{"id":4008214,"url":"https://alion.io/job/sekai-senior-backend-cloud-infrastructure-engineer","title":"Senior Backend & Cloud Infrastructure Engineer","company":{"id":720617,"name":"Sekai","domain":"sekai.ai","url":"https://alion.io/company/sekai","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-10T06:52:35Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","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":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon ECS","optional":false},{"name":"Amazon S3","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"Celery","optional":false},{"name":"CI/CD","optional":false},{"name":"Datadog","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"Go","optional":false},{"name":"gRPC","optional":false},{"name":"IAM","optional":false},{"name":"Kubernetes","optional":false},{"name":"Least Privilege","optional":false},{"name":"LLM","optional":false},{"name":"MySQL","optional":false},{"name":"Nginx","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"Sentry","optional":false},{"name":"Terraform","optional":false},{"name":"GCP","optional":true},{"name":"Google BigQuery","optional":true},{"name":"VPN","optional":true},{"name":"Zero Trust","optional":true}],"status":"live","first_seen_at":"2026-11-10T04:16:53Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T08:35:40Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Sekai is building the TikTok for mini apps - an AI-driven consumer platform where people create, remix, share, and play interactive content instantly.\nWe are a Series A company backed by Khosla, a16z and Mayfield, with $30M raised to date. We are remote-first across all positions and are looking for ambitious, AI-native builders who want to help shape the next generation of consumer social products.\nAbout Sekai\nSekai is an AI-powered consumer platform where users can create, remix, and play interactive content. We build mobile-first products at the intersection of AI, consumer social, and interactive entertainment. We are a Series A company backed by top VCs including a16z, a+, Mayfield, and Khosla, and have raised a total of $30m.\nHere are Sekai’s download links:\nAndroid: https://play.google.com/store/apps/details?id=chat.sekai.app&hl=en_US\n\nIOS: https://apps.apple.com/us/app/sekai-create-remix-play/id6504506653\n\nAbout the Role\nWe're looking for a Backend & Cloud Infrastructure Engineer to help build and scale the systems behind Sekai. In this role, you'll work across backend development and cloud infrastructure, building high-performance APIs, supporting AI/LLM workloads, and ensuring our platform is scalable, reliable, and efficient.\nYou'll have end-to-end ownership, from designing core backend services to optimizing AWS infrastructure and improving overall system performance. It's a great opportunity for someone who enjoys both building products and solving complex infrastructure challenges in a fast-moving startup environment.\nResponsibilities\nBackend Development\nOwn the architecture, development, and evolution of core backend services. Write high-quality code in Python / Go, and lead design reviews and code reviews.\n\nDesign and build high-performance, highly available RESTful / gRPC APIs that serve high-traffic consumer features and AI / LLM workloads.\n\nDesign and tune async task processing and message queues (Kafka, Celery, SQS, etc.) for throughput and data consistency.\n\nCloud Platform & Reliability\nPlan, build, and govern our AWS infrastructure (ECS / Lambda / RDS / S3 / CloudFront / VPC, etc.), and drive Infrastructure as Code with Terraform or similar tools.\n\nBuild and improve monitoring, logging, and alerting (Datadog, CloudWatch, Sentry). Keep alerts actionable and production stable.\n\nLead incident troubleshooting, on-call response, and postmortems. Keep improving capacity planning, autoscaling, and disaster recovery.\n\nOwn cloud cost and security: remove idle resources, enforce least-privilege IAM, and manage multiple accounts and internal network access.\n\nInfrastructure & Platform\nTurn shared business logic into reusable services, middleware, and internal tools, and improve CI/CD so the team ships faster and more reliably.\n\nQualifications\n5+ years of backend development experience, including at least 2 years in cloud or infrastructure work.\n\nStrong proficiency in Python or Go, with hands-on experience building large projects on frameworks such as FastAPI, Django, or Gin.\n\nSolid knowledge of core AWS services, with production experience in architecture, operations, and cost optimization.\n\nExperience with Docker and ECS / Kubernetes, and with IaC tools such as Terraform.\n\nStrong MySQL / PostgreSQL schema design and performance tuning skills. Familiar with Redis, Kafka, Nginx, and other common middleware.\n\nStrong production debugging skills, with on-call and postmortem experience. Good communicator who can own a project end to end, from design to launch.\n\nPreferred Qualifications\nBackend experience with AI / LLM applications, such as model integration, agent systems, or managing LLM cost and reliability.\n\nExperience supporting large-scale, high-traffic consumer products.\n\nMulti-cloud (AWS + GCP), cloud migration, or account consolidation experience; familiarity with BigQuery or similar data platforms.\n\nKnowledge of networking and security, such as VPN / zero trust and compliance.\n\nBenefits\nTop tier salary in the market + competitive equity\n\nFull Health insurance\n\nIf you are excited about building at the frontier of AI, consumer social, and interactive entertainment, we would love to hear from you.\nAt Sekai, you will work with an AI-native team, move fast, own meaningful problems, and have the flexibility to explore new ideas from an early stage.","description_format":"text","description_chars":4336,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Mobile Games","Consumer & Utility Software"],"lifecycle":[{"event":"open","at":"2026-11-10T08:35:40Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":36,"reasons":["conf:1","win:early"],"computed_at":"2026-11-10T10:25:06Z"},"pay":null,"html_url":"https://alion.io/job/sekai-senior-backend-cloud-infrastructure-engineer","json_url":"https://alion.io/job/sekai-senior-backend-cloud-infrastructure-engineer.json","meta":{"generated_at":"2026-11-10T10:25:06Z","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":24215,"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":720617},"rest":"https://alion.io/mcp/rest/get_company?id=720617"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsekai-senior-backend-cloud-infrastructure-engineer"},{"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%2Fsekai-senior-backend-cloud-infrastructure-engineer"},{"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%2Fsekai-senior-backend-cloud-infrastructure-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/sekai-senior-backend-cloud-infrastructure-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsekai-senior-backend-cloud-infrastructure-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4008214}},{"tool":"search_jobs","arguments":{"company":"sekai.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4008214},"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. 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