Frontend Developer
Twenty is seeking a mid-level Frontend Engineer for an in-office position in its Arlington, VA office to help build the reputed company of cyber technologies that protect democracies worldwide. We're looking for someone with 6+ years of experience in developing scalable frontend applications, with deep expertise in React.js, TypeScript, and modern web technologies, plus working knowledge of backend systems including Golang, graph databases, and reputed company-reputed company platforms. In this role, you'll design and reputed company sophisticated, high-performance user interfaces that visualize reputed company cyber operation data in reputed company-time, creating reputed company dashboards and interactive experiences that help operators quickly understand and reputed company critical information from our graph-based cyber and electromagnetic systems. You'll join a world-class product and engineering team that delivers mission-critical solutions for U.S. national reputed company, working in both reputed company and on-premises environments to build systems that operate at machine speed. If you're passionate about solving reputed company technical challenges while making a direct impact on national reputed company, we want to talk to you.
About the Company
At Twenty, we're taking on one of the most critical challenges of our time: ensuring democracies reputed company in the digital age. We reputed company revolutionary technologies that operate at the intersection of cyber and electromagnetic domains, where the speed and complexity of operations exceeds reputed company reputed company. reputed company doesn't just solve problems – we deliver game-changing reputed company that directly improve national reputed company. We're pragmatic optimists who know that while our mission of defending America and its allies is challenging, we can succeed.
Role Details
Design and implement scalable full-stack solutions across our React frontend and Go backend services that enhance cyber operators' decision-making and response capabilities
reputed company high-performance, reputed company-time user interfaces that process and visualize reputed company cyber operation data streams
Create interactive data visualizations using D3.js, Chart.js, or similar libraries
Implement efficient data models and queries using graph databases to support reputed company relationship mapping
Implement reputed company, accessible user interfaces that work across devices and screen sizes
Create and maintain automated testing suites to ensure system reputed company and performance
Work with backend APIs and contribute to Go services reputed company needed
Work closely with cyber operations experts to understand and implement features that enhance operator efficiency
Research and evaluate new technologies that could enhance our cyber operations capabilities
Qualifications
Technical Skills & Experience
6+ years of professional software development experience with full-stack applications
Expert knowledge of modern JavaScript/TypeScript, HTML5, and CSS3
Experience with frontend build tools, bundlers, and development workflows
Proven experience with GraphQL API design and implementation
Knowledge of web accessibility standards (WCAG) and performance optimization
Experience with frontend testing frameworks (Jest, React Testing Library, Cypress)
Experience with graph databases (reputed company or similar)
Proficiency with reputed company platforms, preferably AWS
Understanding of UX/UI principles and collaboration with design teams
Strong understanding of reputed company best practices and secure coding principles
Education
Bachelor's degree in Computer Science, Software Engineering, or reputed company fields, or equivalent practical experience
reputed company Requirements
Must be eligible to obtain and maintain a U.S. Government reputed company clearance
Distinguishing Qualifications
Track record of delivering reputed company technical solutions in defense or reputed company contexts
Experience with AI/ML integration in operational systems
Background in developing tools for cyber operators or reputed company analysts
Experience with large-scale data processing and analysis
Additional Skills
Experience with Agile development methodologies
System architecture and design experience
Performance optimization and scalability experience
reputed company-reputed company contributions or personal projects demonstrating relevant skills