Principal Software Engineer/Developer

Fidelity Investments Inc.; Texas; On-site; USD 140,000 - 190,000; Full time

Job summary

Fidelity Investments Inc. is seeking a Principal Software Engineer/Developer in Westlake, TX to design and implement Java Spring Boot applications and microservices on AWS.

The role emphasizes building scalable services using EKS, RDS, Lambda, and CI/CD pipelines with Jenkins and GitHub, while guiding architecture decisions across projects. Ideal candidates have 5+ years in a principal role and strong experience with OO design, RESTful services, and cloud infrastructure.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, IT or related field with professional software development experience.
• 5+ years as a Principal Software Engineer/Developer developing in an enterprise environment with AWS cloud technologies.

Responsibilities

• Participate in architecture design teams and define application-level architecture.
• Develop complex applications and microservices across platforms.
• Ensure QA readiness and create comprehensive documentation for multiple apps.
• Establish SDLC/SCM practices and GitHub branching strategies.
• Advise on risk management and project scheduling; mentor junior engineers.

Skills

OOD Design

Java Web

RESTful APIs

Microservices

Requirements gathering

Cloud AWS

Education

Bachelor's degree in CS/Engineering/ IT

Master's degree in CS/Engineering/ IT

Tools

AWS

Spring MVC

Jenkins

GitHub

Docker

Kubernetes

Oracle

RDS

Job description

Principal Software Engineer/Developer### Principal Software Engineer/DeveloperApply: Westlake, TX: Full time: Posted Today: End Date: December 1, 2026 (30+ days left to apply): 2137022**Fidelity will not provide immigration sponsorship for this position.**## ## Job Description:**Position Description**: Develops software utilizing relational databases -- SQL, Oracle, RDBMS, and NoSQL databases (MongoDB, DynamoDB, and Cassandra). Designs, develops, and implements Java Spring Boot and microservices frameworks. Builds and deploys Amazon Web Services (AWS) native services technologies, practices, and applications, using services -- Elastic Kubernetes Service (EKS), AWS Batch, StepFunction, Lambda Function, IAM, S3, AWS Bedrock, SNS, and Relational Database Service (RDS). Containerizes applications using Docker and Kubernetes. 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.* Establish GitHub branching strategies and SDLC/SCM best practices* 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) developing, maintaining, and performing software application development in an enterprise development environment, using modern AWS cloud technologies and concept. 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) developing, maintaining, and performing software application development in an enterprise development environment, using modern AWS cloud technologies and concept. **Skills and Knowledge**: Candidate must also possess: * Demonstrated Expertise performing Object-Oriented Design (OOD) and Java Web application development, using Java/J2EE, Spring MVC, Spring Security, Soap, and RESTful Web services; and building and maintaining microservices oriented web applications in a business to business (B2B) environment that spans multiple systems and applications in a financial services, banking or insurance domain.* Demonstrated Expertise gathering requirements and translating them into systems specifications and designs, using enterprise-wide web services, API solutions, microservices, and REST design principles; and performing configuration for enterprise class applications following business rules using Oracle configuration table and configuration server.* Demonstrated Expertise provisioning Cloud infrastructure components -- AWS Batch, Elastic Container Service (ECS), EKS, RDS, and Elastic Load Balancer setup -- for data analysis, reporting, and consumption on Cloud, using AWS, AWS Lambda server-less computing, Cloud formation, and Continuous Integration and Continuous Delivery/Continuous Deployment (CI/CD) tools (Jenkins and GitHub).* Demonstrated Expertise performing Aerospike caching to improve real-time compliance and performance, using Oracle; and designing and developing real-time ingestion pipes into Oracle, StepFunction, and AWS Batch.#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 TechnologyPlease 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.