Jane Mahan
Wrentham,MA
Summary
Highly motivated, analytical, and results-oriented AWS Solution Architect Professional Certified with significant background in a wide range of technologies. Communicates well in technical and non-technical conversations.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Principal Architect
Citizens Bank
05.2015 - 04.2023
- Principal Architect assisting 50 middleware REST service developers and providing guidance to rest of Citizens Bank on APIs
- Designed architecture for AWS cloud migrations for IBM’s MQ and IIB 10 COTs products. Designs include AWS Network Load Balancers, Auto Scaling Groups, EC2, Transit Gateways, and EFS
- Presented architectures to Architecture Review Board
- Served as active member of Architecture Review Board and Product Board representing API team
- Developed patterns for Event Driven Architecture and API Gateway integrations
- Promoted Kafka data streaming as new integration pattern working in unison with APIs
- Regularly presented to bank’s technology training academy on API architecture.
- Presented in bi-monthly capstone meetings to head of technology
- Led team to deliver Java microservices on PaaS environment on OpenShift.
- Developed microservices and created scripts for testing various configurations to autoscale Pods using K6
- Regularly collaborated with commercial team on integration architecture for payment systems such as Real Time Payments, ACH, and Wires
- Aided developers through SDLC of designs
- Led effort to reduce mainframe MIPS leading to 2 million year cost savings by using caching.
- Leveraged Hazelcast for Java microservice solutions using sidecars and IIB 10’s global cache where needed
- Developed Java and Python libraries to support code scanning using SonarCube for part of DevOps lifecycle
- Responsible for reviewing and providing feedback on API designs submitted by teams across bank using SwaggerHub
- Led effort to meet vendor API deadline for decommission
- Legacy Java services on WebSphere were updated to support vendor API changes without disrupting dependent legacy systems
- Developed REST services in Java for automobile finance application integration
- Led QA automation resources in creation of mainframe virtualization services for mocking Mainframe data via its MQ configurations for test automation. Leveraged SmartBear’s ServiceV and ReadyAPI for the solution.
- Created DevOps environment for Middleware using Maven, Jenkins, and Nexus. Jobs created for Java and IIB 10 via Maven.
Money Market Trading: Trading Ticket and REPO Notebook
Fidelity Investments; Veritude Contracts
05.2007 - 10.2014
- Worked in one of five small agile teams to develop a new money market trading system on top of an existing infrastructure
- Developed in Java, Scala, and C sharp languages. Technologies include Web Services, Mule, and Akka
- Developed in REST and SOAP Web Services
- Worked on changes to support new system in existing components as well as creating brand new components
- Team environment encouraged learning from teammates’ area of expertise and exploration in various technologies
- Regularly created enhancements for new system in existing trade and instrument Web Services
- Developed complex trade logic for settlement holding dates
- Enhanced REST event service by adding search by criteria
- Created events for tracking trade progress via EMS Topics
- Created enhancements to hydration mule process used for loading data into GFE
- Added new integration logic to existing mule process used for as400 integration
- Developed component for downstream integration as a new multithreaded application in Scala utilizing Akka framework. This Scala application handled data requests from listening on trade integration topic
- Key contributor to new orchestration web service responsible for managing complex workflows
- Developed FitNesse fixtures in C sharp and WIKI pages reflecting various test cases for automated test suite
- Responsible for product enhancements and production support for FIMT fixed income money market trading
- Supported etrading systems utilizing FIX protocol
- Supported in-house enterprise messaging system managing dealer offerings.
A/D-Mgr/Tech Expert–Web
Evergreen Investments
12.2004 - 05.2007
- Responsible for parsing and loading individual tax forms from PDF files
- Designed and developed architecture using POJO’s to convert the SED and Python scripts into configurable strategies
- Reduced processing time of 60 files with four threads from 7 hours to 1/2 hour
- Developed enhancements to multi-threaded nightly batch process that persists trades from outside parties
- Converted existing web application that displays individual tax forms into JSF, Seam, and EJB3 technologies
- Designed and developed solutions for fund allocation, data feeds, parsing files, and reporting
- Enhanced validation framework by creating another rules XML file and developing theimplementation for it to invoke
- Developed custom plug-ins and extensions for the processor
- Created a configured struts module to separate the web application from the security web application
- Created a configurable security filter via Apache’s XML digester.
Engineering Team
E-Docs
02.2004 - 12.2004
- Lead team on developing web-based application for in-house hierarchy module
- Responsible for developing new interactive input features in reporting engine to meet hierarchy requirements
- Enhanced reporting tool’s object data source to use reflection for interfacing API’s
- Developed configurations via Spring-Beans
- Instrumental in developing core features for reporting on financial application
- Set up configurable reports using Apache’s XML digester
- Created objects defining configurations for report columns, charts, template view, and SQL inputs
- Developed features for generating display of transaction data via templates and charts based on XML configurations
- Created Hibernate objects for updating/retrieving memo, category, and custom report data
- Developed batch-reporting feature for reporting engine
- Extended in-house event API that leverages JMS features with a message-driven bean
- Set up XML configurations for Hibernate objects, Spring Beans, and created the API’s used to create a batch report
- Integrated my Hibernate configurations into the Spring Framework
- Developed SQL scripts for the tables and sequences used in the Hibernate object.
Education
Bachelor of Science - Mathematics
Eastern Connecticut State University
Skills
Java, Python, Microservices, Kubernetes, Docker, OpenShift, Spring Boot, AWS, Lambda, S3, SNS, SQS, Oracle, Jenkins, Nexus, API Connect, REST, YAML, Linux, JUnit, Mockito
Certification
- AWS Solution Architect Professional, 02/01/24, 02/01/27
- AWS Solution Architect Associate, 12/01/21, 12/01/27
- AWS Developer Associate, 01/01/24, 01/01/27
Additional Information
· Built a Serverless Application using Step Functions, API Gateway, Lambda using Python, and S3 in AWS sending SNS text messages and Emails using SES.
· Created a multi-region network with VPC Peering using Security Groups, Internet Gateway, and
Route Tables using Terraform in AWS.
Timeline
Principal Architect
Citizens Bank
05.2015 - 04.2023
Money Market Trading: Trading Ticket and REPO Notebook
Fidelity Investments; Veritude Contracts
05.2007 - 10.2014
A/D-Mgr/Tech Expert–Web
Evergreen Investments
12.2004 - 05.2007
Engineering Team
E-Docs
02.2004 - 12.2004
Bachelor of Science - Mathematics
Eastern Connecticut State University