{"id":2309486,"url":"https://alion.io/job/icap-front-end-senior-engineer","title":"Front-End Senior Engineer","company":{"id":2046972,"name":"ICAP","domain":"icap.com","url":"https://alion.io/company/icap-com","size_band":"201-500","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":"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":{"min":136000,"max":175000,"currency":"USD","period":"year","gross":null,"usd_annual":175000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Redux","optional":false},{"name":"Spring Boot","optional":false},{"name":"State Management","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"closed","first_seen_at":"2026-10-11T14:12:29Z","employer_posted_date":null,"last_verified_at":"2026-10-12T09:30:15Z","board_verified":false,"closed_at":"2026-10-12T09:30:15Z","days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"ICAP is a world leading provider of market infrastructure, focused on connecting clients to superior liquidity and data solutions. The Front-End Senior Engineer will design and implement user-facing features for enterprise-grade applications while collaborating with cross-functional teams and mentoring junior engineers.\n\nResponsibilities\nDesign, develop, and maintain high-quality front-end applications using modern frameworks\nCollaborate with UX/UI designers to implement responsive and accessible interfaces\nOptimize application performance for speed and scalability\nEnsure code quality through best practices, including testing and code reviews\nWork closely with back-end engineers to integrate APIs and services\nTroubleshoot and resolve front-end issues across multiple browsers and devices\nContribute to architectural decisions and technical strategy for front-end development\nMentor junior developers and promote knowledge sharing within the team\nStay updated on emerging front-end technologies and industry trends\n\nSkills\nProven experience developing desktop user interfaces using Java Swing\nWorking knowledge of the Spring Boot framework\nWorking knowledge of the JDBC API for database interaction\nExperience or familiarity with the Solace Event Broker\nFamiliarity with RESTful APIs and system integration practices\nExperience with build and dependency management tools such as Apache Maven\nUnderstanding of version control systems (e.g., Git)\nExperience using feature and bug tracking tools such as Jira\nStrong problem-solving and debugging skills\nStrong communication and collaboration abilities\nExperience in front-end development using frameworks such as React, Angular, or Vue.js\nExperience with TypeScript and modern state management libraries (e.g., Redux)\nExperience with responsive design and cross-browser compatibility\nKnowledge of performance optimization techniques for web applications\nExperience working with modern AI-assisted development tools (e.g., Kiro, Amazon Q, or similar) to improve developer productivity\nExposure to CI/CD pipelines and automated testing frameworks\nKnowledge of accessibility standards and best practices\nFamiliarity with cloud platforms and containerization (e.g., AWS, Docker)\nUnderstanding of security principles in front-end development\nExperience working in Agile environments\nAbility to contribute to design discussions and propose innovative solutions\n\nCompany Overview\nICAP, part of TP ICAP group, is a leading markets operator and provider of execution and information services. It was founded in 1986, and is headquartered in London, England, GBR, with a workforce of 5001-10000 employees. Its website is http://www.icap.com.\n\nCompany H1B Sponsorship\nICAP has a track record of offering H1B sponsorships, with 11 in 2026, 14 in 2025, 6 in 2024, 9 in 2023, 5 in 2022, 75 in 2021, 7 in 2020. Please note that this does not guarantee sponsorship for this specific role.","description_format":"text","description_chars":2928,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Stock Exchanges & Market Infrastructure"],"lifecycle":[{"event":"open","at":"2026-10-12T00:20:15Z"},{"event":"close","at":"2026-10-12T09:30:15Z"}],"visa":[],"liveness":null,"pay":{"stated_usd_annual":175000,"is_top_pay":false},"html_url":"https://alion.io/job/icap-front-end-senior-engineer","json_url":"https://alion.io/job/icap-front-end-senior-engineer.json","meta":{"generated_at":"2026-10-12T10:26:35Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":16015,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2046972},"rest":"https://alion.io/mcp/rest/get_company?id=2046972"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ficap-front-end-senior-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ficap-front-end-senior-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ficap-front-end-senior-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/icap-front-end-senior-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ficap-front-end-senior-engineer"}]}