Singapore
FULL_TIME
Skilled work
Startup Inno is seeking a highly skilled and creative Freelance Prompt Engineer to support innovative Singapore-based startups in optimizing their AI-driven workflows. This fully remote role focuses on designing, testing, and refining prompts for large language models and generative AI tools to improve accuracy, efficiency, and business outcomes.
The ideal candidate combines strong analytical thinking with hands-on AI experience and thrives in a fast-paced startup environment. This is a project-based freelance opportunity with potential for long-term collaboration.
Design, develop, and optimize high-quality prompts for various AI and LLM applications.
Collaborate with product managers, developers, and startup founders to understand AI use cases.
Test prompt performance and iterate based on output quality, accuracy, and business goals.
Build prompt libraries, templates, and best-practice documentation.
Analyze AI outputs and recommend improvements to workflows and automation.
Stay current with emerging trends in generative AI, prompt engineering, and LLM capabilities.
Support experimentation initiatives and rapid prototyping for startup clients.
Ensure ethical and responsible AI usage across projects.
Strong understanding of prompt engineering principles and LLM behavior.
Hands-on experience with generative AI platforms (e.g., ChatGPT, Claude, Gemini, or similar).
Excellent written English and ability to craft precise instructions.
Analytical mindset with strong problem-solving abilities.
Familiarity with basic scripting or programming (Python or JavaScript preferred).
Ability to translate business requirements into effective AI prompts.
Strong remote collaboration and communication skills.
Self-motivated with the ability to manage multiple freelance assignments.
2+ years of experience working with AI tools, prompt engineering, or conversational AI.
Prior freelance or startup experience is highly preferred.
Demonstrated portfolio of prompt optimization, AI automation, or LLM projects.
Experience supporting Singapore or global startup ecosystems is a plus.
Fully remote and flexible schedule.
Must be available for partial overlap with Singapore Time (SGT) when required.
Project-based workload with milestone-driven deliverables.
Deep curiosity about AI capabilities and limitations.
Ability to experiment systematically and document findings.
Strong attention to detail and output quality.
Comfort working in ambiguous, fast-moving startup environments.
Ability to explain technical AI concepts to non-technical stakeholders.
High level of professionalism and confidentiality.
Competitive freelance compensation.
100% remote work flexibility.
Opportunity to work with cutting-edge AI startups in Singapore.
Exposure to diverse AI use cases across industries.
Potential for long-term or recurring project engagements.
Fast-paced learning environment in generative AI.
At Startup Inno, you will work at the forefront of applied AI innovation, helping emerging startups unlock real business value from generative AI. This role offers significant creative freedom, exposure to global founders, and the opportunity to build a strong portfolio in one of the fastest-growing tech domains.
Interested candidates should submit:
Updated resume
Portfolio or samples of prompt engineering work
Brief cover note describing relevant AI experience
Availability and freelance rate expectations
Applications should be sent via the companys careers portal or designated hiring email. Only shortlisted candidates will be contacted.