Calypso Tech Developer - Java & API Specialist (Banking)

Discovery Limited; Johannesburg; On-site; ZAR 1,000,000 - 1,800,000; Full time

Job summary

Discovery Limited, through Discovery Bank, seeks a Calypso Technical Developer in Johannesburg to advance Calypso architecture, APIs, and Java solutions. The role emphasizes translating business requirements into technical designs, developing Calypso workflows and messaging components, and maintaining high-quality deliverables.

Strong back-end Java and SQL skills, plus experience with SDLC and testing, are essential.

Qualifications

• 6+ years hands-on Calypso development, customization, and implementation.
• Expertise in Calypso platform versions 16+ including configuration and development.
• Proficiency in writing SQL queries to interact with Calypso databases.
• Experience with back-office processes such as SWIFT, settlements, CREs, accounting.
• Strong Java backend development experience (6+ years).
• Experience handling large data volumes and transactional systems.

Responsibilities

• Develop Calypso solutions by studying information needs and business workflows.
• Translate requirements into technical designs aligned with Discovery Bank standards.
• Develop and maintain Calypso workflows, tasks, and messaging components.
• Lead code reviews and mentor junior developers to ensure coding standards.
• Provide production support, root cause analysis, and incident response.
• Produce Technical Design documents and participate in JAD sessions.

Skills

Calypso development

Java development

SQL querying

Back-office knowledge

SDLC understanding

Unit testing

Education

BSc Computer Science/Information Systems

Tools

Spring

Spring Boot

Spring Web MVC

Spring JMS

Spring Kafka

MyBatis

HANA

JSON/Jackson

XML/JAXB

JUnit/Mockito

Docker

Openshift

Jenkins

Maven

Git/Bitbucket

IBM MQ

Job description

Discovery Limited, through Discovery Bank, seeks a Calypso Technical Developer in Johannesburg to advance Calypso architecture, APIs, and Java solutions. The role emphasizes translating business requirements into technical designs, developing Calypso workflows and messaging components, and maintaining high-quality deliverables.

Strong back-end Java and SQL skills, plus experience with SDLC and testing, are essential.