Software Engineer (Backend)

Joybuy; Greater London; On-site; GBP 65,000 - 100,000; Full time

Benefits offered by this job

Health insurance

Retirement plans

Performance bonuses

Job summary

Joybuy is seeking a backend engineer to build and maintain scalable Java/Spring Boot systems at the forefront of global ecommerce. You will contribute to high-performance services, security, and reliability while collaborating with international teams and stakeholders.

Ideal candidates have 3+ years of Java experience, a passion for clean code, and strong English and Chinese communication. The role is based in London with a dynamic, multinational team and opportunities for growth.

Qualifications

• Bachelor's degree in Engineering, Computer Science, Mathematics, or a related technical field.
• 3+ years of experience in Java programming and Spring Boot.
• Demonstrated coding proficiency and clean, elegant code with open-source interest.
• Proactive, fast learner, highly collaborative with strong communication and problem-solving skills.
• Effective communication in Chinese and English.

Responsibilities

• Build and maintain Joybuy's backend systems, ensuring high performance, availability, concurrency, security, and scalability.
• Identify and mitigate technical risks throughout project implementation, developing strategies for monitorability, maintainability, and rollback.
• Research, adopt, and promote new technologies and methodologies.
• Identify integration opportunities between emerging technologies and global system architectures to strengthen architectural foresight.

Skills

Java

Spring Boot

Backend systems

Distributed systems

Code quality

Education

Bachelor's degree

Job description

• Build and maintain Joybuy's backend systems, ensuring high performance, availability, concurrency, security, and scalability.
• Identify and mitigate technical risks throughout project implementation, developing and executing effective control strategies that cover monitorability, maintainability, and grey release or rollback capabilities.
• Research, adopt, and promote new technologies and methodologies.
• Identify integration opportunities between emerging technologies and global system architectures to drive the team’s technical growth and strengthen architectural foresight.

Minimum Qualifications

• Bachelor's degree in Engineering, Computer Science, Mathematics, or a related technical field.
• 3+ years of experience in Java programming and Spring Boot.
• Passionate about technology and continuous improvement, demonstrating exceptional coding proficiency, a commitment to clean and elegant code, and a keen interest in exploring open-source projects.
• Proactive, fast learner, and highly collaborative, with strong communication, analytical, and problem-solving skills, capable of independently identifying and resolving complex technical challenges.
• Effective communication skills in Chinese and English.

Preferred Qualifications

• Work experience in large-scale ecommerce companies.
• Experience in supply chain, finance, fulfilment, logistics, or marketing systems.
• Experience in UK and European business.

What We Offer

• A dynamic and challenging work environment in a leading global e-commerce company.
• The opportunity to work with a diverse international team and to make a significant impact on JD.com's global presence.
• Competitive salary and benefits package, including health insurance, retirement plans, and performance bonuses.

JD.com is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.