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Python Developer

Job in McLean, Fairfax County, Virginia, USA
Listing for: Hadiamondstar Software Solutions LLC
Full Time position
Listed on 2025-12-01
Job specializations:
  • Software Development
    Python, Data Engineer, Software Engineer
Job Description & How to Apply Below

Python Developer

Location:

McLean VA (only LOCAL candidates)

Note - Ex-Capital One Preferred

Overview

They need 4 strong Python Software Developers with AWS and database migration experience. The candidate will support a major transition from an older Dynamo

DB-based metadata service to a new Aurora‑backed platform. This role is primarily backend engineering, data migration, and API development—not data science.

Responsibilities
  • Develop and enhance AWS Lambda–based services using Python
  • Work on migration of data and APIs from Dynamo

    DB to Aurora (RDS)
  • Build migration scripts, transformation logic, validation utilities, and automated checks
  • Implement a temporary shim layer to connect old and new stacks during tenant transition
  • Perform thorough data validation, schema mapping, and transformation debugging
  • Contribute to syncing Aurora data with Capital One’s One Lake (internal data lake)
  • Support onboarding and metadata management for new tenants
  • Participate in knowledge transfer and handoff to internal ownership teams (ASV)
  • Ensure strong unit tests, integration tests, CI/CD behaviors, and high‑quality code
  • Collaborate closely with internal platform teams within IFX (enterprise org)
Skills
  • AWS Lambda, API Gateway / Exchange, ALB
  • Hands‑on experience with Dynamo

    DB and RDS/Aurora
  • Experience with API development, data models, and backend services
  • Experience writing unit tests, integration tests, and working with CI/CD
  • Analyze and implement business logic for data transformation and migration
  • Familiarity with working in large‑scale enterprise cloud environments
Seniority level

Mid‑Senior level

Employment type

Contract

Job function

Information Technology

Industries: IT Services and IT Consulting

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