Nest Js Developer Jobs in Texas (NOW HIRING)

Note: Fidelity will not provide immigration sponsorship for this position.

Position Description:

Designs andmaintainsworld-class, business-critical products byleveragingAngular, Nest.js, Amazon Web Services (AWS), and Cypress to deliver solutions to complex technical challenges. Creates high-impact initiatives and works closely with other developers to implement system changes in a constantly evolving agile environment, using GitHub. Performs back-end services development using Application Programing Interface (API) design and development andmicroservicesarchitecture (Java, REST, Node.js, and Swagger). Troubleshoots and works on production issues utilizing Splunk and Datadog. Builds and deploys applications using Continuous Integration/Deployment (CI/CD) using Jenkins, Artifactory,uDeploy, and GitHub. Supports the development, testing, and deployment of modern, feature-rich software toassistexternal users. Provides business solutions by developing complex or multiple software applications.

Primary Responsibilities:

• Develops user-facing applications using modern JavaScript frameworks Angular, TypeScript, and Node.js.

• Conducts end-to-end application testing using automatedtoolSelenium, Cucumber, Cypress, and Playwright, covering unit, integration, and functional tests.

• Implements Test Driven Development (TDD) and unit testing, using frameworks, Jest, and Jasmine.

• Deploys and monitors applications in the cloud.

• Performs all phases ofSoftwareDevelopment Life Cycle (SDLC) within an Agile software delivery environment.

• Conferswith systems analysts, engineers, programmers, and others to design systems and obtain information on project limitations and capabilities, performance requirements, and interfaces.

• Develops web applicationsutilizingthe latest technologies and frameworks.

• Implements micro services architecture to build and deploy highly automated, scalable, and maintainable infrastructure.

Education and Experience:

Bachelor'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 Senior Front-End Developer (or closely related occupation) developing and deploying Cloud platform applications for Cloud infrastructures (AWS or Azure) using container technologies in a financial services domain.

Or, alternatively,Master's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and one (1) year of experience as a Senior Front-End Developer (or closely related occupation) developing and deploying Cloud platform applications for Cloud infrastructures (AWS or Azure) using container technologies in a financial services domain.

Skills and Knowledge:

Candidate must alsopossess:

• Demonstrated Expertise ("DE")building andmaintainingscalable, high-performance User Interfaces (UIs), using Angular and TypeScript; and building reusablecomponentlibraries,maintainingapplication state withNgRx, andoptimizingperformance across devices, using ChromeDevToolsand Splunk.

• DEintegrating Angular front-end technologies with RESTful APIs built in Nest.js to enable seamless data flow for user authentication, transaction processing, and dashboard analytics; developing shared data models (Data Transfer Objects (DTOs) and interfaces) to ensure consistency between front-end and back-end layers; and executing API lifecycles using Angular services and interceptors to maintain tokens, handle errors, apply retry logic, and support logging.

• DEdesigning scalable back-end systems using Nest.js or Java to support modular, maintainable services for enterprise applications; integrating front-end applications with secure RESTful APIs built in Nest.js and Node.js secure RESTful APIs for applicant data; and implementing enterprise-grade authentication using JWT,OAuth2, and Role-Based Access Control (RBAC) via custom guards and decorators.

• DEimplementing unit and integration tests with Jest by organizing mocks, spies, and test modules; integrating code coverage and automated tests into CI pipelines using Jenkins andUDeployfor gated deployments; automating end-to-end testing flows with Cypress to support CI/CD pipelines; and contributing across all phases of the SDLC -- gathering requirements, estimating, releasing, and providing post-deployment support -- while using AWS services and Jira to track project progress.

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