Senior Full Stack Developer (C#, Python, and PHP) - Indonesia

eduCLaaS; Jakarta Pusat; On-site; IDR 320,000,000 - 460,000,000; Full time

Job summary

eduCLaaS is seeking a Senior Full Stack Developer to lead the design, development, and optimization of scalable web applications in Jakarta. The role requires hands-on coding in C#, Python and PHP, and collaboration across teams to deliver reliable, maintainable solutions aligned with business goals.

You will drive architecture discussions, implement APIs, ensure performance and security, and mentor junior developers.

Qualifications

• 5–7 years of professional software development experience.
• Hands-on with C#, Python, and PHP.
• Experience building enterprise-grade web applications.

Responsibilities

• Design, develop, enhance, and maintain web applications and internal systems
• Lead technical discussions, solution architecture, and system design initiatives
• Translate business and functional requirements into scalable and effective technical solutions
• Ensure application performance, security, scalability, and maintainability
• Develop and integrate APIs, third-party services, and database solutions
• Conduct code reviews and ensure adherence to coding standards and development best practices
• Troubleshoot and resolve complex technical and system-related issues
• Collaborate with cross-functional teams to ensure timely and high-quality project delivery
• Mentor junior developers and support technical knowledge-sharing within the team
• Contribute to technical documentation, process improvements, and continuous development initiatives

Skills

C#

Python

PHP

Job description

Senior Full Stack Developer (C#, Python, and PHP) - Indonesia

Jakarta, Indonesia | Posted on 09/01/2026

Experience Level: Minimum 5–7 years of relevant professional experience

About the Role

We are looking for a highly capable Senior Developer to lead the design, development, and optimization of scalable web applications and business systems. This role requires strong technical expertise, hands-on development experience, and the ability to contribute to architecture decisions and technical improvements across projects.

The ideal candidate is experienced in building enterprise-grade applications, troubleshooting complex technical issues, and collaborating closely with stakeholders to deliver reliable and maintainable solutions aligned with business objectives.

Key Responsibilities

• Design, develop, enhance, and maintain web applications and internal systems
  
• Lead technical discussions, solution architecture, and system design initiatives
  
• Translate business and functional requirements into scalable and effective technical solutions
  
• Ensure application performance, security, scalability, and maintainability
  
• Develop and integrate APIs, third-party services, and database solutions
  
• Conduct code reviews and ensure adherence to coding standards and development best practices
  
• Troubleshoot and resolve complex technical and system-related issues
  
• Collaborate with cross-functional teams to ensure timely and high-quality project delivery
  
• Mentor junior developers and support technical knowledge-sharing within the team
  
• Contribute to technical documentation, process improvements, and continuous development initiatives
  

Requirements

Requirements

• Minimum 5–7 years of professional experience in software or application development
  
• Strong hands-on experience with C#, Python, and PHP
  
• Strong understanding of web application development and software architecture
  
• Experience working with databases, APIs, and system integrations
  
• Familiarity with version control systems and structured development workflows
  
• Strong analytical and problem-solving skills with the ability to handle complex technical challenges
  
• Ability to work independently while collaborating effectively within a team
  
• Experience mentoring or guiding junior developers is an advantage
  
• Exposure to cloud technologies or enterprise systems is a plus