react javascript jobs in Philadelphia

Overview We are seeking an Application Developer to join Esri’s Geo Experience Center team, where you will contribute to building prototype applications that explore digital cartography, advanced map visualizations, and web-based GIS experiences. This role focuses on hands-on application development using JavaScript, TypeScript, ArcGIS Maps SDK for...

About the Role Our client is seeking a talented and creative Senior Frontend Engineer with expertise in React to join their dynamic product development team in Philadelphia . You will play a key role in designing and building intuitive, high-performance user interfaces for our client's flagship products. This position offers the opportunity to work on...

Plano 1 (31061), United States of America, Plano, TexasSoftware Engineer, Full Stack (React, TypeScript)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers,...

We’re looking for a “Lead Visualization Engineer” with hands-on expertise in Deck.gl, React, JavaScript, HTML/CSS, and SQL to lead high-impact, interactive visualizations.   🚨 Position: Lead Visualization Engineer 📍 Location: Philadelphia, PA (Day 1 onsite) ⏳ Duration: Long Term   ✅ Must Have: 7+ yrs in Deck.gl, React, JavaScript,...

Job Title8+ yrs frontend exp 3+ yrs Principal/Staff/Lead capacity React.js/Next.js/TypeScript/JavaScript; React Native Headless CMS (Sanity.io); OAuth2/OIDC (FusionAuth, Auth0, Okta, Azure AD) State management (React Query, Redux, Zustand, Apollo) Responsive design/WCAG 2.1+; Design systems/component libraries Multi-brand/multi-tenant platforms; GraphQL/REST...

We are currently looking for a Ruby API Senior Developer for a 100% remote position supporting a large federal government healthcare modernization project. This role will design, develop, enhance, and maintain Ruby on Rails applications and RESTful API endpoints, with a strong focus on scalable, secure, and maintainable software solutions. The ideal...

 We're Hiring: Data Visualization Lead 📍 Location: Philadelphia, PA or Remote (US) 💰 Join an innovative team building cutting-edge, interactive data visualizations with large geospatial datasets. You'll lead a small team and work closely with engineers and data scientists to bring complex data to life. Must-Have Skills: 🟢 React, Deck.gl,...

QualificationsAngular2HTML CSS React core Javascript VanillaJSAdditional InformationAll your information will be kept confidential according to EEO guidelines.

Full-time / Regular RoleNo C2C, Visa Transfers at this timeMust be willing to work onsite in Philadelphia (Hybrid)No relocation package at this timeJob OverviewOur client is looking for a talented developer with expertise in creating both web and mobile applications, focusing on performance and quality. The role involves building state-of-the-art...

SALARY RANGE: $75,000 - $125,000 per year In determining compensation, various factors will be considered, including but not limited to, educational background; relevant experience, knowledge, skills, and abilities, market factors; and geographic location. BENEFITS: All eligible full time employees will receive Paid Annual Leave (PAL) starting at 23 days...

As a Remote Junior Software Engineer, you will be responsible for developing and maintaining our online training platform. You will work closely with our team of experienced software engineers to design, develop, and implement new features and functionalities. This is a full-time, remote position, and you will have the opportunity to work from anywhere in...

Frontend EngineerWe're looking for a Frontend Engineer to set the technical direction for data visualization at Omni. You'll draw on your data viz experience to shape how customers see and interact with their data, working closely with our Product Manager, who also comes from a data viz background, and the engineers currently building in this area. You'll...

About Us: Perpay is a certified B Corp and Philadelphia’s most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the...

Our client, a premier consulting company, is seeking an Angular / JavaScript Developer to join their growing IT team in Philadelphia, PA. The developer will work with a team of 3-4 other developers to build a case management web application for the District Attorney’s Office, front and back end. The following is a list of application features, with brief...

The Wistar Institute has an opening for a remote Junior Application Developer to join its transformative Information Technology department. The Junior Application Developer in The Wistar Institute’s Information Technology department supports research and administrative initiatives by designing, configuring, analyzing, and developing end-user applications...

Job DescriptionWe are looking for a Lead Architect who is a true hands-on engineer—someone who designs solutions and writes production code daily. You will lead architecture and delivery across a cloud-native platform built on Java + Spring, .NET 8/10, Python (Django/Flask microservices), SQL, React, Node.js + Socket.IO, and Microsoft Azure (ADO/App...

Position Description:Software Engineer — back-end software developer with a strong background   in PHP and database management. The ideal candidate should have at least 6 years of experience delivering advanced solutions for multi-tier, distributed   web applications. Skilled in computer software development, applying principles and techniques of...

Who Our Client Is: Our client builds the geolocation compliance layer for regulated online sports betting and gaming. Before an operator can accept a wager, it must prove the player is physically located where the law requires and show this to a regulator on demand. Our client solves this in real time and at scale for some of the largest betting operators...

ABOUT OUR COMPANY We are a young and energetic software company, currently seeking to grow our amazing team! In this position, you will have the opportunity to influence and help the continued development of an innovative Software-as-a-Service product that is aiming to revolutionize the way quality is measured in the institutions of higher education here in...

Remote Sr or Staff Engineer ($150-$230k) Ruby, Rails, Claude Permanently 100% Remote Job Title: Remote Sr or Staff Software EngineerSalary: $150k-$230k Base + Benefits, 401k, PTORequirements: Ruby/Rails or Python/DjangoOur Tech Stack: Ruby/Rails, AWS, React, TypeScript, Ansible, Terraform, CloudFormation, Linux, Postgres We recently closed out Series C...