Jobs in United States

Senior React Developer in New York

211 active opportunities · Updated October 2026

Explore current senior react developer jobs in New York. Filter by work mode, employment type, experience, department, date posted and distance.

A
📍 New York, NY, United States
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,400 firms in nearly 60 countries use Addepar to manage and advise on nearly $9 trillion in assets. Its open platform integrates with nearly 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, London, Edinburgh, Pune, Dubai, Geneva, Singapore and São Paulo. The Role We are seeking a Staff Full Stack Software Engineer to join the Advisor Experience team as our Technical Lead. Our team is focused on building tools for financial advisors to grow and sustain their business. We oversee bespoke products for advisors and develop advisor-focused capabilities throughout the Addepar platform. In this role, you will be the primary technical anchor for new capabilities including Secure Message Center — a compliant messaging experience built into Addepar's client portal that allows advisors and their clients to communicate directly within the platform. You will partner directly with Engineering Leadership and Product Management to build a modern, scalable architecture from the ground up. Beyond system design, you will act as a true engineering multiplier: setting technical standards, mentoring junior and mid-level engineers, and working alongside other senior engineers and AI specialists to deliver high-impact advisor tools. Applicants must be legally authorized to work in the United States for any employer without requiring current or future visa sponsorship (for example, employment-based visas such as H-1B, F-1/OPT, or similar), and must be authorized to begin work in the U.S. on their first day of employme

JavaReactVueAI
DU
📍 New York, NY, United States
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About the Team Our Advertising & Promotions Marketing team operates at the intersection of e-commerce and advertising, surfacing and monetizing relevant content that benefits our core audiences. We provide digital solutions to help advertisers reach DoorDash audiences. The growing DoorDash ads business will quickly become the single best place for merchants and brands to market to local customers, in an ecosystem that benefits all parties. About the Role Our advertising business is one of the fastest-growing parts of DoorDash. This role exists to ensure our sellers are equipped with the right materials for key conversations with enterprise advertisers. You will own the sales content portfolio for our ads business and design the system that produces it. You will co-create our annual sales narrative with our platform and product marketing partners, and own translating it into the practical materials the field actually uses to win. That covers the content sellers use in front of advertisers: pitch decks, one-pagers, customer proof, and playbooks, along with the research that informs it and the governance that keeps it up to date. You will also develop content for our external advertiser training materials. You will manage a team of four marketers covering Restaurant, CPG, and agency audiences across the US, Canada, Australia, and New Zealand, supporting a field of hundreds of sellers. You will partner with Sales, Product Marketing, Revenue Enablement, Product, and business leaders to develop content. Recurring content maintenance and library administration sit with your team. This role reports to the Sr. Director, Ads Marketing. You're excited about this opportunity because you will… Build deep fluency in our ads product suite across our Restaurant and CPG offerings, including occasions and co-marketing programs, and translate that expertise into seller storytelling and content. Own the sales content portfolio and design the operating model behind it, applying bran

SQLAISalesforceExcel
W
📍 New York, New York, United States· Full-time
✓ High-confidence listing

From $75K/yr

Quick readStrong listing-quality and freshness signals

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: WPP’s Data & Technology Solutions is the WPP’s unified global data products and technology team. We work with our agencies and clients to build data-driven solutions and technology product to power marketing transformation. WPP Open is our AI platform for marketing, it connects marketing professionals, data, tools and AI in a single place. WPP Open is the simplest, safest and fastest way to realize the benefits of scaled AI – delivering better-informed creative ideas faster, at scale and at lower cost. We’re endlessly curious and our team of thinkers, builders, creators and problem solvers are over 2,000 strong, across 20 markets around the world. The Senior Manager, Data Enablement Operations will support the operational effectiveness of the Data & Technology Solutions Partnerships organization. This role will help drive scalable operational processes, support partnership management workflows, and improve coordination across Commercial, Enablement, GTM, Product and regional teams. This individual will play a key role in helping standardize processes, improve operational visi

AIGoRustMarketing
C-
📍 New York, New York, United States· Full-time
✓ High-confidence listing

