UI/UX Developer

LEXSO LLC
United States
2 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
3 years minimum
Compensation
$75,000.0 - $130,000.0
Working hours
Regular working hours

Tech stack

Java (Programming Language) JavaScript (Programming Language) Web Accessibility Agile Methodology Artificial Intelligence Component-Based Software Engineering Confluence JIRA Code Review Cyber Security DevOps Web Development
+39 more
Github Design of User Interfaces Human-Computer Interaction Interaction Design Oracle Databases Scrum Methodology E2e Testing Next.js Responsive Web Design SAP (Applications) Software Engineering SQL Databases Data Streaming TypeScript Web Applications Web Application Frameworks WebSocket Website Wireframe Extensible Markup Language (XML) Tailwind ReactJS Backend Git Vue.js Sap Fiori SC Clearance Adobe Material UI Kubernetes Information Technology Real Time Data Apache Kafka SAP UI5 Figma Web Technologies Front End Software Development Restful APIs Docker User Administration

Job description

Remote Hiring Remotely in USA Mid level Remote Hiring Remotely in USA Mid level Designs and builds intuitive interfaces for LEXSO’s real-time security operations platform. Responsibilities include developing React and TypeScript components, operational dashboards, geospatial visualizations, alerts, timelines, camera controls, and interactive workflows. The role collaborates with backend and sensor engineers, maintains design systems, translates requirements into testable features, and participates in Agile planning, design reviews, testing, and CI/CD workflows. The summary above was generated by AI Job Summary & Responsibilities

POSITION SUMMARY

We’re seeking multiple UI/UX Developers to join the growing frontend team behind LEXSO (Layered Extended Security Operations)-a modular, microservice-based platform designed to integrate advanced sensors, AI, and automation for enhanced situational awareness and real-time security operations.

As a UI/UX Developer, you’ll help design and build the user interfaces and visual workflows that operators depend on for mission-critical decision-making. Our current frontend stack is built with React, WebSockets, and real-time geospatial mapping via Mapbox-but we’re open to web developers from all backgrounds with a passion for intuitive, data-rich design.

Whether you’re early in your career or bring years of experience, this role offers the chance to contribute meaningfully to a fast-paced engineering team building an ambitious, high-impact platform.

RESPONSIBILTIES

  • Design and implement UI components for our real-time operational dashboard, timelines, alerts, and camera/video controls.
  • Develop and refine user workflows and interactive visualizations (e.g., geospatial overlays, drag/drop control, event timelines).
  • Work with React, TypeScript, WebSockets, and REST APIs-while maintaining flexibility for other modern frameworks.
  • Collaborate with backend and sensor engineers to build intuitive interfaces for complex system automation.
  • Help evolve our design system and component libraries (e.g., shadcn/ui, Tailwind CSS, etc.).
  • Translate user and product requirements into well-structured, testable UI features.
  • Participate in sprint planning, design reviews, and end-to-end testing.
  • Collaborate using Git, GitHub, Figma, Jira/Confluence, and CI/CD pipelines.
  • Work is typically based in a busy remote environment and subject to frequent interruptions. Business work hours are Monday-Friday standard core hours, however some extended or weekend hours may be required.
  • Other duties as assigned., Design and develop accessible, responsive interfaces using React, TypeScript, and Next.js for complex supply-chain workflows and data-heavy applications. Create user journeys, wireframes, prototypes, dashboards, tables, filters, and charts; implement design-system components; optimize rendering and accessibility; write component and end-to-end tests; and collaborate with Product, Design, Backend, and Data Engineering. Mentor frontend engineers, establish standards, support planning, and improve production user experiences. Top Skills: .NetCiFigmaGitJestNext.JsPlaywrightReactReact Server ComponentsTailwind CssTypescriptVitest Businessolver

Software Engineer

3 Days Ago Remote United States 75K-130K Annually Mid level 75K-130K Annually Mid level HR Tech * Consulting Develops, tests, deploys, and supports major software features and services. The role translates product requirements into maintainable technical solutions, makes design and performance trade-offs, performs root-cause analysis, conducts code reviews, improves development and deployment practices, and mentors newer engineers. The position requires collaboration across engineering and product teams and includes working with Java, SQL, XML, web technologies, JavaScript, and Oracle databases. Top Skills: Ai-Assisted Development ToolsAPIsAWSAws LambdaBootstrapCSSEclipse IdeEdiGitHTMLHTML5JavaJavaScriptJIRAJqueryLinuxNosql DatabasesOracleReactReact NativeRelational DatabasesSQLSsoSwiftXMLXsl CACI International Inc, Designs and develops user-centered SAP Fiori interfaces for a defense transportation-management program. Responsibilities include gathering requirements, creating wireframes, mockups, and prototypes, conducting usability testing, ensuring Section 508 compliance, collaborating with developers and stakeholders, and supporting SAP architecture migration to public cloud. The role requires SAP UI5 and Web IDE experience, responsive design knowledge, defense exposure, agile collaboration, and a Secret clearance with U.S. citizenship. Top Skills: Adobe XdCSSFigmaHTMLJavaScriptResponsive DesignSap FioriSap Ui5Sap Web IdeSection 508Sketch

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

  • Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
  • Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
  • Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
  • Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

Requirements

We welcome a wide range of experience levels-from early-career UI developers to more seasoned frontend engineers.

  • 3+ years of experience with JavaScript/TypeScript and modern frontend frameworks (React preferred).
  • Familiarity with responsive design, web accessibility, and component-based UI architecture.
  • Understanding of REST APIs, data modeling, and web-based state management.
  • Strong attention to detail and UX best practices.
  • Collaborative mindset and effective communication skills.
  • Preferred exposure to:
  • React, Next.js, or Vue.js
  • Mapbox, geospatial UI, or real-time data visualization
  • Tailwind CSS, shadcn/ui, or other component libraries
  • WebSockets, pub/sub architectures (e.g., Kafka), or real-time streaming data
  • Figma, design tokens, or UI/UX workflows
  • Docker, Kubernetes, or other DevOps tools
  • Bachelor’s degree in Computer Science/Engineering, Human-Computer Interaction (HCI), Software Engineering, Digital Media, or a related technical/design field is required.
  • Degrees in Interaction Design, UX/UI Design, or Web Development will also be considered

Benefits & conditions

Constellis offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects its commitment to creating a diverse and supportive workplace.

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Apply on www.builtincolorado.com
Prepare application

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