466 web engineer jobs at 285 companies in Suffern, NY
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Lead Performance Web Engineer
New York or United States
HybridFull Time
Polymarket: A decentralized platform for trading on real-world event outcomes.
Proven web performance engineering at scale, technical leadership, proficiency in JavaScript/TypeScript, deep understanding of rendering, caching, CDN strategy, observability, and measurement-driven performance optimization.
JavaScript, TypeScript, Next.js, React, V8, Core Web Vitals
Cape: A privacy-first mobile carrier providing secure cellular network services.
Experienced web developer proficient with modern JavaScript/TypeScript and Next.js, Vercel deployments, headless CMS (Sanity), Figma, web analytics (Mixpanel, Google Ads, Meta), and strong web security and performance practices.
City of New York: Provides municipal services and administration for New York City.
1+ YOEProfessional database administration certification or equivalent education/experience; experience in front-end UX/UI and back-end web development, Docker, Git, Python/JavaScript, PostgreSQL/MySQL, ElasticSearch/Solr; ability to gather requirements and work in Agile.
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years web infrastructure/systems engineering experience; deep Linux knowledge, networking and cyber security fundamentals, Akamai/CDN experience, scripting with Python/Bash/Ansible, web server management, and strong troubleshooting and communication skills.
United States or San Francisco or New York City or London or Dublin or Tel Aviv or Sydney
$116k-$137k/yrRemoteFull Time
Vanta: Automated security compliance and trust management software for businesses.
3+ YOE3+ years web development experience with Next.js, headless CMS (Sanity), Vercel, TypeScript/JavaScript, HTML/CSS, Tailwind, Git, and CI/CD. Experience with accessibility, performance (Core Web Vitals), analytics, and US work authorization required.
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
7+ YOE7+ years building web applications with strong expertise in JavaScript/TypeScript, browser internals, profiling and optimizing rendering and real-time UIs; experience with performance tooling and cross-functional collaboration.
JavaScript, TypeScript, Canvas, Web Workers, WebSockets, Chrome DevTools, Lighthouse, flame charts, Core Web Vitals
InformaLondon Stock Exchange: INF: Organizing international business events and publishing academic research journals
8+ YOE8+ years software development experience with strong React and Node.js skills, cloud and database proficiency, CI/CD and DevOps experience, and ability to design large-scale web applications.
SoundCloud: Online audio distribution platform and music sharing website.
4+ years building large-scale web apps with TypeScript and React; experience with Next.js/Vite, web performance, accessibility, EMR not required; strong communication and mentoring skills; comfortable using AI-assisted development tools.
Fireblocks: Provides secure infrastructure for moving and storing digital assets.
Deep front-end and architectural expertise with HTML, CSS/SCSS, modern JavaScript, React, WordPress/Gutenberg experience; experience designing reusable systems, accessibility (WCAG), performance (Core Web Vitals), and using AI development tools.
PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.
2+ YOE2 years frontend design experience; web fundamentals (accessibility, performance, uptime, SEO); proficiency with TypeScript, React, Next.js, and Figma; experience with CI/CD and build tooling; strong design sensibility and cross-functional communication.
Colgate-PalmoliveNYSE: CL: Manufactures and sells oral, personal, home, and pet care.
3+ YOEBachelor's in CS/IT/Engineering or equivalent experience, expert GA/GTM, 3+ years web analytics, tag implementation and governance, dashboard design, and A/B testing/personalization experience.
Google Tag Manager, GA4, Google Analytics, Adobe Target, Adobe Experience Manager (AEM), SAS, SQL, JavaScript, HTML, CSS, jQuery, Google Apps Script
Haymarket Media: Publishes specialized media content and provides professional education services.
5+ YOE5+ years web API and data-centric application experience; strong C#, .Net, microservices, SQL Server, CI/CD, and system design skills; excellent communication and mentoring ability.
C#, .Net Core, .Net 5, REST, Web APIs, AWS, SQL Server, Entity Framework, Telerik, CI/CD, microservices, Git, New Relic, Google Cloud Monitoring, TDD, Swagger, OpenAPI, Playwright, PowerShell, Blazor, Docker
CitiNYSE: C: Providing global banking, investment, and wealth management services.
Senior web developer for front‑office trading applications with extensive Angular (14+), TypeScript, RxJS/NgRx, ag-Grid, JEST, WebSocket, Webpack/Nx, REST/JSON, node.js, npm, and CI/CD (TeamCity/Jenkins) experience; knowledge of fixed income products and strong stakeholder, communication, and analytical skills.
Angular 14.0+, TypeScript, HTML5, CSS3, SAAS/LESS, RxJS, NgRx, ag-Grid, JEST, web sockets, ES modules, Webpack, Nx, JSON, REST, Visual Studio Code, npm, node.js, TeamCity, Jenkins, C#/.NET, ION Trading Platform, Electron, Chromium, WebView2, Tekton, Harness, OpenShift, HighCharts
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
10+ YOE10+ years delivering technology solutions with 8+ years web development; expertise in React, JavaScript/TypeScript, HTML5/CSS, testing, CI/CD and web performance; BS/MS in CS or related field preferred.
Fireworks AI: Provide high-speed inference and infrastructure for generative AI models.
6+ YOE6+ years web development experience; 4+ years with React/Next.js; strong TypeScript, Sanity/CMS, Vercel, performance optimization, CI/CD, and stakeholder communication skills.
Next.js 15, TypeScript, React, Turborepo, Yarn workspaces, Sanity Studio v3, GROQ, groqd, Vercel, ISR, Mux, HubSpot, GitHub Actions, Core Web Vitals, Lighthouse, WCAG, SEO, GA4, Segment, PostHog, Adobe Analytics, Jest, Cypress, Playwright
Senior Web Developer (Growth & Conversion Optimization)
New York, New York, United States
$130k-$160k/yrHybridFull Time
Clay: Platform for automated lead enrichment and sales workflows.
5+ YOE5+ years web development, 3+ years building conversion-focused sites; expert Webflow; strong JS/TS/HTML5/CSS3; API integration; React/Node; CRO, performance focus.
Diligent: Provides software for corporate governance, risk, and compliance management.
7+ YOE7+ years web development experience; strong front-end skills (HTML, CSS, JavaScript/TypeScript, React/Next.js); CMS and headless CMS experience; performance, accessibility, technical SEO, and analytics (GA4/GTM) expertise; mentoring and cross-functional collaboration.