$150K – $180K/yr

Quick readStrong listing-quality and freshness signals

CLEAR is building THE secure identity company of the future. Our mission is to make experiences safer and easier—physically and digitally. With more than 43 million Members and a growing network of partners across the world, CLEAR's secure identity platform is transforming the way people live, work, and travel. Whether it’s at the airport, stadium, or throughout your everyday life, CLEAR unlocks the magic of frictionless experiences. CLEAR is looking for a modern, highly strategic communications leader to drive earned media and bring our biggest partnerships, products, and company moments to market. You’ll build a proactive communications engine across CLEAR1, CLEAR+, and other key initiatives, developing the strategy while rolling up your sleeves to write, pitch, launch, and execute the work. What you'll do: Own communications approach and execution for major CLEAR announcements, partnerships and launches across CLEAR1, CLEAR+, and other priority areas of the business Build and maintain strong relationships with national, business, technology, travel and trade media, as well as new media types, proactively developing stories and opportunities that drive awareness, consideration and understanding of CLEAR Turn business priorities into compelling narratives and integrated communications plans, identifying how earned media, executive visibility, partners, owned channels and other communications levers can work together to maximize impact Lead announcements from idea through execution, developing messaging, writing press materials, pitching media, preparing spokespeople, coordinating internal and external stakeholders and ensuring flawless launch execution Build the processes, rhythms and tools that make CLEAR’s communications function increasingly proactive and scalable, creating visibility into upcoming moments and identifying opportunities to tell a bigger, more connected CLEAR story How you'll measure success: Quality, relevance and reach of earned me

GitRestAIExcel
C
📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -72%

From £132.5K/yr

Quick readStrong listing-quality and freshness signals

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Senior Account Executive - Financial Services Why this role? In this role, you will have ownership of the full sales cycle - from identifying leads to closing deals with Global 2000, large enterprises within the Financial Services sector. We're looking for an approachable and compelling communicator who loves working with prospects to uncover their needs and feels comfortable developing tailored value propositions around how Cohere's platform can help them achieve their business goals. You'll lay the foundation for Cohere's growth by owning your territory and collaborating with teammates across customer success, sales development, marketing, and solution architecture. You'll be the voice of the field and help our product and engineering teams prioritize the Cohere roadmap with customer-centric care. It's a highly self-directed role, so you should be someone who thrives in an unstructured and quickly evolving environment. And your opportunity for impact will be astronomical — Cohere has skies-the-limit potential, and you'll help us reach it. As an Account Executive focused on the Financial Services sector you will: Focus on net-n

GitAIGoRust
B
📍 New York, New York, United States· Full-time
✓ High-confidence listing

From $144.6K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. People at Brex The People team builds and sustains the culture that powers Brex. We focus on talent, growth, and the employee experience — creating an environment where high-agency individuals can thrive. From hiring to development, we design systems that grow with scale and challenge people to reach their potential. It’s a team for builders, coaches, and culture-shapers. What you’ll do As a People Business Partner, you'll act as a trusted advisor and coach to senior GTM leaders and managers, helping them navigate org design, workforce planning, and change management while driving a culture of high performance. In this role, you'll also partner closely with Employee Relations, Compensation, and People Operations, and lead org design conversations that keep GTM's structure aligned with business strategy as it grows. This role is designed for someone who thrives operating at the intersection of strategic advisory and hands-on execution,

AIGoRustAccounting
B
📍 New York, New York, United States· Full-time
✓ High-confidence listing

$192K – $240K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level - from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Frontend Engineer, you will be working across the entire Brex stack, creating and maintaining new products, features, and building tools to help scale Brex. You will have the opportunity to learn and push the frontier of providing the best financial software experience to help companies grow. You’ll be encouraged to be metric and data-driven and to think creatively to help Brex scale and get prepared for the new markets we are about to enter. We’re looking for folks with not only an interest in building

TypeScriptReactRestAI
TN
📍 New York, NY, United States
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

The mission of The New York Times is to seek the truth and help people understand the world. That means independent journalism is at the heart of all we do as a company. It’s why we have a world-renowned newsroom that sends journalists to report on the ground from nearly 160 countries. It’s why we focus deeply on how our readers will experience our journalism, from print to audio to a world-class digital and app destination. And it’s why our business strategy centers on making journalism so good that it’s worth paying for. About the Role, Mission or Department Overview As a Senior Engineer, Marketing, you'll be embedded with the Marketing team, providing us with technical leadership, consulting, and systems thinking. You'll assemble the orchestration systems, integrations, and AI capabilities that help teams work faster, and in more data‑driven ways. You will lead end‑to‑end design, implementation, and management of the marketing campaign lifecycle system, integrations, internal tools, and learning/experimentation infrastructure. You will report to our Director, Advertising Systems. Responsibilities: You will write high-quality, secure, and well-tested code, contributing to standards and documentation for Marketing infrastructure, data models, and tools You will build the campaign lifecycle orchestration backbone You will build integrations and internal tools that connect project management, collaboration, creative, media, and email/lifecycle platforms You will work with Marketing partners as a technical advisor, translating needs into designs You will integrate AI agents and automations (including LLM-powered flows) into Marketing workflows according to company GenAI guidance You will design and operate data pipelines and models that ingest marketing and performance data into a data layer, supporting experimentation and analytics workflows You will deliver abstractions and APIs that ensure AI systems and our users to create campaign wrap-ups, insights, next-t

