Phani Varma Chekuri
Hyderabad
Summary
Technical Architect (14+ Years) specializing in the large-scale transformation of legacy platforms into resilient, cloud-native ecosystems. Expert in Monolith-to-Microservices migrations (Strangler Fig) and zero-downtime AWS transitions for high-concurrency enterprise applications. Advanced practitioner in Java 21, Event-Driven Architectures, and high-throughput In-Memory processing. Currently architecting Agentic AI systems (RAG, MCP) to automate complex decision-making and fraud detection. Committed to maximizing system elasticity and reducing TCO through intelligent auto-scaling, modern CI/CD, and robust security frameworks.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Technical Architect
Head Digital Works Pvt. Ltd.
04.2024 - Current
- Led zero-downtime migration of legacy on-premises systems to a containerized AWS ECS architecture, modernizing CI/CD pipelines with Jenkins and implementing predictive auto-scaling to improve elasticity and reduce operational overhead.
- Designed and implemented highly resilient communication and notification platforms using Resilience4j, client-side load balancing, and circuit breakers to enable automatic vendor failover and fault isolation.
- Strengthened platform security and operational consistency by implementing centralized secrets management (AWS Secrets Manager) and externalized configuration using Spring Cloud Config.
- Architected enterprise-grade multi-tenant systems using Spring Data JPA with a database-per-tenant strategy.
- Improved anti-fraud system performance by migrating to Java 21 virtual threads, achieving a measurable throughput improvement.
- Led enterprise Generative AI and R&D initiatives, architecting Retrieval-Augmented Generation (RAG) platforms for Jira, Confluence, and websites using vector search, rank fusion, and hybrid retrieval strategies.
- Designed and implemented advanced AI systems including Q&A chatbots, MCP client/server architectures, Text-to-SQL agents, and Human-in-the-Loop workflows.
Assistant Technical Manager
Head Digital Works Pvt. Ltd.
10.2021 - 03.2024
- Led the strategic migration from a monolithic application to a microservices architecture using the Strangler Fig pattern, incrementally extracting more than eight core business domains.
- Architected a unified API Gateway using Spring Boot and GraphQL, enabling parallel downstream execution to reduce network latency and client round trips.
- Designed and implemented a centralized IAM and authorization platform with SAML-based SSO (PurAuth) and fine-grained RBAC policies.
- Engineered a high-performance, in-memory analytics engine in Java to process real-time game telemetry and deliver near-zero latency materialized views for business insights.
- Built a resilient anti-fraud platform on AWS ECS using Cassandra and RabbitMQ with robust retry, recovery, and dead-letter handling mechanisms.
- Implemented an organization-wide messaging resilience framework, including centralized DLQ monitoring, alerting, and secure event replay tooling.
- Integrated AWS Rekognition into onboarding workflows to automate detection of fraudulent profiles and reduce manual review effort.
- Developed a secure, real-time collaboration platform using Node.js and Socket.IO to enable encrypted communication between geographically distributed leadership teams.
Development Team Lead
Head Digital Works Pvt. Ltd.
04.2017 - 09.2021
- Led the design and development of cricket.com, delivering real-time scores, commentary, and match insights by integrating multiple external data providers.
- Architected a high-throughput event processing system capable of handling millions of player and game events per minute with client-side rate limiting and CRM integration(clevertap).
- Refactored core business services using Hibernate to simplify transaction and connection management.
- Guided migration of legacy applications to Spring Boot and React, improving maintainability, scalability, and performance.
- Mentored engineers and enforced coding standards and best practices across the team.
Senior Software Engineer
Head Digital Works Pvt. Ltd.
04.2014 - 03.2017
- Led modernization of a legacy redeem processing platform using the Spring framework.
- Migrated web applications from Servlets and JSP to single-page applications, integrating payment gateways and end-to-end KYC workflows.
- Collaborated with external partners (Experian) to integrate credit scoring functionality.
- Designed and developed a customer ticketing system with automated email ingestion, ticket creation, and agent assignment.
- Implemented OAuth-based authentication and authorization flows.
- Participated in the full software development lifecycle from requirements analysis to implementation.
Associate Engineer
HEAD Infotech India Pvt Ltd - Ace2three.com
03.2011 - 04.2014
- Learned and adhered to coding standards and software development practices.
- Developed marketing ad-tracking systems to monitor affiliate traffic and performance using Java, Servlets, JSP, and JavaScript.
- Built internal administrative platforms to support customer operations and transaction management.
- Collaborated with cross-functional teams to deliver reliable, production-ready software solutions.
Education
Bachelor of Technology(CSE) - Computer Science
Bonam Venkata Chalamaiah Institute of Technology
Amalapuram, India04-2010
High School Diploma -
Don Bosco School
Ravulapalem, India03-2004
Skills
- Distributed Systems Architecture & System Design
- Java (8–21) & JVM Concurrency (Virtual Threads)
- Spring Boot & Cloud-Native Microservices
- High Availability, Resilience & Fault Tolerance
- Event-Driven & Asynchronous Architectures
- AWS Cloud-Native Strategy & Infrastructure
- Messaging & Streaming Systems
- Data-Intensive & Low-Latency Systems
- API Gateway Design (REST / GraphQL)
- Security Architecture (IAM, RBAC, SSO)
- AI Systems Engineering (RAG, Agentic AI)
- Production Scalability & Performance Optimization
Certification
Oracle Certified Associate, Java SE 6 Programmer (Oracle - 2011)
Timeline
Technical Architect
Head Digital Works Pvt. Ltd.
04.2024 - Current
Assistant Technical Manager
Head Digital Works Pvt. Ltd.
10.2021 - 03.2024
Development Team Lead
Head Digital Works Pvt. Ltd.
04.2017 - 09.2021
Senior Software Engineer
Head Digital Works Pvt. Ltd.
04.2014 - 03.2017
Associate Engineer
HEAD Infotech India Pvt Ltd - Ace2three.com
03.2011 - 04.2014
Bachelor of Technology(CSE) - Computer Science
Bonam Venkata Chalamaiah Institute of Technology
High School Diploma -
Don Bosco School