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105 principal engineer software development jobs at 45 companies in San Marcos, TX

3mo
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Principal Software Development Engineer
Seattle or Santa Clara or Austin or United States
$100k-$235k/yr OnsiteAll Commitments Available
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOE10+ years in software engineering; leadership in design/architecture; distributed systems and security services; Linux/Unix knowledge; microservices; databases.
Linux, Unix, Distributed Systems, Security, KMS, HSMs
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Principal, Software Development Engineering
Dallas or Austin
$134k-$188k/yr HybridFull Time
Cotality
Cotality: Provides property data, analytics, and workflow intelligence solutions.
10+ YOERequires 10+ years of software engineering experience, principal-level technical leadership, proficiency in Python, Java, C, or .NET, and expertise in distributed systems, spatial data, geospatial queries, Web APIs, and cloud-native services.
Python, Java, C, .NET, AWS, GCP, Azure, Model Context Protocol (MCP), GitHub Copilot, Gemini, Esri
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Principal Software Engineer – Developer Experience
Austin or Warren
HybridFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
10+ YOE10+ years in software development; senior/principal-level leadership; strong systems thinking and product mindset; AI-native mindset; experience leading cross-team initiatives; excellent communication.
Java, Go, C#, Python, TypeScript, GitHub, GitLab, CI/CD, Jira, ADO, Artifact repositories, Secrets management
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Principal Software Engineer - 26207
Austin, Texas, United States
RemoteFull Time
Enverus
Enverus: Software and analytics for the global energy industry.
8+ YOE8+ years of software engineering; strong in PET stack (Python, TypeScript/React, RDBMS, AWS); lead design and architecture; mentor engineers; ensure reliability, performance, and observability.
ReactJS, TypeScript, Node.js, Databricks, Python, Jenkins, GitHub, Bitbucket, CI/CD, SOC compliance
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Principal Software Engineer - 26207
Austin or United States
HybridFull Time
Enverus
Enverus: Energy-dedicated SaaS platform for data, analytics, and intelligence.
8+ YOE8+ years of software engineering, leadership in design/architecture, production-grade code, testing, CI/CD, observability, SOC/compliance awareness, and collaborating across distributed teams.
Python, TypeScript, Angular, RDBMS, AWS
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Principal Software Engineer
United States or Canada or Columbus or Austin or San Francisco or New York City
$191k-$264k/yr RemoteFull Time
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
8+ YOEBachelor's or equivalent and 8+ years software engineering experience; designing and operating large-scale distributed systems, relational schemas, APIs, auth/RBAC; partnering with risk/compliance/operations teams.
TypeScript, Node.js, Next.js, Prisma, SOC 2, NIST CSF
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Principal Software Engineer
Austin or Irvine or Dallas
$134k-$185k/yr HybridFull Time
Cotality
Cotality: Provider of property intelligence, data, and analytics solutions.
5+ YOEBachelor's degree required, 5+ years software development experience, strong SDLC and architecture skills, cross-stack programming, experience driving adoption of tools and AI-assisted workflows (GitHub Copilot, LLM APIs, agent frameworks), strong communication and leadership.
GitHub Copilot, LLM APIs, agent frameworks, SDKs
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Senior Principal Applied AI-Software Engineer
Austin, Texas, United States
HybridFull Time
Emerson
EmersonNYSE: EMR: Engineering industrial automation and software solutions for global industries.
10+ YOEBachelor's degree in CS/Engineering, 10+ years software development, 5+ years technical leadership, hands-on experience with AI coding agents, strong communication, and US work authorization without sponsorship.
Nigel, GitHub Copilot, Claude Code, Codex, Antigravity, Cursor, C/C++, Go, .NET, Python, TypeScript, Next.js, React
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Firmware Development Principal Engineer
Santa Clara or Austin
$212k-$318k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
6+ YOERequires 6+ years software engineering experience (PhD+6 / MS+7 / BS+8), proficiency in C/C++/Java/Python, embedded firmware and driver development experience, familiarity with RTOSes (Zephyr, eCos, uC/OS, FreeRTOS) and ARMv8 platforms.
C, C++, Java, Python, Zephyr, eCos, uC/OS, FreeRTOS, FPGA, ARM v8
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AI Development & Agent Ops —  Principal Software Engineer
Hopkinton or Austin
$168k-$231k/yr OnsiteFull Time
Dell Technologies
Dell TechnologiesNYSE: DELL: Provides information technology hardware, software, and services.
