Varun Kumar
Verified Expert in Engineering
Integration Developer
Varun is a senior middleware integration developer with several years of extensive, hands-on experience working with integration tools such as MuleSoft and webMethods, including being a certified MuleSoft developer. Varun has used these tools to integrate with several apps that run on Salesforce, SAP, APTOS (merchandising system), order management system (IBM Sterling), and Workday across domains such as retail, utility, banking, aviation, and automobile.
Portfolio
Experience
Availability
Preferred Environment
Oracle, SQL, JSON, RAML, API Integration, REST, SOAP, APIs, webMethods, Mule Runtime Engine, Mule ESB, MuleSoft
The most amazing...
...thing I've developed is a university website where students can enroll by selecting their respective courses.
Work Experience
Solutions Architect
Commonwealth Financial Network
- Developed the affiliates APIs that integrate between A360 advisor services and common wealth network.
- Developed a common logging framework that is used across all the APIs across CFN.
- Successfully deployed multiple APIs to production.
- Developed an error-handling framework that has been added to all CFN APIs.
Senior Integration Developer
City National Bank
- Developed APIs for a mobile application along with integrating banking systems such as FIS (Fidelity National Information Services) and TSYS (Total System Services).
- Implemented APIs using API-led connectivity and various MuleSoft product stacks like Designer, Exchange, API Gateway, and so on.
- Implemented a caching mechanism to improve the performance of the applications.
- Collaborated with enterprise architects and IT program managers to enhance existing business applications and facilitate solutions to meet business requirements.
- Developed mobile-based applications and integrated them with enterprise products.
- Developed mobile banking applications such as banking accounts, creation of payments, creation of payees, credit card transactions, and login credentials validation against ISAM.
Senior Integration Developer
Air Canada
- Developed REST APIs using the MuleSoft Anypoint API Platform.
- Contributed to the API design sessions to decide the various resources within each API, message schemas, message formats, and authentication.
- Created Mule flows using endpoint connectors and components using Mule ESB to integrate client/server systems.
- Identified, analyzed, and developed interfaces and integration flows using the Mule ESB Anypoint platform including Mule runtime and connectors.
Senior Integration Developer
Tory Burch
- Designed and developed enterprise services using RAML and REST-based APIs and used various transformers in Mule ESB based on the use case along with implementing custom transformations.
- Worked on various EDI (ANSI X12) standards, IDOC standards, XML messages, and SAP IDOCs.
- Designed integration solutions for the database (Oracle) to SAP (S4).
- Configured WM Adapters like SAP, JDBC, Siebel (basics), XML, flat files, and more.
- Implemented EAI projects involving various line-of-business applications, SAP, B2B partners, and databases like Oracle.
Senior Integration Developer
Valvoline
- Created deliverables according to the software development lifecycle such as functional and technical specifications, use cases, test cases, test results, among others.
- Extensively used WebSphere MQ adapters to perform MQ operations and JDBC adapters to connect to the DB2/Oracle database.
- Built interfaces for inbound and outbound EDI transactions such as invoice (880), purchase orders (850), product distribution (867), 820, 830, 888, 410, and more.
- Created high-level design documents, solution-specific design documents, business requirement solutions, technical documentation, and mapping specification documents.
Integration Developer
Eversource
- Designed and developed custom interfaces using webMethods.
- Managed Installations and configurations of webMethods Integration Server, Broker Server, and My webMethods Server.
- Created flat-file dictionaries along with the corresponding schemas and installed EDI schemas for both trading networks and IS usage, XML schemas, required documents, flow services, Java-based utilities, and helper servers required.
- Designed the IVR call flow and call center integration for an end-to-end application.
Integration Developer
Staples
- Created a trading network component like a partner profile document type, processing rules, and TPA.
- Mapped inbound EDI documents to flat files, XML, and outbound IDOCs to EDI using wmEDI and wmEdiForTN packages.
- Wrote customized flow services to send outbound documents such as invoices and shipment notices.
- Created a customized partner profile under MWS by identifying each partner and transactions in the trading networks.
- Developed B2B applications with the 9.5 version and also built integrations using a pub-sub pattern.
Experience
Student Course Enrollment Application
Education
Master's Degree in Computer and Information Systems
University of Central Missouri - Warrensburg, MO, United States
Certifications
MuleSoft Certified Developer
MuleSoft
MuleSoft Certified Developer — Integration and API Associate Mule (3.9)
MuleSoft
Java SE 6 Programmer
Oracle
Skills
Tools
Anypoint Studio, Adobe Experience Manager (AEM), Azure Key Vault
Paradigms
REST, DevOps, ETL
Platforms
MuleSoft, Mule ESB, Mule Runtime Engine, webMethods, Oracle, Salesforce, Azure
Languages
SQL, Web Services Description Language (WSDL), PHP, XML
Storage
JSON, Redis Cache, Databases, Database Security
Industry Expertise
Project Management
Other
APIs, API Integration, DataWeave, Integration, Web Services, SOAP, RAML, Scripted Animation (JavaScript), EDIFACT, Web Methods, Enterprise Architecture, Solution Architecture, Software Architecture, Data Engineering
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring