{"id":1230413,"url":"https://alion.io/job/ozi-backend-engineer","title":"Backend Engineer","company":{"id":3791238,"name":"OZi","domain":"ozi.in","url":"https://alion.io/company/ozi-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gurgaon, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Node JS","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-18T12:07:11Z","employer_posted_date":null,"last_verified_at":"2026-09-18T12:07:11Z","board_verified":false,"closed_at":null,"days_open":12,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":12},"description":"Key Responsibilities:\n\n- Design, develop, and maintain scalable backend services and APIs.\n\n- Build and optimize backend systems for Search and WMS workflows.\n\n- Develop high-performance APIs using Node.js and Java.\n\n- Work with MongoDB for data modeling, querying, indexing, and optimization.\n\n- Build and enhance search infrastructure, including indexing, ranking, filtering, and query optimization.\n\n- Develop systems supporting inventory, warehouse operations, order processing, and fulfillment workflows.\n\n- Optimize backend services for performance, scalability, reliability, and low latency.\n\n- Integrate backend services with internal and external systems through APIs.\n\n- Identify and resolve production issues and performance bottlenecks.\n\n- Write clean, maintainable, well-tested, and production-ready code.\n\n- Collaborate closely with Product, Frontend, Data, and Operations teams.\n\n- Participate in code reviews, architecture discussions, and technical design decisions.\n\n- Contribute to engineering best practices around monitoring, logging, testing, and deployment.\n\nSkills\nNode.js, Java, MongoDB, WMS, API, Backend Architecture","description_format":"text","description_chars":1143,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Baby Products"],"lifecycle":[{"event":"open","at":"2026-09-25T14:00:00Z"}],"liveness":{"score":57,"band":"ok","label":"Likely open","p_open":1,"p_active":0.764,"p_room":0.75,"age_days":12,"expected_fill_days":18,"reasons":["seen:12","velocity","win:late"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ozi-backend-engineer","json_url":"https://alion.io/job/ozi-backend-engineer.json","meta":{"generated_at":"2026-10-01T10:27:08Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1580,"day_limit":5000,"remaining_today":3420,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}