react frontend engineer jobs in Philadelphia

AfterQuery is looking for experts with experience in software engineering, computer science, or app/web development to help train and evaluate AI models. This is a remote, project-based role: qualify once through a single assessment and receive ongoing project matches spanning code review, evaluation, and original task creation. Pay ranges from $50 to...

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...

An industry-leading platform company is seeking a Senior Software Engineer. This full-time opportunity offers the chance to work with .NET, SQL Server, React, Angular, TypeScript, and modern web technologies while developing enterprise software solutions that support organizations across retail, hospitality, healthcare, financial services, and other major...

Join a well-established software company delivering digital solutions across multiple industries. This is an opportunity to work with emerging technologies and gain exposure to multiple technology stacks. This is a senior-level role for a Java developer with deep Spring Boot experience who is passionate about craft and continuously leveling up outside of...

Whiskey Social is a mobile app for whiskey fans. I'm hiring one senior React Native engineer: contract, remote within the US, starting in October.Direct contract with you only. No agencies, C2C or subcontracting.You'd be the only engineer, working directly with the founders, Adam Bancroft and Jerry Corley, and me (Aaron McElroy, Chief Product Officer).What...

Job Title: Principal Software Architect Location: Remote (United States) Employment Type: Full-Time About the Opportunity We are seeking a Software Architect to lead the design and evolution of scalable, secure, and high-performance enterprise applications. This role will define architecture standards, drive technical strategy, mentor engineering teams, and...

Senior Full Stack EngineerLocation: Remote USAEmployees: 30Team Size: 15Reporting To: VP Core EngineeringIndustry: Cloud TechnologyWe’re seeking an experienced Senior Full Stack Engineer to help build and scale cloud-based applications, developer platforms, and supporting infrastructure. This role will work across the frontend and backend, develop...

Principal Software Engineering Manager Compensation: $230-270k Base Salary + Meaningful Equity Location: Seattle Area Strongly Preferred (Fully Remote) We're partnering directly with the SVP of Engineering at a data-infrastructure company to find a player-coach who wants meaningful ownership of both a product and a small engineering team. The company...

QA Engineer Start Date: As soon as possible, but open to discussion Type: Full-time Reports to Head of Engineering Compensation: $95,000-$105,000 About Us de Anda Capital is an independent sponsor and family office with over 140 deals and over 3 billion USD in investor value creation. We are based in Los Angeles, California and New York City, New York. Our...

The Role: Lead Engineer At Domain Money We're looking for a full-stack Lead Engineer to own large product and infrastructure projects across our planning platform, for our clients and the financial planners who serve them. You'll work directly with our executive team and senior leadership as you design systems, ship production software, and raise the quality...

At Guac, we're solving grocery food waste with AI. We forecast exactly how much of each product will sell, helping grocery retailers order and produce the perfect amount of inventory — and we're building AI-native tools that put those forecasts directly into the hands of store operators and buyers. The grocery industry is enormous (it accounts for 4% of...

Remote / 175-190k / NYC Metro Area We're looking for a Lead Mobile Engineer who thrives at the intersection of hands-on development, technical leadership, and product innovation. This is not a role for someone who wants to manage from the sidelines. We're seeking a builder, an architect, and a mentor who can drive execution while shaping the future of our...

Role SummaryURBN is seeking Software Engineer III to join the development of AI-powered digital experiences.We are seeking an experienced front-end Engineer to join our mission of integrating algorithmic solutions with creative tools. In this unique opportunity, you will use your front-end engineering skills to implement UX experiences, integrate with...

About Ascendion Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients....

Senior Software Engineer, Frontend Philadelphia, Pennsylvania, United States 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,...

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 Description FE.Oi is a technology-driven organization focused on building modern, user-centric web applications. The team values clean design, reliable performance, and maintainable code that can scale with growing product needs. Collaboration, knowledge sharing, and continuous improvement are central to how work is . The company supports remote...

DescriptionWe’re looking for an experienced, fullstack engineer, passionate about social impact, who can help us build our vision of a nimble global emergency response program. This role requires strong technical knowledge, hands-on software development, and seamless collaboration with many functions. We are a small team working in an evolving space, so...

Staff Frontend Engineer – Forward Deployed | Remote Remote working is available but candidates must be on Eastern Timezone either US or Canada. I'm partnering with a fast-growing, AI-native insurtech platform that connects specialty insurers with the capital behind them. They operate across more than 20 countries, are well backed, and are building small,...

This position supports a U.S. federal government contract requiring U.S. citizenship and eligibility to obtain a Public Trust clearance. ABOUT THE ROLE iAdeptive Technologies is looking for a Lead Portal Engineer to own a user-facing portal end-to-end — the front-end architecture, the APIs and services behind it, and the human-centered design process...