Software Engineer

Description: Senior Software Engineer - Python / PySpark (Mainframe Modernization)

Contract Duration: 24-month contract with potential conversion to Full-Time Employee (FTE)

About the Role

We are seeking a Senior Software Engineer to support the modernization of a mission-critical, mainframe-based financial application onto a distributed, cloud-native platform. This role is primarily backend-focused, with a strong emphasis on Python and PySpark, and includes occasional frontend contributions using React and Angular.

You will join a Scrum-based delivery team embedded within Corporate Accounting, working on a system that serves as the enterprise system of record for financial data and feeds downstream general ledger platforms. This is a high-impact role that directly supports enterprise financial reporting, controls, and compliance.

• Design, develop, and modernize backend services to replace legacy mainframe functionality on a distributed platform
• Build and maintain data ingestion, validation, and transformation pipelines using Python and PySpark
• Develop and support RESTful APIs using FastAPI and/or Flask
• Ensure data accuracy, reliability, and integrity for financial data feeding enterprise general ledger systems
• Collaborate within an Agile/Scrum team alongside Product Owners, Lines of Business stakeholders, and Operations teams
• Serve as a Python SME, providing technical guidance and mentorship to engineers transitioning from mainframe technologies
• Contribute to frontend development using React and Angular as required
• Participate in technical design discussions, architecture reviews, and code reviews
• Support CI/CD pipelines and cloud-native deployments using containerized platforms
• Communicate effectively through technical documentation, stakeholder discussions, and presentations to both technical and non-technical audiences

• 7+ years of professional software engineering experience
• Strong expertise in Python, including production experience with PySpark
• Backend development experience with FastAPI and/or Flask
• Frontend development experience with React and/or Angular
• Experience working with SQL Server and/or Exadata
• Hands-on experience with Kafka or other streaming platforms
• Experience working in Agile / Scrum delivery environments
• Strong communication and stakeholder engagement skills
• Proven ability to guide and mentor engineers as a senior technical contributor

• Experience in financial institutions or enterprise accounting environments
• Familiarity with financial data flows, general ledger concepts, and accounting terminology

• Agentic AI frameworks: LangGraph, LangChain, A2A
• Programming Languages: Java, Scala, SQL, HiveQL
• Big Data Technologies: Hadoop, Spark, HDFS, Hive, Cloudera, Hortonworks
• Cloud Platforms: AWS (Glue, Lambda, Redshift, S3, CloudWatch)
• ETL / ELT Tools: AWS Glue, PySpark, Databricks
• Data Integration & Migration: Kafka, data lakes, real-time streaming architectures
• Data Modeling: Dimensional models; structured and unstructured data processing
• CI/CD & Automation: GitHub Actions, Azure DevOps, Jenkins, Git, Autosys, Airflow
• Containerization & Orchestration: Kubernetes

• Senior-level individual contributor with deep backend engineering expertise
• Comfortable acting as a technical SME and mentor without direct people-management responsibilities
• Confident communicator capable of explaining complex technical systems clearly
• Collaborative, adaptable, and effective in cross-functional enterprise environments

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