Alexander Unabia
I build robust backend systems and APIs that power exceptional digital experiences. Specializing in TypeScript, Node.js, and cloud architecture, with expertise in React Native and modern frontend development.
About Me
I'm a backend developer with a focus on building robust, scalable systems. With several years of professional experience developing APIs and cloud-based solutions, I strive to create efficient systems that power exceptional user experiences.
I specialize in TypeScript, Node.js, and cloud architecture, with a strong foundation in API development, authentication systems, and e-commerce integrations. I'm passionate about building systems that scale and delivering high-quality code.
My Skills
Work Experience
Adaca
Backend DeveloperDeveloped scalable APIs using Typescript for an E-commerce medusajs application.
Implemented OAuth2.0 authentication api for secure application access.
Developed and integrated external e-commerce platform APIs (Shopify, Lightspeed) using REST.
Developed webhook system for real-time inventory synchronization and order processing across multiple platforms.
Created comprehensive billing API with Lago integration for subscription management and usage-based pricing.
Accenture
Advanced Application Engineering AnalystDeveloped scalable APIs using NodeJS and AWS lambda attached to an API gateway for healthcare lab system.
Implemented AWS-SDK v3 for JavaScript into the current codebase, resulting in a performance boost of up to 30%.
Developed APIs for billing automated requisition system using Spring Boot and Java.
Designed and implemented the exponential backoff module using NodeJS to avoid API congestion.
CI/CD Pipeline Integration, pull requests, code reviews, load/stress testing, unit(jest)/integration/e2e testing.
inRiver
Junior DeveloperAssisted the development of multiple enterprise-level ETL scripts utilizing NodeJS for the data analytics team.
Designed and implemented scalable APIs using NodeJS and Express framework for feature improvement of existing tools.
Worked collaboratively with cross-functional teams to gather requirements, design, and implement software solutions.
Maintained clear documentation of ETL processes, including data mapping, data flow, and ETL logic.
Monitor and run shell commands on linux VMs using Muon SSH Terminal.
Participated in agile development processes, including daily stand-ups and sprint planning.
Adaca
Developed scalable APIs using Typescript for an E-commerce medusajs application.
Implemented OAuth2.0 authentication api for secure application access.
Developed and integrated external e-commerce platform APIs (Shopify, Lightspeed) using REST.
Developed webhook system for real-time inventory synchronization and order processing across multiple platforms.
Created comprehensive billing API with Lago integration for subscription management and usage-based pricing.
Accenture
Developed scalable APIs using NodeJS and AWS lambda attached to an API gateway for healthcare lab system.
Implemented AWS-SDK v3 for JavaScript into the current codebase, resulting in a performance boost of up to 30%.
Developed APIs for billing automated requisition system using Spring Boot and Java.
Designed and implemented the exponential backoff module using NodeJS to avoid API congestion.
CI/CD Pipeline Integration, pull requests, code reviews, load/stress testing, unit(jest)/integration/e2e testing.
inRiver
Assisted the development of multiple enterprise-level ETL scripts utilizing NodeJS for the data analytics team.
Designed and implemented scalable APIs using NodeJS and Express framework for feature improvement of existing tools.
Worked collaboratively with cross-functional teams to gather requirements, design, and implement software solutions.
Maintained clear documentation of ETL processes, including data mapping, data flow, and ETL logic.
Monitor and run shell commands on linux VMs using Muon SSH Terminal.
Participated in agile development processes, including daily stand-ups and sprint planning.
Featured Projects
Shlinks App
A social networking app that lets you instantly connect with people nearby by shaking your phone. Whether at a conference, café, or campus, Shlinks enables real-time, secure contact exchange with mutual consent. Built with React Native and TypeScript.
Personal Portfolio
My personal website built with Next.js and TailwindCSS.
Shlinks Website
A landing page for the Shlinks app. Built with Next.js and TailwindCSS.
Get In Touch
I'm currently open to new opportunities and collaborations. Whether you have a project in mind or just want to connect, I'd love to hear from you!
Or email me directly at
unabiazander@gmail.com