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Sr Web Developer Jobs in New York (NOW HIRING)

Polymarket

Senior Web Engineer, Perps

New York, NY · On-site

About the Role Polymarket is launching perpetual futures and we're looking for a Senior Web Engineer to own the frontend of our perps product. You'll build the trading interfaces that traders will ...

Rockstar Games

Senior Web Engineer

Manhattan, NY · On-site

$121K - $161K/yr

Rockstar Games is seeking a passionate and experienced Senior Web Engineer with a focus on the "back of the frontend" to join our online development team. This role will involve a deep understanding ...

Fireblocks

Senior Web Engineer, Marketing

New York, NY

$116K - $152K/yr

We're hiring a Senior Web Engineer to help us rethink web production from the ground up. You'll bring deep technical judgment, a creative approach to problem solving, and the drive to build systems ...

TecTammina

Backend Web Developer

Jersey City, NJ · On-site

$100K - $135K/yr

Senior Backend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

TecTammina

Backend Web Developer

New York, NY · On-site

$100K - $135K/yr

Senior Backend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

Fireblocks

Senior Web Engineer, Marketing

Manhattan, NY · On-site

$116 - $152/hr

We're hiring a Senior Web Engineer to help us rethink web production from the ground up. You'll bring deep technical judgment, a creative approach to problem solving, and the drive to build systems ...

Fireblocks

Senior Web Engineer, Marketing

New York, NY · On-site

$116K - $152K/yr

We're hiring a Senior Web Engineer to help us rethink web production from the ground up. You'll bring deep technical judgment, a creative approach to problem solving, and the drive to build systems ...

TecTammina

Senior Frontend Web Developer

New York, NY · On-site

$100K - $135K/yr

Senior Frontend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

TecTammina

Senior Frontend Web Developer

New York, NY · On-site

$100K - $135K/yr

Senior Frontend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

TecTammina

Senior Frontend Web Developer

Jersey City, NJ · On-site

$100K - $135K/yr

Senior Frontend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

TecTammina

Senior Frontend Web Developer

Edison, NJ · On-site

$100K - $135K/yr

Senior Frontend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

TecTammina

Senior Frontend Web Developer

Jersey City, NJ · On-site

$100K - $135K/yr

Senior Frontend Web Developer Industry IT services Location: NYC Salary range: US$100k -$135k base with stock options Are you looking for a challenging start up environment where you can be at the ...

iFLIP4

Lead Web Developer

East Hanover, NJ · On-site

... and a senior advertising executive in charge of $250 million of ad sales at Yahoo. We want to ... We're looking for a visionary Lead Web Developer who wants to drastically improve a successful Beta ...

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$125.3K

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How much do sr web developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for sr web developer in New York is $125,329.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,600.00 and $143,900.00 per year, depending on experience, location, and employer.

What is a Sr Web Developer?

Sr Web Developers are experienced professionals who design, build, and maintain complex websites and web applications. They play a key role in both front-end and back-end development, often overseeing the architecture, coding standards, and technical direction of projects. In addition to writing code, Sr Web Developers mentor junior developers, collaborate with cross-functional teams, and ensure that web solutions are scalable, secure, and efficient. Their expertise typically includes a deep understanding of web technologies, frameworks, and best practices.

What are the key skills and qualifications needed to thrive as a Sr Web Developer?

To thrive as a Sr Web Developer, you need advanced proficiency in programming languages such as JavaScript, HTML, CSS, and experience with modern frameworks, backed by a relevant degree or equivalent experience. Familiarity with version control systems (like Git), cloud platforms, and certifications in technologies like AWS or React are commonly expected. Exceptional problem-solving abilities, leadership, and strong communication skills help drive team projects and mentor junior developers. These skills ensure robust, scalable web solutions and foster effective collaboration in dynamic development environments.

How does a Sr Web Developer typically collaborate with cross-functional teams during a project?

As a Sr Web Developer, you'll often work closely with designers, product managers, QA specialists, and sometimes clients to ensure project goals and user needs are met. Collaboration involves participating in planning meetings, providing technical guidance, reviewing design feasibility, and integrating feedback throughout development. Effective communication is key, as you'll translate technical concepts for non-technical stakeholders and coordinate with backend teams to ensure seamless integration. This collaborative environment helps deliver robust, user-friendly web applications that align with business objectives.

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Sr Web Developer jobs near you
Infographic showing various Sr Web Developer job openings in New York as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 10% Part Time, 1% Temporary, and 4% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $125,329 per year, or $60.3 per hour.

Senior Web Engineer, Perps

Polymarket

New York, NY • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 21 days ago

Job description

About Polymarket
Polymarket is the world's largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.
We're growing fast - both in terms of volume ($21B traded in 2025) and adoption as an alternative news source. Our ambition is to become a ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.
About the Role
Polymarket is launching perpetual futures and we're looking for a Senior Web Engineer to own the frontend of our perps product. You'll build the trading interfaces that traders will rely on every day: order entry, position management, real-time market data, and the full suite of UI that makes a great perps exchange feel fast, reliable, and intuitive.
This is a high-ownership role at the intersection of frontend product development, backend systems, performance, and reliability. We want someone who has shipped trading UIs before, understands the domain deeply, and can move fast without compromising quality.
What You'll Do
  • Own and ship complex trading UI features end-to-end - order books, position panels, trade history, funding rates, liquidation displays, and more - making thoughtful tradeoffs between speed, quality, and long-term maintainability
  • Work closely with backend engineers to design APIs, reason through real-time data flows, and build reliable trading experiences on top of complex exchange systems
  • Partner with QA, TPM, product, and design to clarify requirements, manage launches, and improve product quality
  • Monitor dashboards, alerts, and user reports to identify and respond to issues quickly; work with backend and infrastructure teams during incidents to isolate root causes and follow through with fixes
  • Design and implement UI that handles live market data, streaming order books, and fast-moving prices in a way that feels responsive and accurate to traders
  • Build and improve the logs, metrics, alerts, dashboards, and error reporting that give the team visibility into frontend system performance
  • Identify meaningful technical debt, propose pragmatic refactors, and contribute to system design discussions that evolve our frontend architecture as the product scales
What We're Looking For
  • 3-5+ years of frontend web engineering experience
  • Strong hands-on experience with React, Next.js, TypeScript, and modern frontend development
  • Experience building trading, exchange, or financial product UIs - you understand the domain and know what a great trading interface requires
  • Strong frontend system design instincts across state management, data fetching, caching, performance, reliability, and maintainability
  • Experience working with real-time data: WebSockets, streaming APIs, or live market feeds
  • Strong debugging skills and experience responding to production issues
  • Comfortable working with backend engineers on APIs, data contracts, failure modes, and system behavior
  • High agency - you notice problems, propose solutions, and drive work to completion
  • Clear communicator during planning, launches, bugs, and incidents
  • (Plus) Direct experience building UI for a perpetuals exchange or derivatives trading product
  • (Plus) Frontend performance specialization, particularly around real-time data rendering
  • (Plus) Experience in crypto, Web3, or adjacent financial infrastructure
  • (Plus) Experience improving frontend observability, alerting, or reliability practices
  • (Plus) Strong practical use of AI tools to improve engineering productivity
Benefits
  • Competitive salary & equity
  • Unlimited PTO
  • Full Health, Vision, & Dental coverage
  • 401k match
  • Hardware setup: new MacBook Pro, big display, & accessories

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