{"id":655755,"url":"https://alion.io/job/iongroup-senior-web-ui-developer-react-new-york","title":"Senior Web UI Developer (React), New York","company":{"id":678233,"name":"ION Group","domain":"iongroup.com","url":"https://alion.io/company/iongroup-2","size_band":"1001-5000","is_staffing_agency":false,"is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":64,"open_postings":76,"ghost_share":0.684,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-09-24T05:45:00Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":123000,"max_usd":244000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":132},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"JavaScript","optional":false},{"name":"React.js","optional":false}],"status":"live","first_seen_at":"2016-10-14T16:50:09Z","employer_posted_date":"2016-10-14","last_verified_at":"2026-09-25T02:20:03Z","board_verified":true,"closed_at":null,"days_open":3632,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":3631},"description":"Lab49 has an opportunity available for a Web UI Developer to lead work on complex and challenging projects to drive transformative change for our top-tier Financial Services clients. Operating in an Agile environment, the Web UI Developer will have strong experience developing software in various front-end frameworks, with a focus on design and build the next generation of technology.\nResponsibilities\nYou will build applications that push the envelope when it comes to throughput, latency, resiliency, all the while making sure that we deliver on-time and within budget.\nRequired Skills and Experience\n5+ years of commercial-grade web/front-end development experience.\nStrong experience in JavaScript, ideally ES6 or ES7, building Single Page Web Applications with modern frameworks, preferably using React.\nSolid skills in HTML5 and CSS3.\nKnowledge of the Agile Development Methodology.\nStrong interpersonal and organizational skills.\nKnowledge of, and strong demonstrated interest in, global financial markets and financial products is a strong plus.\nBachelors or Masters in Computer Science, Engineering, Physics, Math, or related work experience.","description_format":"text","description_chars":1154,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services"],"lifecycle":[{"event":"open","at":"2026-09-10T20:52:54Z"}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.173,"p_room":0.28,"age_days":3631,"expected_fill_days":9,"reasons":["conf:1","stale_co","velocity","ghost","win:tail","crowd:"],"computed_at":"2026-09-24T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/iongroup-senior-web-ui-developer-react-new-york","json_url":"https://alion.io/job/iongroup-senior-web-ui-developer-react-new-york.json","meta":{"generated_at":"2026-09-25T04:02:34Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4378,"day_limit":5000,"remaining_today":622,"minute_limit":60,"resets_at":"2026-09-26T00:00:00Z"}}}