Software Engineer – Recommendation

JD.COM

Software Engineer developing backend services for recommendation and discovery systems at JD.com. Collaborating with machine learning engineers and ensuring system performance.

Posted 6/6/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

JavaMicroservicesSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Design and develop backend services supporting recommendation and discovery scenarios
Integrate machine learning models for personalised ranking and recommendation using microservice architectures
Build and maintain backend applications using Java and Spring Boot
Collaborate with machine learning engineers to support model deployment, serving, and optimisation
Ensure system scalability, reliability, and low-latency performance under high traffic
Document system design decisions and share backend best practices within the team

Requirements

What you’ll need

Bachelor's degree (or equivalent) in Computer Science or a related field
3+ years of experience in Java programming and Spring Boot
Experience related to search or recommendation systems, such as ranking, retrieval, or advertising
Experience with microservices architecture and service deployment
Ability to communicate effectively in English and Chinese

Benefits

Comp & perks

Competitive salary
Great location
Supportive, people-first culture
Access to global projects
Learning opportunities
Inclusive environment that values every voice

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaSpring Bootmicroservices architecturemachine learningsystem designbackend developmentscalabilityreliabilitylow-latency performanceservice deployment

Soft Skills

effective communication

Certifications

Bachelor's degree in Computer Science