Python Developer

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 will support a major transition from an older DynamoDB-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 DynamoDB 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 OneLake (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

Strong Python development experience (backend / server-side)

AWS Lambda, API Gateway / Exchange, ALB

Hands-on experience with DynamoDB 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