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/PhD in Computer Science 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 like Plotly.js or D3.js
  • Strong CSS and styling skills with experience in UX principles
  • Understanding of accessibility standards (WCAG 2.1)
  • Experience with state management patterns and frontend architecture
  • Familiarity with WebSocket or server-sent events

Responsibilities

  • Build and maintain the workbook/worksheet UI with conversation management and file workspace browser
  • Implement rendering pipelines for various content types such as Markdown and interactive Gantt charts
  • Develop domain-specific UI components
  • Create skills autocomplete system and mode selector interface
  • Implement the Data Explorer UI panel for browsing and filtering databases
  • Design responsive, accessible interfaces for desktop and tablet
  • Optimize frontend performance for large datasets and collaborate on interactive chart components

Benefits

  • Comprehensive benefits package including health, dental, and vision insurance
  • 401(k) with company match and employer contribution
  • Generous paid time off policy including vacation and holidays
  • Professional development opportunities and training programs
  • Flexible work arrangements and remote work options
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.

Similar Jobs

More Jobs at Joint Activities

More Consumer Technology Jobs

Find similar Front-End Engineer jobs: