Hann Olla

224-***-**** - adro12@r.postjobfree.com

Professional Summary

7+ years of experience in application integration, implementation, and development.

4+ years of experience in MuleSoft ESB and AnyPoint Platform. Good experience in Enterprise and community edition of Mule ESB 4.x.

Good experience in developing Mule ESB flows and integrating Service Oriented Architecture (SOA) and Enterprise Application Integration (EAI) using Mule runtimes.

Good experience on all API life cycles Designing RAML Specifications, Publishing to exchange, Building APIs, deploying to the Cloud and Managing APIs.

Strong experience in Dataweave Transformations, Error Handling and MUnit Testing.

Strong experience in implementing Service Oriented Architectures (SOA) using XML based Web-Services SOAP and REST Web Service.

Experience in CI/CD process with Jenkins, GIT and Bitbucket Experience in different IDEs like Eclipse, RAD, and NetBeans, Any-Point Studio and Maven.

Good experience on all phases of Software Development Life Cycle (SDLC) and working environment in Agile.

Experience in working with RDBMS like MySQL, SQL Server, ORACLE, and DB2.

Familiar with SAP and Salesforce Integration with Mulesoft.

Experience in financial and retail domain. Excellent communication and documentation skill, good team player.

Skills

AnyPoint Platform:

Mule ESB, API Designer, MMC, CloudHub, Runtime Manager, Exchange, AnyPoint Studio, VPC, V-Core, Workers.

Web Technologies:

HTML, WSDL, CSS, XML, AJAX, XSLT.

Languages: C, C++, Java, J2EE, Dataweave, Python, Ruby

Databases: Oracle 9i, 10g, PL/SQL, HQL, MS SQL, IBM DB2

Mule: Mule 3.9.x/4.1.x, AnyPoint Studio 6.5/7.5 and MMC

J2ee Technologies:

Servlet, JSP, JSON, JDBS, XMI.

Tools & Utilities: SVN, GIT, Jenkins, Ansible, AWS, Azure, Artifactory, Nexus.

Servers: Tomcat 6.1, Web logic 6.X/7.0, JBoss

Work History

06/2021 to Current

MuleSoft Developer

Baxter Healthcare Corporation – Chicago, IL

Create RAML specification with best practice by making it modular using fragments (Trait, resourceType, type and mock data) in separate file

Implement complex message transformation using Dataweave

Create MULE ESB 4.x artifact and configured MULE configuration files

Create flows that provide and consume services (SOAP & RESTful)

All APIs interfaced with DB, Queues, Topics and SFTP Systems

Implement OAuth for the APIs using Okta external identity provider

Configure API Policies for Client id and Secret Enforcements

Implement Error handling Strategy for the API Systems

Manage API build and deployment using Jenkins and Git and Maven for CICD process

Create batch process that synchronizes salesforce with oracle database

Create APIs with JSON Based RESTful Services

Create integrations between SAP and salesforce using Mulesoft

Connectors and Components used: DB for Oracle with connection Pooling, salesforce, Message Enricher Scope etc

Environment: WSDL, SAP, SOAP, JSON, JMS, MuleSoft, SVN, ActiveMQ, Servlets, MMC, AnyPoint Studio, CloudHub, GitHub, XML, XSD, XSLT, XPATH, Jerkins, GIT.

10/2018 to 05/2021

MuleSoft Developer

BMO Harris Bank, Illinois – Chicago, IL

Actively involved in technical meetings, requirements gathering, analysis, planning, effort estimations, development, and testing

Develop the services interface to access core services & provisioning services using Mule ESB 3.9.2

Create flows that provide and consume services (SOAP & RESTful)

Create http inbound & outbound flows, routing, orchestration, transformations, and Security of Mule ESB application using OAuth

Create API Proxy and deploy to API Gateway

Create flows in design studio

Utilize various connectors such as Salesforce, FTP, HTTP, VM, File, SMTP, SFTP, Servlet, and Database

Create MULE ESB artifact and configured the MULE configuration files and deployed

Develop Mule ESB projects for the services with synchronous and asynchronous Mule flows

Troubleshoot issues with message flow services and provide quick turnaround for fixing and testing

Environment: Spring MVC, SOAP, Nexus, Java, XPATH, AnyPoint Studio, MuleSoft, Jerkins, GIT, SVN, MMC, SD, ActiveMQ, RabbitMQ, Servlets, JAXP, JAXB, WSDL, XML

02/2015 to 09/2018

Java Developer

Citigroup – New York City, New York

Worked with core Java business components and services including Soap and RMI

Multi-tier development environment with rigorous testing and documentation requirements

Involved in the full life cycle of software design process of other projects, including prototyping, proof of concepts, design, interface implementation, testing and maintenance

Provides L3 Support for SOAP web services as main point of contact to client

Utilized Spring MVC and JSP to create a basic data modification web

Created & maintained a centralized repository of UI components, participated in usability testing & research

Wrote and executed test cases based on written design; researched and documented software bugs and implemented fix

Prepared Unit test cases and reviewing test results

Designed and developed front end using JSP and JSTL

Created web services using SOAP and producing WSDL to the Client side

Environment: Java 1.7, HTML, CSS, JSP, Struts, Apache Tomcat, Design Patterns, XML, JavaScript, jQuery, XSLT, Ant, Maven, Log4j, SQL, Junit, SVN, NetBeans

Education

Certified MuleSoft Developer 4

Bachelor's Degree: Applied Science

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