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You will be working on CloudKit, Apple’s foundational privacy-focused database platform, which securely stores users’ data and seamlessly keeps it synchronized across all their Apple devices.\nDescription\nCloudKit manages data at a massive scale! It is a strongly-consistent database of structured data that serves billions of active Apple customers. Considered the bedrock of iCloud, it is purpose built to be performant, highly available, and extremely scalable. CloudKit is a framework designed to the highest standards of user privacy that not only empowers developers to build highly collaborative and secure applications but is also the storage foundation for Apple’s signature cloud experiences, such as Photos, Drive, Notes, Keynote, News, and many third-party applications!\nWe are a world-class team who has a real passion for engineering and delivering high quality services to Apple’s customers. As a key member of a versatile organization, you will introduce new fundamental capabilities that will help power entirely new applications and scale existing ones.\nWe are looking for engineers who have exceptional expertise in building fault-tolerant distributed systems. Our engineers demonstrate unique leadership skills and can excel in a complex environment that obsesses about the customer experience.\nMinimum Qualifications\n7+ years of industry experience developing software in Java, C, or C++\nExperience working with distributed NoSQL and relational database technologies\nExpertise in synchronous and asynchronous network application I/O frameworks\nExpertise in programming in concurrent and multi-threaded environments\nIndustry experience building and operating large-scale multi-tiered distributed systems\nBachelor’s degree in an engineering-related field or equivalent related experience\nPreferred Qualifications\nStrong background with KV data stores, e.g., FoundationDB, DynamoDB, or Cassandra\nStrong fundamentals in storage systems, e.g., schema design, indexes, and transactions\nFamiliar with high-performance caching mechanisms, e.g., Redis or Memcached\nFamiliar with event streaming and queueing systems, e.g., Kafka\nExperience using AWS, GCP, and cloud-native technologies (Containers, Kubernetes, gRPC)\nExperience with TLS, X.509 certificates, or similar security and cryptographic protocols","description_format":"text","description_chars":2446,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Operating Systems","Laptops","Smartwatches & Fitness Trackers","Tablets"],"lifecycle":[{"event":"open","at":"2026-10-15T00:58:45Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 6,350 · green card filings: 37","filings_12m":6350,"filings_prev_12m":6527,"green_card_filings_12m":37,"median_offered_wage_usd":177355,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":2996}],"liveness":{"score":70,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.695,"p_room":1,"age_days":0,"expected_fill_days":45,"reasons":["conf:0","stale_co","urgency","velocity","win:early","comp:brand"],"computed_at":"2026-10-15T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/apple-senior-software-engineer-apple-services-engineering-2","json_url":"https://alion.io/job/apple-senior-software-engineer-apple-services-engineering-2.json","meta":{"generated_at":"2026-10-15T07:23:43Z","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":15065,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":12},"rest":"https://alion.io/mcp/rest/get_company?id=12"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fapple-senior-software-engineer-apple-services-engineering-2"},{"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%2Fapple-senior-software-engineer-apple-services-engineering-2"},{"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%2Fapple-senior-software-engineer-apple-services-engineering-2"},{"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/apple-senior-software-engineer-apple-services-engineering-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fapple-senior-software-engineer-apple-services-engineering-2"}]}