36 principal software engineer jobs at 18 companies in Katy, TX

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Principal Software Engineer
Houston, Texas, United States
OnsiteFull Time
Baylor Genetics
Baylor Genetics: Provides clinical genetic testing and genomic sequencing services.
10+ YOE10+ years of software engineering experience; expert in C#/.NET and React/TypeScript; strong SQL and API design; proven leadership
C#, .NET, React, TypeScript, MS SQL Server, PostgreSQL, MySQL, RESTful APIs, Distributed Systems, CI/CD, Cloud-Native
3mo
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HPE Morpheus Enterprise - Principal Software Engineer
Fort Collins or Durham or Houston
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
10+ YOESenior level backend software engineer with Java/Python-like languages, Linux, REST APIs, and cloud experience.
Java, Groovy, Ruby, Python, Linux, REST APIs, SQL, NoSQL, Virtualization, ITSM, CI/CD, Maven, Gradle, Git, Cloud (AWS, Azure, Google Cloud)
3d
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Principal Software Engineer
Jersey City or Houston
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOE7+ years software engineering experience, enterprise system design, production AI/ML and LLM systems, strong Python/Java skills, cloud-native experience, data engineering and observability expertise.
Python, Java, Kafka, Redis, MemCached, Dynatrace, Splunk, Grafana, Airflow, Temporal, Databricks, Snowflake, Spark, PySpark, Apache Iceberg, AWS, Azure, GCP, AWS Bedrock, Azure OpenAI
3mo
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HPE Morpheus Enterprise - Principal Software Engineer
Ft. Collins or Durham or Houston
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
10+ YOE10+ years of backend software development experience; proficient in Java, Groovy, Ruby, or Python; Linux experience; RESTful APIs; SQL/NoSQL databases; CI/CD; virtualization; cloud (AWS/Azure/GCP); build tools (Maven/Gradle); Git; strong communication.
Java, Groovy, Ruby, Python, Linux, RESTful APIs, SQL, NoSQL, Maven, Gradle, Git, CI/CD, AWS, Azure, Google Cloud, virtualization
3mo
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HPE Morpheus Enterprise - Principal Software Engineer
Fort Collins or Durham or Houston
$160k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
10+ YOE10+ years experience; Bachelor's in CS/Engineering; backend focus; Java/Groovy/Ruby/Python; Linux; REST APIs; SQL/NoSQL; CI/CD; virtualization; ITSM; cloud (AWS/Azure/GCP); build tools (Maven/Gradle); Git; architecture knowledge.
Java, Groovy, Ruby, Python, Linux, REST, SQL, NoSQL, Git, Maven, Gradle, CI/CD, AWS, Azure, Google Cloud, ITSM, Virtualization, Build Tools, Automation, Cloud
3w
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Principal Software Developer
Houston or Madison
RemoteFull Time
Octave
Octave: Mission-critical software for industrial assets and public safety.
5+ YOE5+ years in data science/ML engineering, 3+ years building NLP/generative AI and MLOps; production experience with Python ML stack, LLMs, cloud (AWS), MLOps, evaluation frameworks, and strong communication skills.
Python, Pandas, NumPy, scikit-learn, XGBoost, TensorFlow, PyTorch, Hugging Face Transformers, FastAPI, Flask, MLflow, pytest, SQL, GPT, Claude, Llama, Pinecone, Weaviate, Chroma, Docker, SageMaker, Bedrock, S3, Lambda, EC2, CloudWatch, Tableau, Power BI, Spark, Databricks, Snowflake, Airflow, Kubeflow, Datadog, Prometheus, Jira, LangGraph, LangChain, AutoGen, CrewAI, RAGAS, DeepEval
3w
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Principal Software Systems Engineer
United States or Arlington or Denver or Houston or Merritt Island
RemoteFull Time
Airbus U.S. Space & Defense
Airbus U.S. Space & DefenseEuronext Paris: AIR: Provides satellite, helicopter, and cybersecurity solutions for U.S. defense.
