Galaxy Holdings

Overview of job

We are looking for experienced and detail-oriented Senior Technical Writers who can transform complex technical concepts into clear, structured, and user-friendly documentation. The role will cover two key specialization areas:

• API &Architecture Documentation
• Database & Schema Documentation

Responsibilities: 

API & Architecture specialization

• Write and maintain API documentation(REST/GraphQL), integration guides, and developer guidelines.
• Design and visualize workflows of business processes.
• Document system architecture: Front-end, Back-end, Mobile.
• Draft and standardize BRDs, technical solution documents, and partner handover documentation.

Database & Schema specialization

• Write and maintain Database Schema Documentation (ERD, schema definitions, relations).
• Standardize data dictionaries (tables, columns, constraints, indexes).
• Document data flow and data integration across systems.
• Standardize database documentation for version control (Prisma schema, SQL migration, etc.)

• Competitive salary package (Base salary and performance bonuses).
• Probation period salary is 100% of the official salary.
• Comprehensive health and accident insurance.
• 15 days of annual leave.
• Provision of work equipment (Macbook/ Laptop, mouse, monitor, etc.).
• A creative and modern working environment.

• 3+ years of experience in Technical Writing or equivalent.
• Strong ability to produce clear, logical, bilingual (VN/EN) documentation.
• Proficiency with diagram/ERD tools (Visio, Draw.io, Lucid chart, Data Grip ).
• Experience collaborating with developers, architects, and POs in Agile environments.

API & Architecture specialization

• Strong knowledge of API design (REST, GraphQL, Open API/Swagger).
• Understanding of Front-end, Back-end, and Mobile architectures.
• Experience with SaaS/Fintech systems is a plus.

Database & Schema specialization

• Strong knowledge of RDBMS (PostgreSQL, MySQL, Oracle); No SQL is a plus.
• Ability to analyze and document Database Schemas, Relations, and Data Flows.
• Experience with Data Warehouses (Snowflake, Big Query) is a plus.