{"id":151582,"url":"https://alion.io/job/ing-group-principal-frontend-developer","title":"Principal Frontend Developer","company":{"id":3744,"name":"ING Group","domain":"ing.com","url":"https://alion.io/company/ing","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":103,"ghost_share":0,"stale_share":0.786,"repost_share":0.01,"time_to_fill_p50_days":27,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Frontend","role_family":"Frontend","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Istanbul, Turkey"],"countries":["TR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"JavaScript","optional":false},{"name":"Lit","optional":false},{"name":"Mocha","optional":false},{"name":"React.js","optional":false},{"name":"Svelte","optional":false},{"name":"Vue.js","optional":false},{"name":"Web Components","optional":false},{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true},{"name":"CI/CD","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2025-11-05T00:00:00Z","employer_posted_date":"2025-11-05","last_verified_at":"2026-10-27T22:07:50Z","board_verified":true,"closed_at":null,"days_open":357,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":356},"description":"About ING Hubs\nIn line with ING's strategic goal to provide an exceptional experience to customers globally, ING Hubs network enhances efficiency and digitalization throughout ING. Offering specialized expertise and scalable, sustainable solutions, ING Hubs are dedicated to straight-through processing and provide services such as software development, data management, and retail operations.\nING Hubs are present in Poland, Romania, Slovakia, the Philippines, and Turkey, employing a significant workforce. Our employees are connected to the world! As an integral part of ING, we understand ING specifics and operate within the ING culture and frameworks.\nDiscover ING Hubs Turkiye\nING Hubs Turkiye is looking for talents to join an international network of professionals. Building on an existing framework and shared mission, our up-and-coming team will bring its unique personality and skills set to provide borderless services with bank-wide capabilities.\nWhat do we offer:\nAt ING Hubs Turkiye we want your work to fulfill you in every way, and that is why we take care of even the smallest detail. Check out what is waiting for you;\nAt our organization, you first be yourself, then you are ING’er, therefore;\n14 days of welcome leave days even in your first year! Don’t postpone your dreams!\nWith our Flexi Hybrid working model, we are connected to each other remotely on the third week of the months.\nFlexible working models where you can manage your time and do your thing.\nDiscover yourself by taking part in ING projects or career opportunities abroad while working with ING Global!\nWe care your health; comprehensive health insurance package for you and your beloved ones (spouse/children)\nPrivate Pension plan for your future dreams.\nWe provide self-driven career opportunities.\nWe've partnered with Udemy to expand the learning opportunities available to you.\nDevelop skills you care about, with training budget.\nAn informal, dynamic environment with innovative colleagues supporting your endeavors.\nShare your innovation ideas while discovering PACE methodology.\nHave fun with various communication activities & celebrations.\nAbout you\n6+ years of experience on frontend development\nStrong knowledge of JavaScript, HTML and CSS\nW3C Standards and features\nCritical attention to detail about code, efficiency, and design\nExperience writing unit tests, TDD, BDD, familiar with tools like (e.g. Mocha, karma, Chai, Sinon)\nUnderstands deeply about the modern web platform, especially web components, progressive web apps\nExperience with at least one modern JavaScript framework (e.g. React, Angular, Vue.js, Svelte) and a solid understanding of its core principles;\nMeet service levels for systems (availability, security, and performance)\nExperience with Lit Element is a plus\nWorking with Azure pipelines for CI/CD.\nMentor & coach other developers in their learning & development\nBe able to work alone or with others as needs dictate\nCommunication (written/verbal) to be well developed and of a professional standard\nHow to Succeed\nYou will be responsible for shaping the technical vision of the platform\nImplement new technologies without a negative customer impact.\nIntegrate clients on to our chosen target platform\nIf you want 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