Claude AI Engineer

About the role

PT Tradecorp Indonesia operates in the container and construction sectors, serving customers across Indonesia in (container depot, trading/leasing, container modification and construction projects). We are investing in AI to remove repetitive paperwork, speed up decisions in the yard and on site, and give our teams instant access to the knowledge buried in our documents and systems.

Key responsibilities:

Build & Integrate

• Design and implement production-grade applications using the Anthropic Claude API (Messages API, tool use, structured outputs, vision/PDF input, prompt caching, Message Batches) and Claude Agent SDK

• Build multi-turn conversational assistants, tool-calling agents, and multi-agent workflows

• Integrate Claude with internal and third-party systems (ERP, depot/operational systems, document storage, email, WhatsApp Business, Microsoft 365 / Google Workspace) via APIs and MCP servers

• Develop and maintain RAG pipelines over company documents (SOPs, contracts, specifications, past tenders), including chunking, hybrid search, re-ranking, and context management for Bahasa Indonesia and English content

• Build document-processing pipelines for scanned documents and handwritten forms, with human review where accuracy is critical

Prompting, Quality & Safety

• Develop robust prompt engineering strategies and maintain a versioned prompt library

• Create evaluation frameworks (automated + human) measuring extraction accuracy, hallucination rate, helpfulness, safety, latency, and cost

• Implement guardrails, input/output validation, and human-in-the-loop approval for actions involving money, contracts, or customer communication

• Continuously A/B test prompts, models, and architectures, and roll out improvements safely

Performance, Cost & Operations

• Optimize latency, token usage, and cost through model routing, prompt caching, batch processing, and efficient context management

• Build reliable production infrastructure (rate limiting, retries, fallbacks, streaming, logging, monitoring, alerting)

• Apply security and data-protection practices aligned with UU PDP (Law No. 27/2022) and client confidentiality requirements

• Track and report monthly API usage and cost versus business value

Business Partnership & Enablement

• Partner with users to map processes, prioritize automation opportunities, and translate requirements into Claude solutions

• Measure and report impact (hours saved, turnaround time, error reduction)

• Train end users and internal AI champions; support company-wide adoption

• Document architectures, prompts, evaluations, and best practices; maintain an internal knowledge base of patterns and failure modes

• Rapidly prototype new Claude capabilities and stay current with model and feature releases

Qualification:

• Solid programming experience in one or more languages such as Python, Java, JavaScript or similar, with demonstrated ability to write production-quality code

• Understanding of artificial intelligence and machine learning concepts, with practical experience implementing AI solutions

• Familiarity with Claude AI or other large language models, including API integration and prompt engineering

• Experience with software development best practices, version control systems and development frameworks

• Strong problem-solving skills and ability to debug complex technical issues independently

• Excellent communication skills with the ability to explain technical concepts to both technical and non-technical stakeholders

• Bachelor's degree in Computer Science, Engineering, Information Technology or a related field, or equivalent professional experience

• Preferred experience working in agile development environments

• Willing to work at Cakung, East Jakarta