Frontend Developer

NO C2C!!!MUST BE LOCAL TO MD!!!Alderson Loop is seeking a Front-End Engineer to support a large-scale modernization initiative for a leading payroll and benefits organization. This role is ideal for a React-focused developer who thrives in fast-paced environments and enjoys building modern, scalable applications from the ground up.The team is transitioning from a long-standing legacy .NET monolith into a modern React + AWS-driven platform, and they are looking for someone who can help accelerate that transformation. The ideal candidate is someone with strong React experience, solid front-end fundamentals, and the ability to work from loose requirements while helping shape the future of the platform.This person will work closely with senior engineering leadership and broader product and development teams to build polished, user-friendly solutions while contributing to a highly collaborative, startup-like environment.Key ResponsibilitiesFront-End DevelopmentDesign, build, and enhance modern front-end applications using React and JavaScriptSupport the development of a next-generation platform built on top of an existing legacy systemCreate scalable, maintainable UI components and front-end architectureHelp improve usability, accessibility, and overall user experience across customer-facing applicationsProduct & Design CollaborationWork from product specs, examples, and general direction rather than fully refined design handoffsBring strong UI/UX judgment and design awareness to help shape the final productCollaborate with product owners and engineering teams to iterate quickly and improve functionalityModernization & InnovationSupport the transition from legacy .NET systems to a modern cloud-native environmentLeverage AI tools, coding assistants, and agentic workflows to improve development speed and efficiencyHelp establish repeatable front-end patterns, scalable workflows, and stronger development practicesCross-Team CollaborationPartner closely with lead engineers, product owners, and technical leadershipOccasionally support or integrate with legacy .NET environments when neededParticipate in a highly collaborative, Agile-style delivery environment with fast iteration cyclesRequired Qualifications5+ years of experience in front-end engineering or full stack development with strong front-end focusStrong hands-on experience with React and modern JavaScript developmentAbility to build polished, scalable front-end solutions beyond basic forms and page layoutsStrong understanding of UI/UX principles and ability to work from loosely defined requirementsComfortable working in fast-paced environments with evolving prioritiesStrong communication skills and ability to collaborate across technical and non-technical teamsTeam-oriented mindset with the ability to move quickly and independentlyPreferred QualificationsExposure to AWS environments and cloud-native application developmentFamiliarity with serverless concepts such as Lambda and modern cloud architecture patternsExperience with design systems, reusable UI patterns, or tools like StorybookExposure to AI coding assistants, agentic workflows, or AI-enabled development toolsFamiliarity with Python, .NET, or legacy Microsoft environmentsGitHub, portfolio, or code samples demonstrating front-end work