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Senior Sales Consultant

360 Technology, Irving, TX, United States


We are seeking a highly experienced

Senior Python Developer

with deep expertise in

PySpark and distributed data processing

to lead and execute the migration of complex legacy data processing systems to scalable Python and PySpark-based services. The role requires strong banking domain knowledge and the ability to work onsite with business and technical stakeholders to modernize legacy data and processing platforms.

Key Responsibilities

Analyze and understand complex legacy data processing logic used in banking systems.

Design and implement scalable Python and

PySpark-based

data processing solutions using industry best practices.

Migrate business-critical logic related to banking operations such as payments, accounts, transactions, risk, or reporting into distributed data pipelines.

Develop batch and large-scale data processing jobs using

PySpark .

Ensure functional parity, performance optimization, and data integrity during migration.

Optimize data transformations and refactor procedural logic into modular, scalable PySpark jobs.

Collaborate onsite with data engineers, architects, business analysts, and QA teams.

Perform unit testing, integration testing, and data validation post-migration.

Document migration approaches, code logic, and technical designs.

Required Skills & Qualifications

10+ years of overall software development experience.

Strong hands-on experience with

Python (3.x) .

Extensive experience with

PySpark and distributed data processing frameworks .

Strong understanding of Spark architecture (RDD, DataFrames, Spark SQL).

Experience building and optimizing large-scale ETL/data pipelines.

Strong SQL knowledge and query optimization skills.

Experience migrating legacy data processing systems to Python/PySpark-based pipelines.

Experience working with:

REST APIs

Object-oriented and functional programming in Python

Technical Skills

10+ years of overall software development experience.

Strong hands-on experience with

Python (3.x) .

Extensive experience with

PySpark and distributed data processing frameworks .

Strong understanding of Spark architecture (RDD, DataFrames, Spark SQL).

Experience building and optimizing large-scale ETL/data pipelines.

Strong SQL knowledge and query optimization skills.

Experience migrating legacy data processing systems to Python/PySpark-based pipelines.

Experience working with:

REST APIs

Object-oriented and functional programming in Python

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