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Full-Stack Engineer (Graph Database & Real-Time Data Systems) at Hire Hangar. Remote Location: Columbia - Maryland. Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career.. Job Title: Full-Stack Engineer (Graph Database & Real-Time Data Systems). Location | Remote (US Only). Time Zone | US Time Zones (EST–PST). Role Overview:. We are seeking a Full-Stack Engineer to help build and scale a graph-database-backed social listening platform. This role sits at the intersection of backend data infrastructure and front-end visualization, supporting a product that ingests high-volume social and web data in real time and visualizes complex network relationships. The ideal candidate is comfortable working across graph databases, streaming data pipelines, and modern front-end frameworks, and thrives in a fast-moving, early-stage engineering environment.. Key Responsibilities:. - Design, build, and maintain backend services that interface with graph databases to model and query complex relationship data. - Develop and maintain real-time data ingestion pipelines handling high-throughput social and web data. - Build and optimize web scraping and crawler infrastructure to support continuous data collection. - Develop front-end features and dashboards that visualize network and relationship data in an intuitive, performant way. - Collaborate cross-functionally to translate product requirements into scalable technical solutions. - Write clean, maintainable, well-tested code across the stack. - Troubleshoot performance bottlenecks across data ingestion, storage, and visualization layers. Required Qualifications:. - Hands-on experience with graph databases (such as Neo4j, TigerGraph, Dgraph,ArangoDB, or Amazon Neptune) and graph query languages (such as Cypher or Gremlin). - Experience with real-time/streaming data infrastructure (such as Kafka, Kinesis, Flink, or Spark). - Strong proficiency in at least one backend language such as Python, Go, or Node.js/TypeScript. - Front-end development experience with React, Next.js, and TypeScript. - Experience building or working with data pipelines, ETL processes, or web scraping/crawler infrastructure. - Comfortable working in a high-growth, early-stage engineering environment with evolving priorities. - Must be authorized to work in the United States without sponsorship. Preferred Qualifications:. - Experience with data visualization libraries such as D3, Cytoscape, Sigma.js, vis.js, or Recharts, particularly for graph/network visualizations. - Experience with social listening, social media data, or large-scale web data platforms. - Familiarity with Elasticsearch, OpenSearch, Redis, or Airflow. - Prior experience at a seed-to-Series B startup. - Experience with AWS, GCP, Docker, or Kubernetes. Tools & Technology:. - Graph database platforms (Neo4j, TigerGraph, Dgraph, ArangoDB, or similar). - Streaming/data pipeline tools (Kafka, Spark, Flink, or similar). - React, Next.js, TypeScript. - Python, Go, or Node.js. - Cloud infrastructure (AWS/GCP), Docker, Kubernetes.  . We connect top talent with vetted employers, competitive pay, and real growth opportunities.