Senior Backend Engineer (JAVA / GO)

Vanguard Software; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

Vanguard Software is seeking a Senior Backend Engineer in Singapore to design, develop, and optimize scalable backend systems with ownership and accountability. You will work closely with product, frontend, and DevOps teams to deliver robust solutions and mentor junior engineers.

The ideal candidate has 5+ years of backend experience, strong proficiency in Java or Go, and hands-on experience with Spring Boot, WebFlux, Kafka, Redis, and SQL/NoSQL databases.

Qualifications

• Minimum 5 years backend engineering experience delivering production-level systems.
• Proficient in Java or Go with Spring Boot, WebFlux, Kafka, Redis, and SQL/NoSQL databases.
• Capable of modular, scalable system design with performance, security, and observability considerations.

Responsibilities

• Design, develop, and optimize scalable backend systems with ownership.
• Maintain code quality through refactoring and testing.
• Identify and resolve performance, stability, and scalability issues.
• Mentor junior engineers and improve development processes.
• Collaborate with product, frontend, and DevOps teams to deliver robust systems.

Skills

Team Collaboration

Ownership

Adaptability

Communication

Tools

Java

Go

Spring Boot

WebFlux

Kafka

Redis

SQL/NoSQL databases

Job description

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.