System Architect

About the Company

PT FIRST WAP INTERNATIONAL (brand name 1rstWAP) is a technology company providing advanced mobile messaging, location-based services, and other technology solutions to mobile operators, enterprise customers, and government institutions worldwide.

We are currently looking for a System Architect to join our System Architecture, Analysis & Design (SAAD) team in Setiabudi, South Jakarta.

Key Responsibilities

• Participate in requirement and change analysis for new features and improvements to existing products.
• Design efficient, scalable, stable, and maintainable software systems based on business and technical requirements.
• Prepare and maintain Software Design Description (SDD) and API Documentation.
• Translate business and software requirements (BRS/SRS) into system designs, technical specifications, architecture diagrams, and interfaces.
• Define system components, APIs, integrations, data flows, and appropriate design patterns.
• Work closely with Software Engineers, Database Engineers, Business Technology Analysts, and QA teams to ensure designs are correctly implemented.
• Support system performance, scalability, robustness, and maintainability improvements.
• Conduct technical documentation handovers and provide explanations to development teams.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or related field.
• 1–3 years of relevant experience in software development, system design, system analysis, or software/system architecture.
• Hands-on software development/programming experience.
• Good understanding of Software Architecture, Object-Oriented Analysis & Design (OOAD), and Design Patterns.
• Good understanding of API design, REST API, system integration, and database concepts.
• Familiar with technical documentation and modelling such as SDD, API Documentation, UML, Sequence Diagram, Component Diagram, Use Case, and Flowchart.
• Good analytical and problem-solving skills with strong attention to detail.
• Able to communicate and collaborate effectively with technical and non-technical teams.
• Good command of English and Indonesian, both written and spoken.
• Experience using API testing/documentation tools such as Postman is an advantage.

Skills

• Software Architecture
• System Performance, Scalability & Maintainability
• Teamwork
• API Design & System Integration
• Software Design & Design Patterns
• Technical Documentation (SDD & API Documentation)
• English Communication
• Requirement Analysis (BRS/SRS)
• Hands-on Software Development / Programming
• Object-Oriented Analysis & Design
• UML — Sequence Diagram, Component Diagram, Use Case, Flowchart

Jenis Pekerjaan: Penuh Waktu

Lokasi Kerja: Tatap muka