# Backend API Developer

> Questronix Corporation · Makati City, Philippines · — · Posted 2026-09-25

**Workplace:** on_site

## Description

**Job Description:**

-   Design, develop, and maintain scalable backend applications, services, and APIs based on business and technical requirements.
-   Develop secure, reliable, and high-performing APIs and integrations supporting internal and external applications.
-   Design and optimize application logic, data processing, database interactions, and system integrations.
-   Perform code reviews, troubleshooting, performance tuning, and resolution of complex technical issues.
-   Collaborate with frontend developers, QA engineers, DevOps, architects, and business stakeholders throughout the SDLC.
-   Provide technical guidance to other developers and ensure adherence to coding, security, integration, and development standards.

## Requirements

**Qualifications:**

-   **5+ years of professional software development experience with strong backend and API development expertise.**
-   **5+ years of experience with Node.js, TypeScript and RESTful APIs.**
-   **Knowledge of AWS and API Management.**
-   **Strong experience designing and developing scalable backend applications, RESTful APIs, services, and system integrations.**
-   Solid understanding of databases, data structures, application architecture, security, authentication, authorization, and performance optimization.
-   **Experience with software development tools, version control, testing, CI/CD, and Agile development practices.**
-   Ability to troubleshoot complex technical issues, perform code reviews, and provide technical guidance to other developers.
-   Strong analytical, problem-solving, communication, and collaboration skills.

## Apply

[Apply at Questronix Corporation](https://apply.workable.com/questronix-corporation-2/j/7B3B16E59C/apply)

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