React Developer

Description At MetaPhase, we believe Quirky is Cool and being authentic is the only way to be We take the work we do very seriously and do a lot of important mission-focused work for our clients. We are individuals with different passions and strengths who take as much joy in the work we do as from those we work with. Today, we have a team that is invested in creating new solutions that lean forward, challenge the status quo, but also reflect our intimate knowledge of our customers' business. Over the years we have fostered a culture in which we are united by shared values-passion, solidarity, generosity, curiosity, and boldness-and these come alive in the work we do and how we do it. Together, we know our people are our difference-for our clients and our colleagues. Are you ready to: Work alongside a dedicated and diverse set of people to offer honest advice and practical guidance to our clients? Learn and grow by taking advantage of every opportunity available to you? Be the difference and make it happen? MetaPhase is seeking an experienced Senior Frontend React Developer to join our team. The ideal candidate will have a strong background in designing, building, and maintaining efficient, high-quality, and performant web applications. You will set technical direction for React and TypeScript, ensure accessibility and performance are first class, and mentor a small team of developers. You will partner closely with product, design, security, and DevOps to deliver user centered features that meet federal compliance standards, including Section 508 and use of the U.S. Web Design System. The ideal candidate has a strong grasp of modern React patterns, Core Web Vitals, security minded development, and Agile delivery in a federal environment. What You Will Be Doing: Own front end architecture and standards for React 18 and TypeScript, including component patterns, state management, and routing Design and build accessible interfaces that meet WCAG 2.2 AA, guide automated and manual accessibility testing, and lead remediation plans Integrate with REST and GraphQL APIs, design resilient error handling, and work with backend teams on contract definitions Establish performance budgets, track Core Web Vitals, and drive improvements using Lighthouse and WebPageTest Maintain and extend a design system, USWDS based, including component governance, documentation, and versioning Write and enforce high quality tests, unit and integration, using Jest and React Testing Library, and raise overall coverage Conduct code reviews, mentor mid level and junior engineers, and facilitate technical workshops Contribute to CI/CD and DevSecOps practices, dependency and SAST scanning, and secure supply chain practices Prepare and maintain technical documentation, support ATO inputs, change control, and release notes Collaborate with product and UX on discovery, story slicing, and acceptance criteria, refine epics and prioritize technical debt What We Need From You (Required): 7+ years of professional front end development experience 5+ years building production applications with React, including React 18 features and hooks Strong TypeScript skills, component composition, and modern CSS approaches, CSS Modules or utility first, responsive design Demonstrated leadership in accessibility, Section 508 and WCAG 2.1 or 2.2 AA, including audit experience with tools such as axe and manual screen reader testing Experience with the U.S. Web Design System, or leadership on a comparable design system at scale Proven API integration experience, REST and or GraphQL, auth flows, pagination, caching, and optimistic updates Testing proficiency, Jest and React Testing Library, CI based test gating Git based workflows, branch strategies, and feature flags, experience leading trunk based or GitFlow teams Agile delivery experience, Scrum or Kanban, backlog refinement and release planning Excellent written and verbal communication skills, able to work directly with federal stakeholders and vendors Bonus Points (Desired):Portfolio and/or Github to demonstrate work. Experience with other modern JavaScript frameworks and libraries (e.g., Angular, Vue.js). Knowledge of CSS pre-processors, such as Sass or Less. Experience with build tools and bundlers, such as Webpack, Parcel, or Rollup. Familiarity with testing frameworks and libraries, such as Jest, Enzyme, or React Testing Library. Exposure to web accessibility (WCAG) and internationalization (i18n) best practices. Knowledge of modern web development tools, such as the Chrome DevTools, React DevTools, or Redux DevTools. Work Setup & Travel: Hybrid - Based in Washington, DC. Occasional travel may be required. Clearance & Education: Must be able to obtain Public Trust Bachelor's degree in Information Systems, IT Management, or related field Benefits & Perks: At MetaPhase, we care about your well-being and success. Our benefits include generous PTO, federal holidays, parental leave, and comprehensive health coverage (medical, dental, vision, life, and disability). We also offer a 401(k) with company match, FSA/HSA options, commuter benefits, and much more. About MetaPhase MetaPhase is different with a purpose - demonstrating a new approach to the industry that puts employees and culture first We continue to be recognized by industry as one of the fastest growing and most impactful consultancies in the nation, and are aggressively hiring to grow our team: Best Places to Work Washington Post Top Workplaces - 2022, 2023 Washington's Business Journal's Best Places to Work - 2021, 2022 Virginia Businesses Best Place to Work - 2021, 2022, 2023 Northern Virginia Technology Council Top 100 Technology Firms - 2020 MetaPhase is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability or veteran status, or any other factors protected by federal, state, or local law. #dice #LI-Hybrid