{"id":1457213,"url":"https://alion.io/job/1digitalstack-backend-engineer-node-js","title":"Backend Engineer - Node.js","company":{"id":3320,"name":"1Digitalstack","domain":"1digitalstack.ai","url":"https://alion.io/company/1digitalstack","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":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"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":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"BullMQ","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Express","optional":false},{"name":"GCP","optional":false},{"name":"JavaScript","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Claude","optional":true},{"name":"ClickHouse","optional":true},{"name":"Copilot","optional":true},{"name":"Cursor","optional":true},{"name":"Presto","optional":true},{"name":"Trino","optional":true}],"status":"live","first_seen_at":"2026-09-29T10:38:51Z","employer_posted_date":null,"last_verified_at":"2026-09-29T10:38:51Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"We are looking for a Backend Software Engineer with strong hands-on expertise in Node.js, PostgreSQL, RabbitMQ, and Redis to join our core data services engineering team. In this role, you will design, build, and scale distributed microservices, REST APIs, and event-driven data pipelines handling high-throughput transactional and analytical workloads.\nResponsibilities:\nMicroservices and API Architecture: Architect, build, and maintain scalable, low-latency microservices and RESTful APIs using Node.js, Express.js, and TypeScript.\nDatabase Design and Performance Tuning: Design relational database schemas in PostgreSQL; optimize complex SQL queries, composite indexing, and database connection pools under concurrent traffic.\nEvent-Driven Architecture: Implement event-driven queues, asynchronous background processing, and worker nodes using RabbitMQ to ensure fault-tolerant data flows.\nIn-Memory Caching and Distributed Locking: Implement high-performance caching strategies, rate limiting, and distributed locking logic using Redis.\nContainerization and CI/CD: Containerize microservices using Docker and maintain automated deployment pipelines across cloud infrastructure (AWS/GCP).\nSystem Ownership: Take full end-to-end ownership of backend services from technical design and code reviews to production deployment, monitoring, and debugging.\nRequirements:\nExperience: 3 to 5 years of solid hands-on experience in backend software development.\nCore Stack: Expert-level proficiency in Node.js, Express.js, and JavaScript (ES6+) / TypeScript.\nDatabase Mastery: Strong hands-on expertise in PostgreSQL (schema design, complex query writing, indexing, and performance tuning).\nMessaging and Queues: Proven experience in asynchronous processing and event-driven architectures using RabbitMQ (or Kafka/BullMQ).\nCaching and Storage: Hands-on experience with Redis for caching, rate limiting, and session management.\nDevOps and Infrastructure: Strong experience with Docker containerization and CI/CD workflows.\nMindset: Strong logical reasoning, problem-solving skills, and a high-ownership startup mindset.\nNice-to-Have Skills (Bonus):\nExposure to analytical data engines and semantic layers like Trino, Presto, ClickHouse, or Cube.js .\nPractical experience with Python for data workflows or automation.\nExperience handling high TPS loads, large-scale batch pipelines, or high-volume transactional systems.\nExperience using modern AI development tools (e. g., Cursor, Claude, and GitHub Copilot) to accelerate engineering workflows.","description_format":"text","description_chars":2537,"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":["E-commerce Marketing","Retail & Commerce AI","Retail & Pricing Analytics"],"lifecycle":[{"event":"open","at":"2026-09-29T10:38:51Z"}],"visa":[],"liveness":{"score":82,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.817,"p_room":1,"age_days":4,"expected_fill_days":18,"reasons":["seen:4","win:early"],"computed_at":"2026-10-04T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/1digitalstack-backend-engineer-node-js","json_url":"https://alion.io/job/1digitalstack-backend-engineer-node-js.json","meta":{"generated_at":"2026-10-04T22:42:02Z","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":"search","counted_by":"address","units_charged":0,"used_today":0,"day_limit":null,"remaining_today":null,"minute_limit":null,"resets_at":"2026-10-05T00:00:00Z"}}}