Samuel Neto — Senior Software Engineer

Expertise in Full Stack Web (8.0 yr.), Back-End Web (8.0 yr.).

Last verified on December, 2025

Core Skills

Bio Summary

Engineer with over 8 years of experience specializing in digital health and fintech platforms, with a robust track record in scaling microservices architecture and AI-driven solutions. Expertise in cloud-native infrastructure and full-stack development, leveraging technologies such as React.js, Java, Go, Python, and AWS. Significant achievements include enhancing PCI-DSS controls for payments processing, improving latency and system resiliency, leading large-scale global deployments, and ensuring compliance with various security standards. Holds a Bachelor's degree in Computer Science from Florida Institute of Technology and is adept at modern engineering practices and delivering business-oriented results in cross-functional settings.

Technical Skills

Programming Languages	Go, Java, JavaScript, Kotlin, Python, Swift
AI & Machine Learning	AWS SageMaker, AWS SageMaker (Amazon SageMaker), Mlflow, OpenAI
Java Frameworks	Dropwizard
Android Libraries and Tools	Kotlin
JavaScript Libraries and Tools	NgRx, React Native, Redux-Saga, RxJs
JavaScript Frameworks	Node.js, React
Ruby Frameworks	Ruby on Rails
Data Analysis and Visualization Technologies	Apache Airflow, Presto S3
Security	PCI DSS, SOC 2
Databases & Management Systems / ORM	AWS DynamoDB, ELK stack (Elasticsearch, Logstash, Kibana), MySQL, PostgreSQL, Redis, Snowflake
Cloud Platforms, Services & Computing	Azure
Amazon Web Services	AWS Aurora, AWS CloudFront, AWS DynamoDB, AWS Elastic Kubernetes Service (EKS), AWS Kinesis, AWS Lambda, AWS SageMaker, AWS SageMaker (Amazon SageMaker), AWS SAM
Google Cloud Platform	Google BigQuery
Industry Domain Experience	HIPAA
Deployment, CI/CD & Administration	ArgoCD, CI/CD, Jenkins, New Relic
QA, Test Automation, Security	Cypress, Jest, JUnit, QA Automation, RSpec
Logging and Monitoring	Datadog, Prometheus
Version Control	Github Actions
SDK / API and Integrations	GraphQL, OAuth
Other Technical Skills	RDS, Spinnaker

Work Experience

Company : Paypal, Senior Software Engineer, High-Volume Payments and Merchant Experience Platform Duration: 10/2024 – Present
Summary: Led the technical direction for Paypal’s high-volume payments and merchant experience platform, focusing on microservices architecture, front-end performance optimization, event-driven pipelines, global AWS/Kubernetes deployment, CI/CD automation, security hardening, observability enhancements, data layer optimization, API and integration improvements, and quality assurance.
Responsibilities: Architecting microservices, improving merchant dashboard, building event-driven pipelines, executing resilient AWS EKS-based deployment, establishing CI/CD practices, enhancing security, implementing observability measures, optimizing the data layer, delivering Node.js GraphQL gateway, leading automated quality practices.
Technologies: React, TypeScript, Java, Go, Javascript, Node.js, Python, AWS, Kubernetes, Kafka, SQS, MySQL, DynamoDB, Redis, GitHub Actions, Jenkins, Argo CD, OAuth2, OIDC, Prometheus, Grafana, JUnit, PyTest, Jest, Playwright
Company : Lyra Health, Senior Software Engineer, Care Delivery and Provider-Matching Features Duration: 10/2023 – 10/2024
Summary: Spearheaded the backend and frontend development of high-availability care delivery and provider-matching features, driving improvements in scalability, resilience, and HIPAA-compliant security through advanced engineering practices on AWS.
Responsibilities: Designing domain-driven microservices, frontend SPA development, establishing event-driven integrations, implementing CI/CD with GitHub Actions and Argo CD, provisioning of cloud infrastructure, database optimization, strengthening observability and security, API and integration strategizing, and leading third-party system integrations.
Technologies: React, TypeScript, Python, Java, Spring Boot, AWS, EKS, Kafka, SNS/SQS, RDS, Aurora, DynamoDB, Redis, Terraform, OAuth2, OIDC, Datadog, OpenTelemetry, Pact, Airflow
Company : Included Health, Senior Full Stack Developer, Patient and Provider Experience Solutions Duration: 09/2020 – 10/2023
Summary: Contributed to the development and deployment of patient and provider experience solutions, ensuring end-to-end delivery of HIPAA-compliant platforms, enhanced by modern engineering practices on AWS.
Responsibilities: Microservices architecture design, frontend platform building with SSR/ISR, developing event-driven pipelines, AWS EKS deployment optimization, CI/CD pipeline enhancement, reinforcing security and compliance, boosting observability, data layer optimizations, performing external integrations, and instituting strict quality gates.
Technologies: React, Next.js, TypeScript, Go, Ruby on Rails, AWS, Kafka, SNS/SQS, EKS, Aurora, PostgreSQL, Redis, GitHub Actions, Argo CD, Datadog, Prometheus, Grafana, Jest, Playwright
Company : Afterpay, Software Engineer, Buy-Now-Pay-Later Checkout and Merchant Tooling, Duration: 09/2017 – 07/2020
Summary: Focused on building scalable, secure checkout and tooling for merchants in the buy-now-pay-later market, accelerating delivery and improving the resiliency of payment and risk management workflows on AWS.
Responsibilities: Architecting domain-driven microservices, leading event-driven processing for order lifecycles, deploying Kubernetes and Terraform on AWS, implementing CI/CD with Jenkins and Spinnaker, enforcing robust security measures for PCI DSS, frontend application development with Angular, managing merchant integrations, standardizing observability, and optimizing data tier.
Technologies: Angular, TypeScript, Java, Kotlin, Python, Node.js, AWS, Kafka, Kubernetes, Terraform, PostgreSQL, Redis, Jenkins, Spinnaker, OAuth2, OIDC, Prometheus, Grafana, JUnit, PyTest, Jest

Education

Bachelor of Computer Science
Florida Institute of Technology, Melbourne, FL
09/2013 – 07/2017

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