15+ YOEBachelor's in STEM (Masters preferred). 15 years' experience with BS (12 with MS) in aerospace software systems, MBSE and requirements management (DOORS), ability to obtain government security clearance, US citizenship required.
Model Based Systems Engineering (MBSE), DOORS
1d
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Principal Software Engineer, Endpoint AI Security
Spring, Texas, United States
$147k-$231k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Manufacturer of personal computers, printers, and imaging devices.
10+ YOE10+ years software engineering experience, BS/MS in CS or related, strong C++ and Linux skills, experience with cloud, CI/CD, containerization, endpoint security and AI security concepts.
C++, Python, C#, Java, JavaScript, TypeScript, Azure, AWS, CI/CD, Docker, Kubernetes, Go, Rust, Django, .NET MAUI, React, Next.js, Vue, TPM, Secure Boot
1d
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Principal Software Engineer, Endpoint AI Security
Spring or Houston
$147k-$231k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.
10+ YOE10+ years software engineering experience, degree in CS or related field, strong C++ and Linux expertise, experience with cloud, CI/CD, containerization, endpoint security and AI security concepts.
C++, Python, C#, Java, JavaScript, TypeScript, Azure, AWS, Docker, Kubernetes, CI/CD, Linux, Go, Rust, Django, .NET MAUI, React, Next.js, Vue, TPM, Secure Boot, EDR, XDR, MITRE ATLAS, NIST AI RMF, OWASP GenAI
1d
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Principal Software Engineer, Endpoint AI Security
Spring, Texas, United States
$147k-$231k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Manufactures personal computers, printers, and 3D printing hardware.
10+ YOEBachelor\u0002s degree in CS or related,10+ years software engineering experience,expertise in C++,Linux,distributed systems,secure design,cloud and DevOps,AI security knowledge and leadership skills.
C++, Python, C#, Java, JavaScript, TypeScript, Azure, AWS, Docker, Kubernetes, CI/CD, EDR, XDR, Go, Rust, Django, .NET MAUI, React, Next.js, Vue, TPM, Secure Boot, NIST AI RMF, MITRE ATLAS, OWASP GenAI
3w
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Senior Principal - Software Engineering (Austin or Houston or Dallas)
Austin or Dallas or Houston
$193k-$236k/yr HybridFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
Experience leading software engineering teams and setting technical direction for large cloud-native, full-stack projects; expertise with modern frameworks, cloud platforms, Agile delivery, and Generative AI; strong communication and client-facing skills.
Generative AI, React, Angular, Vue, Node, TypeScript, Java, .NET, AWS, Azure, GCP
3mo
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Principal Innovation Engineer
Minnetonka or Austin or Chicago or Dallas or Detroit or Atlanta or Houston or Akron or Birmingham or Charlotte or Indianapolis or Pittsburgh or Cincinnati or Cleveland
$102k-$208k/yr OnsiteFull Time
Huntington
HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.
10+ YOEBachelor’s degree in Computer Science or related field; 10+ years in software engineering and architecture; hands-on end-to-end development; experience with AI-enabled applications and API/integration patterns; ability to lead complex initiatives in fast-paced environment.
Java, Python, TypeScript, JavaScript, React, Next.js, APIs, Workflow automation, Cloud platforms, Vertex AI, Gemini
2mo
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Principal Structural Engineer - Dynamic Design Analysis
Houston, Texas, United States
RemoteFull Time
Zachry Group
Zachry Group: Provides engineering, construction, and maintenance for industrial facilities.
15+ YOEBachelor’s degree in Civil/Structural Engineering; 15+ years in Power/Industrial; PE required; SE preferred; software: AutoCAD, STAADPro, RISA, Enercalc; Navisworks familiarity; large project experience; strong communication; US work authorization.
