We are looking for a Senior AX Developer to join our engineering team and play a key role in enhancing and supporting our Microsoft Dynamics AX 2012 R3 ecosystem. This role is perfect for someone who thrives in a fast-moving environment, enjoys deep technical challenges, and wants to make a direct impact on business operations across sales, pricing, customer management, and invoicing.

You'll collaborate with global stakeholders, business teams, and technical experts to design robust solutions, improve system performance, and drive integration initiatives with modern platforms and services.

What You'll Do

Design, develop, and maintain advanced customizations in Dynamics AX 2012 using X++, including classes, forms, tables, batch jobs, and AIF services.
Build and support integrations between AX and external systems such as e-commerce platforms, pricing engines, marketing automation systems, payment providers, and other business applications.
Manage, troubleshoot, and optimize critical business workflows related to sales orders, customers, pricing, invoicing, and integration processes.
Investigate and resolve production issues across AX, SQL Server, and integration layers while ensuring system stability and performance.
Improve SQL query performance, optimize data access, and support technical documentation including solution designs, integration flows, and data contracts.
Collaborate closely with cross-functional teams and global stakeholders to deliver scalable, reliable, and business-driven ERP solutions.

Who We're Looking For

5+ years of hands-on experience developing on Microsoft Dynamics AX 2012 with strong expertise in X++, AX architecture, and AX data models.
Solid understanding of sales orders, customers, pricing, invoicing, and related ERP business processes.
Proven experience with AX integrations including AIF, web services, APIs, messaging systems, and file-based integrations.
Strong SQL Server skills covering query writing, performance tuning, and troubleshooting.
Strong analytical thinking, debugging capability, and communication skills in English.

Nice to Have

Experience working with e-commerce ecosystems, pricing/CPQ platforms, or marketing automation systems.
Familiarity with ETL tools, scripting languages such as Python or PowerShell, and integration frameworks.
Experience with source control systems and CI/CD practices for AX deployments.

Why Join Us

Opportunity to work on large-scale enterprise systems with direct business impact.
Exposure to global teams, modern integration ecosystems, and complex technical challenges.
A collaborative engineering culture that values ownership, innovation, and technical excellence.
Competitive compensation, attractive benefits, and long-term career growth opportunities.

What We Offer

Attractive and competitive performance-based compensation package.
Full gross salary during probation.
Generous 13-month salary and dedication bonus.
Comprehensive healthcare insurance package and annual health check-ups.
Flexible working time, 2 days remote per week
Flexible check-in time before 10:00 AM.
12 annual leave days, 5 sick leave days, 11 public holidays as required by Vietnamese Labor Law, plus one extra day off for Christmas.
Opportunity to work on global projects, collaborate with international teams.
Daily breakfast, Happy Thursday gatherings to connect with colleagues.
Active sport clubs such as badminton, running, football, music clubs.
Teambuilding activities, annual company trips, and year end party.
Continuous learning opportunities through technical & soft skills training, English classes, and internal communities.
Financial assistance for important life events, including marriage, childbirth, and bereavement, ensuring support at every stage of life.

Senior Dynamics AX Developer