SITI ZELK
************@*****.*** 773-***-****
ww.linkedin.com/in/siti-tech U.S. Citizen
Professional Summary
• Integration engineer with approximately 8+ years across the full software development life cycle; requirements, design, development, testing, deployment, and production support
• Experienced in Strong business and technical experience in requirements gathering including Designing, development, implementation, and installation EAI using MuleSoft.
• Experienced in designing and developing enterprise services using RAML in Mule, REST based API’s, SOAP web services and use of different mule connectors
• Good experience in several connectors like HTTP, Database, Salesforce, Workday, Azure, IBM MQ, File and SFTP, ServiceNow,
• Experience on creating Flows, Sub Flows, and Exception handling strategies, Data Weave Transformation and Mule Expression Language (MEL).
• Leveraged CI/CD tools like Azure DevOps pipeline, Jenkins, GitHub, Maven, and Anypoint Runtime Manager.
• Experience in Observability and triage with Anypoint Monitoring, Insight, Splunk, and Dynatrace; correlation-based tracing; slow step analysis; post release validation.
• Testing discipline with MUnit and Postman collections stored in source control; scenario coverage for success, failure, and edge paths.
• Experience in Documentation and enablement in Anypoint Exchange for monitoring and operational handoffs.
• Good experience in Financial, Healthcare and Retail domain.
• Effective communication and interpersonal skills, ability to work in a team/independently and adapt quickly to new and emerging technologies. TECHNICAL SKILLS
• AnyPoint Platform: Mule ESB, API Designer, Cloud Hub, Runtime Manager, Exchange, AnyPoint Studio, VPC, V-Core, Workers.
• Connectors: HTTP, Salesforces, Database, MySQL, PostgreSQL, DB2 PL/SQL,FILE, FTP, Oracle 9i, JMS, SQL, IBM DB2, Mainframe, Salesforce and ServiceNow,
● API & Web Services: REST, SOAP, RAML, API Gateway, OAuth 2.
• DevOps & Tools: Jira, Git, Azure DevOps, Jenkins, SonarQube, Postman, Confluence. Tools & Utilities: Artifactory, Nexus, Splunk, Dynatrace, Detail Oriented, Documentation.
• Deployment, XML Analysis, JSON, SOAP, Jenkins,
• Problem Solving Skills: Monitoring, Splunk, ITCAM, Dynatrace EXPERIENCE
Unum Remote — MuleSoft Developer
August 22, 2022 – Present
• Led the Runtime Fabric (RTF) conversion of legacy on-premise MuleSoftapplications to ensure cloud-native compatibility and higher availability.
• Contributed to high-impact enterprise integration initiatives involving multiple internal and external systems across onboarding, communication, and delivery platforms.
• Developed and deployed APIs using MuleSoft 4.x and DataWeave 2.0, leveraging Salesforce integrations.
• Migrated Java 17 upgrade testing, RTF runtime upgrades (4.4 to 4.6.7), and modernized connectors.
• Built and hardened create and update flows for person and employment, managed party relationships and source relationship removals
• Consolidated three apps into a single clear doc set for consumers
• Pulled certification data and updated Mainframe; created and closed onboarding tasks.
• Built an internal platform upgrader app for Runtime Fabric and Java 17 migrations; automated checks and upgrades; cut manual effort and platform spend through consolidation and API reuse.
• Implemented an immediate lookup service that returns the active communication preference by phone number; enforced ApiKey and Mutual TLS; enabled downstream systems to choose the correct channel.
Environment: Anypoint Studio 7.17, Mule ESB, Anypoint platfon, Java, CloudHub,, RTF runtime, XML, Log4j, Azure DevOps Pipelines, Maven; Git; Artifactory; SonarQube; Splunk; Dynatrace; Postman; Bitbucket, Postman, Soap UI, DB2, IBM MQ, Oracle Database,. ActiveMQ 5.3, AWS, Melon Technologies LLC Remote — MuleSoft/API Developer July 2021 – July 2022
• Built an integration that ingested online orders from the commerce site and pushed them into the back-office system.
