JAVA/Python AWS

Job Title: Java/Python AWS
Client: Vanguard
Location: Malvern, PA
Work Mode: Hybrid, only w2

Job Description:

* Design, develop, and maintain account synchronization processes between the legacy Transfer Agent (TA) platform and the modern AWS-based TA platform.
* Implement data integration, transformation, and reconciliation logic to ensure accuracy, completeness, and timeliness of account data across systems.
* Build and support APIs, batch jobs, and event-driven services leveraging AWS-native services and approved integration patterns.
* Ensure data integrity, security, and compliance with regulatory, audit, and enterprise standards throughout the synchronization lifecycle.
* Collaborate with product owners, architects, and legacy system SMEs to translate business and technical requirements into reliable solutions.
* Develop and execute unit tests, integration tests, and validation scripts to support end-to-end account sync scenarios and defect resolution.
* Monitor, troubleshoot, and optimize sync performance, error handling, and logging, including root cause analysis of data discrepancies.

Qualifications:

* 5+ years of professional software development experience, with a focus on backend, integration, or data-intensive systems.
* Demonstrated experience designing and building system-to-system data synchronization or migration solutions between legacy and modern platforms.
* Strong proficiency in AWS cloud services, such as Lambda, S3, DynamoDB/RDS, Step Functions, SNS/SQS, API Gateway, or equivalent managed services.
* Hands-on experience developing APIs, batch processing jobs, and event-driven architectures.
* Solid understanding of data modeling, data transformation, reconciliation, and validation techniques for financial or account-based data.
* Experience working with relational and NoSQL databases, including writing performant queries and handling large data volumes.
* Knowledge of security best practices, including data encryption, IAM, secure data transfer, and audit/logging controls.
* Familiarity with CI/CD pipelines, source control (Git), automated testing, and code review practices.
* Experience working in Agile/Scrum environments, collaborating closely with product owners, architects, and operations teams.
* Strong troubleshooting and analytical skills, with the ability to identify root causes of data discrepancies and system failures.
* Excellent written and verbal communication skills, including the ability to produce clear technical documentation.

Preferred / Nice to Have

* Prior experience in Transfer Agent, financial services, or regulated environments.
* Exposure to legacy mainframe or monolithic systems and modernization initiatives.
Familiarity with data governance, reconciliation controls, and audit readiness in financial platforms