Senior GIS Developer

Job title: Senior GIS Developer

Job Location: Bellevue, WA / Overland Park, KS / Herndon, VA - Onsite

Job Type: Fulltime

Job Description:

Must Have Technical/Functional Skills

Seeking a Senior Developer/Lead with expertise in building scalable geocoding, address parsing, and location intelligence solutions. The ideal candidate should have strong experience in AWS OpenSearch, Node.js, NLP/ML, and geospatial search technologies, along with the ability to lead architecture and delivery of enterprise-grade platforms.

• Expertise in GIS and geospatial concepts, coordinate systems, distance-based queries
• Expertise in libpostal or similar address parsing libraries, Multilingual and regional address handling
• ArcGIS, PostGIS, OpenStreetMap, Pelias
• AI/GenAI-driven search and geocoding optimization techniques
• AWS OpenSearch/Elasticsearch (Indexing, Query DSL, Analyzers, Performance Tuning)
• Fuzzy Search, Bool Queries, Phrase Matching, Geospatial Search
• Experience in Node.js, NestJS, TypeScript
• NLP/ML experience (CRF, Sequence Labeling, NER, Model Training)
• AWS EC2, S3, Cloud-based ML pipelines
• Search benchmarking, accuracy testing, and data quality frameworks
• Experience with Rust-based Node.js extensions (Neon or napi-rs)

Roles & Responsibilities

• Build and optimize OpenSearch indices, analyzers, and search queries.
• Develop scalable APIs using Node.js, NestJS, and TypeScript.
• Implement address parsing and normalization solutions using NLP/ML techniques.
• Optimize search relevance, performance, and geocoding accuracy.
• Lead technical design, code reviews, and engineering best practices.
• Leverage AI/ML to improve address matching, data quality, and automation.

Education

• Bachelor's degree