{"id":3987109,"url":"https://alion.io/job/nubank-senior-software-engineer-mobile","title":"Senior Software Engineer - Mobile","company":{"id":13935,"name":"Nubank","domain":"nubank.com.br","url":"https://alion.io/company/nu-bank","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":98,"open_postings":16,"ghost_share":0,"stale_share":0,"repost_share":0.125,"time_to_fill_p50_days":37,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["São Paulo, Brazil","Campinas, Brazil","Belo Horizonte, Brazil","Rio de Janeiro, Brazil"],"countries":["BR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Dependency Injection","optional":false},{"name":"Flutter","optional":false},{"name":"Modularization","optional":false},{"name":"Dart","optional":true}],"status":"live","first_seen_at":"2026-08-01T00:54:40Z","employer_posted_date":"2026-08-01","last_verified_at":"2026-11-09T21:59:03Z","board_verified":true,"closed_at":null,"days_open":101,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":101},"description":"About Nu\nNu serves more than 140 million customers, guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services.\nProprietary technology and data at scale power Nu’s digital platform, built to promote financial access, advancement, and transparency. Its business model thrives on customer love and lower costs, feeding a flywheel of growth and profitability.\nVisit ourInstitutional Page\nAbout Nubank’s Mobile Platform\nThe Mobile Platform’s mission aligns with Nubank’s commitment to delivering the best experience for our customers by ensuring a high-performing, stable, and seamless app.\nWithin Mobile Platform, App Core focuses on providing user-friendly, scalable, high-performing, and cost-efficient app infrastructure components and mobile tools that enable Nubank engineers to quickly and safely test, deploy, monitor, analyze, and improve app flows and features.\nApp Core is at the heart of the Nubank app’s foundation, powering app performance, infrastructure scalability, and the removal of legacy dependencies to allow our application to grow from millions to potentially billions of fanatic customers.\nThe Opportunity\nThis role will involve working across a variety of technologies, including Native, Flutter, and related frameworks. We are looking for a Mobile Engineer with solid experience to join the App Core team - a cross-impact engineering team responsible for building and maintaining the core infrastructure of the mobile application, optimizing our performance, and enabling product teams to deliver high-quality mobile experiences.\nWhat We’re Looking For\nMust Have:\nProven experience in senior-level technical mobile development.\n\nStrong technical background with Flutter and/or native mobile development (Android/iOS).\n\nSolid understanding of mobile software engineering principles, architectural patterns, and modularization strategies.\n\nExperience with performance optimization, dependency injection, and migration of core systems.\n\nKnowledge of mobile observability, monitoring, and debugging tools.\n\nStrong communication skills in English, with the ability to explain complex concepts to diverse audiences.\n\nTrack record of delivering results in ambiguous, fast-paced environments.\n\nNice to Have:\nExperience with backend technologies, especially those integrated with mobile applications.\n\nFamiliarity with distributed systems and large-scale app architecture.\n\nContributions to internal SDKs, libraries, or mobile design systems.\n\nUnderstanding of user authentication, session management, and app state handling.\n\nWhy Join Us\nImpact at Scale: Help shape the mobile experience for millions of customers across multiple countries, with the goal of reaching billions.\n\nTechnical Leadership: Influence the architecture and foundational technologies that all Nubank engineers rely on.\n\nInnovation-Driven Culture: Work in a dynamic, collaborative environment that values experimentation, continuous improvement, and engineering excellence.\n\nCareer Growth: Develop as a strategic engineering, working on complex technical and organizational challenges.\n\nOur Benefits\nChance of earning equity at Nubank\n\nFood/ Meal Card (Vale-Refeição and/or Vale Alimentação)\n\nPublic Transportation Commuting Benefit (Vale-Transporte)\n\nNuCare - Psychological, Financial and Legal Assistance Program\n\nLife Insurance\n\nMedical Plan\n\nDental Plan\n\nNuLanguage - Language Course Program\n\nNucleo - Our learning platform of courses\n\nExtended Parental Leave\n\nDaycare Allowance\n\nParental Consultancy\n\nWork-from-home Allowance\n\nGym Partnerships\n\n30 days of paid vacation\n\nRelocation Assistance Package, if applicable\n\nWork Model for this Role\nHybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit https://building.nubank.com/nu-hybrid-work-model/\nOur recruitment process may involve the use of artificial intelligence-enabled tools, such as automated interview transcription and analysis, to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.\nTo maintain a consistent and fair process for every candidate, Nu does not provide individualized technical feedback. See how our policy works here","description_format":"text","description_chars":4422,"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":["Equity","Hybrid work","Life insurance","Parental leave","Relocation assistance"],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Cards & Card Issuing","Digital Banks & Neobanks"],"lifecycle":[{"event":"open","at":"2026-11-09T21:59:03Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.603,"p_room":0.28,"age_days":101,"expected_fill_days":37,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-11-10T01:10:03Z"},"pay":null,"html_url":"https://alion.io/job/nubank-senior-software-engineer-mobile","json_url":"https://alion.io/job/nubank-senior-software-engineer-mobile.json","meta":{"generated_at":"2026-11-10T01:10:03Z","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":2574,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":13935},"rest":"https://alion.io/mcp/rest/get_company?id=13935"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnubank-senior-software-engineer-mobile"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fnubank-senior-software-engineer-mobile"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fnubank-senior-software-engineer-mobile"},{"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/nubank-senior-software-engineer-mobile\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnubank-senior-software-engineer-mobile"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3987109}},{"tool":"search_jobs","arguments":{"company":"nubank.com.br","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3987109},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}