Jr. React Developer

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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.

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 currently supporting a US Federal Agency to modernize a critical website by leveraging open-source technologies following agile principles. The cloud-based application includes middleware microservices, front-end user interfaces, and backend databases/APIs.

MetaPhase is seeking a Front End (React) Developer with 4+ years of experience to join a cross-functional agile development team to deliver a custom cloud application in support of a critical federal program. The developer will contribute to development tasks and activities which will include creating user interfaces and API/web services. The solution will be built in a cloud environment and will be integrated with multiple external systems. The developer will be responsible for collaborating within an agile team (requirements, designers, testers) and client stakeholders (product owner, end-users) to understand user stories and implement assigned user stories.

What You Will Be Doing:

• Collaborate with customer product owners and a cross-functional agile team to support working sessions and to evaluate, define, and prioritize requirements/features/user stories
• Design and build React components and pages with TypeScript, modern CSS, and USWDS patterns
• Translate UX and content requirements into accessible interfaces that meet WCAG 2.1 AA
• Integrate front end features with REST or GraphQL APIs, including authentication and error handling
• Partner with product, design, content, security, and DevOps to plan and deliver increments in Scrum
• Improve performance and reliability, measure with Lighthouse and WebPageTest, and track Core Web Vitals
• Write unit and integration tests with Jest and React Testing Library, maintain high coverage
• Participate in code reviews, contribute to shared component libraries and design systems
• Support CI/CD pipelines and DevSecOps practices, including dependency scanning and SAST
• Create and maintain technical documentation, contribute to ATO and change control artifacts as needed
• Provide on call or release support during business hours, and limited after hours support during scheduled deployments

What We Need From You (Required):

• 4+ years of professional front end development experience, or equivalent
• 3+ years building production applications and/or websites with React, including React 18 features and hooks
• Proficiency with TypeScript, modern CSS approaches, and responsive design
• Hands on experience implementing Section 508 and WCAG 2.1 or 2.2 AA, including automated and manual testing
• Experience with the U.S. Web Design System, or a comparable design system at scale
• Strong API integration skills, REST or GraphQL, and handling of auth flows and pagination
• Solid testing practice, Jest and React Testing Library
• Git based workflows, pull requests, trunk or GitFlow, and feature flags
• Agile delivery experience, Scrum or Kanban, and user story collaboration
• Excellent communication skills and the ability to work directly with federal stakeholders

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:

• 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.

Web Reference : AJF/927208979-202

Posted Date : Mon, 23 Feb 2026

Please note, to apply for this position you will complete an application form on another website provided by or on behalf of MetaPhase. Any external website and application process is not under the control or responsibility of IT JobServe