Senior Full Stack Engineer (Node.js / React.js)

We are seeking an experienced Senior Full Stack Engineer with deep expertise in Node.js and React.js to design, develop, and support enterprise-scale web applications. The ideal candidate has extensive experience building modern, scalable applications using JavaScript technologies and RESTful APIs while working in an Agile environment.

Note: Candidates must be eligible to obtain and maintain a Public Trust Clearance prior to starting.

Responsibilities

• Architect, design, develop, and maintain modern web applications using Node.js and React.js.
• Build responsive single-page applications (SPA) and secure RESTful APIs.
• Develop scalable backend services using Express.js and related technologies.
• Troubleshoot and resolve issues across frontend, backend, middleware, and database layers.
• Write clean, maintainable, and high-quality code following software engineering best practices.
• Participate in Agile ceremonies including sprint planning, daily stand-ups, backlog refinement, retrospectives, and demos.
• Collaborate with cross-functional teams to deliver enterprise solutions.
• Mentor junior developers and contribute to technical design discussions.

• 10+ years of professional software development experience.
• Strong hands-on experience with:
• Node.js
• React.js
• JavaScript/TypeScript
• Express.js
• Redux or Flux
• Extensive experience developing RESTful APIs.
• Strong understanding of frontend architecture and backend design patterns.
• Experience with PostgreSQL, including complex SQL queries and query optimization.
• Experience working in Agile (Scrum/Kanban) development environments.
• Strong debugging, analytical, and problem-solving skills.
• Excellent communication and collaboration abilities.
• Experience mentoring software engineers.

Preferred Qualifications

• HTML5 and CSS3
• Bootstrap
• MobX
• Jenkins and CI/CD pipelines
• Docker
• Red Hat OpenShift
• Git and Bitbucket
• PostgreSQL
• Redis or ElastiCache
• SOLR
• AWS Cloud
• NGINX
• SonarQube
• VS Code
• Jest, Mocha, Chai, Selenium, Supertest
• Performance tuning of enterprise applications
• DevOps best practices
• SAFe Agile methodology
• Experience leveraging AI-assisted development tools to improve engineering productivity, * Master’s degree with 5+ years of relevant experience, or
• Bachelor’s degree with 7+ years of relevant experience, or
• 13+ years of equivalent professional experience.

Work Authorization & Location

• Must be able to obtain and maintain a Public Trust Clearance.
• Must be able to work onsite in Woodlawn, MD, five days per week.