Resume

Juan Miguel Paulino Carpio

Senior Software Engineer

ENES
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Professional Summary

Senior Software Engineer with 15+ years of experience building enterprise and cloud-native applications using .NET, Java, Python, TypeScript, React, AWS, and Azure. Strong background in distributed systems and scalable backend architectures, focused on building reliable, secure, and high-performance applications with a strong emphasis on user experience. Experience delivering solutions across fintech, insurance, and healthcare industries.

Core Skills

Programming Languages

C# / Java / Python / TypeScript

Backend

.NET / Spring Boot

Frontend

React / Next.js / React Native

Architectures

Microservices / Modular Monolith / Multi-Tenant SaaS / Event-Driven

Cloud & DevOps

AWS / Azure / Docker / Kubernetes / CI/CD Automation

Databases

SQL Server / PostgreSQL / DynamoDB / Cosmos DB / Oracle Database

Work Experience

Member Care

Multi-tenant healthcare platform connecting patients, providers, and care teams through scalable, event-driven architecture.

Senior Software Engineer

Sep 2020 - Jan 2026
· 5 years 5 months
  • Developed RESTful APIs using .NET/C#, focusing on maintainability, scalability, and clean code principles.
  • Architected a containerized Worker Service (.NET + Quartz) for scheduled and event-driven jobs with idempotent execution.
  • Designed time-sensitive, multi-channel workflows using SendGrid, OneSignal, Twilio, and SignalR.
  • Architected queue-based processing with Azure Service Bus to offload heavy workloads from Web APIs.
  • Enhanced the Chronic Care Management module with dashboards and reporting in Excel/PDF.
  • Contributed to RAG-based AI solutions and plugins using Semantic Kernel, Azure OpenAI, and Azure AI Search.
.NETC#Semantic KernelOpenAIRAGAzure AI SearchReactNext.jsTypeScriptAnt DesignMobXAxiosApexChartsAzure App ServiceAzure Service BusAzure Service FabricAzure Blob StorageAzure Application InsightsSQL ServerCosmos DBRedisSignalRQuartz.NETGemBox DocumentQuestPDFSendGridOneSignalTwilio SMSDockerRush MonorepoAzure DevOpsGit

Billet

Fintech platform for digital payments and financial services, enabling real-time transactions, customer onboarding, and regulatory compliance through integrations with banking systems (e.g., Banco BHD).

Senior Software Engineer

Sep 2024 - Dec 2025
· 1 year 4 months
  • Improved developer productivity by enabling high-fidelity local environments using LocalStack and containerized databases (Redis, PostgreSQL, DynamoDB).
  • Increased automated test coverage across Java (Spring Boot) and Python serverless services, improving CI/CD reliability with Bitbucket, AWS CodePipeline, and SonarQube.
  • Led Java 11 → Java 17 migration efforts for Spring Boot services, reducing technical debt and improving maintainability.
  • Improved reliability of asynchronous financial workflows by reducing SNS/SQS processing errors and implementing Redis-based idempotency controls.
  • Developed customer screening and risk scoring services supporting compliance workflows (KYC, PEP, watchlists).
  • Strengthened security for banking integrations by moving sensitive processing logic to the backend.
JavaSpring BootPythonReact NativeAWSEC2LambdaAPI GatewayS3SNSSQSCloudWatchParameter StoreSecrets ManagerCognitoPostgreSQLDynamoDBRedisDockerLocalStackServerless FrameworkCodePipelineSonarQubeGitBitbucketJiraConfluence

Grupo Universal

One of the leading financial groups in the Dominican Republic, offering services across insurance, health, investments, and retirement solutions.

Solutions Architect

Jan 2018 - Nov 2020
· 2 years 11 months
  • Contributed to enterprise digital transformation by migrating core insurance services from legacy Oracle systems to Microsoft Azure.
  • Developed analytical dashboards and reports using Microsoft Power BI, integrating heterogeneous data sources including Oracle Database and Microsoft SQL Server to enhance data-driven decision-making across the organization.
  • Produced UML models and technical documentation to align architecture across teams.
C#ASP.NETOracle DatabaseSQL ServerEntity FrameworkDapperOracle Enterprise ManagerSOAP Web ServicesAzureMicrosoft Power BISQL Reporting Services (SSRS)Enterprise Architect

Project Lead

Jan 2012 - Dec 2017
· 6 years
  • Designed integrations across General Insurance and Health/ARS platforms, enabling a unified 360-degree customer view for 500,000+ affiliates.
  • Supported enterprise data integration and ETL pipelines using SAS.
  • Participated in technical evaluation and vendor selection initiatives for new business units, later contributing to system integrations.
C#ASP.NETPL/SQLOracle DatabaseSQL ServerOracle Forms & ReportsInternet Information Services (IIS)SASETLData Warehouse

Systems Analyst

Nov 2008 - Dec 2011
· 3 years 2 months
  • Managed production incidents, bug fixes, and maintenance activities for core insurance platforms built with Oracle Forms & Reports.
  • Collaborated with users to investigate issues, validate requirements, and coordinate UAT and production releases.
  • Produced technical documentation and deployment deliverables while consistently meeting incident resolution and client satisfaction targets.
Oracle DatabasePL/SQLOracle Forms & Reports

Political Campaign Platform

Custom web platform developed for a presidential political movement to manage member enrollment, regional growth tracking, and targeted communication campaigns.

Senior Software Engineer

Oct 2018 - Mar 2020
· 1 years 6 months
  • Designed and developed a responsive web platform optimized for desktop, tablet, and mobile workflows to support large-scale political campaign enrollment operations
  • Implemented hierarchical member referral tracking, enabling administrators to measure recruitment performance and visualize regional growth by province.
  • Developed audience segmentation and notification features for targeted communication campaigns based on groups and geographic regions.
  • Integrated WordPress as a content management portal for publishing campaign news and movement updates.
  • Managed deployment and maintenance of Linux-based infrastructure on DigitalOcean servers.
  • Integrated Mailgun for transactional and campaign email delivery workflows.
LaravelPHPMySQLApacheUbuntuDigitalOceanMailgunWordPressJavaScriptjQueryMaterialize CSSSupervisorphpMyAdmin

Technological Institute of the Americas - ITLA

A leading technical institute in the Dominican Republic specializing in information technology, software development, cybersecurity, and digital innovation programs.

IT Instructor

Jun 2018 - Mar 2019
· 10 months
  • Taught programming courses in C#, Java, and database fundamentals.
  • Developed practical and beginner-friendly learning materials to simplify complex programming concepts and improve student engagement.
C#JavaMySQLGoogle Classroom

Ibero-American University - UNIBE

A private university in the Dominican Republic recognized for its programs in technology, engineering, business, and health sciences.

Technical Instructor

Jan 2008 - Oct 2008
· 10 months
  • Delivered technical training sessions for instructors and students, translating technical concepts into accessible and easy-to-follow guidance.
  • Provided support and onboarding for Moodle-based educational tools and workflows.
Moodle