Senior Frontend Engineer, Geospatial & Real-Time Web Apps

BluJuniper; Arlington (VA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health, dental, and vision coverage

Performance bonuses

Stock options

Flexible hybrid work environment

Significant technical ownership

Opportunities for professional growth

Job summary

BluJuniper, Inc. is seeking an experienced Frontend Engineer to design, implement, and optimize sophisticated geospatial web applications in React and TypeScript.

You will craft interactive maps and data‑dense interfaces, collaborating with backend, AI/ML, and product teams to deliver integrated capabilities. The role emphasizes performance, reusable UI components, and frontend architecture, with a focus on multi-user real-time collaboration and secure, scalable designs.

Qualifications

• 5+ years of professional frontend software engineering experience.
• Strong proficiency in React, TypeScript, JavaScript, HTML, and CSS.
• Professional experience developing interactive geospatial or mapping applications.
• Hands‑on experience with deck.gl, MapLibre, Mapbox, MapTiler, or comparable web mapping and visualization technologies.
• Understanding of geospatial data formats, coordinate systems, map layers, and rendering techniques.
• Experience developing multi-user applications, including shared application state, real-time synchronization, and concurrent user interactions.
• Experience building complex, data-intensive, or real-time web applications.
• Strong understanding of frontend architecture, performance optimization, component design, and state management.
• Experience integrating REST APIs and Server‑Sent Events (SSE) with backend services.
• Ability to work independently and collaborate effectively with engineering teams.
• Legally authorized to work in the United States.
• Ability to obtain and maintain a U.S. government security clearance.

Responsibilities

• Design, develop, and maintain sophisticated web applications using React and TypeScript.
• Build interactive geospatial interfaces using modern mapping and visualization libraries.
• Develop responsive, high-performance interfaces for complex, data‑intensive applications.
• Build multi-user applications that support shared state, real-time updates, and concurrent interactions.
• Integrate geospatial data, REST APIs, and real-time data streams into frontend applications.
• Optimize rendering performance, responsiveness, and usability.
• Develop reusable UI components and contribute to frontend architecture and engineering standards.
• Collaborate with backend, AI/ML, and product teams to deliver integrated software capabilities.
• Participate in technical design discussions, code reviews, and testing.

Skills

React

TypeScript

JavaScript

HTML/CSS

Geospatial Web Apps

Deck.gl

MapLibre

Mapbox

MapTiler

Real-time / multi-user

REST APIs & SSE

Frontend architecture

Security clearance (US)

Tools

Deck.gl

MapLibre

Mapbox

MapTiler

WebGL

Job description

BluJuniper, Inc. is seeking an experienced Frontend Engineer to design, implement, and optimize sophisticated geospatial web applications in React and TypeScript.

You will craft interactive maps and data‑dense interfaces, collaborating with backend, AI/ML, and product teams to deliver integrated capabilities. The role emphasizes performance, reusable UI components, and frontend architecture, with a focus on multi-user real-time collaboration and secure, scalable designs.