8+ YOE8+ years software engineering experience; deep familiarity with CI/CD, DevOps, agentic/AI development; cross-functional collaboration and strong communication skills.
CI/CD, DevOps, Windsurf, Codeium, Claude Code, GitHub Copilot, Cursor, Model Context Protocol (MCP)
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
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Principal Software Engineer (Platform Team)
Bastrop or Hawthorne or Palo Alto or Redmond or Brownsville or Sunnyvale
HybridFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
7+ YOE7+ years building and scaling production AI platforms; 9+ years in lieu of degree; design and operate large-scale AI/ML platforms; Docker/Kubernetes; security-minded.
Docker, Kubernetes, Multi-Cloud, Frontier Model Providers, Python, CI/CD, Security tooling
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Principal Cyber Software Engineer
Annapolis Junction or San Diego or Aurora or Raleigh or San Antonio
$120k-$188k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOERequires active TS/SCI with polygraph, Bachelor's (4 yrs)/Masters (2 yrs)/PhD (0 yrs) in CS/IS/Network Engineering, experience with Python or C/C++, troubleshooting and debugging, and software development across Windows/UNIX/embedded environments.
Assembly, C, C++, Java, Perl, Python, Microsoft Visual Studio, Microsoft .NET, UNIX, make
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1w
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Principal Software Engineer
Redmond or Austin or Mountain View or San Francisco or New York City
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
6+ YOEBachelor's degree in computer science or related technical field and 6+ years of coding experience. Requires C/C++ development, Windows systems knowledge, hardware debugging, automation, and cross-functional collaboration.
C, C++, C#, Java, JavaScript, Python, Microsoft Windows, Linux, PCIe, NVMe, USB, I2C, SPI, UART, GPIO, Plug and Play, JTAG, Scrum
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2mo
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Principal Software Engineer
Boulder or Austin
$180k-$220k/yr OnsiteFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
10+ YOE10+ years engineering experience, Bachelor's in CS/CE, proven architecture leadership, proficiency with Python and SQL, Linux experience, familiarity with Git and automated testing, and willingness to learn atomic/optical/quantum concepts.
Python, Rust, TypeScript, React, SQL, Linux, Git, Terraform, Azure, AWS, GCP
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Principal Embedded Software Engineer
Austin, Texas, United States
OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
15+ YOEBS or MS in computer science, electrical engineering, or computer engineering; 15+ years of experience; expert C/C++, Python, embedded systems, RTOS, software architecture, debugging, and hardware integration expertise.
C, C++, Python, Linux, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, RTOS, Software Development Kit (SDK), ARM
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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1mo
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Software Engineer, Principal - TS/SCI
Centreville or Herndon or Columbia or Augusta or San Antonio or United States
$125k-$225k/yr HybridFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOE10+ years software engineering experience, C/C++ proficiency, strong Windows knowledge, Git familiarity, active Top Secret/SCI clearance, bachelor’s in CS preferred, documentation and collaboration skills.
C/C++, Git, Python, CI/CD, Windows APIs, win32, Windows Native
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Principal Software Engineer
San Antonio, Texas, United States
$119k-$161k/yr HybridFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOEActive TS/SCI clearance, 10+ years experience, expert DevSecOps and CI/CD, cloud and containerization expertise, scripting (Python/Bash/Go/Java), security assessment and incident response experience.
Agile Methodology, Java, Kubernetes, Python, Jenkins, GitLab CI, CircleCI, Azure DevOps, Ansible, Puppet, Chef, Terraform, Docker, Docker Swarm, AWS, Azure, Google Cloud, Bash, Go, Burp Suite, Nessus, Splunk, OWASP, SIEM
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Principal Software Engineer
San Antonio, Texas, United States
$119k-$161k/yr HybridFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOE10+ years experience with DevSecOps, CI/CD, cloud, containerization, automation, security assessments, scripting, and technical leadership on secure systems.
Agile Methodology, Java, Kubernetes, Python, Jenkins, GitLab CI, CircleCI, Azure DevOps, Ansible, Puppet, Chef, Terraform, Docker, Docker Swarm, AWS, Azure, Google Cloud, Bash, Go, OWASP, Nessus, Burp Suite, Splunk, SIEM
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