Senior Back End Engineer

Role Overview

Oddball is seeking a Senior Backend Engineer to join its CMS team, building and maintaining the backend services and APIs that power Healthcare.gov tools used by millions of Americans enrolling in and exploring health coverage.

Responsibilities

• Develop, enhance, and maintain backend services and APIs in Go for healthcare marketplace features
• Build and maintain ETL pipelines in Python to clean, transform, and move data across the healthcare data ecosystem
• Design and build REST APIs backed by PostgreSQL, with reliability and backward compatibility in mind
• Work with AWS services (e.g., S3, Lambda, Step Functions, Glue) to support data processing and pipeline workflows
• Write clean, well-tested code emphasizing performance, maintainability, and security
• Support ongoing operations and maintenance of existing digital products while delivering new features
• Participate in code reviews and uphold engineering standards across the team

Requirements

• Hands-on experience building backend services in Go (Golang)
• Experience with Python for data cleaning, manipulation, and ETL workflows
• Strong PostgreSQL and SQL skills
• Experience building production REST APIs
• Experience with AWS services including S3, Lambda, Step Functions, or Glue
• Ability to thrive in a remote, collaborative Agile environment and communicate clearly across teams
• US work authorization; some roles may require US citizenship and the ability to obtain/maintain a federal background investigation and/or security clearance

Nice to Have

• Familiarity with Pandas and/or PySpark
• Familiarity with FHIR or healthcare interoperability standards
• Familiarity with federal security and compliance requirements

Benefits / Logistics

• Fully remote
• Tech & education stipend
• Comprehensive benefits package (including 401(k) match)
• Flexible PTO and paid holidays