Varun Tummala

Middleware & Integration (Core Strength – 20+ yrs)

Deep expertise in Software AG webMethods suite: ESB, B2B/EDI, Trading Networks, MFT, Optimize.

Designed and delivered high‑volume, low‑latency integrations for global enterprises, especially in fintech.

Backend & Platform Engineering

Java / Spring Boot microservices, REST/GraphQL APIs, event‑driven patterns (Kafka, JMS).

Containerization & orchestration with Docker + Kubernetes on AWS / Azure.

Built cloud‑native payment services and PayFac Boarding APIs at Worldpay.

DevOps & CI/CD

Implemented GitHub Actions pipelines, cutting deployment time to 10 min; integrated BlackDuck SCA scanning.

Skilled with Terraform/IaC, Helm, Artifactory, SonarQube, and automated test frameworks.

Architecture & Leadership

Senior Manager – Delivery (5 yrs): ran multi‑site teams, budgets, and stakeholder comms for service‑based firm.

API Gateway governance (Apigee, Kong), resiliency & security patterns, circuit‑breaker design.

Defined integration roadmaps, reference architectures, and migration strategies.

Fintech & Payments Domain

10+ yrs in card processing, PayFac models, ACH/instant‑payment rails, PCI‑DSS compliance.

Hands‑on with boarding flows, KYC/KYB, transaction settlement, and reconciliation.

Emerging Tech & Data

Active in GenAI / LLM adoption: enrolled in Springboard AI/ML Career Track; experimenting with Weaviate vector DBs, local LLM chat interfaces.

Exploring Dell Boomi & MuleSoft to complement webMethods background.

Soft Skills & Work Preferences

Adept at remote, distributed delivery; open to contract or full‑time roles.

Emphasis on mentoring, cross‑functional collaboration, and translating business goals into technical outcomes.

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