Software Engineer – Search and Recommendation

JD.COM

Software Engineer developing backend services for search and recommendation systems at JD.com. Building high-performance systems using Java and integrating machine learning models within microservices architecture.

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 search bar query, retrieval, and ranking scenarios
Integrate machine learning models into online search services through microservice-based architectures
Build and maintain high-performance backend systems 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 systems, such as retrieval, ranking, or advertising
Experience with microservices architecture and service deployment
Ability to communicate effectively in English and Chinese

Benefits

Comp & perks

Competitive salary
A great location
Supportive, people-first culture
Global projects access
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 learningbackend developmentsystem designperformance optimizationscalabilityreliabilitylow-latency performance

Soft Skills

effective communication

Certifications

Bachelor's degree in Computer Science