams and mentor teammates through pairing and documentation.

Build and operate a stablecoin payment rail for merchant checkout, subscriptions, refunds, reconciliation, and onchain settlement. Deliver full-stack features across Go services and React/Next.js interfaces, including APIs, protobufs, database migrations, wallet connectivity, and durable Temporal workflows. Improve accessibility, conversion, performance, and observability through logs, metrics, and traces. Participate in on-call rotations and collaborate cross-functionally to integrate Payment Acceptance into Coinbase’s developer platform.

Design, develop, test, and document software solutions; deliver application features and improvements; troubleshoot technical and production issues; improve application stability and scalability; enhance automated tests and code quality; and manage technology-related risks and compliance.

Lead a team of software engineers supporting critical retail-banking applications. Design and develop software solutions, provide technical guidance, review code and documentation, troubleshoot complex incidents, and apply SRE practices. Maintain on-call rotation for after-hours critical incidents. Use OpenShift, Hogan, Dynatrace, and Linux; collaborate on releases and modernize application delivery.

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.

Design and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

Lead back-end software development teams in designing, building, and maintaining scalable enterprise applications, APIs, databases, and infrastructure. Responsibilities include solution development, performance testing, data storage design, system modernization, automation, mentoring, risk identification, and technical leadership using Agile practices and modern frameworks.

Build and independently deliver full-stack healthcare software features using Java or Groovy, React and TypeScript, MongoDB, and Kafka. Responsibilities include design, implementation, testing, deployment, production debugging, code reviews, design documentation, dependency coordination, process improvements, and mentoring. The role requires reliable delivery with minimal oversight and collaboration across engineering, product, and QA teams in a remote-first environment.

Develop and ship full-stack web and mobile experiences across Affirm’s consumer app and website. Collaborate with product, design, analytics, and engineering teams to break down projects, make technical decisions, write tested and extensible code, launch scalable APIs, monitor service health, support on-call operations, review code, and participate in team development and interviewing.

Build and scale consumer-facing mobile and web applications and backend services. Own features end-to-end across frontend and backend, optimize databases and queries, integrate third-party APIs, implement algorithms for risk and transaction evaluation, improve reliability and CI/CD, and contribute to testing, monitoring, and internal tools to support customer operations.

Develop and improve MongoDB’s distributed database networking and observability components. Responsibilities include writing production-level C++ code, enhancing performance, availability, scalability, and resource efficiency, integrating observability frameworks, leading medium-sized projects, collaborating across the product lifecycle, and participating in code reviews and technical design. The role requires strong software architecture fundamentals and an interest in networking, observability, and computer systems internals.

Designs, develops, tests, troubleshoots, and maintains complex Java software capabilities. Builds Kubernetes deployments, enterprise APIs, RESTful services, and microservices while collaborating in an agile environment. Provides technical leadership, mentorship, and guidance to engineering teams. The role requires Linux, configuration management, and Kubernetes expertise, with preferred experience in cloud technologies, custom Kubernetes tooling, CI/CD, distributed databases, and scripting. This is a hybrid position requiring weekly presence in San Antonio, Texas, or a customer site.

Designs, develops, tests, troubleshoots, and implements Java software capabilities, enterprise APIs, RESTful services, and microservices. Uses AI coding agents for feature development, refactoring, testing, and codebase navigation. Collaborates in an agile team, manages multiple deadlines, maintains software quality and security, and supports evolving technologies. The role requires hybrid work in Columbia, Maryland, or San Antonio, Texas, and eligibility to obtain a U.S. government security clearance.

Senior software engineer responsible for enterprise test management and software testing across Air Force human resources systems. Duties include developing test strategies, plans, and reports; coordinating multi-phase testing; supporting Agile software engineering, automation, ALM tools, cybersecurity compliance, RMF, and system sustainment. The role also involves requirements analysis, technical documentation, solution development, configuration support, and evaluation of modern technologies such as Kubernetes, microservices, APIs, and CI/CD.

Develop and maintain automated test suites and software solutions for Air Force HR systems, including MilPDS and legacy applications. Perform manual testing, test procedure creation, defect logging, documentation, source-code support, and CI/CD pipeline integration. Apply Agile software engineering, cybersecurity practices, RMF knowledge, scripting, tool engineering, and quality verification. Evaluate technologies such as Kubernetes, infrastructure as code, APIs, and microservices while supporting enterprise automation tools including UiPath and OpenText UFT One.

Build and maintain web applications for data lake and warehouse products using JavaScript, CSS, and HTML. Collaborate with designers, backend engineers, and data scientists; develop REST API integrations, write unit tests, perform QA, conduct code reviews, troubleshoot customer issues, and provide application support. The role requires hybrid work in San Antonio and eligibility for a U.S. government security clearance.

Develops and evaluates software and Oracle database solutions supporting Air Force personnel systems. Responsibilities include reviewing PL/SQL code and schemas, building automated database tests and synthetic data utilities, integrating schema-as-code and testing into CI/CD pipelines, analyzing system architecture, enforcing cybersecurity and compliance requirements, documenting engineering work, and supporting Agile software development. Requires extensive software engineering experience, DoW experience, Oracle database expertise, U.S. citizenship, and an active Secret clearance.

Own performance optimization, reliability, observability, capacity modeling, and automated failover for Coinbase’s blockchain node infrastructure. Diagnose resource bottlenecks, reduce infrastructure costs, define SLOs and SLIs, support protocol upgrades, and improve node performance across distributed systems at scale. Collaborate with protocol integration, wallet, and indexer teams while applying backend programming and systems profiling expertise.

Design, build, and operate scalable, secure data platform infrastructure for ingesting, processing, cataloging, and accessing petabytes of data. Improve Spark/Databricks reliability and developer experience, build ingestion/replication systems, develop internal libraries and tooling (Go/Python), and collaborate with cross-functional teams to support analytics, ML, and customer-facing data products.

As a Software Engineer, you'll develop software using Ruby, Javascript, and support AWS infrastructure. Responsibilities include maintaining and building applications, contributing to high-end software releases, and mentoring other engineers.

Build and scale backend data platforms and services for real-time loan origination and financial reporting. Lead quarterly delivery, guide engineers, define technical plans, collaborate with product and design partners, improve reliability and operational practices, monitor service metrics, participate in on-call support, uphold engineering quality standards, and mentor team members. The role requires developing highly available distributed systems and scalable data pipelines using technologies such as Python, Kotlin, AWS, MySQL, Kubernetes, Spark, and Airflow.