UI Developer (React.JS) Jobs in New York, NY

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Founding Member of the Technical Staff (Product/Full Stack) / React / Williamsburg, Brooklyn, NY

Motion Recruitment Partners, LLC

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New York, New York, USA

Full-time

Founding Full Stack Engineer (In-Person, NYC) Join a small, technical team building the future of LLM infrastructure. We're creating open-source tools that help developers optimize and monitor LLM applications at scale - from prompt tuning and routing to real-time evaluations and A/B testing. We're looking for a founding engineer who is excited to work across the stack and contribute to impactful, user-facing features. Our Stack Frontend: React, Radix UI Backend: Rust, TypeScript ML: Open-sou
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Posted 49 days ago | Updated 11 hours ago

ServiceNow UI Developer

Innova Solutions, Inc

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Remote

Full-time

A client of Innova Solutions is immediately hiring for a ServiceNow UI Developer Position type: Full-time Location: Remote As a ServiceNow UI Developer you will need: The ideal candidate will have: Design and develop custom user interfaces using the Now Experience UI Framework (using React & ServiceNow Components).Build and configure Agent Workspaces and custom workspaces using UI Builder.Build and configure Integrations using Integration HUBExperience in experience with creating actions, flows
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Posted 17 days ago

Sr. Front End Developer - UI/UX focus - W2

Amiseq Inc.

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Remote

Contract

Job Description: Job Description: As a Senior Frontend Developer with UI/UX focus, you will drive frontend architecture and user experience for a high-impact business application. You'll play a crucial role in frontend foundations, UI/UX optimization, and performance enhancement for a sophisticated web platform. Your responsibilities include managing build systems, component libraries, and implementing user interface improvements that directly impact business operations. You'll collaborate with
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Posted 18 days ago

Senior Frontend Developer

Marlabs LLC

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Ridgefield Park, New Jersey, USA

Contract

Senior Frontend Developer Duration: 12 Months Locations: Ridgefield Park, NJ Job Description: We are developing an innovative AI-powered desktop application that leverages cutting-edge technologies to create a transformative user experience. We are seeking a Frontend Developer with expertise in JavaScript, Node.js, Python, and Generative AI to join our innovative team. The ideal candidate will be responsible for developing AI-powered user interfaces that integrate seamlessly with backend AI mod
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Posted 60+ days ago | Updated 1 day ago

React Developer

Stellar IT Solutions

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Remote or Ann Arbor, Michigan, USA

Full-time, Part-time, Third Party, Contract

Job Title: React Developer Location: Remote Job Duration: 6+ Months Interview: Video Job Description: We are seeking a Mid to Senior-Level React Developer to support a legacy application modernization project. The role involves rewriting components of an existing WebForms application into a modern tech stack using React with TypeScript and a .NET Core API. The ideal candidate will be comfortable navigating legacy code and helping transition to the new architecture, with a strong focus on fro
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Posted 2 days ago | Updated 2 hours ago

Python Developer ( React JS , Data Engineering )

Bramkas Inc.

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Remote

Contract

Python : Full Stack Developer ( React JS , Data Engineeing ) Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data EngineeringWe are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable web applicati
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Posted 7 days ago | Updated 7 days ago

MERN/ React developer

Radyant Inc.

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Remote

Contract

MERN/ React developer Location: Remote ( with Security Clearance) Any exp with DOD, federal agencies is good to have. Job Description: Responsibilities Design, develop, test, deploy, and maintain highly scalable and responsive web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).Develop robust, efficient, and well-structured APIs using Node.js and Express.js.Implement engaging and intuitive user interfaces with React.js, ensuring high performance on mobile and desktop.M
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Posted 18 days ago | Updated 1 day ago

VP, Front End UI Lead Developer (Apps Dev Tech Lead Analyst )- C13 - TAMPA

Citi

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Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Develop UI components, screens using the UI technologies such as Angular, React, Bootstrap, HTML5, CSS Develop applications using Java, UI Frame
Posted 44 days ago | Updated 2 hours ago

Lead , UI Software Engineer

S&P Consultants

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Remote or New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 12 About the Role: Lead the development of cutting-edge user interfaces for generative AI applications. You will be responsible for creating intuitive, responsive UI designs that effectively showcase AI and quantitative capabilities while ensuring exceptional user experiences. Compensation/Benefits Information: (This section is only applicable to US candidates) S&P Global states that the anticipated base salary range for this position is $105,0
Posted 15 days ago | Updated 2 hours ago

Lead React Developer

Maximum Cloud Solutions LLC

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Remote

Full-time, Third Party

React Lead Developer Remote Must work in CST hours Responsibilities This is a front end focused role but full stack familiarity (ie, Node.js, others) is required Strong Web development experience of creating and maintaining multiple pages. A commitment to documentation, consistency, reusability, and an eye for the big picture Expert Knowledge of web markup, including HTML5, CSS and CSS preprocessors such as LESS and SASS Handson experience in JavaScript, Typescript and React framework Advanced k
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Posted 9 days ago

Lead Sharepoint Developer

HAN Staffing

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Jersey City, New Jersey, USA

