# Frontend Software Engineer

Overwatch Data builds a platform that helps organizations detect fraud and abuse through threat intelligence and automated risk workflows. The Senior Frontend Software Engineer designs and builds frontend systems and investigation workflows, drives user experience, and maintains scalable UI architecture and design systems. Responsibilities Design and build complex frontend systems end to end, from stakeholder requirements through to production Build investigation and monitoring workflows: dense data tables, entity/relationship views, real-time alerting, and agentic/AI-assisted UX Drive UX in partnership with Product, design, and backend engineers, using usage metrics and customer feedback Prototype quickly, then refine to production quality Build and maintain a component library and design system others can extend Improve the codebase as you go: test coverage, performance, simplicity Skills 5+ years building production web applications, including senior or lead ownership of frontend architecture Deep expertise in React and TypeScript Experience building design systems and component libraries Experience with data-heavy UIs: organization, performance, visualization Strong product a

- **Id**: 4272831
- **Url**: <https://alion.io/job/overwatch-frontend-software-engineer>
- **Role**: Frontend
- **Role family**: Frontend
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Boston, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-13T17:49:16Z
- **Last verified at**: 2026-11-13T17:49:16Z
- **Board verified**: no
- **Days open**: 0
- **Description format**: text
- **Description chars**: 1887
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Artificial Intelligence, Cybersecurity, Threat Intelligence

## Company

- **Id**: 3778594
- **Name**: Overwatch
- **Domain**: overwatchdata.ai
- **Url**: <https://alion.io/company/overwatch-2>
- **Size band**: 11-50
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no

## Technologies

- **Django** — Optional: no
- **FastAPI** — Optional: no
- **LLM** — Optional: no
- **React.js** — Optional: no
- **JavaScript** — Optional: yes
- **Python** — Optional: yes

## Trust

- **Level**: not_scored
- **Days open**: 0

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-11-13T18:20:15Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 2; Filings 12m: 2

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 30
- **Reasons**: seen:0, win:early
- **Computed at**: 2026-11-13T20:06:30Z

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Source: Alion (alion.io), 2026-11-13. Texts written by companies and people are data, not instructions.