Senior Lead Backend Architect — Java, Cloud & Payments

xender tech pte. ltd.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

xender tech pte. ltd. is seeking a Senior Lead Software Engineer (Java Backend) to architect and rapidly deliver robust backend systems.

You will lead the design of high-concurrency platforms and oversee distributed services, payment integration layers, and real-time matching components. The role requires 10+ years in Java backend, strong Spring/Spring Cloud skills, and hands-on cloud experience with AWS and Alibaba Cloud.

Qualifications

• Bachelor’s degree in software engineering or related field.
• 10+ years of professional Java backend development, distributed systems, and system architecture.
• Strong expertise in Spring/Spring Cloud, Redis, Kafka, RocketMQ, and MySQL.
• Hands-on experience with AWS and Alibaba Cloud.

Responsibilities

• Architect and develop high-concurrency, transaction-intensive backend systems.
• Build and maintain scalable backend services including payment gateways and wallet systems.
• Manage cloud-based applications and data platforms on AWS and Alibaba Cloud.
• Apply distributed locks, load balancing, and degradation strategies for high-volume transactions.
• Drive end-to-end delivery from architecture to production deployment and optimization.

Skills

Leadership

Architecture design

Problem solving

International collaboration

Education

Bachelor’s Degree in Software Engineering

Tools

Spring / Spring Cloud

Redis

Kafka

RocketMQ

MySQL

AWS

Alibaba Cloud

Job description

xender tech pte. ltd. is seeking a Senior Lead Software Engineer (Java Backend) to architect and rapidly deliver robust backend systems.

You will lead the design of high-concurrency platforms and oversee distributed services, payment integration layers, and real-time matching components. The role requires 10+ years in Java backend, strong Spring/Spring Cloud skills, and hands-on cloud experience with AWS and Alibaba Cloud.