Full-time

Job DescriptionKey Responsibilities: Design and develop scalable SharePoint Framework (SPFx) web parts and extensions using React and Fluent UI, aligned with modern SharePoint Online architecture.Build responsive, accessible, and high-performance user interfaces integrated with Microsoft 365 services (e.g., Graph API, Teams, Outlook).Collaborate with UX designers and BAs to translate business requirements into technical specifications and intuitive UI components.Implement advanced client-side lo
Posted 1 day ago | Updated 1 hour ago

Java ReactJS Lead Developer

CitiusTech

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Remote

Full-time

Minimum 10 years of experience needed. Backend: Java 7/8/11(java from core to advanced concepts), JUNIT, Spring boot, Spring Framework, Service API, Microservices. Frontend: ReactJS, Java 8, JavaScript, Spring boot, Typescript, Jest unit testing framework. DB: PLSQL, Oracle 11g, OS: Windows, Linux Secondary Skills: Oracle ADF / SOA, Spring cloud Desirable skills: Exposure to Jira, GIT, Jenkins, NPM, Yarn, NodeJS, AWS, OCI, AZURE Docker/Containerization. Having knowledge on CI/CD tools and practi
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Posted 29 days ago | Updated 10 days ago

UI Angular Senior Developer - AVP / Tampa, FL (hybrid)

Citi

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Remote or Tampa, Florida, USA

Full-time

The Reference Data Management (RDM) is an organization within the Information Services Group (ISG), a service-centric organization supporting Citi Services, Markets and Banking. RDM provides centralized data and operations platforms spanning accounts, pricing, securities, corporate actions, know-your-customer, and loans pledging. The UI Angular Senior Developer (Applications Development Sr Programmer Analyst - C12) is a position in Reference Data Technology Team and will play a pivotal role and
Posted 25 days ago | Updated 2 hours ago

User Interface Developer - Equity Finance

Citi

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Remote or Tampa, Florida, USA

Full-time

What We do / The Team The Equity Finance Technology team are seeking a development role for the User Interface, located in Tampa. The role requires working with technologists across geographical locations and executing on the technical delivery. The successful candidate must exhibit strong technical skills with a proven ability to deliver using an agile methodology. Responsibilities: Provide technical direction for a team of developers located across locationsAbility to forecast technical adva
Posted 60+ days ago | Updated 2 hours ago

UI/UX Developer

ConsultNet, LLC

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New York, New York, USA

Full-time

Job Description: As a UI/UX Developer, you will be responsible for designing and implementing user-friendly interfaces that provide an exceptional user experience. You will work closely with our design and development teams to create visually appealing and highly functional applications. Key Responsibilities: Collaborate with product managers, designers, and developers to understand project requirements and translate them into user interfaces. Design and prototype user interfaces using industry
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Posted 60+ days ago | Updated 2 hours ago

Senior React Frontend Developer

iSpace, Inc

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Remote

Contract

Senior React Frontend Developer Location: REMOTE Duration: 12 months contract REMOTE Experience with Redux State management must have..! Responsibilities: Develop and maintain web applications using modern web technologies.Collaborate with cross-functional teams to define, design, and ship new features.Write clean, maintainable, and efficient code.Ensure the performance, quality, and responsiveness of applications.Identify and correct bottlenecks and fix bugs.Help maintain code quality, organ
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Posted 60+ days ago | Updated 7 days ago

Senior Front-End Developer, Equity Technology

Balyasny Asset Management

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New York, New York, USA

Full-time

Description Summary The Equity Technology team at BAM is responsible for building and supporting a world-class suite of tools for our flagship Fundamental Equities business. The ideal candidate has a passion for solving business problems with technology, is obsessed with developing software that provides incredible user experiences and is eager to learn about the intersection of finance and technology. This growing suite of tools spans across the investment lifecycle, including research, idea ge
Posted 13 days ago | Updated 2 hours ago

Sr SPFx Developer

HAN IT Staffing Inc.

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Jersey City, New Jersey, USA

Full-time

Hello Folks,Greetings! Please see below the Job description for Senior SPFx Developer. Let me know if you have any questions Client: Capgemini / ComcastLocation: Whippany, NJ (2-3 Days onsite) Key Responsibilities: Design and develop scalable SharePoint Framework (SPFx) web parts and extensions using React and Fluent UI, aligned with modern SharePoint Online architecture.Build responsive, accessible, and high-performance user interfaces integrated with Microsoft 365 services (e.g., Graph API, Te
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Posted 2 days ago

RAD Developer

Software Guidance & Assistance

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New York, New York, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Full StackDeveloper for a long-term Contractor assignment with one of our premier Financial Services clients in midtown Manhattan, New York. **This position will be hybrid - partial remote and onsite (2-3 days per week) in midtown NYC effective immediately** Position We are seeking a Developer with strong experience in developing solutions that improve the experience, efficiency, and performance of the firm's core technology applic
Posted 3 days ago | Updated moments ago

Software Developer

TSR Consulting Services, Inc.

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New York, New York, USA

Contract

Our client, a leading financial company, is hiring a Software Developer on a contract basis Job ID #: 82192 Work Location: New York, NY Summary: Job Title: Full Stack Developer 5-7 years of experience as a Full Stack developer (need a senior person more than 7 years is OK too) Application is already in production. Creating new enhancements. Backend changes, adding new features. Focused on new enhancements. Not maintenance. Job Description: Work with solution team and lead specialist in build
Posted 60+ days ago | Updated 11 hours ago