Java Backend Engineer (Payments) – High-Volume, Cloud-Native

Acuity Consultants; Wes-Kaap; On-site; ZAR 725,000 - 893,000; Full time

Job summary

Acuity Consultants is seeking an Intermediate Java Software Developer in Cape Town to join a fast-growing payments FinTech. You'll develop high-performance backend systems that process millions of transactions daily, building robust Java services and microservices in a cloud-native environment.

Work includes messaging with Kafka/RabbitMQ, relational/NoSQL databases, and modern CI/CD pipelines. You will operate across the stack with a collaborative team, focusing on reliability, security, and

Qualifications

• Degree in Computer Science or Software Engineering.
• 3+ years in software development.
• Strong commercial Java experience in high-performance backend systems.
• Proven analytical skills for high-stakes, regulated environments.

Responsibilities

• Design and build high-performance Java backend services and microservices.
• Work with messaging and event-driven architectures to process transactions at scale.
• Ensure resilience, security, and auditability of payments infrastructure.
• Collaborate with engineers across the stack in a cloud-native environment.

Skills

Core Java

Microservices

Messaging

Databases

AWS

Education

Bachelor's degree in CS/SE

Tools

Kafka

RabbitMQ

Redis

Maven/Gradle

Git

Job description

Acuity Consultants is seeking an Intermediate Java Software Developer in Cape Town to join a fast-growing payments FinTech. You'll develop high-performance backend systems that process millions of transactions daily, building robust Java services and microservices in a cloud-native environment.

Work includes messaging with Kafka/RabbitMQ, relational/NoSQL databases, and modern CI/CD pipelines. You will operate across the stack with a collaborative team, focusing on reliability, security, and