Abel Cruz Mendez Software Engineer | AWS | NodeJS | Typescript |

Software Engineer

Naranja X

Nov 2024 - Current (1 year 10 months)

• Architected a multi-tenant banner personalization system serving 4M+ daily users with dynamic segmentation capabilities. Reduced response times by 40% through L2 cache-first strategy, directly improving loan conversion rates and customer engagement across digital channels. • Led end-to-end platform modernization integrating ML loan propensity scoring across 10+ interconnected services, enabling dynamic pricing strategies through controlled A/B testing at scale. The system processes 4M daily predictions with 200ms latency, improving conversion by 15% and generating $500M+ in incremental monthly revenue. • Designed and built a real-time credit simulation engine enabling business teams to validate risk assessment rules and pricing strategi

Software Engineer

Jüsto

Mar 2024 - Oct 2024 (8 months)

• Architected production microservices using Kotlin/Spring Boot and NestJS, processing over 10,000 daily orders. • Designed a BFF aggregation layer, reducing mobile app latency by 30% and enhancing driver experience across multiple countries. • Developed a real-time shipment tracking system, enabling sub-second position updates for thousands of concurrent deliveries.

Software Engineer

Pomelo

May 2022 - Dec 2023 (1 year 8 months)

• Collaborated with the product team to develop and enhance card issuance through SDK. This involved market research and product testing • Designed and developed a microservice orchestrator that allowed the automation and execution of infrastructure setup for new clients. This involved infrastructure work. • Boosted NPS and reduced client integration time by 75% by creating a self-service integration application. This helped the company get new clients by providing a sandbox test environment and a quick production-ready setup migration.

Software Engineer

Naranja X

Oct 2021 - May 2022 (8 months)

• Led the KYC governmental data validation and normalization; this feature helped to increase the number of successfully onboarded users by 30%. This involved working with AI face recognition, securing PII data, and product testing. • Implemented a scalable microservices architecture for data normalization by using state machine AWS step functions and circuit breaker patterns. • Collaborated with the product team to improve the KYC experience by complying with government regulatory standards; this allowed the company to operate as a financial institution, being able to offer new features to our end-users.

Software Engineer

SoFi

May 2021 - Sep 2021 (5 months)

- Improved the documentation - Increased the effectiveness of a few bank's help agents by 15% - Requirements analysis, design, and development of solutions. Integration of Cyberbank Konecta, a conversational AI for digital banking Serverless architecture, project documentation

Abel Cruz Mendez

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