Senior Spark & Python Developer

Mavens Guild

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McLean, VA Until 8/21/2026 5+ years exp H-1B sponsor history First posted March 26, 2025 Last posted March 26, 2025
Job description

What we would like to see:

In a senior developer role, you will design and build data flow and data integration processes to enhance loss prevention technologies for a leading financing firm. Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will develop, test, and deploy end-to-end solutions using full-stack development tools within AWS (EMR, S3) cloud based infrastructure.

A typical day as a Senior Spark Programmer:

  • Develop fault tolerant, streaming as well as batch data integration processes using Spark/PySpark, Java and performance enhanced SQL

  • Develop and lead development efforts of application programming interfaces to enable integration of fraud detection systems with a host of new reporting and data mining tools

  • Design and develop automation of data flow tasks and end-to-end process testing

  • Design and develop scalable frameworks to ingest, transform, store, and present loss prevention information to downstream systems

  • Implement and lead implementation of Agile best practices and a continuous integration ecosystem

  • Implement and lead implementation efforts of Spark/Python based solution architecture, scalable process frameworks, advanced analytics, and responsive RESTful services

What you will need to bring to the table:

  • 5+ years experience with processing of structured, unstructured and semi-structured data using in-memory cluster computing technologies, specifically with Spark

  • 5+ years experience as a Java programmer

  • 3+ years experience programming in Python (PySpark API)

  • 3+ years experience with cloud services offered through AWE, like EMR, Redshift, or S3

  • 3+ years experience in developing, testing and deploying RESTful APIs for high volume data streams

  • Experience with continuous integration tools like Jenkins

  • Experience working in a distributed computing infrastructure like Hadoop and/or Spark

  • Critical and analytical approach to solving technical problems

  • Excellent interpersonal skills and ability to clearly communicate highly technical concepts to business stakeholders and technical developers alike
About this role

Summary

Design and build data processes using Spark, Python, Java, and cloud services.

Job title

Senior Spark & Python Developer

Experience level

5+ years

Minimum experience

5+ years exp

Industry

financial services

Location requirements

Must be located in McLean, VA; remote options not specified.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

sparkpythonrestjavascalaAWSEMRS3SQLJenkins

Preferred skills

None specified

Specializations

sparkpythonrestjavascala
Locations

Structured locations inferred from the posting.

McLean, VA, USA

On-site City