10/08/2025 updated

CP
100 % available

Senior Java Full Stack Engineer with Cloud Expertise

Flushing, USA
Only remote
Bachelor of Science (BS) in Computer Software Engineering
Flushing, USA
Only remote
Bachelor of Science (BS) in Computer Software Engineering

Profile attachments

CharlesPark_resume.docx

About me

- Senior Full Stack Engineer with 12+ years of experience across e-commerce, healthcare and AI domains. - Expert in Java, Python and React/TypeScript & React Native with strong cloud proficiency (AWS, Docker, Kubernetes).

Query PerformanceJava (Programming Language)Application Programming Interfaces (APIs)Artificial IntelligenceAmazon Web ServicesAmazon Elastic Compute CloudAmazon S3AuthenticationsAutomationCloud ComputingCloud EngineeringComputer ProgrammingDevOpsDjangoHealth CareMobile Application SoftwareJava Platform Standard Edition (J2SE)Python (Programming Language)PostgreSQLMongoDBMySQLNoSQLTelemetryRole-Based Access ControlRedisAzure Active DirectoryPrometheusSecurity ManagingSQL DatabasesTypeScriptDatadogEnterprise Application PlatformReact.jsDelivery PipelineGrafanaSpring BootReliability of SystemsBackendKubernetesFull Stack DevelopmentGraphQLReact NativeFront End Software DevelopmentApi DesignCloudwatchDatabase AdministrationDockerMicroservices
Java & Spring Boot Development
Advanced Java SE 8-21 programming with Spring Boot framework expertise for building scalable microservices and enterprise applications

React/TypeScript & React Native
Frontend development with React.js, TypeScript, and React Native for cross-platform mobile applications supporting high user loads

Cloud Infrastructure & DevOps
Cloud architecture implementation using AWS (EC2, S3, ECS, RDS, Lambda, CloudWatch), Docker, Kubernetes, and CI/CD pipelines

Database Management
Experience with SQL and NoSQL databases including MySQL, PostgreSQL, MongoDB, and Redis

Python & Django
Python programming for AI inference, healthcare automation, and backend development with Django framework

Observability & Monitoring
Implementation of monitoring solutions using Prometheus, Grafana, Datadog, and OpenTelemetry for system reliability

GraphQL API Design
Design and integration of GraphQL APIs for optimized data payload sizes and improved query performance

Authentication & Security
Implementation of scalable authentication frameworks using Azure AD with SSO and RBAC capabilities

Experience

Professional experience10+ years
Freelancer since2013

Languages

EnglishFluent

Project history

Senior Full Stack Engineer

Code Charley
Architected SaaS and e-commerce platforms using Java/Spring Boot and React/TypeScript. Designed Python-based microservices for AI and healthcare. Built React Native mobile extensions for 50K+ users. Implemented AWS CI/CD pipelines and GraphQL APIs.

Lead Engineer

Flagship One, Inc
Led team of 6 engineers building a custom CRM platform. Developed Java microservices with Kafka and Python/Django. Implemented healthcare analytics engine with AWS Lambda. Designed SEO initiatives improving Google rankings.

Software Engineer

King County Autobody
Developed CRM system using Node.js, MySQL, and JavaScript (AngularJS). Reduced data processing time by 50% through automation. Optimized REST APIs and developed customer experience solutions.

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