AI Prompt Engineer

На данный момент Senior Software Engineer.

Мои компетенции и опыт

Ethan Lim

Singapore | нужен доступ к резюме | нужен доступ к резюме | нужен доступ к резюме

Summary

Seasoned software engineer with 10+ years of experience in Python, JavaScript, and AI-powered automation platforms. Expert in designing prompt systems, integrating OpenAI APIs, and developing structured, human-readable outputs for HR-tech and SaaS products. Skilled in prompt engineering, API testing, JSON/Markdown formatting, and multi-language content adaptation. Proven track record of delivering scalable, reliable, and context-aware AI solutions that improve efficiency, accuracy, and user engagement. Adept at collaborating with cross-functional teams to translate business requirements into measurable technical outcomes.

Experience

Rescode | Senior Software Engineer May 2022 ~ Present

• Designed AI-powered content generation workflows using OpenAI API, improving job posting clarity and consistency by 40%.
• Developed structured prompts and subprompts to handle company descriptions, requirements, and responsibilities.
• Implemented prompt chains for context-aware outputs in JSON, Markdown, and plain text formats.
• Tested AI-generated outputs on 30+ HR templates, achieving 95% accuracy in format and tone adherence.
• Built scalable automation scripts in Python for batch content processing and API testing.
• Collaborated with product managers to align AI outputs with HR requirements and user experience goals.
• Conducted prompt audits and iterated on systems to improve output quality and efficiency.
• Created Prompt Guides and best practice documentation for internal teams.
• Integrated AI solutions with SaaS/PaaS platforms to streamline recruitment workflows.
• Mentored junior engineers in AI integration and prompt engineering practices.
• Optimized pipelines to reduce latency and improve API response times by 25%.
• Implemented logging and monitoring for AI output quality and error tracking.
• Enforced coding standards and clean architecture principles across automation scripts.
• Delivered measurable improvements in content readability, consistency, and processing speed.
• Coordinated cross-team reviews to ensure alignment with HR objectives.
• Developed test frameworks to validate AI outputs automatically.
• Enhanced system reliability and maintainability through modular scripting approaches.
• Participated in architecture discussions for AI workflow scalability.
• Designed prompts tailored to multiple professions and user personas.
• Automated feedback loops to continuously refine AI-generated content.
• Analyzed data patterns to optimize prompt structures for better engagement.
• Contributed to knowledge-sharing sessions on AI prompt engineering best practices.

Doodle Labs | Senior Full Stack Engineer Apr 2019 ~ Apr 2022

• Led Python and JavaScript backend development for AI-assisted SaaS products.
• Developed data pipelines for content processing and automated HR workflows.
• Integrated AI APIs to enhance platform functionality and user experience.
• Implemented test frameworks to ensure reliability of AI-generated outputs.
• Conducted audits of existing automation pipelines and improved efficiency by 30%.
• Optimized prompt templates for multiple industries and professions.
• Mentored team members in AI integration and prompt engineering techniques.
• Managed JSON/Markdown structured outputs for various automation modules.
• Collaborated with product and HR teams to refine automation objectives.
• Improved system throughput and reduced processing time for batch AI tasks.
• Documented workflows, prompt templates, and best practices for internal reference.
• Ensured AI outputs adhered to tone, style, and compliance requirements.
• Developed monitoring solutions for automated content quality assessment.
• Participated in sprint planning and technical reviews for AI-related projects.
• Refactored legacy scripts for better readability and maintainability.
• Implemented CI/CD pipelines for AI automation components.
• Assisted in scaling AI solutions for multi-language support.
• Conducted performance profiling for backend AI processing.
• Enhanced cross-team collaboration through documentation and training.
• Delivered measurable improvements in output quality and user satisfaction.

Wise | Full Stack Engineer May 2015 ~ Feb 2019

• Developed backend APIs and automation scripts in Python and JavaScript.
• Integrated AI modules for content creation and workflow automation.
• Applied clean architecture principles to ensure maintainability and scalability.
• Optimized batch processing and data pipelines for efficiency.
• Mentored junior engineers on coding best practices and automation strategies.
• Collaborated with product and UX teams to enhance content quality.
• Automated repetitive content generation tasks, reducing manual workload by 40%.
• Implemented logging and error handling for automated scripts.
• Designed structured data outputs for multiple system integrations.
• Improved reliability and maintainability of automation workflows.
• Conducted code reviews to enforce standards and quality.
• Participated in architecture discussions for automation and AI integration.
• Developed Python scripts for API testing and batch content validation.
• Documented automation workflows and best practices.
• Delivered measurable improvements in content readability and consistency.

Education

National University of Singapore Aug 2009 ~ Jul 2013

Bachelor’s Degree in Computer Science

Skills

• AI & ML: OpenAI GPT-4/4-turbo/5, LangChain, LlamaIndex, prompt design, AI-driven content automation
• Backend & Scripting: Python, JavaScript, API integration, JSON/Markdown data formatting
• DevOps & Cloud: CI/CD pipelines, automated testing, scalable deployment workflows
• HR-Tech & Content: Job description structuring, CTA formation, tone/style adaptation, content auditing, UX writing
• Collaboration & Tools: Agile methodologies, cross-functional communication, technical documentation, mentoring