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Principal Application Engineer Jobs in Texas (NOW HIRING)

Vistra Energy

Principal Architect, BU

Irving, TX · Hybrid

Job Summary The Principal Application Architect will be responsible for managing Application and ... Engineers Education, Experience, & Skill Requirements 8+ years minimum; 12+ years preferred 5+ ...

Vistra Corp.

Principal Architect, BU

Irving, TX · On-site

Job Summary The Principal Application Architect will be responsible for managing Application and ... Engineers Education, Experience, & Skill Requirements • 8+ years minimum; 12+ years preferred • ...

Luminant

Principal Architect, BU

Irving, TX · Hybrid

Job Summary The Principal Application Architect will be responsible for managing Application and ... Engineers Education, Experience, & Skill Requirements 8+ years minimum; 12+ years preferred 5+ ...

Solera Corporation

Principal Engineer

Westlake, TX · On-site

$120 - $160/hr

Principal Engineer / Westlake We are seeking an exceptional Principal Engineer to lead the design ... Knowledge of application servers. * Expertise in writing optimized and scalable database queries.

Vistra Corp

Principal Architect, BU

Irving, TX · On-site

Job Summary The Principal Application Architect will be responsible for managing Application and ... Engineers Education, Experience, & Skill Requirements 8+ years minimum; 12+ years preferred 5+ ...

TXU Energy

Principal Architect, BU

Irving, TX · Hybrid

Job Summary The Principal Application Architect will be responsible for managing Application and ... Engineers Education, Experience, & Skill Requirements 8+ years minimum; 12+ years preferred 5+ ...

Frost Bank

Principal Engineer

San Antonio, TX · On-site

As a Principal Engineer at Frost, you are a subject matter expert. You will lead changes in ... improve application security * Strong understanding of commonly used concepts, practices, and ...

Dell

Senior Principal AI Engineer

Austin, TX

$124K - $171K/yr

Senior Principal AI Agent EngineerThe Software Engineering team delivers next-generation software application enhancements and new products for a changing world. Working at the cutting edge, we ...

ANS

Principal Engineer- Civil

Austin, TX · On-site

$147K - $189K/yr

As Principal Engineer - Civil, you will be the strategic and technical leader driving the success ... Developing technical solutions for a wide range of projects through the application of engineering ...

ANS

Principal Engineer- Civil

Austin, TX · On-site

$147K - $189K/yr

As Principal Engineer - Civil, you will be the strategic and technical leader driving the success ... Developing technical solutions for a wide range of projects through the application of engineering ...

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Showing results 41-60

All JobsPrincipal Application Engineer JobsPrincipal Application Engineer Jobs in Texas

Principal Application Engineer information

See Texas salary details

$47K

$103.1K

$141.6K

How much do principal application engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for principal application engineer in Texas is $103,133.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,300.00 and $125,800.00 per year, depending on experience, location, and employer.

What is the difference between Principal Application Engineer vs Application Engineer?

AspectPrincipal Application EngineerApplication Engineer
CredentialsBachelor's or Master's in Engineering, often with specialized certificationsBachelor's degree in Engineering or related field
Work EnvironmentLead technical projects, mentor teams, and develop strategic solutionsImplement and support applications, troubleshoot issues, and assist clients
Industry UsageUsed in tech, manufacturing, and software companies for senior technical rolesCommon in software, hardware, and engineering firms for entry to mid-level roles

The Principal Application Engineer typically holds a senior, strategic role with leadership responsibilities, while the Application Engineer focuses on technical support and implementation. Both roles require strong engineering credentials, but the Principal position involves more oversight and project management.

What does a principal application engineer do?

