Senior Backend Engineer (Java Developer)

Reolink; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

5 Work Days Per Week

Office near Kaki Bukit MRT

Will Relocate to Tai Seng MRT in Aug/S

Medical & Dental Benefits Provided

Yearly Bonus & Performance Bonus

Job summary

Reolink in Singapore is seeking a Senior Software Developer / Senior Backend Engineer to design and develop core system components, focusing on performance and scalability. You will own end-to-end development, work with Java-based applications, and collaborate with regional teams to deliver reliable security solutions.

The role requires 3+ years in Java software development, strong CS fundamentals, and experience with cloud platforms (AWS/Azure) and open-source frameworks.

Qualifications

• Bachelor's or Master's degree in CS, Software Engineering or related field.
• At least 3 years of software development experience (Java) preferred.
• Strong understanding of OS, networks, data structures, and algorithms.
• Cloud platforms AWS and Azure experience.
• Familiarity with Kafka, RocketMQ, Dubbo, Zookeeper, Redis.
• Deep knowledge of MySQL including schema design and SQL optimization.

Responsibilities

• Take ownership of design, development, refactoring and performance optimization of core system components.
• Research, design and implement solutions for high-concurrency scenarios.
• Contribute to system architecture decisions for scalability and availability.
• Participate in the full software development lifecycle from design to deployment and monitoring.
• Collaborate with local and regional teams and promote technical excellence.

Skills

Java programming

CS fundamentals

High-concurrency problem solving

Education

Bachelor's or Master's in CS/related

Tools

AWS

Azure

Kafka

RocketMQ

Dubbo

Zookeeper

Redis

MySQL

Job description

Reolink, a leader in intelligent visual technology for homes and businesses, was founded in 2009 by a group of engineers with a strong commitment to and passion for smarter security solutions.
Our products are now trusted by millions of users across more than 110 countries and regions worldwide. Building on this trust, we continue expanding our presence and bringing our innovations to more markets around the globe. Reolink remains committed to delivering advanced, reliable, and user‑centric solutions that empower people to protect what matters most.

• 5 Work Days Per Week
• Current Office Near to Kaki Bukit MRT, Singapore
• Will Relocate to Tai Seng MRT in August / September 2026
• Medical & Dental Benefits Provided
• Entitled to Yearly Bonus & Performance Bonus
• Current Application & Web App are using Java Programming

Job Requirements

• Bachelor'sorMaster's Degree in Computer Science, Software Engineering, or a related technical discipline
• At least3 years of software development experience (Java Programming)is preferable for this post
• Strong understanding of computer science fundamentals (operating systems, network principles, data structures, and algorithms)
• Cloud Platforms: AWS and Azure
• Frameworks: Common open-source frameworks and tools such as Kafka, RocketMQ, Dubbo, Zookeeper, and Redis.
• Deep knowledge of MySQL, including schema design, SQL optimization, and database scaling strategies.

Job Responsibilities ( Senior Software Developer / Senior Backend Engineer)

Design & Development

• Take ownership of the design, development, refactoring, and performance optimization of core system components, delivering high-quality and maintainable code.

Technical Innovation & Problem-Solving

• Research, design, and implement innovative solutions to address complex business and technical problems, particularly in high-concurrency scenarios.
• Contribute to system architecture decisions, focusing on scalability, high availability, and fault tolerance.

Full-Lifecycle Participation

• Actively participate in the entire software development lifecycle, from requirements analysis and system design to testing, deployment, and operational monitoring.
• Work effectively with local and regional team members, as well as business unit partners.
• Share knowledge, promote best practices, and help elevate the team's overall technical capabilities.

During the recruitment process, we collect and process personal data to assess your suitability for employment. This may include your name, phone number, email address, CV/resume, educational background, work experience, interview records, assessment results, references, and, where permitted by law, information obtained through background checks.

We collect most of this information directly from you through your application, interviews, assessments, correspondence, and recruitment platforms. We may also obtain relevant information from referees, recruitment agencies, background screening providers, or other lawful sources.
We implement appropriate technical and organisational security measures to protect your personal data. We retain candidate personal data only for as long as necessary for the recruitment process, applicable legal requirements, dispute resolution, and recordkeeping obligations. Thereafter, your data will be securely deleted or anonymized.