Front-End Engineer

Joint Activities

$86K — $138K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience with a Bachelor's degree, or 3+ years with a Master's degree, or a PhD in Computer Science, UX Engineering, or related field
  • Hands-on experience in front-end engineering
  • Working knowledge of Python
  • Expert in React and TypeScript
  • Experience with data visualization libraries like Plotly.js or D3.js
  • Strong CSS/styling skills and UX principles knowledge
  • Familiarity with accessibility standards (WCAG 2.1)
  • Understanding of state management patterns and frontend architecture
  • Experience with WebSocket or server-sent events for real-time features
  • US Citizenship with the ability to obtain a Secret clearance

Responsibilities

  • Design and maintain the workbook/worksheet UI, focusing on conversation management and artifact preview
  • Implement rendering pipelines for multiple content types including Markdown and interactive visualizations
  • Develop specialized UI components tailored for the domain
  • Create an autocomplete system and enhance user experience with slash-command and mode selector interfaces
  • Build the Data Explorer panel for interactive browsing and filtering of databases
  • Ensure accessibility and responsiveness of interfaces across devices
  • Optimize frontend performance for handling large datasets and complex visuals
  • Collaborate with Engineers on interactive chart components

Benefits

  • Comprehensive health and life insurance
  • Retirement savings plan with matching contributions
  • Flexible work hours and potential remote work options
  • Professional development and training opportunities
  • Generous paid time off and holiday schedule
Full Job Description
Responsibilities

Peraton Labs is seeking a Front-end Engineer to design and implement the user-facing components of a generative AI platform, including the workbook/worksheet interface, artifact rendering pipeline, interactive visualizations, and program management dashboards. The Frontend Engineer ensures a seamless, responsive user experience for analysts and program managers working with complex data.

 

Key Responsibilities

  • Build and maintain the workbook/worksheet UI, including conversation management, file workspace browser, and artifact preview panels
  • Implement rendering pipelines for diverse content types: Markdown, HTML, SVG, Plotly JSON, interactive Gantt charts (.msp.json), and data tables
  • Develop domain-specific UI components
  • Build the skills autocomplete system, slash-command UX, and mode selector interface
  • Implement the Data Explorer UI panel for interactive database browsing and filtering
  • Create responsive, accessible interfaces that work across desktop and tablet form factors
  • Optimize frontend performance for large datasets and complex visualizations
  • Collaborate with Visualization/Dashboard Engineers on interactive chart component
Qualifications

Required Qualifications

  • 5+ years of experience with a Bachelor's degree, 3+ years with a Master's degree, or a PhD in Computer Science, UX Engineering, or related field
  • Hands-on professional front-end engineering experience
  • Working knowledge of Python
  • Expert proficiency in React and TypeScript
  • Experience with data visualization libraries (Plotly.js, D3.js, or similar)
  • Strong CSS/styling skills; experience with UX principles and responsive design
  • Understanding of accessibility standards (WCAG 2.1)
  • Experience with state management patterns and frontend architecture
  • Familiarity with WebSocket or server-sent events for real-time updates
  • US Citizenship with the ability to obtain/maintain a Secret clearance

 

Preferred Qualifications

  • Experience building analytical or BI dashboard interfaces
  • Familiarity with Markdown rendering and code editor components
  • Knowledge of SVG manipulation and animation
Target Salary Range$86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

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