

Python Developer( US Citizen Candidates Only)
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Python Developer (US Citizens Only) in McLean, VA/Richmond, VA, offering a 12-month contract at a competitive pay rate. Requires 7+ years of experience in Python, AWS, Kafka, and data pipelines, with prior Capital One experience essential.
π - Country
United States
π± - Currency
$ USD
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π° - Day rate
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ποΈ - Date discovered
July 2, 2025
π - Project duration
More than 6 months
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ποΈ - Location type
Hybrid
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π - Contract type
W2 Contractor
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π - Security clearance
Yes
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π - Location detailed
Richmond, VA
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π§ - Skills detailed
#Spark (Apache Spark) #AWS (Amazon Web Services) #GIT #Data Pipeline #Redis #GitLab #DynamoDB #S3 (Amazon Simple Storage Service) #AWS S3 (Amazon Simple Storage Service) #Splunk #Kafka (Apache Kafka) #ECR (Elastic Container Registery) #Containers #Cybersecurity #ML (Machine Learning) #Lambda (AWS Lambda) #Java #Python #BitBucket #GitHub #AWS Lambda #"ETL (Extract #Transform #Load)" #Batch #Databases #Storage #Jira #Elasticsearch #Docker #Cloud #EC2 #Agile #Scala #Kubernetes #NoSQL #Security
Role description
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Position 1 :
Python Developer
McLean, VA/Richmond, VA (Hybrid)
12-month Contract
US citizenship
Interview Process:
β’ 1 round 1 hour, 2nd round only if needed
β’ Interview times any time this week.
Note : Must have previous Capital One Experience
Required 7+ yearsβ experience with the below:
β’ Python (primary) and Java (secondary)
β’ AWS: Lambda, ECS, EC2, Fargate
β’ Kafka or Kinesis
β’ Node.js
β’ DynamoDB
β’ RESTful APIs
β’ Experience building data pipelines (Spark experience preferred)
β’ Familiarity with performance testing is a plus
Position 2 :
Title: Senior Python Developer
Location: Hybrid in Arlington, VA (Candidate must reside within 25 miles of Fairfax, VA)
Contract: 6-month contract to full time perm position
Note:
β’ DHS Suitability clearance required
β’ Candidate must reside within 25 miles of Fairfax, VA
β’ Must have a public professional profile (LinkedIn)
β’ Must be eligible to work on vendor W2
Must Have:
β’ Expertise building highly performant, reliable, and scalable systems integrations to include ETL functionality, integrating functions between applications, and working with APIs.
β’ Expertise developing backend enterprise-level Python applications.
β’ Expertise working with a multitude of storage solutions to include relational databases, non-relational or NoSQL databases, object-relational databases, distributed data stores, and caches or in-memory data stores. Specific technologies include Elasticsearch, Splunk, Postgres, AWS s3, Redis, and memcached.
β’ Expertise developing microservice based applications utilizing components such as containers, Docker, Kubernetes, AWS ECR/ECS/EKS/Fargate, and container registries.
Required Skills
β’ Experience building highly performant, reliable, and scalable systems integrations to include ETL functionality, integrating functions between applications, and working with APIs.
β’ Experience developing backend enterprise-level Python applications.
β’ Experience working with a multitude of storage solutions to include relational databases, non-relational or NoSQL databases, object-relational databases, distributed data stores, and caches or in-memory data stores. Specific technologies include Elasticsearch, Splunk, Postgres, AWS s3, Redis, and memcached.
β’ Experience developing microservice based applications utilizing components such as containers, Docker, Kubernetes, AWS ECR/ECS/EKS/Fargate, and container registries.
β’ Experience leveraging git repositories (e.g. Github, Gitlab, Bitbucket) with an advanced understanding of branching strategies, pull requests, commits, and other key concepts.
β’ Demonstrated experience writing unit tests to ensure reliable code delivery.
β’ Expertise in creating data pipelines to include batch and streaming data such as log data or tool/sensor data.
β’ Experience leveraging message queuing systems as part of a data pipeline solution. RabbitMQ or Kafka preferred.
Desired Skills
β’ experience incorporating solutions into Continuous Integration / Continuous Delivery (CI/CD) pipelines as part of the development lifecycle.
β’ working within a team that executes work using the Agile methodology, including the use of Agile Lifecyle Management (ALM) tools such as Jira and Confluence.
β’ experience developing in a cloud environment, with an understanding of how cloud native services can be leveraged to deliver high quality products efficiently.
β’ Experience working with cybersecurity concepts, tools, technologies, and missions.
β’ Understanding of machine learning key concepts.
β’ Contributor to open source projects.