4 Staffing Corp

Senior Full-Stack Engineer (Director)

4 Staffing Corp  •  Newark, NJ (Hybrid)  •  2 days ago
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Job Description

Director-Level Full Stack Engineer (React / Node.js)

Location: Remote or Hybrid (U.S.)
Employment Type: Full-Time
Industry: Financial Services / Investment Technology

US Citizen/Green Card holders only

Our client, a leading global investment technology organization, is seeking a Director-Level Full Stack Software Engineer to join a highly visible team responsible for building next-generation applications that support complex investment, analytics, and portfolio workflows. This role is ideal for an engineer who thrives in an Agile environment, enjoys architecting scalable solutions, and is passionate about delivering exceptional user experiences.

What You'll Do

  • Design, develop, and enhance custom UI components and full-stack features aligned with project requirements
  • Work within modern AWS-based development environments, including CLI and sandbox/local setups
  • Build high-quality front-end applications using React, TypeScript, and modern design systems
  • Collaborate with Tech Leads, Product Owners, and Business Analysts to transform business needs into scalable, production-ready applications
  • Balance multiple initiatives and workstreams in a fast-paced environment
  • Research emerging technologies, build proofs of concept, and help guide architectural decisions
  • Deliver intuitive and elegant user interfaces using Material Design & MUI

  • Participate in the creation of personas, user scenarios, wireframes, prototypes, and high-fidelity UI mockups
  • Ensure solutions meet business goals through user testing, performance validation, and continuous improvement

Requirements:

  • 10+ years of full-stack development experience, ideally within high-scale or data-intensive environments
  • Expert-level proficiency with React/Next.js, Node.js, TypeScript, and TurboRepo
  • Experience with GraphQL, REST APIs, and microservices

  • Strong command of HTML, CSS, JavaScript, CSS Modules, Storybook, and modern component libraries (e.g., Radix UI)
  • Hands-on experience with SQL/NoSQL databases (PostgreSQL, Graph DB, etc.)
  • Strong experience with Docker and deploying applications in AWS cloud environments
  • Solid understanding of UI/UX design principles and ability to collaborate with design teams
  • Proficiency with Git and enterprise version control workflows

  • Experience implementing token-based authentication and modern security patterns
  • Background in building scalable, high-availability applications

  • Experience writing unit, integration, and end-to-end tests across the full stack
  • Familiarity with automated testing frameworks such as Cypress, Test containers, and Vitest

Preferred:

  • Experience with Figma, ReactFlow, Redux, Jotai, and advanced design systems
  • Background in decomposing monoliths into microservices

  • Knowledge of authentication mechanisms and security best practices

  • Familiarity with Jira, Confluence, Bitbucket, Jenkins, and enterprise DevOps pipelines
  • Experience working within the SAFe Agile methodology

  • Bachelors degree in Computer Science, Engineering, Finance, Economics, or a related field
  • Experience using AI-assisted development workflows, including generating components from design systems

Highly Preferred:

  • React/Redux, TypeScript, Node.js, D3

  • PNPM, SASS/CSS3, HTML5, JSX, ES6

  • Jest/Vitest, Cypress, Testcontainers

  • NGiNx and AWS cloud services

  • Strong grounding in React fundamentals (components, hooks, lifecycle)

  • Understanding of authentication, authorization, SSL, and other modern security concepts

Who Thrives Here

This role suits someone who:

  • Enjoys solving complex technical and data challenges

  • Thrives in a collaborative, fast-paced Agile environment

  • Boldly adopts new technologies and champions engineering excellence

  • Is passionate about building beautiful, intuitive applications that

    user love

If you're an accomplished full-stack engineer looking for an opportunity to influence architecture, shape user experiences, and build high-impact applications in the financial domain, wed love to connect.

4 Staffing Corp

About 4 Staffing Corp

What truly sets 4 Staffing apart is our approach to what we do. Our goal is not simply to fill your role or find you a job, but to build lasting relationships that can grow your business, your career and our network of very satisfied customers.

Our clients include all the leading names in our specialist industries, and we have a worldwide network of contacts that has been built up over more than 20 years of recruiting. We can give you instant access to roles across a broad range of industries and on project sites across the continental United States. Our affiliate recruitment network is broad and deep allowing us to tap into talent and networks traditional staffing agencies could never dream of.

Our Technology

Build by recruiters and IT professionals our company uses one of the most integrated and functional candidate-to-job matching systems ever developed. Our database, of tens of thousands of pre-qualified candidates, makes us the real "Monster" of the staffing world. Our proprietary software combined with our years of experience and excellent customer service guarantees your satisfaction.

Integrity

Every decision made is done in the best interest of our clients and candidates. It is our priority to cultivate and maintain mutually respectful relationships. Without being influenced by short-term gain, we hold ourselves accountable for creating long-term value.

Passion

It’s the heart and soul of what we do and is evident in the way our people approach their work. It fuels our commitment to listen and provide the best experience to our diverse group of clients and candidates.

Open Communication

Without it, ideas get lost, or worse, misinterpreted. We at 4 Staffing foster an entrepreneurial environment that embraces ideas and feedback from all of our consultants, clients and candidates.

If you're not 100% satisfied with our service we want to know about. Contact Us and a quality assurance representative will contact you.

Thanks -Management

Industry
HR & Recruiting
Company Size
1-10 employees
Headquarters
Wilmington, Delaware
Year Founded
2005
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