Senior Backend API Engineer — Node.js, TypeScript, REST

Questronix Corporation; Makati; On-site; PHP 900,000 - 1,500,000; Full time

Job summary

Questronix Corporation in Makati, Philippines seeks an experienced Senior Backend Engineer to design, develop, and maintain scalable backend applications, services, and APIs. You will build secure, high-performing APIs, integrate with internal and external systems, and work across the SDLC with diverse teams.

The role requires 5+ years in backend and API development, strong Node.js and TypeScript skills, AWS knowledge, and a solid grasp of databases, security, and performance optimization.

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.

Responsibilities

• 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.

Skills

Backend development

API development

RESTful APIs

Node.js

TypeScript

CI/CD

Agile development

Troubleshooting

Communication & collaboration

Tools

AWS

API Management

Git

CI/CD tooling

Job description

Questronix Corporation in Makati, Philippines seeks an experienced Senior Backend Engineer to design, develop, and maintain scalable backend applications, services, and APIs. You will build secure, high-performing APIs, integrate with internal and external systems, and work across the SDLC with diverse teams.

The role requires 5+ years in backend and API development, strong Node.js and TypeScript skills, AWS knowledge, and a solid grasp of databases, security, and performance optimization.