Senior Prompt Architect

IT CONSULTANCY & SERVICES PTE LTD; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

IT Consultancy & Services Pte Ltd is seeking a skilled prompt engineer to design and maintain prompts, templates, and output schemas that meet product and stakeholder needs.

The role emphasizes disciplined prompt engineering, including defining outputs, experimenting with few-shot instructions, and mitigating hallucinations. You will contribute to evaluation workflows and documentation, and uphold version control practices across prompt assets.

Qualifications

• Strong written communication to produce clear instructions.
• Experience creating structured prompts and templates.
• Knowledge of GPT/LLMs and how they respond to prompts.
• Understanding hallucinations, bias, and failure modes.
• Familiarity with zero-shot/few-shot prompting and tool calls.
• Experience with prompt versioning and documentation.

Responsibilities

• Design and maintain structured prompts, templates, and output schemas aligned to product and stakeholder requirements.
• Define expected outputs, constraints, and completion criteria for deliverables; document assumptions, edge cases, and limitations.
• Apply LLM best practices (context management, instruction hierarchy, few-shot examples) to improve accuracy and consistency.
• Test and debug prompt behavior through iterative experimentation; analyze failures and reduce hallucinations and variability.
• Create evaluation approaches (test sets, rubrics, human review workflows) and track quality over time.
• Implement Prompt Ops practices: version control, change management, documentation, and release processes for prompt assets.

Skills

Prompt design

Prompt templates

Output formats

LLMs knowledge

Hallucination mitigation

Versioning & docs

Job description

IT Consultancy & Services Pte Ltd is seeking a skilled prompt engineer to design and maintain prompts, templates, and output schemas that meet product and stakeholder needs.

The role emphasizes disciplined prompt engineering, including defining outputs, experimenting with few-shot instructions, and mitigating hallucinations. You will contribute to evaluation workflows and documentation, and uphold version control practices across prompt assets.