{"id":2735724,"url":"https://alion.io/job/fis-principal-software-engineer-mobile-platform","title":"Principal Software Engineer, Mobile Platform","company":{"id":4808,"name":"FIS","domain":"fisglobal.com","url":"https://alion.io/company/fis","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":89,"open_postings":97,"ghost_share":0.041,"stale_share":0.485,"repost_share":0.124,"time_to_fill_p50_days":20,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":129000,"max_usd":262000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1093},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bitrise","optional":false},{"name":"CI/CD","optional":false},{"name":"Kotlin","optional":false},{"name":"React Native","optional":false},{"name":"Swift","optional":false},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-16T19:02:24Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-17T04:50:46Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Job Description\nAt FIS, our technology and our people are moving forward. We advance the way the world pays, banks and invests. We believe in building inclusive, diverse teams. Together, we innovate to help our colleagues, clients and communities succeed. If you’re ready to grow your career and make an impact in fintech, we have one question: Are you FIS?\nAbout the Role\nYou will define the architecture and technical direction for a mobile platform that product teams across FIS build on, supporting secure, scalable financial applications. You will lead engineering across native iOS, native Android and React Native technologies while establishing reusable capabilities, standards and delivery practices. As a principal engineer, you will solve complex platform challenges and influence mobile strategy across engineering, product, security and operations. Success means enabling teams to deliver reliable, accessible and high-performing mobile experiences efficiently.\nWhat You Will Be Doing\nDefine the architecture and technical strategy for enterprise mobile platforms and applications.\nLead the evaluation of FIS’s mobile framework strategy, native vs. cross-platform, as AI-assisted development changes the tradeoffs.\nEstablish standards for native iOS, native Android and React Native development.\nDesign reusable frameworks, libraries, services and developer tooling for mobile engineering teams.\nGuide application architecture using Swift, Kotlin and modern React Native patterns.\nLead decisions involving security, privacy, scalability, accessibility and application performance.\nEstablish continuous integration and delivery capabilities using Bitrise and complementary automation tools.\nImprove automated testing, code quality, observability and release reliability across mobile applications.\nGuide application signing, provisioning and releases through Apple and Google application stores.\nPartner with product, design, security and platform teams to deliver consistent mobile experiences.\nPartner with Design to deliver the design system’s mobile components and tokens.\nEvaluate AI-assisted capabilities that improve mobile development, testing and operational workflows.\nLead resolution of complex architecture, integration, performance and production reliability challenges.\nCoach senior engineers and technical leads while strengthening mobile engineering practices.\nWhat You Will Need \nExtensive experience architecting and delivering complex, production-grade mobile applications.\nAdvanced expertise in at least one native platform (Swift or Kotlin), with working depth in the other.\nReact Native experience.\nProven engineering leadership across mobile architecture, platform strategy and technical standards.\nExperience implementing mobile continuous integration and delivery pipelines, including Bitrise.\nDeep knowledge of mobile security, accessibility, performance, testing, observability and release management.\nHands-on experience with AI coding tools and a point of view on how they change mobile engineering.\nDegree in Computer Science, engineering or a related field, or equivalent practical experience.\nAdded Bonus if You Have \nExperience developing mobile platforms or applications within banking, payments or financial services.\nExperience releasing and maintaining applications through the Apple App Store and Google Play.\nKnowledge of iPadOS, macOS and the broader Apple development ecosystem.\nExperience integrating mobile applications with APIs, identity platforms and cloud-based services.\nFamiliarity with secure software development practices for regulated financial environments.\nExperience with mobile app integrity and attestation (Apple App Attest, Google Play Integrity) and secure secrets handling.\nWhat We Offer You\nAt FIS, you can grow your career as far as you want to take it. Here’s what else we offer:\nOpportunities to make an impact in fintech\nPersonal and professional learning\nInclusive, diverse work environment\nResources to give back to your community\nCompetitive salary and benefits\nPrivacy Statement\nFIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.\nEEOC Statement\nFIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here\nFor positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis.\nSourcing Model\nRecruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.","description_format":"text","description_chars":5643,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-10-16T19:02:24Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":0,"expected_fill_days":20,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/fis-principal-software-engineer-mobile-platform","json_url":"https://alion.io/job/fis-principal-software-engineer-mobile-platform.json","meta":{"generated_at":"2026-10-17T12:33:44Z","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":16645,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":4808},"rest":"https://alion.io/mcp/rest/get_company?id=4808"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffis-principal-software-engineer-mobile-platform"},{"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%2Ffis-principal-software-engineer-mobile-platform"},{"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%2Ffis-principal-software-engineer-mobile-platform"},{"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/fis-principal-software-engineer-mobile-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffis-principal-software-engineer-mobile-platform"}]}