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 / Serverless

Cloud & DevOps

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

Databases

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

Work Experience

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

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

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

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

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