Senior Backend Software Engineer

• 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

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
• Experience modernizing legacy systems while preserving production behavior

What we have to offer:

• This is a remote, US based position that can be based in one of 18 states where SITE is an employer.
• 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.

More Reasons to join SITE Technologies:

• Exciting Startup Energy – Be part of an early-stage company where your work truly makes a difference.
• Collaborate with Brilliant Minds – Work alongside top talent in AI, tech, and business.
• Professional Growth – Expand your skills and grow your career in an innovative company.
• Great Culture – We value innovation, ownership, and having fun while making an impact.