Senior Backend Software Engineer

SITE Technologies•Chicago, IL

4d•Hybrid

About The Position

SITE Technologies is seeking a thoughtful and versatile Senior Backend Software Engineer to help build and evolve SITE's platform and related customer systems. The ideal candidate is a pragmatic, product-minded engineer who can translate complex operational workflows and user needs into clean domain models, reliable data models, and stable API contracts. This person will work closely with frontend developers, product managers, data teams, and business stakeholders to ship backend systems for geospatial data, imagery, asset workflows, reporting, third-party integrations, and AI product experiences.

Requirements

Very strong ability to reason from first principles about backend architecture, workflow modeling, API boundaries, data consistency, security, and operational failure modes
Strong communication skills and ability to work across product, frontend, data, and business teams
5+ years of experience in backend development, with strong proficiency in Python
Experience building production APIs with FastAPI or similar Python frameworks
Strong understanding of relational data modeling, PostgreSQL, SQLAlchemy or comparable ORM libraries, and database migration tools such as Alembic or Flyway
Experience with AWS backend services such as ECS, Lambda, RDS, S3, IAM, etc.
Experience with Docker, Git, and designing and maintaining CI/CD pipelines with GitHub Actions, AWS CodePipeline, or similar tools
Practical fluency with AI coding agents such as Claude Code and Cursor

Nice To Haves

Experience working in a dynamic startup environment
Knowledge of infrastructure as code, preferably Terraform and Terragrunt
Experience with observability tools such as Datadog and Sentry
Experience designing authentication and authorization flows
Experience with 2D and 3D geospatial data
Experience with ETL pipeline development, data migration, or large-scale unstructured data processing
Experience building agentic systems with tools such as LangGraph, Claude Code SDK, Amazon Bedrock
Experience modernizing legacy systems while preserving production behavior

Responsibilities

Design, develop, and maintain core backend APIs and services, primarily in Python and FastAPI
Translate complex product workflows into clear domain models, relational schemas, service boundaries, and API contracts
Build reliable integrations across geospatial, media, reporting, asset management, and third-party vendor systems
Improve CI/CD pipelines, release practices, automated testing, and developer workflows
Develop and maintain ETL and data migration processes when needed, especially for imagery, geospatial, and operational data
Contribute to cloud infrastructure design, security, observability, performance, and production reliability

Benefits

Competitive base salary
Opportunity to participate in SITE’s stock options plan
Generous paid vacation
Separate sick time banks
Ten (10) Company holidays off
Two (2) floating holidays
Two (2) paid days per year to do volunteer work
Paid parental leave benefits available after ninety (90) days of employment
Employee health, dental, vision, life and short-term disability coverage at no cost
401K plan with a 4% employer safe harbor contribution