Senior Fullstack Developer

PT Guntner Indonesia; Jawa Timur; On-site; Full time

Job description

Main Task

• Design and implement Data Warehouse models and database layers (Staging, ODS, Core DW, and Data Marts).
• Develop and maintain ETL processes using SSIS for SAP S/4HANA, Salesforce, and internal web applications.
• Build and optimize backend services using .NET 8+.
• Develop frontend interfaces using HTML, JavaScript, PHP, CodeIgniter (CI), Bootstrap, or modern frameworks such as React/Angular.
• Configure SQL Agent Jobs, monitoring systems, and automated error handling processes.
• Develop and maintain reports and dashboards using Power BI and SAP Analytics Cloud.
• Analyze and optimize data flow processes across multiple business systems.
• Collaborate closely with global and cross-functional teams, especially the Mexico team.
• Lead, mentor, and support mid-level developers within the project team.
• Prepare and maintain technical documentation for database structures, ETL processes, and system architecture.

Qualifications

• Bachelor’s Degree in Information Technology, Computer Science, or related field.
• Minimum 2-5 years of experience as a Full Stack Developer, BI Developer, or similar role.
• Strong expertise in SQL Server, including stored procedures, triggers, views, CTEs, window functions, and SQL Agent Jobs.
• Proficient in .NET 8+, REST API development, MVC pattern, middleware, and dependency injection.
• Strong frontend development skills using HTML, PHP, CodeIgniter (CI), JavaScript, Bootstrap, React, or Angular.
• Experience with Power BI and SAP Analytics Cloud.
• Knowledge of SAP integrations (RFC, BAPI, OData, SAP .NET Connector) is a plus.
• Proficiency in English is mandatory for coordination with international teams.
• Able to work independently and collaboratively in a global project environment.
• Willing to be placed in Pasuruan, East Java.