127 principal software engineer jobs at 47 companies in Blanco, TX
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Principal Software Engineer – Developer Experience
Austin or Warren
HybridFull Time
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
2mo
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Principal Software Engineer - 26207
Austin, Texas, United States
RemoteFull Time
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
2mo
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Principal Software Engineer
Nashville or Austin
$100k-$223k/yr OnsiteFull Time
6+ YOE6-10 years distributed cloud engineering; strong PaaS experience; Java/C++/C#, scripting; collaboration with cloud teams; strong communication; AI tooling exposure.
Java, C++, C#, Scripting
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Principal Software Engineer - 26207
Austin or United States
HybridFull Time
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
1mo
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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
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
3w
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Principal Software Engineer
Mountain View or Redmond or Austin or Hillsboro or Raleigh
$143k-$275k/yr HybridFull Time
6+ YOEBachelor's in CS or related and 6+ years engineering experience (or equivalent); strong C/C++/Python skills; SoC, firmware, silicon bring-up, hardware/software co-design experience; security screening required.
C, C++, C#, Java, JavaScript, Python, JTAG, Lauterbach TRACE32, FPGA, Zebu, HAPS, Palladium, Veloce, Microsoft Azure
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AI Development & Agent Ops — Senior Principal Software Engineer
Hopkinton or Austin
$208k-$270k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, strong CI/CD and DevOps practices, experience with agentic/AI development, cross-functional collaboration, strong written and verbal communication.
CI/CD, DevOps, Windsurf, Codeium, Claude Code, GitHub Copilot, Cursor, Model Context Protocol (MCP)
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Senior Principal Software Engineer
Hudson or New Hampshire or Austin or San Diego or Texas or California or United States
$133k-$226k/yr OnsiteFull Time
8+ YOEActive DoD Secret clearance and U.S. citizenship, Bachelor’s in CS/CE (or related) with 8+ years experience, embedded/application C++ development, Linux, software engineering processes, testing, and technical leadership.
C++, Linux, Git, Jira, Confluence, ClearCase, Bitbucket, Continuous Integration Tools
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Principal Software Engineer
Austin or Irvine or Dallas
$134k-$185k/yr HybridFull Time
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
1mo
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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 Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
10+ YOEMaster's or Bachelor's in CS/AI (required), 10+ years software engineering, expert Python/FastAPI, semantic/graph and RAG experience, cloud (GCP/AWS/Azure), Git/Unix, ADK, vector DBs, strong communication and leadership.
Git, Unix, Python, FastAPI, FastMCP, ADK, Vector Databases, GraphRAG, RAGAS, DeepEval, HyDE, GCP, AWS, Azure
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Senior Principal Applied AI-Software Engineer
Austin, Texas, United States
HybridFull Time
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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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
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
3mo
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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
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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Software Engineer, Principal - TS/SCI
Centreville or Herndon or Columbia or Augusta or San Antonio or United States
$125k-$225k/yr HybridFull Time
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
2mo
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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
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
3w
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Principal Software Engineer
San Antonio, Texas, United States
$119k-$161k/yr HybridFull Time
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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Principal Software Engineer
Austin or Toronto or Alabama or California or Florida or Georgia or Illinois or Indiana or Kansas or Kentucky or Maryland or Michigan or Missouri or North Carolina or Ohio or Oregon or Rhode Island or Tennessee or Texas or Virginia
RemoteFull Time
Technical leader with hands-on experience building and replatforming SaaS products, team leadership, proficiency with NodeJS, C#, PostgreSQL and Microsoft SQL, and experience using AI tools (Claude preferred).
Claude, NodeJS, C#, PostgreSQL, Microsoft SQL
2mo
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Sr. Principal Software Engineer
Austin, Texas, United States
$196k-$364k/yr OnsiteFull Time
MS in Computer Science or Computer Engineering; proficient in C/C++; strong algorithms; digital logic knowledge; UNIX/Linux preferred; Design-for-Test knowledge preferred; HDL (Verilog/VHDL) a plus; strong problem solving and communication.
C/C++, UNIX, Linux, Verilog, VHDL
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