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Infographic showing various Hourly Freelance Backend Developer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 54% Full Time, 39% Part Time, 1% Temporary, 4% Contract, and 1% Nights. Highlights an 96% Physical, and 4% Remote job distribution.

Backend / Integration Engineer

Washington, DC

Innodata Inc.
IT Services • 501 - 1,000 employees

7.5

Company rating: 7.5 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

166th of 246 rated software companies

Good employer

Respectful managers

Good training

Learn more about Innodata Inc.external

$75 - $80/hr

Full-time

Re-posted 20 days ago

Job description

About the Program:

Innodata's Federal Practice builds the trusted data layer for critical infrastructure Trust & Safety work. Partnering with a leading systems integrator, we're delivering a modern, governed data services platform in a secure federal (IL4) environment. Over an intensive 20-week phase, you'll help stand up a data services storefront, a DataCard governance framework, synthetic data integration, and Databricks write-back capabilities.

About this Role:

As the Backend/Integration Engineer, you'll build the connective tissue of the platform. You'll develop the data services storefront's backend, stand up ingest pipelines, and implement reliable write-back into our data lakehouse so results flow cleanly across systems. Working alongside the Solution Architect, you'll make sure the platform's components integrate securely and perform under real workloads in a federal (IL4) environment. It's a strong fit for a backend engineer who likes owning integrations and turning architecture into working plumbing.

Key Responsibilities:

  • Implement Databricks REST API write-back for labeled outputs, DataCard provenance records, and synthetic content outputs
  • Build and validate the Duality back-end integration: catalog intake form configuration, parameter translation to Duality generation API, async job lifecycle management (submission, tracking, retry, completion), output handling
  • Implement ServiceNow REST integration for white-glove routing intake path
  • Build and maintain storefront backend services (API layer between frontend UI and platform components)
  • Implement DataCard write-back path in coordination with Solution Architect
  • Design and maintain async job queue management and retry logic across all integration surfaces
  • Structure output metadata for DataCard provenance records per DoD distribution statement requirements

Must-Have Qualifications: 

  • Bachelor's degree in Computer Science, Software Engineering, or related field required. Equivalent experience may substitute for degree on a 2-for-1 basis.
  • 6+ years total professional experience, 4+ years backend or API integration engineering
  • Python backend development - strong, production-grade
  • REST API integration with async job lifecycle patterns (submission, polling, retry, webhook handling)
  • Databricks REST API or strong Spark/Databricks platform familiarity
  • JSON schema design and structured metadata handling
  • Active Secret clearance with TS/SCI eligibility

Nice-to-Have Qualifications:

  • ServiceNow REST API integration experience
  • Federal program API integration background
  • ZenML or ML orchestration pipeline familiarity
  • React or modern frontend experience for storefront skeleton support

The expected hourly salary range for this position is $75 to $80 p/hour, based on experience, skills, and qualifications.

Note to Candidates: 

The Databricks write-back and Duality integration are the two highest-complexity tasks in Phase B. Candidates should be prepared to discuss async API integration patterns and their approach to retry logic and error handling in federal-data environments during the interview.

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