Senior ZNdTw-KX4 yQXBmYca Engineer (UI/UX) — Washington, DC

Job Type

Full-time

Description

2cMdMbC 6tKCH, j5m. (SFI), a two-time USA Today Top Workplaces awardee and Washington Top Workplaces honoree, is seeking Senior udnvU-zXE hAM8xt8T Engineers to support our Federal Government customer. This role supports one of DOT's NHTSA initiatives — a modern, cloud-based platform that empowers data sharing, business intelligence, and advanced analytics through AI and machine learning capabilities. As a UI/UX-focused Senior Software Engineer, you will play a critical role in designing and developing dynamic, responsive, and scalable web applications using modern web technologies such as HTML5, CSS3, JavaScript (ES6+), and frameworks like React, Angular, or Vue.js. . You’ll collaborate closely with UI/UX designers, back-end engineers, and data professionals to deliver engaging, intuitive, and high-performance user experiences across complex datasets and analytics tools.

Key Responsibilities

• Design and develop responsive, scalable, and high-performance web applications using Angular (v8+) or React.

• Translate UI/UX wireframes and mockups into high-quality front-end code.

• Design, develop, and maintain scalable, secure web applications, integrating cloud infrastructure via AWS, Azure, or Google Cloud, and implementing CI/CD pipelines (e.g., Jenkins, GitLab CI, GitHub Actions).

• Collaborate closely with UI/UX designers, conducting code reviews, mentoring junior developers, and optimizing existing applications for performance and security.

• Integrate and consume RESTful APIs and external data sources.

• Optimize application performance to ensure fast load times and seamless user experiences.

• Write clean, maintainable, and testable code using TypeScript, HTML5, and CSS3.

• Conduct unit and end-to-end testing with tools such as Jasmine, Karma, and Protractor.

• Collaborate with cross-functional teams in an Agile/Scrum environment.

• Ensure 508 accessibility compliance and cross-browser compatibility.

• Participate in code reviews, maintain CI/CD pipelines (e.g., Jenkins, GitHub Actions), and support ongoing application improvements.

Requirements

• Bachelor’s degree in Computer Science, Information Systems, or a related field. May substitute six (6) years of equivalent professional experience in lieu of a degree.

• 8+ years of experience as a Software Engineer with a focus on front-end development.

• Proven expertise with Angular, React, TypeScript, HTML5, CSS3, and RESTful APIs.

• Experience with GitHub, Jenkins, PostgreSQL, Java, and Node.js.

• Strong understanding of modular code, routing, lazy loading, and performance tuning.

• Experience working in Agile/Scrum and DevSecOps environments using Jira and Confluence.

• Familiarity with AWS cloud services and serverless computing (e.g., S3, Lambda, API Gateway, DynamoDB).

• Strong analytical and problem-solving skills with high attention to detail.

• Excellent written and verbal communication skills.

• Must be able to pass a U.S. Public Trust background investigation (fingerprinting required).

Desired Skills

• Experience with both Angular and React or hybrid front-end frameworks.

• Background in developing UI for customer-facing applications.

• Familiarity with Docker, Kubernetes, and CI/CD pipelines.

• Knowledge of security best practices (OAuth, JWT).

• Experience with Progressive Web Apps (PWAs) or server-side rendering (Angular Universal).

• Federal project experience and understanding of FISMA, FedRAMP, and Section 508 standards.

Additional Information

• Clearance: Must be authorized a US citizen or green card holder and able to obtain a Public Trust clearance. Background checks may include Criminal History, Education Verification, Employment Verification, Professional Certifications, and Credit History. (Public Trust investigations typically take 4–8 weeks and require fingerprinting.)

• Work Environment: Hybrid, with required on-site support as needed.

• Salary Range: $90,000 – $150,000 annually

• Benefits: SFI offers a comprehensive benefits package. Details available at SFI Careers.

• This is a full-time, W2 position.

• No agencies, third parties, or Corp-to-Corp submissions.

• eYHEfjf 9Pywg sTK. is an Equal Opportunity Employer — all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status.

• SFI participates in E-Verify.

Salary Description

$90,000 – $150,000 annually