Overview

CodeRound is hiring a ML Engineer to join our team.

Responsibilities

• Design, build, and deploy matchmaking, recommendation, ranking, and personalisation systems
• Develop a real-time adaptive recommendation engine that learns from user interactions and other behavioural signals
• Build ranking algorithms that deliver highly personalised and curated user experiences
• Develop user embeddings, similarity models, and graph-based match-scoring frameworks
• Research and implement cold-start solutions for users and recommendations with limited data
• Experiment with collaborative filtering, deep retrieval, learning-to-rank, embeddings, ANN search, and LLM-based approaches
• Own the full lifecycle of recommendation models, from problem definition and modelling to deployment and monitoring
• Establish and improve offline and online evaluation frameworks, A/B tests, and recommendation metrics
• Deploy models to production using fast iteration loops, model registries, and observability tooling
• Collaborate closely with Data, Product, and Backend teams to translate ML capabilities into strong customer experiences
• Help build the foundation for scalable, real-time ranking and recommendation infrastructure

Qualifications

• 2–4 years of experience working on recommendation systems, personalisation, search, feed ranking, or related ML problems at scale Strong hands-on experience building recommendation, ranking, or personalisation models
• Experience with a B2C product, ideally in social, ecommerce, fashion, dating, gaming, video, or other consumer platforms
• Understanding of recommendation techniques such as collaborative filtering, learning-to-rank, embeddings, similarity models, and retrieval systems
• Experience with end-to-end ML pipelines, including model development, experimentation, and/or production deployment Strong
• understanding of offline and online evaluation, A/B testing, and metric alignment Ability to work cross-functionally with Data, Product, and Backend teams Strong
• understanding of ML fundamentals and ability to translate product problems into scalable ML solutions Good to have
• Apply to join CodeRound.