A principal application engineer leads the design, development, and implementation of complex software applications, often providing technical guidance to teams. They analyze customer requirements, develop solutions, and ensure the performance and scalability of applications, typically using programming languages and development tools. This role requires strong technical expertise, problem-solving skills, and often involves mentoring junior engineers.
What are popular job titles related to Principal Application Engineer jobs in Texas? For Principal Application Engineer jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Principal Application Engineer jobs in Texas look for? The top searched job categories for Principal Application Engineer jobs in Texas are:
What cities in Texas are hiring for Principal Application Engineer jobs? Cities in Texas with the most Principal Application Engineer job openings:
Principal Application Engineer jobs near you
Infographic showing various Principal Application Engineer job openings in Texas as of August 2026, with employment types broken down into 89% Full Time, and 11% Contract. Highlights an 83% In-person, and 17% Remote job distribution, with an average salary of $103,133 per year, or $49.6 per hour.

Principal Software Engineer/Developer

Fidelity Investments

Westlake, TX • On-site

Full-time

Re-posted 6 days ago

Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 271 frontline employees who took The Breakroom Quiz

15th of 150 rated financial services

Job description


Note: Fidelity will not provide immigration sponsorship for this position.
Position Description:
Develops Cloud data storage and access using Snowflake/S3. Develops and implements Amazon Web Services (AWS) services (EMR, EC2, and Cloud formation), ETL tools and data warehouse concepts. Programs software applications and databases using Python, RDBMS, SQL, and PL/SQL. Architects, develops, and maintains high quality data platforms. Builds solutions using Python. Uses business knowledge to translate the vision for divisional initiatives into business solutions by developing complex or multiple software applications and conducting studies of alternatives. Analyzes and recommends changes in project development policies, procedures, standards, and strategies to development experts and management.
Primary Responsibilities:
  • Participates in architecture design teams.
  • Defines and implements application-level architecture.
  • Develops applications on complex projects, components, and subsystems for the division.
  • Recommends development testing tools and methodologies and reviews and validates test plans.
  • Responsible for QA readiness of software deliverables.
  • Develops comprehensive documentation for multiple applications or subsystems.
  • Establishes full project life cycle plans for complex projects across multiple platforms.
  • Responsible for meeting project goals on-time and on-budget.
  • Advises on risk assessment and risk management strategies for projects.
  • Plans and coordinates project schedules and assignments for multiple projects.
  • Acts as a primary liaison for business units to resolve various project/technology issues.
  • Provides technology solutions to daily issues and technical evaluation estimates on technology initiatives.
  • Advises senior management on technical strategy.
  • Mentors junior team members.
  • Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.
  • Develops original and creative technical solutions to on-going development efforts.

Education and Experience:
Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Software Engineer/Developer (or closely related occupation) designing, developing, and supporting complex web applications with RESTful services in cloud (AWS or Azure) and on-premise environments, using Java, JavaScript, and Spring.
Or, alternatively, Master's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Software Engineer/Developer (or closely related occupation) designing, developing, and supporting complex web applications with RESTful services in cloud (AWS or Azure) and on-premise environments, using Java, JavaScript, and Spring.
Skills and Knowledge:
Candidate must also possess:
  • Demonstrated Expertise ("DE") performing Object-Oriented Design (OOD) and developing middle-tier multi-threaded applications using web services technologies (RESTful Web services), Java, Spring Boot, and Oracle SQL; and performing Application Programming Interface (API) design using Swagger following microservices design patterns.
  • DE designing, developing, and maintaining internal and customer facing web applications and services using HTML, JavaScript, and IntelliJ; implementing complex User Interface (UI) design and responsive web design using modern web application development; and designing wireframes to illustrate the solutions for web applications using Figma.
  • DE designing and developing web applications on AWS platform using Amazon Simple Storage Service (S3) and Elastic Compute Services (EC2); and creating AWS Lambda functions using Java or Python.
  • DE deploying and providing technical support to web applications using DevOps CI tools -- Jenkins, Maven, GIT, Apache Tomcat, and IDE toolset (IntelliJ); performing configuration management using GIT stash; performing Test-Driven Development (TDD) using JUnit; and validating code quality and application security using Sonar.

#PE1M2
#LI-DNI
Fidelity's Onsite Working Model
Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.
Certifications:
Category:
Information Technology
Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

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