TypeScriptPythonReactNode.js
B
📍 New York, New York, United States· Full-time
✓ High-confidence listing

$192K – $240K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, p

TypeScriptPythonJavaReact
F
📍 New York, United States of America, United States
✓ Quality checkedCompany trend -100%

At Franklin Templeton, we believe success is built through powerful partnerships. As a forward thinking asset manager, we build dynamic relationships with clients, understand their goals, and navigate complex markets together. We leverage cutting edge strategies and deep insights to unlock opportunities for long term wealth creation. Our talented, global teams bring expertise that is both broad and unique. From our welcoming, inclusive, and supportive culture to our globally diverse business, we offer opportunities not only to help you reach your potential, but also to contribute to our clients’ success. Senior Administrative Assistant We are looking for a Senior Administrative Assistant to join the Franklin Templeton Crypto team. The role will be based in New York City. In this role, you will provide support to leaders in multiple functions across the team as well as partner with other members to support the broader Franklin Crypto organization. What are the ongoing responsibilities of a Senior Administrative Assistant? Provide administrative support to executives; responsibilities include calendar maintenance, meeting coordination, staff relocations, phone coverage, ordering office supplies, email correspondence, incoming/outgoing mail, filing, and scanning. Manage day-to-day communication between executives and company staff or outside business clients and contacts. Coordinate complex domestic and international travel plans. Assist with creation of travel binder, including agenda details and subsequent expense report submission process. Ensure that department invoices and expense reports are processed timely and accurately. Take and maintain meeting

ExcelHuman Resources
D
📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -83.5%

From $184K/yr

Quick readStrong listing-quality and freshness signals

TPMs at Datadog see the problems hiding between teams, engineer away the work that shouldn’t require humans, and drive the company’s most technically complex and consequential bets to completion. Technical Program Management at Datadog operates at the intersection of engineering depth and organizational reach by driving high priority, cross-functional programs that are too complex and consequential for any single team to own. We partner with engineering on solving deeply technical problems at scale by connecting the people, decisions, and context to move Datadog's most important work forward. We build the systems and automation that make entire classes of program work self-executing. We are in the architecture conversation early, earning trust through technical judgment. We use AI to surface risks earlier, accelerate program execution plans, and find cross-team patterns that would otherwise stay hidden. The faster teams move, the more essential it is to have someone who can operate across them. At Datadog, we place value in our office culture - the relationships that it builds, the creativity it brings to the table, and the collaboration of being together. We operate as a hybrid workplace to ensure our employees can create a work-life harmony that best fits them. What We Expect: These are the expectations we hold for every TPM at Datadog. Technical depth, product domain expertise, and AI systems literacy; knowing how AI solutions work, where they fail, and the scope and impact of those failures. AI brings more complexity into the picture - the technical bar is higher, not lower. Build the systems that reduce the need for coordination Identify what matters before anyone asks, and automate the rest Engineer program lifecycles end-to-end See what no single team can see and own the solution Drive the company's most technically complex and consequential bets through cross-functional agreement, organizational visibility, and influence Build AI powered automation tools and

RestAIGoRust
B
📍 New York, NY, United States· Full-time
✓ High-confidence listing

From $89K/yr

Quick readStrong listing-quality and freshness signals

WHAT IS BOX? Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia. By joining Box, you will have the unique opportunity to continue driving our platform forward. Content powers how we work. It’s the billions of files and information flowing across teams, departments, and key business processes every single day: contracts, invoices, employee records, financials, product specs, marketing assets, and more. Our mission is to bring intelligence to the world of content management and empower our customers to completely transform workflows across their organizations. With the combination of AI and enterprise content, the opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. WHY BOX NEEDS YOU The Marketing Technology Specialist plays a critical role in keeping Box's marketing engine running with precision and efficiency. You will sit at the intersection of marketing, sales, and analytics — ensuring that campaigns are set up correctly, data flows cleanly, and performance insights reach the right teams at the right time. This is a role for someone who thrives on building reliable systems, solving operational puzzles, and continuously improving the technology and processes that power marketing at scale. You will join a collaborative team that values accuracy, curiosity, and a bias toward action. Whether you're troubleshooting a workflow, building a dashboard, or documenting a new best practice, your work will have a direct impact