• implemented fulfillment status callbacks from the logistics provider back to the commerce site; created a webhook listener; updated order status and notifications; added audit logging
• Designed and deployed APIs using MuleSoft 4.x, RAML, and various connectors (DB, SFTP, MQ, SMB).
• Designed and implemented RESTful APIs and SOAP APIs for customer-facing applications, improving the user experience.
• Make use of Mule components such as Data Weave, File Transport, SMTP Transport, FTP/SFTP Transport, and JDBC Connector.
• Design and develop enterprise services API specification using RAML and REST schema
• Use MuleSoft flow-control palette to optimize message processing, specifically in Scatter- Gather & Choice-Router to call multiple services in parallel and a specific function based on information from the request
Environment: GIT, SVN, Maven, Jenkins., Anypoint Studio 6.5/7.5, Java 7, Data Weave, Cloud Hub, MS-SQL, Salesforce, SAP, REST full, Anypoint Platform, Mule 3.9.x/4.1.x.. BMO Harris Bank Chicago, IL — Integration Developer/API April 2020 – June 2021
• Participated in business requirement gathering and Mule flow development.
• Built RAML specs, APIs, transformations with DataWeave.
• Created reusable error handling strategies and logging.
• Applied flow controls and integration patterns.
• Ensured performance and scalability using best practices
• Design and implement exception handling, logging, JSON Schema Validation as common reusable components across multiple message flows.
• Create MUnit test cases to validate the Mule flows.
• Worked on data integration projects, handling large volumes of data and ensuring data quality and integrity.
• Participate in 24X7 production support effort after application go-live.
• Create RAML 1.0 specification file based on blueprint mapping document in Anypoint portal's API manager
• Use API-Kit Router and CXF to build the initial flow structure from the
• Configure core java components like Log4j to monitor the logs in the server. Environment: Mule ESB, Anypoint Studio, Cloud Hub, ActiveMQ, RAML, ActiveMQ, Apache Maven, CloudHub, XML, XSLT, SQL, Log4J, Web Services - WSDL, SOAP, Jenkins. US Bank, Minneapolis, MN - SOFTWARE ENGINEER, JAVA April 2018 – March 2020
● Designed and developed the web application using Java Server Pages (JSP) and Servlets, Struts, and spring Framework, ensuring the project aligned with overall business line strategy and corporate goals.
● Built web services in SOAP and REST—supporting both XML and JSON by taking advantage of Spring Technologies.
● Produce both high-level and low-level design documents as part of the development process as well as test documents.
● Create responsive web pages using HTML5, CSS3, JavaScript and jQuery.
● Use Spring Framework for Dependency Injection and integrated Spring with Struts.
● Create UI components using JSP/JSF, HTML, CSS.
Environment: Java, J2EE, WebLogic 11.1.1, JSP1.2, JavaScript, JMS, Struts 1.3, HTML, CSS, selectors, pseudo classes, XML, XSLT, SOAP, Hibernate 3.0, Session Bean (EJB), Oracle 10g, Oracle ADF.
Humana Louisville, KY — Java Developer
April 2017 – March 2018
• Built MuleSoft flows integrating with ActiveMQ and Salesforce.
• Developed REST/SOAP services with security features.
• Created Spring MVC web apps with Hibernate integration.
• Developed responsive UI and consumed SOAP/REST services.
• Used Log4j for logging and JUnit for testing.
Environment: MQ FTE, Oracle, Java, Hibernate 2.0, spring 3.0, Jenkins, Maven, Nexus, Git, SoapUI, POSTMAN.
EDUCATION & CERTIFICATIONS
• Bachelor’s in computer science – Admass University
• MuleSoft Certified Developer Level 1
• MuleSoft Certified Developer Level 2
INTERESTS
• Software Development
• Passionate about creating innovative software solutions that improve business operations and user experience.
• Cloud Computing
• Enthusiastic about leveraging cloud technologies to enhance scalability, flexibility, and efficiency.
• Mentorship and Team Building
• I am committed to mentoring junior developers and fostering a collaborative team environment.
• Cycling and ice skating
• Enjoy exploring new trails ice skating and challenging myself physically and mentally through long-distance cycling