Senior Back End Engineer
Quick Summary
Develop, enhance, and maintain backend services and APIs in Go supporting healthcare marketplace features Build and maintain ETL pipelines using Python to clean, transform,
Applicants must be authorized to work in the United States. In alignment with federal contract requirements, certain roles may also require U.S.
Oddball believes that the best products are built when companies understand and value the things they are working on. We value learning and growth and the ability to make a big impact at a small company. We believe that we can make big changes happen and improve the daily lives of millions of people by bringing quality software to the federal space.
We're looking for a Senior Backend Engineer to join our CMS team, building and maintaining the APIs and backend services that power Healthcare.gov tools used by millions of Americans enrolling in and exploring health coverage — including third party enrollment platforms.
Responsibilities
~1 min read- →Develop, enhance, and maintain backend services and APIs in Go supporting healthcare marketplace features
- →Build and maintain ETL pipelines using Python to clean, transform, and move data across the healthcare data ecosystem
- →Design and build REST APIs backed by PostgreSQL with a focus on reliability and backward compatibility
- →Work with AWS services including S3, Lambda, Step Functions, and Glue to support data processing and pipeline workflows
- →Write clean, well-tested code with a focus on performance, maintainability, and security
- →Support ongoing operations and maintenance of existing digital products alongside new feature development
- →Contribute to code reviews and help uphold engineering standards across the team
- Hands-on experience writing backend services in Go (Golang)
- Experience with Python for data cleaning, manipulation, and ETL workflows
- Familiarity with Pandas and/or PySpark is a strong plus
- Familiarity with FHIR or healthcare interoperability standards is a plus
- Proficiency with PostgreSQL or similar relational databases and SQL
- Experience with AWS services including S3, Lambda, Step Functions, or Glue
- Experience designing and building REST APIs in production environments
- Familiarity with federal security and compliance requirements is a plus
- Thrives in a remote, collaborative Agile environment and genuinely enjoys working closely with a cross-functional team
- Communicates clearly and openly, whether in a code review or a cross-team planning session
- Performs other related duties as assigned
Requirements
~1 min read- Applicants must be authorized to work in the United States. In alignment with federal contract requirements, certain roles may also require U.S. citizenship and the ability to obtain and maintain a federal background investigation and/or a security clearance.
- Bachelor’s Degree
What We Offer
~1 min readLocation & Eligibility
Listing Details
- Posted
- June 16, 2026
- First seen
- June 16, 2026
- Last seen
- June 23, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 67%
- Scored at
- June 16, 2026
Signal breakdown
Oddball is a service-disabled veteran-owned small business (SDVOSB) dedicated to digital modernization of federal citizen-centric services.
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