{"id":68504,"url":"https://alion.io/job/package-senior-backend-engineer","title":"Senior Backend Engineer","company":{"id":26641,"name":"Package","domain":"package.ai","url":"https://alion.io/company/package","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":null},"role":"Backend","role_family":"Backend","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":["Israel"],"countries":["IL"],"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":"AI Agents","optional":true}],"status":"live","first_seen_at":"2026-02-10T10:42:17Z","employer_posted_date":"2026-02-10","last_verified_at":"2026-10-19T09:22:28Z","board_verified":true,"closed_at":null,"days_open":252,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":251},"description":"About us\nCome for the code, stay for the impact.\nAt Package.ai, we’re not just building software, we’re changing how retailers connect with their customers. From the first website chat to the final doorstep delivery and everything in between, we power meaningful, personalized journeys that keep people coming back.\nWith a platform trusted by over 100 retailers (and growing fast), strong product-market fit, and real momentum, we’re scaling up - and looking for a Senior Backend Engineerto help us take things to the next level.Who you are:\nYou love clean, efficient backend code and take pride in solid architecture.\n\nYou’re comfortable owning projects end-to-end and thrive with real responsibility.\n\nYou see the bigger picture - how your code supports the product, the customer, and the business.\n\nYou're curious, collaborative, and like solving tough problems without taking yourself too seriously.\n\nWhat you’ll do:\nDesign and build scalable backend systems that power real-time interactions.\n\nTake full ownership - from planning and implementation to deployment and monitoring.\n\nWork with a modern stack: Kotlin, AWS, Docker, Kubernetes, and more.\n\nHelp shape the technical direction of a growing, product-led company.\n\nWhat you bring:\n5+ years of backend production experience with Kotlin, Java, Scala, Go (Kotlin is a strong plus).\n\nExperience in fast-moving startup environments, where things ship fast and ownership runs deep.\n\nSolid hands-on experience with both NoSQL and relational databases.\n\nExperience with AWS and containerization tools (Docker, Kubernetes).\n\nBonus: familiarity with Rust, CI/CD, ML/NLP, or DevOps practices.\n\nExtra credit: experience building or orchestrating multi-agent AI systems (e.g., LangChain, CrewAI, AutoGen) to coordinate LLM-based workflows.\n\nBonus: hands-on work with agent orchestration or autonomous AI frameworks that enable tool use and inter-agent communication.\n\nStrong communication skills and solid English - written and spoken.\n\nWhy Package.ai?\nAt Package.ai, you won’t be just another engineer. 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