Principal Software Engineer/Developer

Posted:
12/9/2025, 4:00:00 PM

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

Experience Level(s):
Expert or higher ⋅ Senior

Field(s):
DevOps & Infrastructure ⋅ Software Engineering

Workplace Type:
On-site

Job Description:

Position Description: 

 

Design and develop software applications using REST Application, Java and Spring Boot, AWS Batch, Kafka and Oracle. Delivers performant and secure software applications with high-throughput and low-latency using Cloud environments -- Amazon Web Services (AWS) and Elastic Kubernetes Service (EKS). Creates highly automated, scalable, and maintainable technical infrastructure using relational databases -- Oracle with PL/SQL and Kafka. Builds automation pipelines using DevOps concepts and Continuous Integration and Continuous Delivery (CI/CD) tools -- GitHub, Jenkins, uDeploy and Terraform. Implements process improvements within Software Development Lifecycle (SDLC) environments -- Agile. Uses financial domain 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. Designs and builds various dashboards and alerts using Datadog for production stability and monitoring. 

 

Primary Responsibilities: 

 

  • Participates in architecture design  

  • Defines and implements application-level architecture. 

  • Develops applications on complex projects, components, and subsystems for the division. 

  • Responsible for Performance, production 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 (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a closely related field and five (5) years of experience as a Principal Software Engineer/Developer (or closely related occupation) designing and developing Java micro services and event driven development using Java 8+, Spring Framework, AWS Services, Kafka, or PL/SQL.   

 

Or, alternatively, Master’s degree (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, Mathematics, Physics, or a closely related field and three (3) years of experience as a Principal Software Engineer/Developer (or closely related occupation) designing and  developing Java micro services and event driven development using Java 8+, Spring Framework, AWS  Services, Kafka, or PL/SQL. 

 

Skills and Knowledge: 

 

Candidate must also possess: 

 

  • Demonstrated Expertise (“DE”) designing and building enterprise applications in the Brokerage Domain using REST APIs; and adapting Spring boot micro-service architecture within large-scale services systems with Agile methodologies using Java 8+ and J2EE technologies including Spring, Maven, AWS, Kubernetes, or Docker. 

 

  • DE designing and deploying Amazon Web Services (AWS) including S3, Lambda, Step Functions, and Simple Notification Service (SNS) within the brokerage domain; and developing scalable and highly resilient AWS batch processes to load, process, and distribute over 500 million records of trade data using Spring Batch and AWS. 

  • DE designing and developing real time applications using event-driven architecture with Spring Boot and Kafka frameworks; processing millions of messages and trading data generated through the financial systems using Kafka; testing applications in the finance domain, using Mockito framework, Postman, and Cucumber Integration tests; and implementing message search features using Apache SOLR, Apache Nifi, or Zookeeper. 

  • DE building, deploying, and supporting financial service applications using GIT, Jenkins, DevOps, uDeploy, and Terraform; tracking source code version control using GIT; and automating the Continuous Integration (CI) process -- building, deploying, and testing services -- using Cloud Formation Templates, Jenkins, DevOps, or uDeploy. 

#PE1M2 

#LI-DNI 

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