Joseph Paulo L. Mantuano

Principal Engineer & Data Architect • Elastic Community Organizer • Based in Pasig City, Philippines

Principal Engineer and Data Architect with over a decade of hands-on experience designing and operating distributed systems across banking, telecommunications, and compliance. Specialized in high-throughput Kafka event streaming fabrics, Lucene-based search engines (Elasticsearch, Solr), and open table formats (Apache Iceberg).

Production Scale Footprint

9 TB/day
Kafka Ingestion Volume
495 MB/s
Average Streaming Throughput
30d → 1h
Elasticsearch Index Rebuild
50% Cut
ETL Operational Cost

Professional Experience

Principal Engineer & Data Architect

Security Bank Corporation
Nov 2023 — Present
  • Architected and engineered the bank-wide real-time event streaming backbone, establishing schema contracts (Avro/Schema Registry) and end-to-end processing guarantees for financial workloads.
  • Engineered an enterprise-grade lakehouse storage tier on AWS S3 with Apache Iceberg, standardizing compaction routines, snapshot expiration, and partition layouts to eliminate small-file sprawl.
  • Optimized distributed Apache Spark batch and streaming transformations across Redshift and AWS DataZone, tuning memory structures and broadcast joins to cut compute latency.
  • Designed a centralized data observability framework to monitor query saturation and executor memory pressure, driving enterprise FinOps cost-reduction initiatives.

Senior Manager / Data Engineering Manager (Data Streaming)

Globe Telecom — Enterprise Data Office
Nov 2019 — Nov 2023
  • Architected and scaled mission-critical Kafka and Confluent Cloud streaming platform handling 9TB daily data volume with a sustained throughput of 495 MB/s.
  • Migrated legacy batch and Spark Extract & Load pipelines to Apache NiFi, reducing pipeline build times from 3 days to half a day and onboarding latency from 15 to 5 days.
  • Standardized Confluent Schema Registry enforcement, partition key balancing, and security protocols across hybrid AWS-to-on-premise data pipelines.

Senior Software Engineer (Search & Crawling)

The Red Flag Group (now Refinitiv)
Oct 2016 — Oct 2019
  • Engineered automated adverse media web crawlers and content ingestion pipelines using Java, Kotlin, Spring, and MongoDB.
  • Tuned Elasticsearch indexing pipelines and Lucene segment merges, slashing full-index regeneration from 30 days to 1 hour with a 100% capacity boost.
  • Developed scalable Kafka data aggregation platforms featuring pluggable enrichment and entity extraction processors.

Software Engineer (R&D eCommerce Search)

Infor PSSC
Jun 2014 — Oct 2016
  • Implemented enterprise full-text search and multi-tenant architectures using Apache Solr and ZooKeeper.
  • Applied natural language processing (NLP) to parse user query intent and improve e-commerce product discovery precision.

Software Engineer

Misys Plc (now Finastra)
Jan 2011 — Jun 2014
  • Built enterprise core banking interfaces for Midasplus on IBM WebSphere Application Server.
  • Created automated tooling and test environments, minimizing bug resolution turnaround for global banking clients.

Education & Community

De La Salle University
Master of Science in Computer Science (Expected Dec 2026)
De La Salle Lipa
Bachelor of Science in Computer Engineering (2008)
Elastic Community
Certified Elastic Community Organizer