{"id":2459512,"url":"https://alion.io/job/txptalent-full-stack-javascripttypescript-engineer","title":"Full Stack JavaScript/TypeScript Engineer","company":{"id":4416608,"name":"TXP Talent","domain":"txptalent.co.uk","url":"https://alion.io/company/txptalent","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"LLM","optional":true}],"status":"live","first_seen_at":"2026-10-05T13:11:14Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-16T02:34:07Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"SUMMARY:\nWe are looking for a Mid-Senior Full Stack JavaScript/TypeScript Engineer to join a Commercial Engineering team working on business-critical digital publishing and advertising platforms.\nThis is a long-term opportunity within a complex, high-traffic production environment, combining ongoing platform enhancement, modernisation and migration work. The role is technically full stack, with an approximate 70/30 frontend-to-backend split, although the frontend work is focused on browser-level engineering rather than traditional UI or React component development.\n WHAT WILL YOU BE DOING:\nAs part of an agile software development team, you will:\nDevelop and maintain software using JavaScript, TypeScript and Node.js.\nWorking directly with vanilla JavaScript, the DOM and browser APIs.\nBuilding and maintaining plugin and configuration systems.\nWorking with third-party script integrations across commercial and advertising platforms.\nContributing to browser-level functionality, including DOM manipulation, scheduling and brokers.\nWorking with analytics and consent management (CMP) integrations.\nContributing to the ongoing development and modernisation of high-traffic production platforms.\nSupporting a mixture of BAU enhancements, platform evolution and migration work.\nWorking within existing CI/CD, containerised and Kubernetes-based environments.\nCollaborating with an experienced engineering team to solve technical problems and deliver reliable, maintainable solutions.\nTaking ownership of problems and using initiative to identify and implement effective solutions.\nWHAT WE ARE LOOKING FOR:\nStrong commercial experience with JavaScript and TypeScript.\nStrong hands-on experience with Node.js.\nProven experience working with vanilla JavaScript.\nStrong familiarity with the DOM, browser APIs and the inner workings of modern browsers.\nStrong software engineering fundamentals.\nExperience developing and supporting software in production environments.\nComfortable working with CI/CD and containers.\nFamiliarity with working in a Kubernetes environment.\nStrong problem-solving skills and the ability to use initiative.\nComfortable working across both frontend and backend areas of a system.\nAbility to work effectively within an established engineering team and complex production environment.\nStrong focus on code quality, maintainability and engineering best practices.\nStrong verbal and written communication skills in English\nNICE TO HAVE:\nExperience with CSS and browser layout.\nPrevious experience within digital publishing, advertising technology or high-traffic web platforms.\nExperience with third-party script integrations.\nExposure to analytics platforms.\nExperience with Consent Management Platforms (CMPs).\nExperience contributing to platform modernisation or migration projects.\nGood use of LLM/AI tooling as part of the software development workflow.\n WHAT’S IN IT FOR YOU?\nBe part of our collegial environment where responsibility and authority are shared equally amongst colleagues and help create our company culture.\nA culture in which we don’t criticise failure but ensure we learn from our mistakes\nAn Agile environment where your ideas are welcome\nThe possibility to grow and experience different projects\nOngoing Training & Mentoring\nThe possibility of travelling\n- ATTENTION! THIS POSITION IS FOR PORTUGAL OR BRAZIL-BASED ONLY","description_format":"text","description_chars":3365,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T17:01:16Z"}],"visa":[],"liveness":{"score":85,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.848,"p_room":1,"age_days":9,"expected_fill_days":39,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-15T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/txptalent-full-stack-javascripttypescript-engineer","json_url":"https://alion.io/job/txptalent-full-stack-javascripttypescript-engineer.json","meta":{"generated_at":"2026-10-16T03:12:58Z","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":4861,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":4416608},"rest":"https://alion.io/mcp/rest/get_company?id=4416608"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftxptalent-full-stack-javascripttypescript-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%2Ftxptalent-full-stack-javascripttypescript-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%2Ftxptalent-full-stack-javascripttypescript-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/txptalent-full-stack-javascripttypescript-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftxptalent-full-stack-javascripttypescript-engineer"}]}