Fullstack Frontend Engineer

Staffingine LLC
Boston, MA

Job Title: Fullstack Frontend Engineer
Job Location: Hartford CT


Job Type: Contract

Job Description:

  • Develop and maintain React and Angular components for retirement account dashboards contribution workflows and investment portfolio interfaces

  • Implement responsive accessible user interfaces following WCAG 21 AA standards ensuring usability for all customers

  • Build reusable UI components and integrate them into design systems for consistency across applications

  • Implement state management solutions using Redux Zustand or React Context for applicationwide data handling

  • Integrate APIs using Axios React Query SWR and Apollo Client for efficient data fetching and caching

  • Develop data visualization components using AgGrid Community Edition D3js Recharts and Chartjs for financial data presentation

  • Implement client side and server-side rendering patterns using Nextjs for optimal performance and SEO

  • Contribute to performance optimization efforts including code splitting lazy loading and bundle size reduction

  • Work with Nodejsbased BFF services to support frontend data aggregation and transformation needs

  • Implement Realtime features using WebSockets and Socketio for live market updates and notifications

  • Write comprehensive unit and integration tests using Jest React Testing Library and Cypress

  • Follow secure coding practices to prevent XSS CSRF and other vulnerabilities in customer facing applications

  • Implement authentication and authorization flows following OAuth2OIDC best practices

  • Collaborate with designers backend engineers and product teams to deliver compliant usercentric features

  • Participate in code reviews learning from senior engineers to improve code quality and technical skills

  • Maintain technical documentation for components and features developed

Required Skills and Experience

  • 35 years of professional frontend development experience building production web applications Exposure to web analytics implementations

  • Strong proficiency in React including Hooks Context API and component lifecycle with practical production experience

  • Working knowledge of Angular including components services RxJS and dependency injection

  • Solid TypeScript and JavaScript ES6 skills with understanding of modern language features and type safety

  • Experience with state management libraries Redux Zustand or React Context

  • Handson experience with data fetching libraries React Query SWR Axios or Apollo Client for GraphQL integration

  • Proficiency with React Router for client-side routing and navigation

  • Experience implementing data visualization using AgGrid Community Edition Recharts Chartjs or D3js

  • Exposure to Nextjs for SSRSSG implementations and understanding of rendering strategies

  • Working knowledge of modern CSS including CSSinJS CSS modules Tailwind CSS or SCSS

  • Familiarity with build tools and bundlers Webpack Vite or similar toolchains

  • Understanding of Nodejs for building simple BFF services or middleware components

  • Experience with Realtime communication using WebSockets or Socketio

  • Knowledge of web accessibility standards WCAG 21 including semantic HTML ARIA attributes and keyboard navigation

  • Understanding of frontend security best practices including XSS prevention CSRF protection and secure authentication patterns

  • Familiarity with OAuth2OIDC authentication flows and JWT token handling

  • Experience with testing frameworks Jest React Testing Library Cypress or Playwright

  • Proficiency with Git version control and collaborative development workflows

  • Understanding of responsive design MobileFirst development and cross browser compatibility

Preferred Qualifications

  • Experience in fintech banking retirement services or regulated financial environments

  • Familiarity with compliance requirements ERISA SEC and their impact on frontend development

  • Understanding of GraphQL schema design and query optimization

  • Experience with component libraries and design systems using Storybook

  • Knowledge of progressive web apps PWA and service workers

  • Exposure to CICD pipelines and automated deployment processes

  • Familiarity with frontend monitoring tools Sentry LogRocket Dynatrace RUM

  • Understanding of performance profiling using Chrome DevTools and Lighthouse

  • Technical Stack

  • Frameworks React 18 Angular 12 Nextjs 13

Posted 2025-11-25

Recommended Jobs

Building Based Educator

Academy of the Pacific Rim Charter School
Boston, MA

Building Based Educator    About APR Academy of the Pacific Rim Charter Public School (APR) is a tuition-free, public charter school offering a rigorous, college preparatory program in Grades 5-…

View Details
Posted 2025-11-21

Housekeeper

Mass General Brigham
Jamaica Plain, MA

Site: Brigham and Womens Faulkner Hospital Inc. Mass General Brigham relies on a wide range of professionals including doctors nurses business people tech experts researchers and systems analysts …

View Details
Posted 2025-11-24

Internship: Sales & Marketing - Paid, Full or Part Time

Sustainable Minds, LLC
Cambridge, MA

Internship: Sales & Marketing – Paid, Full or Part TimeDo you care about sustainability? Are you ready to spread this important message? YES? Join us for the opportunity to make a difference! W…

View Details
Posted 2025-11-27

RN Float-Middlesex

V R Della Infotech Inc
Newton, MA

ALL APPLICANTS MUST HAVE 1 year Certified Home Care experience. 1 year Case Management Experience. Ability to travel to cases as assigned. Weekend rotations are once every 6 weeks. Job Summary: As a …

View Details
Posted 2025-11-26

Controls Lead Systems Specialist

Johnson Controls
Lynnfield, MA

Build your best future with the Johnson Controls team As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, plac…

View Details
Posted 2025-11-21

Lead Software Engineer

Str
Woburn, MA

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability,…

View Details
Posted 2025-11-25

Business Development Representative

Save Energy Systems, Inc
Westborough, MA

**_About Us:_** We are a U.S.-based technology company providing affordable and scalable Energy Management Systems. Our mission is to deliver innovative solutions that optimize energy use, reduce cos…

View Details
Posted 2025-11-12

OBGYN Physician Opening - North of Boston - Sign-On Bonus

Enterprise Medical Recruiting
Massachusetts

A community hospital north of Boston is adding an OBGYN to its busy, 5-OBGYN practice. Practice ~4-day work week ~ Call 1:6 ~ Midwives/Laborists cover 6pm-8am ~ In-office ultrasound ~ A…

View Details
Posted 2025-08-06

Senior Manager, External Engagement Strategic Planning

Otsuka America Pharmaceutical Inc.
Boston, MA

The Senior Manager, External Engagement Strategic Planning will play a critical role in shaping and executing strategic initiatives that enhance the impact of Medical Affairs external stakeholder enga…

View Details
Posted 2025-11-14