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Biju Sankaranarayana Pillai

@bijusankaranarayanap

Engineering Manager and Technical Architect at Zafin CoE, modernizing Pricing & Billing platforms and integrating Azure OpenAI and RAG.

India

Message

At Zafin CoE, I lead architecture for cloud migration and modernization of legacy platforms, including cloud-native Pricing & Billing microservices built with Java 21, Kafka, Kubernetes and Azure.

I’m integrating Azure OpenAI for pricing analysis and customer-support workflows, and designing RAG-based knowledge assistants with vector databases and LLMs. I also establish AI governance and DevOps/MLOps practices while mentoring architects and developers.

Previously, at Keystone Upon Eurasia Consulting Ltd, UK, I architected core-banking integration solutions and designed a data analytics platform processing 100TB+ of data daily. Across roles in banking, payments, publishing and trade compliance, I’ve worked on distributed systems, platform modernization and engineering standards.

Experience

Work history, roles, and key accomplishments

Current

Manager / Technical Architect

Current

Zafin CoE

Jan 2025 - Present (1 year 9 months)

Lead architecture for cloud migration and modernization of legacy platforms, design cloud-native microservices, and integrate Generative AI for pricing analysis and customer support.

Java 21+Microservices Kafka Kubernetes Azure MongoDB PostgreSQL Azure OpenAI RAG Vector Databases AI Governance MLOps DevOps

Software Consultant / Solution Architect

Keystone Upon Eurasia Consulting Ltd

Sep 2023 - Dec 2024 (1 year 3 months)

Architected enterprise integration solutions using API Gateway and event-driven architecture, designed a data analytics platform processing 100TB+ daily, and led digital transformation initiatives.

Java 17 Microservices AWS Kafka Kubernetes Elasticsearch MongoDB PostgreSQL API Gateway Event Driven Architecture Big Data SOC2 GDPR

Lead Software Engineer

Kainos

Jan 2023 - Aug 2023 (7 months)

Provided technical direction across the development team, planned and led development efforts, and promoted engineering best practices.

Agile Code Review Security Practices Engineering Best Practices

Principal Software Engineer

RELX Group

Jul 2019 - Dec 2022 (3 years 5 months)

Developed distributed, high-volume Java services within multifunctional Agile teams, led architecture recommendations and security assessments, and applied TDD.

Java 11 Python Microservices Ping Federate Identity OAuth JWT AWS Kafka Kubernetes Terraform MongoDB Oracle Test Driven Development

Application Architect

IBM / Barclays Bank

Jan 2018 - Jan 2019 (1 year)

Worked with an Agile team to deliver a transformed and resilient payment ecosystem, defined architecture qualities, and performed performance tuning and code reviews.