SQLAISalesforceMarketing
S
📍 New York, NY, United States
✓ Quality checkedCompany trend -84.4%

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. About the team This role is open to remote candidates located anywhere within the Eastern Time Zone. The Cash Platform team is part of Stripe's Money Movement Services Platform. We manage Stripe's FX and cash positions across the globe, owning two of the most commercially critical problems in our business: delivering the best possible FX trades for our users, and optimizing the cost and routing of cross-border payouts across countries. Stripe recently launched its own in-house bank, enabling near-instant movement of funds across accounts worldwide—and Cash Platform is at the center of bringing that infrastructure to Stripe's products and, increasingly, to our customers. What you'll do You'll work closely with engineering teams across Cash Platform and Money Movement Services, cross-functional partners spanning Legal, Treasury, Financial Crimes, and Sales, and senior stakeholders inside and outside Stripe. You'll define the strategy and roadmap for Stripe's FX and cross-border payout products, drive cost optimization and routing decisions at scale, and help shape the path toward monetizing Stripe's in-house banking infrastructure for users globally. Responsibilities You are expected to: Deeply understand the competitive landscape and define clear benchmarks for where Stripe's FX and cross-border payout products need to be Own the product strategy and roadmap for Cash Platform, balancing near-term cost and performance optimization with longer-term platform m

P
📍 New York, United States
✓ High-confidence listingCompany trend +671.4%

$139.1K – $231.9K/yr

Quick readStrong listing-quality and freshness signals

As a leading biopharmaceutical company, Pfizer is dedicated to the discovery and delivery of high value therapies across a variety of disease areas. It is our mission to bring innovative medicines to patients that significantly improve their lives, and our priority is to ensure patients have access to these medicines. The Health Technology Assessment (HTA), Value & Evidence (HV&E) team is responsible for ensuring patients have affordable, timely access to medicines and vaccines by advancing innovative value and evidence solutions to inform healthcare decision-making. ROLE SUMMARY The HTA, Value & Evidence Senior Manager is responsible for development and execution of high-quality HV&E strategic efforts to support optimal access and reimbursement for treatments in Oncology. This role directly impacts the ability to achieve business objectives on a global basis by providing strategic guidance and robust evidence development relevant to achieve optimal global patient access by demonstrating the value of Oncology medicines. This position will be part of Pfizer’s dynamic HTA Value & Evidence team and will have the important role of managing health economics and outcomes research (HEOR) to generate data to support patient access to the GU Cancer Portfolio. This position will be working closely with the Oncology cross-functional teams (e.g., access, medical, clinical, commercial, etc.) and country teams to foster a culture that promotes innovation and thrives on doing better for Pfizer’s patients and society in general. This position will function in a closely aligned fashion with the Global Access Strategy and Pricing (GASP) team to ensure there is a single and coordinated view on strategy and project execution. This position will function with a ‘OnePfizer’ mindset and will work in a closely ali

AIProject ManagementRecruitment
P
📍 New York, United States
✓ High-confidence listingCompany trend +671.4%

$68.6K – $114.3K/yr

Quick readStrong listing-quality and freshness signals

Why Patients Need You Pfizer’s purpose is to deliver breakthroughs that change patients’ lives. Research and Development is at the heart of fulfilling Pfizer’s purpose as we work to translate advanced science and technologies into the therapies and vaccines that matter most. Whether you are in the discovery sciences, ensuring drug safety and efficacy or supporting clinical trials, you will apply cutting edge design and process development capabilities to accelerate and bring the best-in-class medicines to patients around the world. What You Will Achieve As a Senior Associate Scientist, you will be at the center of our operations and you’ll find that everything we do, every day, is in line with an unwavering commitment to quality. You will be part of a team to support the preclinical evaluation and early clinical development of mRNA and protein based viral vaccines. You will be responsible for performing and developing immunoassays supporting various viral programs to monitor the immune responses elicited by vaccine candidates. You will be using your scientific knowledge to adapt and develop standard methods and techniques by applying prior work experience and consulting others. You should possess a strong work ethic and collaborative spirit and be adaptable to fast-paced environments. It is your innovative scientific temperament that will help in making Pfizer ready to achieve new milestones and help patients across the globe. How You Will Achieve It Perform assays to analyze immune responses to vaccine candidates that include (but are not limited to) cell culture, neutralization assays, other functional antibody assays, Luminex, and ELISAs in BSL-2 environments. Generate, characterize and tract critical reagents for preclinical bio-functional studies to support vaccine development. Assist with preclinical bio-functional assay development and t

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