10/21/2025 updated

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Fullstack Developer with 10+ years experience in React, Node.js and Cloud Technologies

Batangas, Philippines
Only remote
Bachelor's degree, Computer science, 2014
Batangas, Philippines
Only remote
Bachelor's degree, Computer science, 2014

Profile attachments

Daniel Sim - Resume (Full-Stack + Reverse).pdf

About me

A passionate full stack developer, 10+ years of experience in software industry. • Full Stack, Backend/API, Frontend, Task Automation, Data Process, Desktop App Development • Cloud Native Solution, Serverless Architecture, Infrastructure Build

ASP.NETJavaScriptApplication Programming Interfaces (APIs)Amazon Web ServicesAmazon Elastic Compute CloudAmazon S3C Sharp (Programming Language)Mobile Application DevelopmentCloud ComputingSoftware QualityData IntegrityDevOpsGitHubHealth Insurance Portability and Accountability Act (HIPAA) ComplianceMobile Application SoftwarePostgreSQLMongoDBMySQLNode.jsNoSQLVisualizationQuality ManagementQuery OptimizationSQL DatabasesTypeScriptWebRTCHighchartsTestingTailwindReact.jsSystem AvailabilityPHPUnitBackendAmazon Relational Database ServiceContainerizationIntegration TestsKubernetesReal Time DataReact NativeFront End Software DevelopmentRestful ApiDatabase AdministrationDockerMicroservices
Frontend Development
Expertise in React, TypeScript, and Tailwind CSS for building responsive and user-friendly interfaces. Experience with component libraries and UI frameworks like Storybook.

Backend Development
Strong knowledge of Node.js, C# .NET, Asp.NET, RESTful APIs, microservices architecture, and database management with MongoDB and PostgreSQL. Implementation of secure, HIPAA-compliant APIs.

DevOps & Cloud Infrastructure
Proficiency in CI/CD pipelines using GitHub Actions, Docker containerization, and deployment to AWS (EC2, S3, RDS) and Kubernetes clusters.

Mobile Development
Experience with React Native framework for creating cross-platform mobile applications integrated with backend APIs.

Database Management
Knowledge of SQL and NoSQL databases including MongoDB, PostgreSQL, MySQL with focus on data integrity, query optimization, and high availability.

Testing & Quality Assurance
Implementation of unit and integration tests using Jest, React Testing Library, Supertest and PHPUnit to ensure code quality.

Real-time Technologies
Implementation of WebRTC for video conferencing and collaboration functions, and real-time data visualization using Recharts and Chart.js.

Experience

Professional experience5 - 10 years
Freelancer since2015

Languages

EnglishFluent

Project history

Software Engineer

LEOSUNZ

IT Engineer

Rushkar Technology Private Limited

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