{"id":4201199,"url":"https://alion.io/job/raydar-mobile-platform-engineer","title":"Mobile Platform Engineer","company":{"id":4478753,"name":"Raydar","domain":"raydar.com","url":"https://alion.io/company/raydar-com","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":75,"open_postings":19,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":23,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Mobile","role_family":"Mobile","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":220000,"max":350000,"currency":"USD","period":"year","gross":null,"usd_annual":350000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Machine Learning","optional":true}],"status":"live","first_seen_at":"2026-11-12T22:15:31Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-14T13:29:02Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About the company\nOur client is a fast-growing artificial intelligence company.\nThe role\nRaydar is recruiting for this role on behalf of our client. Serve as the mobile client specialist for a cross-platform application, owning stability, performance and a native feel across a wide range of devices. The work combines hands-on client development with diagnosing problems from crash data and user reports.\nWhat you'll do\n- Serve as the mobile client subject-matter expert on a small engineering team.\n- Review crash data, bug reports and cross-platform comparisons to decide where engineering effort should go.\n- Keep the application stable and native-feeling across many device models and manufacturer variations.\n- Build and maintain mobile client features in Kotlin and Java.\n- Work on low-level device integration, including native components.\nRequirements\nWhat we're looking for\n- Experience building complex mobile client apps that cope with differences in audio hardware, screen sizes and manufacturer-specific behavior.\n- Background working on software that reaches a broad audience at scale.\n- Hands-on experience building and shipping production native mobile apps.\n- A long-term focus on mobile client work rather than using the role as a stepping stone to other work.\nBonus points\n- Experience with voice products, on-device machine learning or iOS development.\nBenefits\nCompensation and benefits\n- Base salary: USD 220,000 to 350,000 per year\n- Equity\n- Health, dental and vision coverage\n- Parental leave\n- Flexible time off\n- 401k retirement plan\n- Commuter benefits\n- Relocation assistance\nLocation and work model\n- San Francisco, California, United States\n- Hybrid, with in-person days in the office preferred; 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