Front-End Developer

Front-End Developer

E-INFOSOL LLC is seeking a highly motivated Front-End Developer to be a full-time employee in Washington, DC to join our innovative and customer solutions focused team.

The Front-End Developer will contribute to the design, development, and maintenance of modern, user‑focused web applications that support mission operations. You will build responsive and high‑performance interfaces using React, TypeScript, JavaScript, Node.js, HTML, and CSS, ensuring seamless integration with .NET backend services and AWS‑hosted environments. In this role, you will collaborate closely with UX designers, backend engineers, and product teams to implement clean, maintainable components and deliver intuitive user experiences. You will participate in code reviews, uphold coding standards, troubleshoot UI issues, and support continuous improvements across the application stack. Your technical expertise, problem‑solving skills, and attention to detail will play an important role in delivering secure, scalable, and reliable front‑end solutions for our customers.

• Build responsive, high performance user interfaces using Node.js, React, JavaScript, TypeScript, HTML, and CSS
• Develop modular, maintainable UI components aligned with modern front end engineering practices
• Integrate front end applications with backend .NET services using REST APIs, JSON, and XML
• Implement client-side state management and optimize rendering for scalable, enterprise-grade applications
• Collaborate with UX/UI designers and backend engineers to ensure seamless end-to-end functionality
• Participate in code reviews and enforce standards for readability, quality, and maintainability
• Use Git and GitLab for version control, branching strategies, and merge request workflows
• Ensure front end applications meet accessibility, security, and performance requirements
• Troubleshoot and resolve UI issues across environments and browsers
• Work within AWS cloud-hosted environments and support deployments as part of the overall delivery team.

• Active Top-Secret clearance with capability to obtain SCI/CI Poly if needed to meet contract requirements.
• Bachelor's Degree in Information Technology or a related field of study.
• Minimum 8 years of experience
• 3 years of experience developing modern front-end applications using React, Node.js, JavaScript, and TypeScript
• Hands-on experience building UI components with HTML, CSS, and responsive design techniques
• Experience integrating with REST APIs and working with JSON and XML data formats
• Familiarity with Node.js for development tooling, build processes, or backend integration tasks
• Proficiency with Git and GitLab for source control, versioning, and collaboration
• Ability to work within cloud environments, preferably AWS, as part of a full-stack delivery pipeline
• Strong understanding of front-end performance optimization, browser behavior, and debugging
• Ability to collaborate with cross-functional teams and communicate technical concepts clearly.

• Experience with YAML and CI/CD pipeline development (GitLab CI preferred)
• Exposure to.NET ecosystems and how front-end applications integrate with backend services
• Experience with automated testing frameworks for UI (Jest, React Testing Library)
• Familiarity with accessibility standards (Section 508, WCAG)
• Experience supporting cloud-native architecture in AWS.

E-INFOSOL is a Service Disabled and Veteran Owned Small Business (SDVOSB) located in the Washington, D.C. metropolitan area. We specialize in building modern and tailored solutions to support our customers' mission. As a mission-first organization, we deliver Subject Matter Expertise (SME) in cloud computing, virtualization, cyber security, software development and data services. We support the Intelligence Community, Department of Defense, Federal Law Enforcement, Civilian Agencies and the Private Sector.

Through strategic partnerships with top industry players such as Amazon Web Services (AWS), Broadcom, Microsoft and Cisco, E-INFOSOL provide an array of IT products and solutions. Combined with our industry expertise, we deliver in-depth knowledge on Government requirements and fully understand NIST and DoD security requirements. Our expertise in the latest technologies combined with our understanding of infrastructure needs and security requirements provides the best combination for achieving innovative and secure environments for Government Agencies and Private Sector.

Putting People First, Achieving our Mission Together. E-INFOSOL is a people-first organization focusing on a positive employee culture that inspires creativity and innovation in support of our customers. With opportunities such as reimbursement and bonuses based on completion of certifications, we invest in our employees' career growth.

• Medical – 100% company paid premiums for employees with dependent options.
• Dental and Vision
• Retirement Savings (401k) up to 4% match
• Health Savings Account (HSA), FSA and DCFSA
• Company-paid Short/Long-term disability (w/ additional supplemental options)
• Company-paid Life and AD&D (w/ additional supplemental options)
• Generous Paid Time Off and ALL 11 Federal Holidays
• Legal and Identity Protection Services
• Bonuses for certifications and reimbursement

• UberOne, Company Outings (Sporting events, Happy Hours, etc.), Discounts on services including Pet Insurance

• SBA 8(a) Certified
• SDVOSB
• GSA Contract Holder
• Inc. 5000

E-INFOSOL LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.