Backend Engineer / Java Developer (Internship from 2027)

REOLINK TECHNOLOGY PTE. LTD.; Singapore; On-site; SGD 8,900 - 18,000; Part time

Job summary

REOLINK TECHNOLOGY PTE. LTD. offers a 5‑day, onsite backend internship at Tai Seng Exchange in Singapore. You will assist in the design, development, and optimization of backend systems and services, with guidance from senior engineers.

This role includes refactoring and performance improvements of core components, troubleshooting, and participation in system design discussions emphasizing scalability and reliability across the full software lifecycle.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• Strong foundation in data structures, algorithms, operating systems, and networking.
• Proficiency in Java or Node.js.
• Basic understanding of databases (MySQL) and SQL.
• Familiarity with backend concepts such as APIs, system design, and debugging.
• Good problem-solving skills and willingness to learn in a fast-paced environment.

Responsibilities

• Assist in the design, development, and optimization of backend systems and services
• Support refactoring and performance improvements of core system components
• Troubleshoot and solve technical issues with guidance from senior engineers
• Participate in system design discussions, focusing on scalability and reliability
• Contribute to the full software development lifecycle (development, testing, deployment)

Skills

Java

Node.js

Algorithms

Data structures

Operating systems

Networking

Education

Bachelor’s or Master’s degree in Computer Science or Software Engineering

Tools

MySQL

Job description

Job Responsibilities

• 5 Days, Onsite Full Time Internship at Tai Seng Exchange.
• Assist in the design, development, and optimization of backend systems and services
• Support refactoring and performance improvements of core system components
• Troubleshoot and solve technical issues with guidance from senior engineers
• Participate in system design discussions, focusing on scalability and reliability
• Contribute to the full software development lifecycle (development, testing, deployment)

Job Requirements

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field
• Strong foundation in data structures, algorithms, operating systems, and networking
• Proficiency inJava or Node.js
• Basic understanding of databases (MySQL) and SQL
• Familiarity with backend concepts such as APIs, system design, and debugging
• Good problem-solving skills and willingness to learn in a fast-paced environment

Nice to Have

• Exposure to Redis, Kafka, RocketMQ, Zookeeper, or Dubbo
• Experience with database schema design or SQL optimization (through projects/internships)
• Understanding of distributed systems or microservices architecture
• Internship or project experience in backend development

Why Join Us

• Kickstart Your Engineering Career
  Gain hands-on experience building real-world backend systems from day one, with guidance from experienced engineers.
• Work on Scalable Systems
  Be exposed to modern backend technologies and architecture, including distributed systems, high-availability design, and performance optimization.
• Structured Learning & Mentorship
  Learn best practices in coding, system design, and debugging through mentorship and code reviews.
• Regional Exposure
  Collaborate with local and regional teams, gaining valuable experience working in a cross-border environment.
• Growth & Career Development
  Clear progression path with opportunities to grow into a mid-level engineer and take on more complex technical challenges.
• Supportive Team Culture
  Work in a collaborative environment where knowledge sharing and continuous improvement are encouraged.