frontend developer - react jobs in Philadelphia

Job Description: The Profile • 10+ years front-end / full-stack; 8+ years hands-on React. • Works independently with light direction; product-minded; banking / financial services a plus. • 5+ years leading and mentoring developers. Must-Haves • React 18 (hooks, modern patterns) + strong TypeScript (ES2020+, generics). • Webpack 5 Module Federation...

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...

Why This Role Matters:We are seeking a skilled and experienced Full Stack Engineer to join our team with a strong focus on AWS cloud-based development and deployments. You will play a crucial role in designing, developing, and maintaining scalable web applications deployed on AWS infrastructure. Your expertise in cloud-native development, containerization,...

Are you an experienced full stack developer (React Node) looking to work on our cutting-edge frontends for a healthcare mission driven organization?Are you a collaborative Sr Software Engineer with an automation mindset — someone who looks for ways to build tools, agents, or AI-assisted workflows to multiply your own and your team's impact?About the role...

Are you an experienced full stack developer (React Node) looking to work on our cutting-edge frontends for a healthcare mission driven organization?Are you a collaborative Sr Software Engineer with an automation mindset — someone who looks for ways to build tools, agents, or AI-assisted workflows to multiply your own and your team's impact?About the role...

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities. At Lumen, you’ll work on infrastructure customers rely on...

Job Description Job Description 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...

Join a rapidly growing global commerce technology organization that powers some of the world's largest enterprises. This full-time opportunity is ideal for a seasoned software engineer with deep expertise in .NET, SQL Server, and modern front-end frameworks such as React and Angular. Operating within a highly secure, enterprise-scale environment, you'll help...

Job Title – FULL STACK DEVELOPER ( REMOTE ) – but must live in Maryland. Locations – Suitland, Maryland ( REMOTE ) Base Salary – $150,000 – $170,000 Client: U.S. Department of State and the U.S. Secret Service *** CLIENT NOTES ( Read This ) *** ** Do not submit backend candidates NEED production frontend experience. **Must have active...

W2 only - no C2C allowed Title: Software Engineer IIIPay: $60 per hour Type: Fully Remote EST or CSTDuration: 6 month contractPosition Overview:As a Software Engineer III, you will play a key role in building and maintaining robust, scalable, and secure web applications. You will work in a dynamic and fast-paced environment, collaborating with...

About Sunthetics Sunthetics is a no-code platform for AI-guided experimentation that allows chemical R&D teams to reach better results in record time. Our AI engine learns from as few as five data points, runs transparently rather than as a black box, and requires no data-science expertise to use. Teams at companies like Merck, FMC, and J-STAR use Sunthetics...

Super Day Hiring Event Specific Job PostingIt's an accelerated hiring event that will give recent graduates the unique opportunity to land this role in just one day! We will host it on November 12th at Perpay HQ in Philadelphia. Selected candidates will tour the office, meet the team, and experience a fast-tracked interview process. Attendance is...

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...

Head of Front End About the Company Lead the front-end strategy for a scalable B2B casino platform and B2C products. Industry Gambling & Casinos Type Privately Held About the Role The Company is seeking a Head of Front End to lead the development of a new, scalable B2B platform and ensure the performance and security of its B2C products. The...

Job Description Job Description About Markup AI Markup AI is pioneering the AI content governance category with the industry's first Content Guardian Agents™—AI-powered agents that automatically scan, score, and rewrite content to ensure it meets brand, compliance, terminology, and quality standards before it goes live. Purpose-built for AI-first...

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 MongoDB Atlas team is a diverse group of contributors working together to help our users manage MongoDB at global scale. We are responsible for MongoDB Atlas: our database as a service offering and fastest growing product which allows users to deploy fault-tolerant, globally distributed MongoDB clusters in just minutes.We're seeking a Senior Engineer to...

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...

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...

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,...