Web Application Developer

ZETTALOGIX INC; Washington (District of Columbia); On-site; USD 120,000 - 160,000; Full time

Job summary

ZETTALOGIX INC in Washington, D.C. is seeking a Web Application Developer to help build frontend solutions that support mission-critical government and defense operations.

This role emphasizes creating robust, user-friendly interfaces for data-driven decision tools used by public sector clients. You’ll focus on data-intensive dashboards, real-time collaboration, and visualization, leveraging TypeScript and React to power interfaces for complex workflows.

Qualifications

• Has built complex frontend applications and data-intensive UIs.
• Owned or shipped projects independently through the full product lifecycle.
• BS in Computer Science or Computer Engineering.

Responsibilities

• Architect and build interfaces that make sophisticated, data-intensive workflows approachable for non-technical users.
• Work directly with users to understand their needs and identify product gaps.
• Collaborate with teammates on UX for intricate, high-stakes workflows.
• Scope technical solutions and find incremental paths to shipping new features.
• Own APIs and schemas powering your frontend work, partnering closely with backend engineers.
• Tackle mapping/visualization, real-time collaboration, performance optimization, and complex state management.

Skills

React

TypeScript

JavaScript

CS fundamentals

Education

BS in Computer Science or Computer Engineering

Tools

CI/CD tooling

Job description

Job: Web Application Developer

Location Washington D.C., District of Columbia, United States

Duration: Full Time

Our client, a software development firm, is looking for a Web Application Developer to help build applications that support mission-critical government and defense operations. This is a frontend-focused role for someone who wants to solve complex problems and build tools that enable data-driven decision-making for public sector clients.

You’ll work on products that integrate and visualize large datasets, powering workflows like common operating pictures, alert-triaging inboxes, and resource allocation planning tools. These are systems relied on daily for real operations, so the bar for quality, usability, and reliability is high.

What You’ll Do

• Architect and build interfaces that make sophisticated, data-intensive workflows approachable including for non-technical users
• Work directly with users to understand their needs and identify product gaps
• Collaborate with teammates on UX for intricate, high-stakes workflows
• Scope technical solutions and find incremental paths to shipping new features
• Own APIs and schemas powering your frontend work, partnering closely with backend engineers
• Get hands‑on with a range of technical challenges: mapping/visualization, real‑time collaboration, performance optimization, and complex state management

Tech Stack

TypeScript and React, with a component library for shared UI patterns, plus a mix of open‑source and internal tooling. Standard CI/CD tooling for build, test, and deploy.

Requirements (Dealbreakers)

• Has built complex frontend applications data‑intensive UIs, real‑time collaborative tools, mapping/visualization, or systems where multiple apps interact
• Has owned or shipped projects/features independently through the full product lifecycle (design ship maintain)
• BS in Computer Science or Computer Engineering

Baseline Expectations

• 2 5 years of frontend or full‑stack software engineering experience with strong CS fundamentals
• Experience at a Big Tech company or a high‑bar startup
• Strong proficiency in React, TypeScript, and JavaScript
• Based in or willing to relocate to Washington, D.C.

Nice to Have

• Experience or strong interest in defense or government technology
• Founder experience, significant open‑source contributions, or strong extracurricular involvement (campus clubs, hackathons, side projects)