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Hi there! I’m Isaac IV Agatep, a software developer with experience building cross-platform mobile apps and cloud-based solutions. As a Software Engineer Intern at PSA in Singapore, I designed a cross-platform shipment tracking app in React Native, built a serverless API on Azure Functions with Cosmos DB, and implemented security and monitoring features across the stack. I’ve contributed to portal migrations, two-factor authentication integrations, and DevOps pipelines, and I enjoy turning complex requirements into reliable software. I’m pursuing a BEng (Hons) in Information and Communications Technology with a focus on Software Engineering at SIT, and I have hands-on experience collaborating with external stakeholders and delivering feature-rich solutions on Azure and AWS.…Hi there! I’m Isaac IV Agatep, a software developer with experience building cross-platform mobile apps and cloud-based solutions. As a Software Engineer Intern at PSA in Singapore, I designed a cross-platform shipment tracking app in React Native, built a serverless API on Azure Functions with Cosmos DB, and implemented security and monitoring features across the stack. I’ve contributed to portal migrations, two-factor authentication integrations, and DevOps pipelines, and I enjoy turning complex requirements into reliable software. I’m pursuing a BEng (Hons) in Information and Communications Technology with a focus on Software Engineering at SIT, and I have hands-on experience collaborating with external stakeholders and delivering feature-rich solutions on Azure and AWS.

Isaac Medina Agatep IV

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Hi there! I’m Isaac IV Agatep, a software developer with experience building cross-platform mobile apps and cloud-based solutions. As a Software Engineer Intern at PSA in Singapore, I designed a cross-platform shipment tracking app in React Native, built a serverless API on Azure Functions with Cosmos DB, and implemented security and monitoring features across the stack. I’ve contributed to portal migrations, two-factor authentication integrations, and DevOps pipelines, and I enjoy turning complex requirements into reliable software. I’m pursuing a BEng (Hons) in Information and Communications Technology with a focus on Software Engineering at SIT, and I have hands-on experience collaborating with external stakeholders and delivering feature-rich solutions on Azure and AWS.…Hi there! I’m Isaac IV Agatep, a software developer with experience building cross-platform mobile apps and cloud-based solutions. As a Software Engineer Intern at PSA in Singapore, I designed a cross-platform shipment tracking app in React Native, built a serverless API on Azure Functions with Cosmos DB, and implemented security and monitoring features across the stack. I’ve contributed to portal migrations, two-factor authentication integrations, and DevOps pipelines, and I enjoy turning complex requirements into reliable software. I’m pursuing a BEng (Hons) in Information and Communications Technology with a focus on Software Engineering at SIT, and I have hands-on experience collaborating with external stakeholders and delivering feature-rich solutions on Azure and AWS.

Available to hire

Hi there! I’m Isaac IV Agatep, a software developer with experience building cross-platform mobile apps and cloud-based solutions. As a Software Engineer Intern at PSA in Singapore, I designed a cross-platform shipment tracking app in React Native, built a serverless API on Azure Functions with Cosmos DB, and implemented security and monitoring features across the stack. I’ve contributed to portal migrations, two-factor authentication integrations, and DevOps pipelines, and I enjoy turning complex requirements into reliable software.

I’m pursuing a BEng (Hons) in Information and Communications Technology with a focus on Software Engineering at SIT, and I have hands-on experience collaborating with external stakeholders and delivering feature-rich solutions on Azure and AWS.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer Internship at PSA, Singapore

May 1, 2025 - Present

Developed a cross-platform shipment tracking app in React Native deployed to Android and iOS, with a companion admin dashboard on Vite/React hosted on Azure Static Web Apps. Built a 24-endpoint serverless API on Azure Functions (Python) with Cosmos DB (4 containers), RBAC via Managed Identity, and six in-process rate limiters. Created a shipment watch system using Azure Communication Services with ETA-change emails via a 4-hourly timer trigger and automated unsubscribe. Implemented Entra ID-gated admin dashboard with live telemetry (reCAPTCHA, App Insights, Azure DevOps) and IP blocklist management. Integrated Claude Haiku via Anthropic API for natural language queries against live data, enabling conversational actions. Established multi-stage Azure DevOps pipelines (pytest, Jest, Vitest, SonarQube Android Gradle, iOS EAS Build, SWA deployment) with quality gates. Deployed cost-optimized SonarQube on Azure Container Instance with secret management via Azure Key Vault. Authored Terrafor

Software Developer Contractor at The Immigration People (TIP)

September 1, 2024 - May 1, 2025

Developed the portal’s form extraction function to export data into CSV, improving data accessibility and analysis for the admin team. Updated and refined the OTP feature for improved security and production readiness. Performed ongoing maintenance and bug fixes and prepared for migration to a new portal, while implementing features. Implemented auto-save with input validation and explored two-factor authentication using Google Authenticator and pyotp; designed an alternate email OTP delivery via Microsoft Graph API to avoid SMS OTP costs.

Software Developer Internship at The Academic People (TAP) Portal

March 1, 2024 - September 1, 2024

Developed The TAP Portal to enable admins to manage quizzes, question banks and user progress to assess immigrant children’s readiness for Singapore’s Curriculum. Implemented database enhancements (foreign key links) to accommodate more than 2000 columns; built work pass dashboard for managing permits and assigning Immigration Consultants; updated the portal to comply with ICA policy changes; introduced auto-save with input validation; implemented two-factor authentication (Google Authenticator and pyotp) and an alternative email OTP via Microsoft Graph API.

Software Developer Freelance at The Immigration People (TIP) - Freelance

December 1, 2023 - March 1, 2024

Migrated TIP’s version control from a manual process to GitHub, setting up cloud infra on AWS EC2. Developed an automated email reminder system using Microsoft Graph API to notify inactive clients two weeks after onboarding, introducing a task dashboard with cron-based scheduling. Enhanced the portal to support uploading/downloading documents with non-English characters, and managed TIP’s CMS with AWS S3 for image/blob storage. Adapted the portal to policy changes, implementing dynamic pricing based on onboarding dates to exempt pre‑January 1, 2024 users from GST hikes.