AI Full-stack Engineer / Codex Engineer

Deskripsi pekerjaan AI Full-stack Engineer / Codex Engineer PT. JST SOFTWARE INDONESIA

Qualification

• Education & Experience : Bacheloor Degree Background in Computer Science, Information Technology, Data Science, or a related field.
• Minimum 1 - 3 years of experience as a Fullstack or Related Field
• Male or Female
• 23 - 35 Years Old
• Speak English
• Requirment
• Strong experience building full-stack web applications
• Proficient with Codex or similar AI coding agents
• Strong ability to review AI-generated code and identify hallucinations or incorrect implementation
• Experience with modern frontend frameworks such as React, Next.js, Vue, or similar
• Experience with backend frameworks such as Node.js, NestJS, FastAPI, Django, Go, Laravel, or similar
• Experience with PostgreSQL or MySQL
• Experience with Redis, queues, background jobs, and API integrations
• Familiarity with REST APIs, webhooks, authentication, rate limits, and third-party integrations
• Ability to read and implement from English API documentation
• Understanding of order management, inventory, payments, logistics, or e-commerce systems
• Strong debugging skills and product thinking
• Comfortable working in an early-stage startup environment

Responsibilities

• Use Codex and AI coding workflows to rapidly build product modules
• Convert PRDs and product discussions into clear engineering tasks
• Design database schemas, APIs, service layers, frontend pages, and background jobs
• Build third-party API connectors for e-commerce platforms, logistics providers, payment providers, and Meta/WhatsApp APIs
• Implement webhook handlers, retries, idempotency, queues, and error logging
• Review and validate AI-generated code before merging
• Write tests for critical business logic, especially order, inventory, payment, and logistics workflows
• Read official API documentation and verify implementation matches documentation