Senior Front-End Engineer - React (SCI/Poly)

Momentumcareers; Maryland; On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

11 paid holidays

≥3 weeks PTO

Company-sponsored medical plan

Dental, vision, life insurance

Job summary

Momentum Engineering, Inc. seeks an experienced Software Engineer (Front-End / React) to join a mission-focused Agile team supporting Intelligence Community programs.

You will design, develop, and enhance modern web applications that power mission-critical services for a broad user base. The ideal candidate will bring strong React/JavaScript expertise, hands-on front-end development experience, and a commitment to secure, high-performance interfaces within an enterprise environment.

Qualifications

• Active Top Secret/SCI clearance with NSA Full Scope Polygraph.
• 14+ years of experience as a Software Engineer on similar scope programs.
• Bachelor's degree in Computer Science, Mathematics, Engineering, Statistics, Engineering Management, or a related technical discipline; four (4) additional years may substitute for the degree.
• Hands-on experience developing front-end applications using React.
• Strong proficiency with JavaScript, HTML5, and CSS3.
• Experience in Agile software development environments.
• Excellent written and verbal communication skills.

Responsibilities

• Design, develop, test, and maintain modern, responsive front-end applications using React and JavaScript.
• Develop reusable, component-based user interface solutions that improve performance, scalability, and maintainability.
• Collaborate with back-end developers, system architects, UI/UX designers, and stakeholders to implement end-to-end solutions.
• Enhance existing enterprise applications by introducing modern front-end frameworks, design patterns, and UX improvements.
• Participate in requirements analysis, software design, implementation, integration, testing, deployment, and sustainment activities.
• Perform peer code reviews and contribute to software quality, security, and development best practices.
• Troubleshoot application issues and implement front-end performance optimizations.
• Support the modernization of an established codebase while ensuring operational continuity.
• Develop and maintain technical documentation supporting software designs, interfaces, and implementation activities.
• Participate in Agile ceremonies including sprint planning, backlog refinement, code reviews, demonstrations, and retrospectives.
• Continuously evaluate emerging front-end technologies and recommend improvements to development processes and application architecture.

Skills

React

JavaScript

HTML5

CSS3

Agile

Front-end development

Communication

Education

Bachelor's degree in Computer Science, Engineering, Mathematics, or related

Tools

Redux

TypeScript

GitLab

RESTful APIs

Job description

Momentum Engineering, Inc. seeks an experienced Software Engineer (Front-End / React) to join a mission-focused Agile team supporting Intelligence Community programs.

You will design, develop, and enhance modern web applications that power mission-critical services for a broad user base. The ideal candidate will bring strong React/JavaScript expertise, hands-on front-end development experience, and a commitment to secure, high-performance interfaces within an enterprise environment.