Principal Software Engineer/Developer

Posted:
1/27/2026, 2:08:45 PM

Location(s):
Texas, United States ⋅ Westlake, Texas, United States

Experience Level(s):
Expert or higher ⋅ Senior

Field(s):
DevOps & Infrastructure ⋅ Software Engineering

Workplace Type:
On-site

Job Description:

Position Description:

Tests and supports all automation tools used by squads with segments of Continuous Integration and Continuous Delivery (CI/CD). Develops and enhances mvnSelenium, npmTestingTools, testOrchestrator, DelphixAPlClient and ReadyAPl, gradleTestinTools, pythonTestingTools, Icedq and jMeter segments to allow different automations tools to be integrated into CD pipeline. Supports Serenity, Selenium, Cucumber, REST Assured, SeeTest, Jagacy, Karate Maven, Karate Gradle, Mockito, ReadyAPl, JMeter, PyTest, MOX, Jasmine, Rush Hour, Locust, Mocha, Jest, PG Admin, Cypress, Protractor, Behave, Junit, Puppeteer, iCEDQ Karma, and Playwright automation tools. Creates smoke/Test Suite jobs for all automation tools to test segment features. Writes Jenkins files to implement test suite jobs for multiple segments. 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 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) performing account creation, management, multi-order trading, and transaction tracking within a brokerage or financial services environment.

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) performing account creation, management, multi-order trading, and transaction tracking within a brokerage or financial services environment.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise (“DE”) designing and implementing segments for Serenity, RestAssured, Jagacy, Mockito, and Karate automation tools to be integrated into the CI/CD pipeline, using Terraform, Infrastructure as Code (IaC) and Kubernetes (for container orchestration) and Groovy (to support business operations and automate the deployment process in Cloud).
  • DE creating and developing custom containers (to build from docker image),using dockerfile that is written in GO language; deploying to a central repository (jfrog artifactory) and promoting it to the production environment in Cloud to support business operations; facilitating migration and deployment of applications to the Cloud, to create required infrastructure for applications to run, using Bring Your Own Container (BYOC).
  • DE collaborating with Quality Assurance (QA) and enterprise level platform automation teams to automate CI/CD pipelines, ensuring quality software delivery for Cypress, Jasmine, Jest, Playwright, and Webdriver.io automation tools into Jenkinscore pipelines.
  • DE developing software engineering solutions using Agile methodologies; and providing production support and incident management, to resolve critical issues in production and highly available environments, using ServiceNow.

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Certifications:

Category:

Information Technology

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.

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.

Fidelity Investments

Website: https://www.fidelity.com/

Headquarter Location: Boston, Massachusetts, United States

Employee Count: 10001+

Year Founded: 1946

IPO Status: Private

Last Funding Type: Secondary Market

Industries: Asset Management ⋅ Finance ⋅ Financial Services ⋅ Retirement ⋅ Wealth Management