react frontend developer jobs in Philadelphia

370 react frontend developer job listings in United States. Find daily updated positions from leading job boards.


  • Philadelphia, PA, United States Motion Recruitment Partners, LLC Full-time

    A leading enterprise organization is undergoing a large-scale digital transformation, migrating from a legacy data center environment to Microsoft Azure while rebuilding its API ecosystem, web applications, and mobile applications from the ground up. The organization is seeking two Mid-Level .NET Developers to join a high-visibility modernization initiative...


  • Philadelphia, Pennsylvania, United States Comcast Full-time $65 - $70 Temporary

     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,...


  • Philadelphia, Pennsylvania, United States Docupace Technologies LLC Full-time

    Description Docupace is seeking a Full-Stack Developer remote role, with preference given to applicants in the Philadelphia Metro area. Summary of Position: As a Full Stack Software Developer on the Hubly team, you’ll design, build, and ship features that shape the future of workflow automation in the wealth management industry. You’ll work across the...


  • Philadelphia, Pennsylvania, United States Perpay Full-time

    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...


  • Philadelphia, Pennsylvania, United States Perpay Full-time

    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...

  • Software Engineer

    17 hours ago


    Philadelphia, Pennsylvania, United States Oncora Medical Remote Full-time $80,000 - $120,000 Contract

    Company DescriptionAbout us:Oncora is an oncology software and data company dedicated to helping physicians and scientists collect and use real-world data to improve outcomes for cancer patients. Our machine learning algorithms, which are deployed in active clinical environments, accurately predict oncology outcomes such as unplanned hospitalization,...

  • Java Technical Lead

    18 hours ago


    Philadelphia, Pennsylvania, United States TekCommands Full-time

    Java Technical Lead (Full Stack) Location: Philadelphia, PA Duration: Long Term Role Summary The Java Technical Lead / Architect (Full Stack) will be responsible for leading the design and development of scalable, high-performance applications using Java/J2EE, RESTful APIs, and Spring Boot. This role involves defining technical architecture, guiding...


  • Philadelphia, Pennsylvania, United States HHAeXchange Remote Full-time $140,000 - $160,000 Contract

    HHAeXchange is the leading technology platform for home and community-based care. Founded in 2008, HHAeXchange was born out of an idea to create an end-to-end homecare solution to help people who are aging or have disabilities thrive in their homes and communities. Our employees are passionate about transforming the healthcare space by building the only...


  • Philadelphia, PA, United States Bentley Systems Full-time

    HybridExton, Pennsylvania, United StatesUS Philadelphia Old City OfficeFull timeRC168Software Engineer, Documentation PlatformLocation: Exton, PA or Philadelphia (Hybrid, 3 times a week, in-office)Position Summary:Bentley's documentation platform, docs.bentley.com, helps engineers and infrastructure professionals around the world learn, discover, and get...


  • Philadelphia, Pennsylvania, United States Perpay Full-time $160,000 Contract

    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...


  • Philadelphia, PA, United States EPAM Systems Inc Full-time

    We are looking for anArchitect / Principal Software Engineerto lead the technical direction of our AI Engineering pods. You will split your time between hands-on engineering (about 30% to 40% prototyping core workflows, building reference implementations, and reviewing code) and higher-level system architecture, technical standards, and mentorship across...


  • Philadelphia, Pennsylvania, United States Proscia Full-time

    About Proscia Proscia is revolutionizing pathology, the last major frontier in healthcare to embrace digital. As a leader in pathology AI software, we are empowering pathologists and scientists to transition from traditional microscope-based workflows to digital, AI-driven approaches, unlocking new possibilities in precision medicine. The digital pathology...


  • Philadelphia, Pennsylvania, United States Comcast Full-time $65 - $70 Temporary

    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,...


  • Philadelphia, Pennsylvania, United States CyberThink Full-time

    Job DescriptionWe are looking for a highly energetic and skillful technical leader who can help us re-architect our existing customer / employee facing systems and develop new capabilities in a completely cloud-native environment. This individual will be highly proficient in leading technical teams of both full time and contract employees and have...

  • Software Engineer

    17 hours ago


    Philadelphia, New Jersey, United States CoreWeave Full-time $101,000 - $134,000 Contract

    CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to...


  • Philadelphia, Pennsylvania, United States RELX Full-time $86,600 - $144,400 Contract

    Senior Software Engineer:  Clinical Data Platform · Wellsheet at ElsevierAbout Wellsheet at Elsevier: Wellsheet is a clinical decision support platform used by more than 20,000 providers across 100+ hospitals. We embed directly in the EHR (Epic, Cerner, Athena) and put AI-generated clinical context in front of clinicians at the bedside. In 2026 Wellsheet...


  • Philadelphia, Pennsylvania, United States Pivotal Solutions Full-time

    Position Overview:We are seeking an experienced Senior Backend Engineer with strong Java expertise to join our growing engineering team. The ideal candidate will have a deep understanding of building scalable, resilient, and high-performance backend systems. This individual will collaborate closely with cross-functional teams, helping shape the future of our...


  • Philadelphia, New Jersey, United States CoreWeave Full-time $153,000 - $204,000 Contract

    CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to...


  • Philadelphia, Pennsylvania, United States Elsevier Full-time $86,600 - $144,400 Contract

    Senior Software Engineer:  Clinical Data Platform · Wellsheet at ElsevierAbout Wellsheet at Elsevier: Wellsheet is a clinical decision support platform used by more than 20,000 providers across 100+ hospitals. We embed directly in the EHR (Epic, Cerner, Athena) and put AI-generated clinical context in front of clinicians at the bedside. In 2026 Wellsheet...

  • URBN Software Engineer

    18 hours ago


    Philadelphia, Pennsylvania, United States Urban Outfitters Remote Full-time

    Role Summary URBN is seeking a Software Engineer who will be an integral part of each phase of the software development lifecycle including design, development, deployment and maintenance. The primary focus will be on enhancing our Ecommerceplatforms supporting the online shopping experience for our brands including...