Machine Learning Engineer

Job Overview

We have an exciting opportunity for a Machine Learning Engineer to join our growing technical team at Joybuy ( Joybuy is JD.com’s European full‑category online retail brand designed to bring customers a faster, more convenient, and cost‑effective shopping experience. Offering same‑day and next‑day delivery across the UK, Joybuy combines speed, reliability, and affordability to meet the needs of modern shoppers. Your work will impact the search and recommendation experience for our customers, with a business impact of at least GBP 100 million. This will involve working alongside design leads, product leads, and business leads, helping with everything from the development of tools and platforms to code optimisations and the deployment of solutions.

Responsibilities

• Participate in system design, architecture, and software development of the search and recommendation function.
• Design, develop, test, deploy, maintain, and enhance high‑quality code and solutions.
• Perform code reviews to optimise the technical performance of the solutions.
• Influence and coach a distributed team of engineers.
• Communicate and translate business needs into technical requirements.
• Manage project priorities, deadlines, and deliverables.
• Facilitate alignment and clarity across teams on goals, outcomes, and timelines.
• Look for opportunities to continuously improve our technology, processes, and practices.

Minimum Qualifications

• Bachelor's degree in Engineering, Computer Science, Mathematics, or a related technical field.
• Professional experience in software development, with recent years focused on search technologies.
• Professional experience in testing and launching software products, as well as software design and architecture.
• Experience with different programming languages and a good grasp of at least one language, such as Python.
• Customer focus with the right balance between outcome delivery and technical excellence.
• Ability to apply technical skills and know‑how to solving real‑world business problems.
• Good understanding of NLP processing.
• Proficiency in the English language.

Preferred Qualifications

• A background or strong understanding of the retail sector, logistics, and/or e‑commerce.
• Recent professional software development experience in recommender systems.
• Proficiency in the Chinese language.

At JD.com, we’re committed to building a diverse and inclusive workplace where everyone can thrive. We’re proud to be an equal opportunity employer and make all employment decisions without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, disability, age, veteran status, or any other protected characteristic.

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