Lead UI Software Engineer

NPAworldwide
Reston, Virginia, United StatesFull-time$150,000–$175,000Posted Sep 16, 2026

About the role

Job Description

We are seeking a talented Lead UI Software Developer with a strong foundation in computer science and an eye for thoughtful UI/UX design.

You will lead a team of 5 developers and designers.

Youll build sophisticated web applications for simulation and optimization software that models complex physical systems.

Youll work alongside Research Scientists and Software Engineers on small, highly collaborative teams, contributing throughout the development lifecyclefrom concept and prototyping through visualization, implementation, testing, and deployment.

This is an opportunity to work on technically challenging problems where software, science, and design intersect.Team members have broad ownership and the flexibility to apply their strengths while developing new skills.

What Youll Do

Design and develop modern, responsive front-end web applications using JavaScript/TypeScript and React

Create intuitive interfaces for complex scientific and engineering applications

Develop data visualizations and interactive tools that help users understand complex models and results

Collaborate with software engineers and research scientists to translate technical requirements into effective user experiences

Prototype, test, troubleshoot, and optimize applications for performance, security, and usability

Contribute across the full software development lifecycle, from early concepts through deployment

Required Qualifications

Bachelors degree in Computer Science or a related technical field

8+ years of relevant UI software development experience along with leadership

Strong experience with JavaScript or TypeScript, React, HTML, and CSS

Experience developing front-end web applications

Experience with UI/UX design or a strong understanding of user-centered design principles

Excellent written and verbal communication skills

US CITIZENSHIP

Preferred Qualifications

Experience with Java or Python

Experience with Spring Boot, Redux, WebGL, or OpenGL

Experience building interfaces for data-intensive, scientific, or engineering applications

Experience with front-end testing and mocking frameworks

Understanding of REST APIs, back-end development, and relational or document databases

Experience optimizing web applications for performance, responsiveness, and security

ACTIVE SECRET OR TOP SECRET CLEARANCE

Why This Role

If you enjoy solving difficult problems, building polished user experiences, and working alongside people who are pushing the boundaries of science and technology, this role offers the opportunity to have meaningful technical ownership from concept to deployment.

Qualifications

What Youll Do

Design and develop modern, responsive front-end web applications using JavaScript/TypeScript and React

Create intuitive interfaces for complex scientific and engineering applications

Develop data visualizations and interactive tools that help users understand complex models and results

Collaborate with software engineers and research scientists to translate technical requirements into effective user experiences

Prototype, test, troubleshoot, and optimize applications for performance, security, and usability

Contribute across the full software development lifecycle, from early concepts through deployment

Required Qualifications

Bachelors degree in Computer Science or a related technical field

8+ years of relevant UI software development experience along with leadership

Strong experience with JavaScript or TypeScript, React, HTML, and CSS

Experience developing front-end web applications

Experience with UI/UX design or a strong understanding of user-centered design principles

Excellent written and verbal communication skills

US CITIZENSHIP

Preferred Qualifications

Experience with Java or Python

Experience with Spring Boot, Redux, WebGL, or OpenGL

Experience building interfaces for data-intensive, scientific, or engineering applications

Experience with front-end testing and mocking frameworks

Understanding of REST APIs, back-end development, and relational or document databases

Experience optimizing web applications for performance, responsiveness, and security

ACTIVE SECRET OR TOP SECRET CLEARANCE

Why Is This a Great Opportunity

We are seeking a talented Lead UI Software Developer with a strong foundation in computer science and an eye for thoughtful UI/UX design.

You will lead a team of 5 developers and designers.

Youll build sophisticated web applications for simulation and optimization software that models complex physical systems.

Salary Type : Annual Salary

Salary Min : $ 150000

Salary Max : $ 175000

Currency Type : USD

Responsibilities

  • Design and develop modern, responsive front-end web applications using JavaScript/TypeScript and React
  • Create intuitive interfaces for complex scientific and engineering applications
  • Develop data visualizations and interactive tools that help users understand complex models and results
  • Collaborate with software engineers and research scientists to translate technical requirements into effective user experiences
  • Prototype, test, troubleshoot, and optimize applications for performance, security, and usability
  • Contribute across the full software development lifecycle, from early concepts through deployment

Qualifications

  • Bachelors degree in Computer Science or a related technical field
  • 8+ years of relevant UI software development experience along with leadership
  • Strong experience with JavaScript or TypeScript, React, HTML, and CSS
  • Experience developing front-end web applications
  • Experience with UI/UX design or a strong understanding of user-centered design principles
  • Excellent written and verbal communication skills
  • US CITIZENSHIP

Skills mentioned

JavaScriptTypeScriptReactHTMLCSSFrontend DevelopmentReduxData VisualizationPerformance OptimizationREST APIs

About NPAworldwide

NPAworldwide is the world’s leading recruiting community, connecting independent recruiting firms across industries and continents to exchange ideas, support one another, and team up to place people together.

Professional Services2-10 employeesGrand Rapids, Michigan