Senior Backend Software Engineer

SITE Technologies

Designing and developing backend systems for SITE Technologies, a company working on cutting-edge AI solutions in facility management. Collaborating with teams to ship backend systems for various integrations and data management.

Posted 7/10/2026full-timeChicago • Illinois • 🇺🇸 United StatesSenior💰 $165,000 - $195,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudDockerETLPostgresPythonTerraform

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

5+ years of experience in backend development, with strong proficiency in Python.
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.
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.
Experience building production APIs with FastAPI or similar Python frameworks.
Practical fluency with AI coding agents such as Claude Code and Cursor.
Exceptional candidates also have 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, and experience modernizing legacy systems while preserving production behavior.

Benefits

Comp & perks

A competitive base salary plus the opportunity to participate in SITE’s stock options plan.
Generous paid vacation and separate sick time banks.
Ten (10) Company holidays off plus 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 available on the first of the month after your hire date.
401K plan with a 4% employer safe harbor contribution.
A strong workplace culture with a smart, collaborative team.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Backend DevelopmentRelational Data ModelingETL ProcessesAPI DevelopmentData MigrationDatabase Migration ToolsAutomated TestingGeospatial Data ProcessingInfrastructure as CodeObservability Tools

Soft Skills

Strong Communication SkillsCollaboration Across Teams