Backend API Developer

Questronix Corporation; Manila; On-site; PHP 900,000 - 1,200,000; Full time

Job summary

Questronix Corporation is seeking a seasoned Backend Engineer to design, develop, and maintain scalable backend applications, services, and APIs in a Manila-based team. You will build secure, high-performing APIs and integrations supporting internal and external applications, while optimizing logic, data processing, and system integrations.

You will collaborate with frontend, QA, DevOps, architects, and stakeholders throughout the SDLC, providing technical guidance and upholding coding,

Qualifications

• 5+ years of professional software development experience with strong backend and API development expertise.
• Design and develop scalable backend applications, RESTful APIs, services and integrations.
• Solid understanding of databases, architecture, security and performance optimization.
• Experience with version control, testing, CI/CD and Agile practices.

Responsibilities

• Design, develop, and maintain scalable backend applications, services, and APIs.
• Develop secure, reliable APIs and integrations supporting internal and external apps.
• Design and optimize application logic, data processing, and system integrations.
• Perform code reviews, troubleshooting, performance tuning, and issue resolution.
• Collaborate with frontend, QA, DevOps, architects, and stakeholders through SDLC.
• Provide technical guidance to developers and enforce coding and security standards.

Skills

Backend development

API design

RESTful APIs

CI/CD

Agile practices

Troubleshooting

Collaborative skills

Tools

Git

CI/CD

Testing frameworks

Job 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.

Qualifications

Minimum Qualifications:

• 5+ years of professional software development experience with strong backend and API development expertise.
• 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.