Internship Backend Developer Node Js Jobs in Ashburn, VA

Company Overview

K.L. Scott & Associates (KLSA) is a mission-driven management and technology consulting firm that partners with public-sector organizations to modernize operations, strengthen data and AI capabilities, and deliver measurable impact. KLSA combines strategic advisory services with hands-on delivery; bringing product leadership, secure data engineering, systems integration, and user-centered design to help clients translate complex requirements into scalable, high-quality solutions.

Position Overview

We are seeking a Full Stack Developer to design, build, integrate, and support responsive, web-based financial management applications. The ideal candidate will have at least 5 years of experience delivering business applications and will understand front-end design, back-end logic, workflow automation, data modeling, APIs, security, testing, and deployment.

This role will support financial management solutions for budget formulation and execution tools, financial planning and analysis applications, spend tracking systems, workflow automation, and related enterprise finance applications.

The ideal candidate will reside in or within commutable distance to Washington DC.

Full Stack Developer

Key Responsibilities: 

• Design, develop, configure, and maintain responsive web-based applications.
• Function as a full-stack developer across user interfaces, back-end workflows, data models, business rules, integrations, and application security.
• Build the Interface: Develop a highly dynamic, customizable web UI that allows users to adjust financial variables, toggle scenarios, and view projections.
• Develop API Layers: Design and implement robust RESTful APIs or GraphQL (AWS AppSync) endpoints to connect the UI to existing backend data structures.
• Manage Complex State: Implement client-side state management to handle intricate user configurations, user permissions, and real-time math calculations.
• Implement Data Grids: Build Excel-like, high-performance data tables that allow users to input, sort, and filter massive financial datasets seamlessly.
• Collaborate with Data Teams: Partner with our internal ETL and database engineers to consume data pipelines and ensure smooth data flow to the UI.
• Support data modeling, data validation, data transformation, and integrations with structured data sources.
• Perform unit testing, system testing, troubleshooting, debugging, and performance optimization.
• Participate in Agile or iterative development activities, including sprint planning, backlog refinement, demos, and retrospectives.
• Create and maintain technical documentation, user guides, configuration documentation, data dictionaries, and deployment notes.
• Support application lifecycle activities, including release management, production support, enhancements, and user adoption.
• Ensure applications follow security, accessibility, usability, and data governance policies.

Required Qualifications: 

• Minimum of 5 years of professional experience in application development, full-stack development, and/or enterprise business application delivery.

Core Web Technologies and Styling

• Semantic HTML5: Deep understanding of semantic markup to ensure proper document structure, searchability, and clear data hierarchy.
• Modern CSS3: Mastery of modern styling techniques, including Flexbox, CSS Grid, and responsive design principles for diverse monitor setups.
• CSS Frameworks & Preprocessors: Experience with Tailwind CSS, Bootstrap, or SASS/LESS to maintain clean, scalable, and consistent styling across complex UIs.

Frontend Frameworks, UI Architecture, and Backend Development

• Frontend Frameworks: 3+ years of professional experience with React.js, Vue.js, or Angular.
• State Management: Mastery of client-side state tools (e.g., Redux, Zustand, Context API) to track complex user inputs.
• Advanced Data Tables: Experience implementing heavy-duty UI grid libraries like AG Grid, Handsontable, or similar.
• Backend Development: Proficiency in server-side languages—preferably Python (FastAPI/Django) or Node.js—to build custom application logic.

Preferred Qualifications: 

• BS/BA degree in Computer Information Systems, Computer Science, Information Technology, Software Engineering, or a related field, or equivalent professional experience.
• Experience developing financial management tools for federal, state, local, nonprofit, or enterprise environments.
• Experience integrating applications like AWS QuickSite and Azure Power BI with enterprise financial databases.
• Experience with Agile, Scrum, and Sprints
• Experience working on a team that uses Confluence or Jira for user stories.
• Experience with role-based security, data governance, accessibility standards, and responsive design best practices.
• Experience in finance, accounting, and enterprise budgeting.
• Federal government, public sector, or regulated environment experience is a plus.

Desired Skills and Competencies

• Strong analytical and problem-solving ability.
• Ability to bridge business needs and technical solutions.
• High attention to detail, especially in financial and data-driven applications.
• Strong communication, documentation, and stakeholder engagement skills.
• Ability to manage competing priorities in a fast-paced environment.
• Commitment to quality, usability, security, maintainability, and continuous improvement.

Benefits:

• Competitive salary
• Health, dental, and vision insurance
• 401K
• "Discretionary" PTO
• Professional development opportunities
• A dynamic and collaborative work environment

Working Environment:

This role will support a federal client and requires collaboration with client stakeholders, public safety subject matter experts, business analysts, senior data analysts, dashboard developers, and project leadership. The Data Analyst will help transform raw data into usable datasets, dashboards, reports, and visual insights that support operational and leadership decision-making.

If you are a results-driven professional and have the above qualifications, we encourage you to apply for this position.  Join our team and contribute to our continued growth and success.  To apply, please send your resume and a cover letter detailing your relevant experience and why you are the ideal candidate for this role.

K.L. Scott & Associates is committed to diversity and inclusion and welcomes candidates from all backgrounds and experiences to apply. We thank all applicants for their interest, but only those selected for an interview will be contacted.