AutoCAD, STAADPro, RISA, Enercalc, Navisworks
2mo
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Principal Water Engineer (Denver, CO, US)
Denver or Lenexa or Lone Tree or Houston or Dallas or Fort Worth
$160k-$230k/yr HybridFull Time
Kiewit
Kiewit: Provides large-scale construction and engineering services for diverse infrastructure.
15+ YOESenior-level water treatment process design leader with 15+ years in municipal/industrial water; PE preferred; travel up to 50%; proficient in process modeling software.
AFT Fathom, AFT Arrow, Biowin, GPS-X, HYSYS, Aspen Plus, WatPro, AqMB, SIMBA
1mo
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Principal Piping Engineer
Houston or Texas or Louisiana or Iowa or Australia
OnsiteFull Time
Worley
WorleyASX: WOR: Provides engineering and project delivery services for energy and resources.
BS in mechanical or related field, piping engineering and EPC experience, knowledge of ASME B31/B16 and piping deliverables, strong specification and communication skills, competency with Microsoft Office and engineering software; PE licensure in a U.S. jurisdiction preferred.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Teams, AutoCAD, Hexagon SmartPlant P&ID, Hexagon SmartPlant Materials, Hexagon SmartPlant Reference Data, AVEVA
3w
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Principal AI Developer
Houston, Texas, United States
OnsiteFull Time
Energy Transfer
Energy TransferNYSE: ET: Operates energy infrastructure including pipelines, storage, and terminals.
10+ YOEBachelor's or equivalent, 10+ years experience for Principal level; hands-on production experience with Python or .NET, Azure/cloud architecture, RAG pipelines, AI agents, Databricks/SQL, and strong communication and critical-thinking skills.
Python, .NET, Azure, Databricks, Azure OpenAI, Azure AI Foundry, Azure AI Search, Microsoft Copilot Studio, Semantic Kernel, Vector Databases, RAG, Semantic Search, Agentic AI, MCP, SQL, AWS, GCP
2w
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Principal Software Developer (Hands-On Web Development Exp w/ C# & .NET
Houston, Texas, United States
OnsiteFull Time
AspenTech
AspenTech: Provides industrial software for asset optimization and process simulation.
10+ YOEBachelor's in computer science or related,10+ years experience,proven full‑lifecycle web app development with C#/.NET and ASP.NET family,knowledge of security and SQL,strong communication and problem solving.
C#, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, ASP.NET Web Forms, Classic ASP, SQL, Angular, React, DevExpress, JavaScript, TypeScript, C++
1mo
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Principal Design Engineer - Nuclear Structural
Houston, Texas, United States
$139k-$258k/yr RemoteFull Time
Fluor Corporation
Fluor CorporationNYSE: FLR: Provides global engineering, procurement, construction, and project management services.
16+ YOEAccredited 4-year engineering degree and 16 years' related experience; professional registration preferred; advanced knowledge of discipline codes, estimating, scheduling, calculations, and intermediate office software skills.
2w
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Principal Overhead Transmission Line Engineer
New York or Los Angeles or Chicago or Dallas or Houston or Philadelphia or Charlotte or Boston or Denver
$156k-$204k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
15+ YOELicensed PE, 15+ years overhead transmission line design experience, advanced knowledge of NESC/RUS/ASCE, proficiency with PLS tools and foundation software, client-facing and mentoring experience.
PLS-CADD, PLS-Pole, PLS-Tower, MFAD, LPile, Microsoft Excel, AutoCAD
2mo
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Principal Member of Technical Staff, Agent Workflow Systems and Evaluation
San Carlos or San Diego or Houston
$160k-$190k/yr HybridFull Time
SB Energy
SB Energy: Develops, builds, and operates utility-scale renewable energy infrastructure.
5+ YOEEnterprise integrations, APIs, automation; strong software engineering; Azure, Python, TypeScript; 5-8 years; degree requirements.
Azure, Python, TypeScript, REST, GraphQL, OAuth, CI/CD, RBAC, Service Accounts