Senior Backend Engineer (JAVA / GO)

re-zoo-me; Singapore; On-site; SGD 110,000 - 160,000; Full time

Benefits offered by this job

Tech Leadership

Growth & Learning

High-Performance Team

Flexible Culture

Job summary

re-zoo-me is seeking a Senior Backend Engineer in Singapore to drive design, development, and optimization of backend systems. You will own production-ready code, mentor juniors, and collaborate across product, frontend, and DevOps teams. A minimum of 5 years in backend engineering and strong ownership are required.

The role emphasizes scalable architectures, performance tuning, and secure, observable systems, with opportunities for technical leadership and growth within a high-performing team.

Qualifications

• Minimum 5 years of backend engineering experience, delivering production-level systems.
• Proficient in Java or Go, with experience in Spring Boot, WebFlux, Kafka, Redis, and SQL/NoSQL databases.
• System Design: capable of modular, scalable solutions with performance, security, observability.
• Problem Solving: identify edge cases, manage risk, and improve system quality.
• Process Mindset: spot inefficiencies and propose improvements in both tech and workflow.
• Team Collaboration: strong communication skills and proactive teamwork and feedback.

Responsibilities

• Design & Development: Build scalable, secure, and reliable backend systems.
• Code Quality: Write clean, maintainable code and refactor as needed.
• System Optimization: Identify and resolve performance and stability issues.
• Process & Mentorship: Improve development processes and guide junior engineers.
• Collaboration: Work with product, frontend, and DevOps teams to deliver robust systems.

Skills

Java

Go

System Design

Problem Solving

Process Mindset

Team Collaboration

Tools

Spring Boot

WebFlux

Kafka

Redis

SQL/NoSQL databases

Job description

JOB SUMMARY:

We are seeking a Senior Backend Engineer to join our growing engineering team. In this role, you will work independently to deliver production-ready, high-quality code with minimal issues. You will take full responsibility for the design, development, and optimization of backend systems, collaborating with cross-functional teams to ensure systems perform at their best. This is an excellent opportunity for an experienced engineer with at least 5 years of work experience who thrives on ownership, scalability, and technical leadership.

JOB DUTIES:

• Design & Development: Build scalable, secure, and reliable backend systems that meet business needs.
• Code Quality: Write clean, maintainable code and improve existing codebases through regular refactoring.
• System Optimization: Identify and resolve performance, stability, and scalability issues.
• Process & Mentorship: Improve development processes and provide guidance to junior engineers.
• Collaboration: Work closely with product, frontend, and DevOps teams to align on solutions and deliver robust systems.

JOB REQUIREMENTS:

• Minimum 5 years of backend engineering experience, delivering production-level systems.
• Tech Stack: Proficient in Java or Go, with experience in Spring Boot, WebFlux, Kafka, Redis, and SQL/NoSQL databases.
• System Design: Capable of designing modular, scalable solutions with considerations for performance, security, and observability.
• Problem Solving: Skilled at identifying edge cases, managing risk, and improving system quality.
• Process Mindset: Able to spot inefficiencies and propose improvements in both tech and workflow.
• Team Collaboration: Strong communication skills and a proactive approach to teamwork and feedback.

Soft Skills:

• Team Mindset: Proactively contribute to team and company goals with a collaborative attitude.
• Ownership: Take responsibility for your work and deliver with high quality and consistency.
• Adaptability: Open to feedback and willing to learn and grow with evolving challenges.
• Communication: Clearly articulate ideas and decisions with both technical and non-technical stakeholders.

What We Offer:

• Technical Leadership Opportunities: Participate in high-impact projects and lead the design of critical systems.
• Continuous Growth: Access to mentorship, learning resources, and a clear career progression path.
• High-Performance Collaboration: Work with a talented team using modern development practices (Agile/CI-CD).
• Flexibility and Trust: An open culture that encourages innovation and autonomous decision-making.