Senior Frontend Engineer: Angular Banking Apps

Quantum Technologies LLC; Weehawken (NJ); On-site; USD 82,000 - 117,000; Full time

Job summary

Quantum Technologies LLC in Weehawken, NJ seeks a Senior Frontend Engineer to design, develop, and maintain enterprise-scale digital banking frontends. The role centers on Angular-based development with exposure to ReactJS within a regulated banking environment.

You will own features from development through production support, collaborate with Product, UX, QA, Security, and Platform teams, and contribute to code reviews while mentoring junior engineers.

Qualifications

• 5+ years of frontend development experience in enterprise environments.
• Strong experience with Angular, including AngularJS and modern Angular.
• Proficiency in HTML5, CSS3, Bootstrap, and Flexbox.
• Experience integrating frontend apps with REST APIs.
• Knowledge of Node.js, npm, and nvm.
• Experience with modular or micro-frontend architectures and shared UI libraries.
• Familiarity with build tools such as Webpack, Gulp, Grunt, Vite, Rollup, or Parcel.
• Experience with Jasmine or Karma testing frameworks.
• Proficient with Git and Agile development practices.
• Experience in financial services or regulated environments.

Responsibilities

• Design, develop, and maintain Angular-based SPAs for digital banking.
• Modernize frontend apps while preserving backward compatibility and stability.
• Implement role- and entitlement-driven UIs with gating and access control.
• Integrate with REST APIs and backend services using JSON contracts.
• Collaborate with backend teams to align API contracts and data models.
• Leverage Node.js for frontend-adjacent tasks and BFF functionality.
• Create and maintain unit tests with Jasmine or Karma.
• Troubleshoot defects and support production performance improvements.
• Support release activities including build, validation, and QA coordination.
• Participate in Agile ceremonies with Product, UX, QA, Security, and Platform.
• Conduct code reviews and mentor junior engineers.
• Ensure frontend security considerations and compliant practices.

Skills

Angular

Frontend architecture

HTML5

CSS3

REST APIs

Node.js

NPM

NVM

Micro-frontend

Webpack

Jasmine/Karma

Git

Agile

Tools

Webpack

Gulp

Grunt

Vite

Rollup

Parcel

Jasmine

Karma

NPM

NVM

Git

Job description

Quantum Technologies LLC in Weehawken, NJ seeks a Senior Frontend Engineer to design, develop, and maintain enterprise-scale digital banking frontends. The role centers on Angular-based development with exposure to ReactJS within a regulated banking environment.

You will own features from development through production support, collaborate with Product, UX, QA, Security, and Platform teams, and contribute to code reviews while mentoring junior engineers.