Full Stack Engineer

Full Stack Engineer

Location: Arlington, Virginia (Onsite)

Candidates must be able to obtain and/or maintain a Department of Defense TS/SCI clearance as a condition and continuation of employment.

Role Overview

We are seeking a Full Stack Engineer for a front-end focused role that involves building modern user interfaces and component-based applications. The ideal candidate will be a product engineer with experience in real-time applications and an interest in building AI-enabled user experiences for federal customers. This position requires operating within a consulting environment and collaborating directly with customers.

Key Responsibilities

• Build modern user interfaces and component-based applications with a strong focus on React and TypeScript.
• Develop real-time applications using technologies such as WebSockets and Server-Sent Events (SSE) for streaming data and event-driven interfaces.
• Connect front-end applications to APIs, microservices, and cloud platforms while ensuring performance and scalability.
• Implement modern software delivery practices, including Test-Driven Development (TDD), using tools like Playwright, Cypress, and Jest.
• Develop AI-enabled products, such as copilots, conversational UIs, and workflow-based applications.
• Collaborate directly with customers in a consulting capacity to deliver scalable solutions.

Required Qualifications

Technical Skills: A strong foundation in React and TypeScript is required. Experience with real-time application development tools such as WebSockets and SSE is necessary. Proficiency in testing frameworks like Playwright, Cypress, and Jest is also required.

Preferred Qualifications

• Experience building AI-enabled products, copilots, or conversational UIs.
• Background in consulting or client-facing engineering roles.
• Familiarity with modern engineering practices over traditional government contractor methodologies.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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