Summary
Overview
Work History
Education
Skills
Timeline
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Kalyan Mallavarapu

Engineering Manager/Leader
Irving,TX

Summary

Strategic engineering leader with 15+ years of experience designing and delivering large-scale payment, billing, and subscription systems across B2C and B2B domains. Proven success leading cross-functional teams, optimizing global transaction processing, and driving technical innovation in compliance-heavy environments. Adept at collaborating with Product, Finance, Legal, and Risk to architect secure, scalable solutions that directly impact revenue and customer retention.

Overview

13
13
years of professional experience
6
6
years of post-secondary education

Work History

Principal Software Engineer

Pluralsight
05.2023 - Current
  • Launched new payment options for INR, Euro (SEPA/Sofort), and USD (ACH,Wallets) which helped increase revenue for both B2C & B2B subscriptions by 30%.
  • Implemented automation to retry payment processing on both Stripe & Adyen payment gateways.
  • Implemented smooth discount pricing on checkout, SFDC CPQ and billing systems.
  • Analyzed existing systems, recommending enhancements that led to considerable savings.
  • Designed and implemented BuyNow/PayLater in-house solution using Zuora.
  • Upgraded billing platform to enable Invoice settlement feature which included upgrading existing integrations.
  • Collaborated with multiple vendors to streamline multiple Stripe and PayPal accounts into a single instance as well as migrating Payment data from Adyen to Stripe.
  • Planned and executed subscriptions and billing consolidation between Pluralsight and a company acquired by Pluralsight.
  • Increased customer satisfaction rates through diligent collaboration with cross-functional teams on feature development and bug resolution.
  • Mentored junior engineers to strengthen their technical skills and improve overall team efficiency.
  • Completed code debugging, software troubleshooting, root cause analysis, and program reviews.
  • Worked alongside multiple teams to achieve complex integrations in Payments and Billing.
  • Led a group of engineers in producing exceptional software solutions efficiently.
  • Improved engineering processes by streamlining workflows and implementing efficient project management techniques.
  • Identified areas of improvement in existing systems, providing recommendations that resulted in significant cost savings over time.
  • Fostered a culture of innovation and continuous improvement by encouraging the sharing of ideas, leading to increased creativity and problem-solving capabilities within the team.

Solutions Architect Billing/Payments

Zoom Video Communications
08.2022 - 02.2023
  • Designed and implemented solution for delayed payments using Stripe webhooks and integrated webhooks with middleware application as well Zuora for Subscription and billing management
  • Created architectural diagrams, solution designs and reviewed with stakeholders on approvals
  • Designed workflows within Zuora to process recurring, ad hoc payments and refunds to send callouts to Strips webhook to process the payment and settle the refund
  • Created custom events and custom email templates to notify customers on successful payments and refunds
  • Supported end to end UAT testing for all the projects to get approvals from all stakeholders for Production launch
  • Analyze, troubleshoot and resolve issues during pre and post Production launch
  • Worked extensively on data analysis for updating existing products and create new products
  • Configured Zuora to create custom fields, custom email templates, custom invoice templates as per business requirements
  • Worked extensively on launching different payment methods and integrating between payment platforms and middleware for different currencies
  • Managed time efficiently in order to complete all tasks within deadlines
  • Worked with cross-functional team/s to identify requirements and deliver projects
  • Developed and delivered business information solutions

Specialist Senior

Deloitte
01.2022 - 08.2022
  • Worked extensively on designing workflows for different use cases as per client's requirements in Zuora like processing usage records, updating customer account/s to assign communication profile based on the business requirements
  • Worked extensively on integrating zuora with mule soft, Salesforce and other middleware/front end systems
  • Extensive experience in Business writing skills in writing Business requirement documents (BRD), requirements traceability matrix (RTM), use case documents (UCD), Functional and non functional specifications
  • Collaborated closely with client/s on demo of project/s and fix any bugs found in UAT as well as to determine need and devise appropriate solutions
  • Created documentation and taught training sessions to educate co-workers on new architecture and requirements
  • Mapped client business requirements, processes and objectives and developed necessary product modifications to satisfy clients' needs
  • Worked on extensively on documenting the requirements of the current systems as well future state systems in Zuora as well as in SAP
  • Mentored junior team members and help them understand the system as well as the requirements for on-time product delivery

Principal Software Engineer

SiriusXM
09.2015 - 01.2022
  • Supporting Siebel call centre application which is largely customized to include subscription, quotes and billing within the application
  • The legacy Siebel application is being migrated to Saas platform on to Salesforce for call center and Zuora for billing
  • Collaborated with business teams to identify issues in the legacy system, provide and implement solution on the Saas billing system
  • Liaise between internal and external team members and customers
  • Collaborated with business teams to identify issues in the legacy system, provide and implement solution on the Saas billing system
  • Configure product catalog, billing, payment and finance settings
  • Develop workflows and automate processes using workflows, migrate changes between sandboxes and production
  • Develop design documents, user guides, maintenance documents, project documentation, and release documents

Lead Systems Engineer

HPE Enterprise Services
02.2012 - 09.2015
  • Performed root cause analysis to provide resolutions for production issues
  • Created document management protocols and presented to management for review
  • Created manuals and taught training sessions to educate co-workers on new systems
  • Collaborated with clients to determine need and devise appropriate software and hardware solutions
  • Lead team of 10-12 resources both onsite and offshore for implementing a complex Siebel Loyalty implementation at Southwest Airlines including upgrades, integration, troubleshooting, deployments and daily maintenance
  • Assisted with doing a POC for Siebel upgrade to all leadership team and plan, implements upgrading all the environments including cut over to Production

Education

Master of Science - Engineering

University of South Alabama
Mobile, Alabama
08.2005 - 07.2007

Bachelor of Science - Engineering

Acharya Nagarjuna University
Guntur, Andhra Pradesh
08.2001 - 05.2005

Skills

Engineering Leadership & Mentorship

Global Payments & Subscription Systems

Stripe, Adyen, PayPal, Chase

Zuora, Salesforce, Siebel, CRM Systems

Platform Observability & KPIs

Compliance (PCI-DSS), Risk Management

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Timeline

Principal Software Engineer

Pluralsight
05.2023 - Current

Solutions Architect Billing/Payments

Zoom Video Communications
08.2022 - 02.2023

Specialist Senior

Deloitte
01.2022 - 08.2022

Principal Software Engineer

SiriusXM
09.2015 - 01.2022

Lead Systems Engineer

HPE Enterprise Services
02.2012 - 09.2015

Master of Science - Engineering

University of South Alabama
08.2005 - 07.2007

Bachelor of Science - Engineering

Acharya Nagarjuna University
08.2001 - 05.2005

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Kalyan MallavarapuEngineering Manager/Leader
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