Citian
SaaS platform for transportation safety and infrastructure accessibility.
Company facts
- Founded
- 2019
- Employees
- 52
- Headquarters
- United States
- Type
- Private
- Funding
- Seed · $2.5M · 2025
Open positions
Senior AI Product Engineer
Senior engineer at Citian (Washington, DC) who builds and ships production LLM-powered features inside its transportation/infrastructure SaaS, owning them end to end — data access, AI evaluations, security/permissions, and production reliability. Core stack: Python/TypeScript, PostgreSQL, LLMs, with AWS/Snowflake preferred.
Senior Platform Engineer
Citian, a venture-backed SaaS company building traffic-safety and transportation software for state and local governments, is hiring its first dedicated platform engineer. They'll own CI/CD, AWS infrastructure as code, observability, on-call, and databases (PostgreSQL, Snowflake, S3), with an AI-first approach to internal tooling and agents.
Senior Security Engineer
Hands-on Senior Security Engineer at Citian, a DC-based SaaS company serving transportation agencies. Leads security and compliance: securing AWS GovCloud crash-data systems, turning CJIS/SOC 2/NIST 800-53 requirements into controls, vulnerability management, and incident response. Core tech: AWS, Terraform/CDK, TypeScript/Python.
Data Engineering Lead
Lead a data engineering team building scalable pipelines and ETL processes in Python/SQL to power AI-driven transportation and infrastructure analytics for U.S. clients.
AI Engineer - Data Success
Design and integrate AI models into transportation infrastructure software, ensuring outputs meet civil engineering standards and improving data quality for safer, smarter cities.
Transportation Data Scientist
Data Scientist at Citian builds and deploys machine learning and NLP models for traffic safety, mobility, and city planning use cases, working with large textual and geospatial datasets in Python/SQL and tools like HuggingFace, PyTorch, Snowflake, and AWS at a venture-backed transportation SaaS startup in Washington, DC.
Director Data Success
Citian is a fast growing, venture backed SaaS technology company based in Washington, DC. Our software solutions revolutionize how our transportation and infrastructure systems – roads, rail, transit, bicycle,…