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Weekend Frontend Web Developer Jobs in New York (NOW HIRING)

Polymarket

Senior Web Engineer

New York, NY · On-site +1

About the Role Polymarket is looking for a Senior Web Engineer to own complex frontend features, improve reliability, and help us ship faster with confidence. You'll own major web surfaces end-to-end ...

ConsultAdd, Inc.

Web developer

Jersey City, NJ

Company Description Entry Level - web developer - - Create and setup a Rails environment Use generators to create models, controllers and migrations Create and use a migration to manage the database ...

ConsultAdd, Inc.

Web Developer

Jersey City, NJ

Web Developer Responsibilities: Participate in UI design sessions across several application redesign efforts. Design, implement, test all changes needed across each system build. Participate in ...

Jobsbridge

Web Developer

Newark, NJ

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 3+ years of experience programming in JavaScript, HTML, CSS and cross ...

Jobsbridge

Web Developer

Newark, NJ

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 3+ years of experience programming in JavaScript, HTML, CSS and cross ...

Jobsbridge

Web Developer

Warren, NJ

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Experience working on Mobile UI Framework is required Extensive experience ...

ITech Recruiting

Web Developer

Jersey City, NJ

... Web Developer in the design, development and implementation of a new internet application. Technical Skills and Experience * Strong HTML (No WYSIWYG) * Strong JavaScript * Strong JSP * Proven track ...

ConsultAdd, Inc.

Web Developer

Jersey City, NJ

Code web sites utilizing CSS and HMTL and programming languages. * Manage relationships with clients. * Work with cross-functional teams as and when required. * Maintain excellent customer ...

ConsultAdd, Inc.

Web Developer

Jersey City, NJ

Code web sites utilizing CSS and HMTL and programming languages. * Manage relationships with clients. * Work with cross-functional teams as and when required. * Maintain excellent customer ...

Infotech Sourcing

Web Developer III

Manhattan, NY · On-site

Infrastructure Engineering - Web Developer III Summary We're seeking experience a software engineering with a background in building web apps with 3+ years of experience in Python to help us build ...

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Weekend Frontend Web Developer information

What is the difference between Weekend Frontend Web Developer vs Part-Time Frontend Web Developer?

AspectWeekend Frontend Web DeveloperPart-Time Frontend Web Developer
Work SchedulePrimarily works on weekends, often with flexible hoursWorks fewer hours per week, can include weekdays or weekends
CredentialsTypically requires HTML, CSS, JavaScript skills; certifications are optionalSimilar credentials; certifications can enhance prospects
Work EnvironmentRemote or freelance projects, often project-basedRemote or part-time employment, often with startups or agencies
Industry UsageCommon in freelance and gig economy rolesUsed in both freelance and part-time employment settings

The main difference between a Weekend Frontend Web Developer and a Part-Time Frontend Web Developer lies in their work schedule. Weekend developers focus on weekend hours, often freelancing, while part-time developers work fewer hours during weekdays or weekends. Both roles require similar skills and credentials, and are common in freelance or flexible employment settings.

What are the most commonly searched types of Frontend Web Developer jobs in New York? The most popular types of Frontend Web Developer jobs in New York are:
What cities in New York are hiring for Weekend Frontend Web Developer jobs? Cities in New York with the most Weekend Frontend Web Developer job openings:
Weekend Frontend Web Developer jobs near you
Infographic showing various Weekend Frontend Web Developer job openings in New York as of August 2026, with employment types broken down into 1% As Needed, 69% Full Time, 25% Part Time, 4% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.

Lead Front-End Engineer (React/Web)

Long Finch Technologies

Jersey City, NJ • On-site

Full-time

Posted 6 days ago

Job description

Required Skills:

  • 10+ years professional software engineering experience with significant depth in front-end web development; experience leading projects and mentoring engineers.
  • Expert-level React proficiency (hooks, component composition, context, rendering behavior, concurrency-related patterns where applicable).
  • Strong TypeScript skills (types-as-design, generics, strictness strategies) and modern JavaScript fundamentals.
  • Deep experience with modern front-end tooling: Vite/Webpack , Babel/SWC, npm/pnpm/yarn, monorepos (optional), and build/release pipelines.
  • Strong CSS skills: responsive design, CSS architecture (CSS Modules, CSS-in-JS, or utility frameworks), theming, and consistent styling at scale.
  • Advanced testing practices: Jest/Vitest , React Testing Library, Playwright/Cypress for E2E; test strategy ownership.
  • Accessibility expertise: WCAG/ARIA , keyboard navigation, screen-reader considerations, and automated + manual a11y testing.
  • Performance engineering: profiling, bundle splitting, SSR/CSR trade-offs, caching strategies, and Core Web Vitals optimization.
  • API integration expertise with GraphQL and REST (schema-driven development, error handling, pagination, caching, and client state strategies).
  • Security awareness for web apps: XSS/CSRF prevention, dependency hygiene, secure auth/session patterns (OIDC awareness a plus).
  • Observability for the front end: client-side logging/metrics, error reporting, and debugging production issues.
  • MUST: Proficiency using AI-assisted engineering tools (e.g., Claude Code, GitHub Copilot ) to accelerate implementation, refactoring, test creation, and debugging—while validating correctness and adhering to secure handling practices.

Preferred qualifications

  • Experience with SSR/meta frameworks: Next.js / Remix and SEO considerations.
  • Experience leveraging a design system (Storybook, tokens).
  • Experience with micro-frontend patterns and module federation (where relevant).
  • Experience with visualization and rich UI: D3, Canvas/WebGL, advanced tables/grids, animation libraries.
  • Familiarity with authentication integrations (OIDC/OAuth2) and enterprise SSO constraints.
  • Proven track record modernizing legacy front ends and improving developer experience (DX).

Job responsibilities

  • Lead development of complex, user-facing web applications using React + TypeScript , owning the front-end architecture and delivery approach.
  • Partner with UX/Product to translate designs into polished experiences; influence requirements with feasibility, performance, and accessibility considerations.
  • Establish and evolve front-end standards: component architecture, state management, routing, code conventions, and testing practices.
  • Build using JPMC’s EXDS UI foundations: design system / component library , theming, responsive layouts, and cross-browser compatibility.
  • Drive performance and quality: Core Web Vitals, bundle optimization, rendering strategies, caching, and runtime observability.
  • Implement advanced UI capabilities such as rich data visualization, real-time updates, offline-friendly patterns, and robust form/workflow experiences.
  • Ensure secure client-side patterns: safe auth flows, token handling guidance, secure storage, and protection against common web vulnerabilities.
  • Collaborate with backend teams on API contracts (GraphQL/REST ) and advocate for front-end friendly patterns (pagination, filtering, error models).

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