{"id":1694750,"url":"https://alion.io/job/interactive-brokers-front-end-engineer","title":"Front End Engineer","company":{"id":58627,"name":"Interactive Brokers","domain":"interactivebrokers.com","url":"https://alion.io/company/interactive-brokers","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Dayforce","truth_index":{"grade":"B","score":75,"open_postings":50,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-03T05:45:00Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Angular","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"Pinia","optional":false},{"name":"Playwright","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"Vite","optional":false},{"name":"Vitest","optional":false},{"name":"Vue.js","optional":false},{"name":"Vuex","optional":false},{"name":"Webpack","optional":false},{"name":"WebSockets","optional":false},{"name":"AG Grid","optional":true},{"name":"PrimeVue","optional":true},{"name":"Redux","optional":true},{"name":"State Management","optional":true}],"status":"live","first_seen_at":"2026-07-27T05:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-04T00:50:36Z","board_verified":true,"closed_at":null,"days_open":68,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":68},"description":"Covestor Limited (doing business as Interactive Advisors (\"IA\")) are part of the IBKR group. We are an online robo-advisor and investing platform, offering clients in the USA a variety of portfolios. This role will be permanent with IA, and working with us you will get exposure to Interactive Advisors work streams but also many projects working with the wider IBKR group. \n\nWe're looking for a talented Front-End Engineer to take a hands-on delivery role across our most critical platform initiatives — continuously improving our trading UIs in Vue. \n\nYou'll be working on technically demanding challenges: building and adapting high-performance JavaScript/TypeScript libraries for real-time browser connectivity, low-latency data parsing, robust error handling, and more. If you're excited by the intersection of complex financial data and exceptional user experience, this role is for you. \n\nWe are also open to strong server-side engineers with a genuine interest in front-end technologies who are looking to cross-train into a full-stack role — we'll invest in helping you get there.\n\nWe currently operate a hybrid working model at IBKR, and so you will be able to commute to our fantastic central London office (The Walkie Talkie Building) 4 days per week, where you will be pleased to hear we offer lunch every day you are in the office from a selection of vendors.\n\nResponsibilities \nDesign and build scalable web applications within the VueJs ecosystem (VueJs, Vuex, Pinia, Vite, Cypress, webpack) \nOwning and building high-traffic applications with a focus on speed and user experience \nProactively identifying and implementing improvements to architecture, performance and code quality \nCollaborating with colleagues and peers to ideate, plan, and organize large-scale projects \nContribute and help maintain our company-wide Vue UI Component Library \nSet direction and partner with other frontend engineers to implement new technologies \nRequirements \nTechnical \n5+ years of commercial software development experience, with a strong emphasis on single-page application (SPA) development \nDeep, production-level experience with at least one major JavaScript framework — Vue3 (ideally), Angular or React; experience with more than one is a strong plus \nStrong TypeScript skills; able to design and build robust, well-typed libraries and components \nSolid command of HTML5 and CSS3, including responsive design, accessibility and cross-browser compatibility \nExperience with modern front-end tooling: build systems (Vite, rollup), testing frameworks (Vitest, Playwright) and CI/CD pipelines \nFamiliarity with AI concepts and tooling — including AI-assisted development, LLM integration in web applications; practical experience is a strong plus \nA solid grounding in core computer science fundamentals: data structures, algorithms and system design \nExperience with real-time data (WebSockets, SSE or similar) is a significant advantage in this role \nGood to have experience with AG Grid, Prime Vue, UI state management systems such as Pina, Redux, and UI design systems. \nSoft Skills & Ways of Working \nStrong communicator, equally comfortable in a detailed technical discussion with senior engineers and a user-centred design discussion with product experts \nAble to pick up new business domains quickly, asking sharp questions and building understanding fast \nDemonstrates strong personal integrity and accountability \nOpen to and actively seeks constructive feedback \nAcademic \nA degree in Computer Science, Engineering or a related STEM discipline; a postgraduate qualification is a plus \n\nPersonal Attributes \nA passionate advocate for clean, concise and maintainable code \nA natural technical leader who earns the trust and confidence of peers \nA collaborative team player — confident enough to admit mistakes, comfortable leading and following in equal measure, always willing to learn as well as teach \nSomeone who thrives in a fast-paced, high-energy environment and takes genuine ownership of outcomes\n\nLocation:\n 20 Fenchurch Street, London, EC3M 3BY\n9am – 6pm, Monday – Friday\n\nBenefits:\nCareer support and development\nSalary commensurate with experience\nPerformance based discretionary cash bonus scheme\nDiscretionary stock grant\nGroup Life Assurance cover\nGroup Income Protection\nOccupation pension scheme based on Gross earnings\nHybrid working model\nAbove statutory annual leave, increasing with service\nDaily company-paid lunch and healthy snack options throughout the day (when working from the office)\nAccess to Private Medical Insurance, Dental Plan and / or Health Cash Plan*\nCorporate events\nTravel season ticket loans*\nCycle to work scheme*\nFitness subsidisation\n*on successful completion of the probation period","description_format":"text","description_chars":4744,"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":["Annual leave","Health insurance","Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services"],"lifecycle":[{"event":"open","at":"2026-10-02T11:57:18Z"}],"visa":[],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":1,"p_active":0.372,"p_room":0.28,"age_days":68,"expected_fill_days":30,"reasons":["conf:9","stale_co","win:tail","crowd:brand"],"computed_at":"2026-10-03T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/interactive-brokers-front-end-engineer","json_url":"https://alion.io/job/interactive-brokers-front-end-engineer.json","meta":{"generated_at":"2026-10-04T02:00:37Z","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":2743,"day_limit":5000,"remaining_today":2257,"minute_limit":60,"resets_at":"2026-10-05T00:00:00Z"}}}