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Full-time
Competitive Compensation, Professional Development Support
Posted 27d ago
~40 hrs/week
Responsibilities
The Prompt Designer develops and refines structured prompts and interaction patterns to ensure accurate and safe outputs from large language models. This includes implementing PromptOps practices, monitoring production performance, and collaborating with UX and engineering teams to integrate AI workflows.
Requirements
Candidates must possess strong written communication skills and a deep working knowledge of LLM behavior, including prompting techniques and failure modes. Proficiency in systematic testing, prompt versioning, and designing intuitive AI user interactions is required.
Full job description
Company Description
NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group.
Job Description
Job Summary
The Prompt Designer develops, tests, and refines prompts and AI interaction patterns to produce consistent, accurate, and safe outputs from large language models (LLMs). This role partners with product, engineering, and subject-matter experts to translate user needs into well-structured instructions, evaluation criteria, and governed prompt assets that improve quality, user experience, and business outcomes.
What will you do
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 PromptOps practices: version control, change management, documentation, and release processes for prompt assets.
Monitor production performance (quality, safety, latency, and cost) and optimize prompts for efficiency.
Collaborate with UX/Product teams to design user-friendly AI interactions, workflows, and guardrails.
Partner with engineering to integrate prompts into applications, including retrieval-augmented workflows where applicable.
Ensure prompts and AI experiences align with governance, security, privacy, and safety standards.
Qualifications
Essential Qualifications
Communication & Writing (Core)
Strong written communication skills with the ability to produce clear, unambiguous instructions.
Experience creating structured prompts, prompt templates, and specifying output formats.
Ability to translate business needs into actionable prompt requirements and documentation.
AI/LLM Knowledge (Core)
Working knowledge of GPT/LLMs and how they respond to instructions and context.
Understanding of hallucinations, bias, and common failure modes.
Familiarity with prompting techniques (e.g., zero-shot/few-shot, chain-of-thought alternatives, tool/function calling concepts) and constraints.
Analytical Thinking (Core)
Ability to test prompts systematically, interpret outputs, and identify root causes of failures.
Comfort with iterative refinement, A/B-style comparisons, and accuracy/quality improvement.
Ability to design simple evaluation criteria and measure improvements over time.
PromptOps & Governance (Core)
Experience with prompt versioning, documentation, and change control.
Understanding of monitoring needs for quality and safety in production.
Ability to design intuitive AI interactions that fit user workflows.
Experience collaborating with product/UX to align AI behavior with user intent.
Understanding of how to set expectations and provide helpful, safe responses.
Additional Information
Why Join NCS
Lead high-impact AI management consulting programs for major enterprises and public sector clients.
Shape enterprise strategies and governance frameworks that drive real transformation.
Work with a talented, multidisciplinary team in a collaborative environment.
Competitive compensation and strong professional development support.
We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.
Together, we make the extraordinary happen.
Learn more about us at ncs.co and visit our LinkedIn career site.
Scam Alert
We are aware of fraudulent job offers and impersonations of NCS recruiters. Phishing emails using convincing-looking but fake addresses are also commonly used to trick you into thinking that they come from official NCS sources.
Please note that all official communications from NCS Group will only be sent from verified corporate email addresses. Always check that the sender’s email address ends with the genuine NCS domain, @ncs.com.sg and beware of extra letters, symbols or misspellings. When in doubt, verify the sender’s identity by contacting us at .
NCS is a leading AI Tech Services company. With a 15,000-strong team across the Asia Pacific, NCS scales its platforms and capabilities to provide clients with greater agility and AI expertise across a range of Industries. Embracing a strong ecosystem of global partners, NCS transforms technology services delivery combining AI with digital resilience to drive real business impact. NCS is a subsidiary of the Singtel Group. For more information, visit ncs.co.
Offices: Singapore, 5 Ang Mo Kio Street 62, NCS Hub, Singapore, 569141, SG · Hong Kong, 21/F 1063 King’s Road, Quarry Bay Hong Kong, Hong Kong, Quarry Bay, HK · Shanghai, 10F, No.2 Building, 51 Zhengxue Road, Yangpu District Shanghai 200433, China, Shanghai, 200433, CN · Sydney, Optus Centre Sydney, 1 Lyonpark Road, Macquarie Park NSW 2113, Australia, Sydney, NSW 2113, AU · Beijing, Room 406, Hyundai Motor Tower, No. 38 Xiao Yun Road, Chaoyang District Beijing 100096, China, Beijing, 100096, CN
Business Application ServicesCommunications EngineeringICT Professional ServicesDigitalInfrastructure ServicesCloudTechnologyProductsPlatformsConsulting
How many Consulting jobs are open in Singapore, Singapore right now?
There are currently 3,584 open consulting positions in Singapore, Singapore listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Consulting roles in Singapore, Singapore?
Companies currently hiring include NCS Group, PwC, Monitor Deloitte, Activate Interactive, HSBC, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Consulting jobs in Singapore, Singapore?
Yes — 970 of the 3584 open consulting positions offer remote or hybrid work (106 remote, 864 hybrid).
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Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.