Weekend Full Stack Developer Node Js Jobs in Wisconsin

## Senior Software Engineer/DeveloperApplylocations: Westlake, TXtime type: Full timeposted on: Posted Todaytime left to apply: End Date: September 8, 2026 (30+ days left to apply)job requisition id: 2133108## ## Job Description:**Note: Fidelity will not provide immigration sponsorship for this position.****Position Description**:Designs and develops scalable, high-complexity applications using Java/Spring and Node.js. Builds cloud-native microservices and serverless solutions on AWS, applying services and best practices across EC2, ECS, Lambda, DynamoDB, and CloudFormation, as well as Infrastructure-as-Code automation using Terraform. Develops modern front-end applications with Angular, TypeScript, and Module Federation–based micro-frontends. Delivers secure REST/SOAP APIs and ensures strong data reliability across Oracle, PostgreSQL, and Cockroach DB (CRDB). Drives DevOps excellence by automating and deploying code through Continuous Improvement/Continuous Development (CI/CD) pipelines in Jenkins, enforcing quality gates, and implementing end-to-end monitoring and alerting. Collaborates with stakeholders and upholds engineering excellence across the software development lifecycle. Provides business solutions by developing complex or multiple software applications.**Primary Responsibilities:*** Participates in end-to-end design, development, testing, and deployment of high-complexity applications and services, adhering to engineering best practices and organizational standards.* Builds and maintains robust front-end apps and scalable backend services ensuring cohesive solution delivery.* Implements micro-frontend architectures, establishing shared libraries, versioning strategy, runtime integration, and cross-app UX consistency.* Supports and performs all phases of testing leading to implementation.* Contributes to multi-environment deployments, promotes versioning standards, and ensures smooth promotion of releases via automated workflows.* Assists in the planning and conducting of user acceptance testing.* Implements secure coding practices, and monitors secrets/configuration across environments.* Responsible for post-installation testing of any problems.* Designs, maintains, and optimizes CI/CD pipelines to automate build, test, security scans, and deployment workflows across multiple environments.* Works on complex assignments and often multiple phases of a project.* Streamlines development, collaboration, and release cycles.**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 Software Engineer/Developer (or closely related occupation) developing high-performance trading and order management applications using Angular, Node.js, and micro-frontend architecture.Or, alternatively, a 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 Software Engineer/Developer (or closely related occupation) developing high-performance trading and order management applications using Angular, Node.js, and micro-frontend architecture.**Skills and Knowledge**:Candidate must also possess:* Demonstrated Expertise (“DE”) designing, developing, and testing Java and J2EE applications and Webservices (SOAP and RESTful); performing Object-oriented design, using MVC and Microservices design patterns -- Spring Boot framework, IDE toolset (Eclipse, VSCODE, or Spring Tool Suite (STS)), GitHub repositories source control, and Maven dependency manager; and performing CI/CD on Unix and Linux Virtual Machines using Jenkins.* DE designing and developing highly scalable Single Page Applications (SPA) with cross-browser compatibility and accessibility using standards-compliant client-side technologies -- Angular, Node,js, TypeScript, JQuery, and Module–based micro frontends.* DE designing and developing web applications using Java, Spring MVC, Spring Core, Spring Boot, Angular, and Node.js; and building cloud-native microservices and supporting server-side components using REST APIs and back-end SQL Stored Procedure components.* DE designing and delivering software features and functionality using Java, Spring, GIT, REST, and Angular; and developing multi-tier internet-facing web applications with TypeScript, Node.js, HTML5 and CSS.#PE1M2#LI-DNIFidelity’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. #J-18808-Ljbffr