Lead Front-End Developer

Valiant Technologies LLC; New Jersey; On-site; USD 120,000 - 180,000; Full time

Job summary

VALIANT TECHNOLOGIES LLC is seeking an experienced Front-End Lead to architect and build responsive, high-performance web applications. You will own front-end decisions, translate designs into reusable components, and mentor junior developers.

Collaborate with backend teams on APIs, authentication, and deployment strategies, while applying security best practices and participating in Agile ceremonies.

Qualifications

• Experience with React.js and Angular in production.
• Strong knowledge of state management (Redux, NgRx, Zustand).
• Proficient in responsive design and CSS preprocessors.
• Solid understanding of component-based architecture and micro-frontends.
• Experience with Java Spring Boot and REST APIs.
• Familiar with authentication, authorization and caching.
• Basic experience with SQL/NoSQL and data modeling.

Responsibilities

• Lead the architecture and development of responsive, high-performance web applications.
• Own front-end technical decisions, coding standards, and best practices.
• Translate UX/UI designs into reusable, scalable front-end components.
• Review code, mentor junior developers, and enforce clean code principles.
• Collaborate with backend teams to define APIs and integration patterns.
• Develop and consume RESTful APIs (and/or GraphQL).
• Understand authentication, authorization, session management, and caching.
• Perform light backend development or debugging when needed.
• Collaborate on CI/CD pipelines and deployment strategies.
• Ensure security best practices (XSS, CSRF, OWASP awareness).
• Participate in Agile/Scrum ceremonies and sprint planning.

Skills

React.js

Angular

State management

CSS preprocessors

Micro-frontend

Java Spring Boot

REST APIs

OAuth2 / JWT

SQL/NoSQL

Job description

Key Responsibilities

Front-End Leadership

• Lead the architecture and development of responsive, high-performance web applications.
• Own front-end technical decisions, coding standards, and best practices.
• Translate UX/UI designs into reusable, scalable front-end components.
• Review code, mentor junior developers, and enforce clean code principles.

Backend Collaboration & Exposure

• Work closely with backend teams to define APIs, data contracts, and integration patterns.
• Develop and consume RESTful APIs (and/or GraphQL).
• Understand backend concepts such as authentication, authorization, session management, and caching.
• Perform light backend development or debugging when needed.

DevOps & Quality

• Collaborate on CI/CD pipelines and deployment strategies.
• Implement unit tests, integration tests, and front-end automation frameworks.
• Ensure security best practices (XSS, CSRF, OWASP awareness).
• Participate in Agile/Scrum ceremonies and contribute to sprint planning.

Required Skills & Qualifications

Front-End (Core)

• Expert-level experience with React.js and Angular (both).
• Experience with modern state management (Redux, NgRx, Zustand, etc.).
• Hands-on experience with responsive design frameworks and CSS preprocessors.
• Strong understanding of component-based architecture and micro-frontend concepts.
• Experience with Java (Spring Boot)
• Understanding of REST APIs, API gateways, and authentication mechanisms (OAuth2, JWT).
• Basic experience with databases (SQL/NoSQL) and data modeling concepts.

VALIANT TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. VALIANT TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will VALIANT TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract