Full-Stack Developer – ASP.NET, JavaScript, SQL

HK10385-CELKI Celki International Limited; Hong Kong; On-site; HKD 240,000 - 360,000; Full time

Job summary

Air Liquide in Hong Kong is seeking an Application Developer to drive the full lifecycle of in-house and outsourced applications. You will maintain existing systems and work with local and group teams to design and roll out business solutions.

The role requires 1–2 years in IT/web development, familiarity with Salesforce/ERP, and knowledge of AWS Cloud or PowerBI. Strong English and Chinese communication skills are essential.

Qualifications

• Degree or higher diploma in Computer Science/IT or related field.
• 1–2 years of IT and web development experience; Salesforce/ERP experience preferred.
• Fluent in English and Chinese; good communication of technical concepts.

Responsibilities

• Handle full development lifecycle for in-house and outsourced apps.
• Provide ongoing maintenance and support for existing systems.
• Collaborate with IT and group teams to design and roll out solutions.
• Coordinate IT projects with Group Application and external vendors.
• Support internal users alongside the Group Infrastructure team.
• Perform ad‑hoc tasks as assigned.

Skills

JavaScript

C#

SQL

ASP.NET

jQuery

HTML

CSS

Education

Degree or Higher Diploma in Computer Science/Information Technology

Tools

Salesforce

ERP systems

AWS Cloud

PowerBI

SQL Server

MySQL

Job description

Air Liquide in Hong Kong is seeking an Application Developer to drive the full lifecycle of in-house and outsourced applications. You will maintain existing systems and work with local and group teams to design and roll out business solutions.

The role requires 1–2 years in IT/web development, familiarity with Salesforce/ERP, and knowledge of AWS Cloud or PowerBI. Strong English and Chinese communication skills are essential.