Lizardo Enrique Mamani Sanchez

Technical coordination and backend engineering

• Coordinate technical alignment across 6 engineering teams, supporting architecture decisions, engineering standards, and onboarding for engineers.
• Contribute to Java 21 backend development and REST API work in a cloud-oriented insurance environment.
• Designed and proposed a RAG initiative for technical and business documentation using Spring AI and LangChain4j.

Java 21, Spring Boot, Spring AI, LangChain4j, Langfuse, ClickHouse, OpenTelemetry, pgvector, REST APIs, Azure DevOps, OpenShift, PostgreSQL

Digital payments backend services

• Developed and maintained backend services for digital payments and money transfers in fintech systems.
• Worked with Java, Spring Boot, Quarkus, Kafka Streams, Azure components, PostgreSQL, Cosmos DB, and Datadog.
• Participated in internal technical sessions on clean code, evolutionary architecture, API design, and mentoring.

Java 11/17/21, Spring Boot, Quarkus, NestJS, Kafka Streams, RxJava 3, Azure API Management, Microsoft Entra ID, Key Vault, Storage, Cosmos DB, Functions, PostgreSQL, Datadog, DDD

BNPL technical leadership

• Led technical work for backend APIs and microservices supporting BCP's Buy Now Pay Later product.
• Coordinated modernization work using Parallel Change and Canary Release patterns.
• Collaborated with business stakeholders and engineering teams on delivery and platform evolution.

Java 11, Spring Boot, Kafka, Angular, RxJava 2, Azure API Management, Microsoft Entra ID, Key Vault, Storage, Data Lake, App Services, Cosmos DB, HashiCorp Vault, SQL Server, Kibana, Dynatrace

Mobile payments backend services

• Built backend services and microservices supporting mobile and backend systems for Agora Pay.
• Worked with event-driven communication using Google Pub/Sub.
• Contributed across Java services, Kotlin/Firebase integrations, Redis, Elasticsearch, AWS, Azure DevOps, and Kibana.

Java 11, Microservices, Google Pub/Sub, Kotlin, Firebase, Elasticsearch, Redis, AWS, Azure DevOps, Kibana

Reactive banking microservices

• Developed reactive backend microservices for wholesale banking platforms within an event-driven architecture.
• Contributed to architecture proposals aligned with long-term scalability.
• Worked with Java 8, Spring Boot, Apache Kafka, RxJava 2, Angular, Azure Cloud, AKS, and Cassandra.

Java 8, Spring Boot, Apache Kafka, RxJava 2, Angular, Azure Cloud, AKS, Cassandra

Earlier enterprise software experience across Java portals, backend services, payment gateway integration, credit bureau decision services, service orchestration, migrations, and data support for clients/projects including Claro Peru, MiClaro, CULQI, DataCredito, Sentinel, Equifax, Profuturo, TICORP / Grupo Romero, Alicorp, Komatsu Mitsui, Nissan Maquinarias, and FASA.