Principal Software Engineer, Java API Development

skillventory - A Leading Talent Research Firm

Principal Software Engineer in Java API Development at Fidelity Investments. Leading technology for Workplace Investing, enhancing customer experience through a modern API ecosystem.

Posted 5/20/2026full-timeSmithfield • New Hampshire, Rhode Island • 🇺🇸 United StatesLeadWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDockerJavaJenkinsKubernetesMavenSpringSpring BootSpringBootUnix

About the role

Key responsibilities & impact

Lead Workplace Investing in crafting a modern, digital API ecosystem delivering better customer experiences faster
Assist in coordinating multiple development work streams through integration and ensure architecture is scalable and extensible.
Define, maintain, and support Java development environment and best practices, such as Maven, Sonar, and other Open-Source tools.
Assist in identification, isolation, resolution, and communication of problems within the production and nonproduction environment and perform troubleshooting.
Deliver API Platform capabilities using open-source Envoy, Microgateway, JWT, Key Management, External Identity Mapping, Datadog, Security and many more.
API design using SwaggerHub to Build, Collaborate and Integrate APIs.
Create API common framework.
Migration of existing APIs to Kubernetes/Azure.
Perform code reviews, unit testing, and integration testing using Open-Source frameworks.
Provide mentorship to junior team members.
Contribute to continuous process improvement initiatives.

Requirements

What you’ll need

Bachelor’s degree in computer science or engineering
8 years of development experience (currently hands on) in Java, Spring MVC / Spring boot / Web Services (REST) and configuring web containers.
Ability to make significant contributions to our technology platform
Working Knowledge of API management software such as Api Gateway IDE’s Spring Tool Suite, and Eclipse, within a UNIX and Windows environment.
Application build, deploy using Continuous Integration/ Deployment (CI/CD) tools -- Jenkins, Maven, uDeploy, etc.
Agile/Scrum methodology
Understanding and hands on knowledge of docker, cloud-computing / cloud services platforms (e.g., AWS or azure) and API Gateway
Able to clearly articulate API strategies to all partners.

Benefits

Comp & perks

Health insurance
401(k) matching
Flexible work hours
Paid time off
Professional development opportunities

ATS Keywords

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Hard Skills & Tools

JavaSpring MVCSpring BootWeb ServicesAPI designKubernetesContinuous IntegrationContinuous DeploymentDockerAPI management

Soft Skills

mentorshipcommunicationproblem-solvingcollaborationprocess improvement

Certifications

Bachelor’s degree in computer scienceBachelor’s degree in engineering