Ultrasound Annotation Assistant (Part-Time / Project-Based)

CYGNUS MED PTE. LTD.; Singapore; On-site; SGD 20,000 - 60,000; Part time

Job summary

A leading medical technology firm in Singapore is seeking a part-time candidate to assist with annotating lower-limb venous ultrasound images. This role involves working with the AI research team to improve software accuracy, requiring experience in medical imaging and a commitment of 16-25 hours per week. Training will be provided, with a flexible schedule for the right candidate.

Qualifications

• Must commit at least 16-25 hours per week with a flexible schedule.
• Experience in ultrasound imaging or vascular anatomy required.
• Ability to commit 16–25 hours per week on a flexible schedule.

Responsibilities

• Annotate lower-limb venous ultrasound images and video loops.
• Ensure annotation consistency and accuracy based on guidelines.
• Maintain clear documentation of annotation progress.

Skills

Experience in medical imaging

Attention to detail

Experience with ultrasound imaging

Education

Training in anatomy, physiology, biomedical engineering

Tools

Medical annotation tools

Job description

About Us

Cygnus Med is the Singapore-based R&D center of Furui Medical Science, a publicly listed global medical technology group focused on early-stage diagnosis. Positioned at the crossroads of clinical medicine, medical imaging, and computational science, we are building the next generation of intelligent tools that empower physicians to make faster, more accurate decisions.

At Cygnus, we blend the agility of a startup with the stability and scale of an international enterprise. As part of a high-impact, cross-disciplinary team, your work will translate directly into innovations that improve patient outcomes around the world.

Position Overview

You will work closely with our AI research team and clinical advisors to label and annotate lower-limb venous ultrasound examinations using Cygnus Med’s internal annotation platform. This role is crucial for improving the accuracy and robustness of our AI-CHIVA software.

This position is suitable for medical students, biomedical engineering students, sonography students, or candidates with experience in ultrasound imaging.

Training will be provided.

Key Responsibilities

• Annotate lower-limb venous ultrasound images and video loops using our proprietary annotation tools
• Identify and label anatomical structures such as:
  • Great and small saphenous veins (GSV/SSV)
  • Tributaries and perforators
  • Deep venous segments
  • Reflux points (escape points) and re-entry points
• Ensure annotation consistency and accuracy based on CHIVA hemodynamic principles
• Review and refine labels according to feedback from vascular surgeons
• Maintain clear documentation of annotation batches and progress
• Work with the AI engineering team to report technical issues or areas for improvement in the platform

Requirements

• Experience in medical imaging, ultrasound, or vascular anatomy
• Strong attention to detail and ability to follow structured annotation guidelines
• Ability to commit at least 16-25 hours per week (flexible schedule)

Preferred Qualifications

• Previous experience in clinical research, diagnostic ultrasound, or regulated healthcare data environments;
• Training in anatomy, physiology, biomedical engineering, or related disciplines
• Familiarity with varicose vein evaluations or venous anatomy
• Experience with any medical annotation tools or radiology platforms

Employment Type

• Part-time / Project-based (3–6 months, extendable)
• Flexible schedule

Location & Work Arrangement

This role is primarily based onsite at our office near Buona Vista, Singapore.

Application

To apply, lease send your CV and a brief note on why this space excites you to [e-mail].

We look forward to seeing how your skills and creativity can contribute to building impactful healthcare software.