Job Description

Replicast AI is a leader in holographic digital human technology, delivering AI-powered avatars that talk, gesture and react in real time across physical and digital environments. Our lifelike digital humans are designed to enhance customer experience by offering human-like interaction 24/7, at kiosks, in holograms, in retail spaces, hospitality, healthcare, public services and financial institutions. With thousands of brands trusting our solutions, Replicast AI empowers companies to scale customer engagement, reduce wait-times and operate more efficiently while delivering emotionally engaging service that stands out.

We're looking for an enthusiastic AI Digital Human Engineering Intern to support the development and showcase of next-generation AI Digital Human applications powered by large language models (LLMs), voice technologies, and interactive web experiences.You'll work alongside a senior full-stack engineer and product team to help bring conversational AI avatars to life -- supporting development, testing, media editing, and event demos.
Key Responsibilities

• Support Development: Assist the full-stack engineer in building and testing web applications for AI Digital Human and conversational AI experiences.
• Media Editing: Help with video and image editing tasks for digital avatars (e.g., trimming, syncing lip movements, compositing, or basic visual enhancements).
• Quality Control & Testing: Perform QC and functional testing of web and AI features, ensuring user interactions, audio, and visual assets perform smoothly.
• Event & Demo Support: Provide technical support for trade show demos, including setup, testing, and running interactive AI showcases.
• Content Integration: Help integrate visual and audio assets into front-end and backend systems.
• Documentation: Maintain clear notes on test results, bug reports, and workflow improvements.

Desired Skills & Interests

• Basic knowledge of web development (React.js, TypeScript, or JavaScript) and curiosity about how front-end and back-end systems connect.
• Familiarity with or willingness to learn Node.js, Express, or similar web frameworks.
• Basic understanding of MySQL or other relational databases.
• Interest in AI technologies such as LLMs (OpenAI GPT), speech synthesis, or conversational systems.
• Skills in video and image editing tools (e.g., Adobe Premiere, After Effects, Photoshop, or similar).
• Strong attention to detail for testing and quality assurance.
• Comfortable supporting live tech demos or event setups.

Learning Opportunities

• Hands-on exposure to AI Digital Human and conversational AI technologies.
• Mentorship from experienced full-stack and AI engineers.
• Practical experience in LLM integration, voice interaction systems, and media-augmented applications.
• Insight into the full lifecycle of AI-driven web applications -- from development to deployment and live presentation.

Application Instructions
Please apply for this position by submitting your text CV using InternSG.
Kindly note that only shortlisted candidates will be notified.

Skills Required