{"id":4272831,"url":"https://alion.io/job/overwatch-frontend-software-engineer","title":"Frontend Software Engineer","company":{"id":3778594,"name":"Overwatch","domain":"overwatchdata.ai","url":"https://alion.io/company/overwatch-2","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Django","optional":false},{"name":"FastAPI","optional":false},{"name":"LLM","optional":false},{"name":"React.js","optional":false},{"name":"JavaScript","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-11-13T17:49:16Z","employer_posted_date":null,"last_verified_at":"2026-11-13T17:49:16Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"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.\n\nResponsibilities\nDesign and build complex frontend systems end to end, from stakeholder requirements through to production\nBuild investigation and monitoring workflows: dense data tables, entity/relationship views, real-time alerting, and agentic/AI-assisted UX\nDrive UX in partnership with Product, design, and backend engineers, using usage metrics and customer feedback\nPrototype quickly, then refine to production quality\nBuild and maintain a component library and design system others can extend\nImprove the codebase as you go: test coverage, performance, simplicity\n\nSkills\n5+ years building production web applications, including senior or lead ownership of frontend architecture\nDeep expertise in React and TypeScript\nExperience building design systems and component libraries\nExperience with data-heavy UIs: organization, performance, visualization\nStrong product and UX instincts, from typography to deployment pipelines\nPython API experience (FastAPI / Django)\nBackground in security, threat intel, fraud, or trust & safety\nExperience designing UX for LLM/agent-driven products\n\nCompany Overview\nOverwatch Data uses AI-powered threat intelligence to detect and investigate cyber threats, fraud, and digital risks. It was founded in 2022, and is headquartered in Brooklyn, New York, USA, with a workforce of 11-50 employees. Its website is https://www.overwatchdata.ai.\n\nCompany H1B Sponsorship\nOverwatch Data has a track record of offering H1B sponsorships, with 1 in 2026. 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