Job description for Senior PHP Developer at Bestarion We are looking for Backend Developers to join a large-scale international project in the Geriatrics sector.

This isn't just a maintenance role—it’s a mission to unify and stabilize a global software system managing nursing homes across multiple countries.

• Key Responsibilities You will be the "architects" of a critical transition: Consolidate: Merge two distinct legacy PHP codebases into one unified, high-performance system.

• Refactor: Harmonize complex business logic and optimize SQL interactions.

• Transform: Pave the technical roadmap for PHP 8, PostgreSQL migration, and Cloud infrastructure adoption.

• Required Qualifications & Skills 4+ years of commercial PHP (Solid OOP) & strong experience with C#.

• Proven track record working with custom architectures (non-framework) and large-scale codebases.

• Deep understanding of SQL Server, stored procedures, and query optimization.

• Advanced Git skills (complex merging & conflict resolution).

• Your work directly affects operations, patient data, and reporting in the healthcare sector.

• Lead the transition from PHP 7 to PHP 8 and SQL Server to PostgreSQL.

• Work in a professional environment aligned with Australia (AEST).

• S 12-month initial project duration with a long-term vision.

• Soft Skills & Languages: Upper-Intermediate English (Ready for global collaboration).

• ATTRACTIVE BENEFITS Attractive salary and benefits (13th salary, distinguished employee of the quarter and year, seniority award…) Lunch allowance, free parking fee Laptop and monitor for working Performance appraisal twice a year Healthcare and accident insurance Various training on best practices and soft skills Team Building activities in every summer, company trip, big annual year-end party every year, etc Fitness & sports activities: football, tennis, table tennis, badminton… Commitment to community development: charity every quarter, blood donation, public seminars, career orientation talks… Support for personal loans such as home loans, vehicle loans, tuition fees… Location: QTSC Building, 3rd Floor, 1 Quang Trung, Software City, District 12.