Senior Software Developer

Sabenza IT & Recruitment; Johannesburg; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Sabenza IT & Recruitment in Johannesburg, South Africa, is seeking a Senior Java Developer to own the development, maintenance and production support of enterprise Java applications in a telecom and value-added services environment.

You will design and implement solutions using Java/J2EE, Spring, Apache Camel, and messaging systems like RabbitMQ and ActiveMQ, ensuring stable, scalable, and well-documented software across Linux platforms.

Qualifications

• 5+ years of professional Java development experience.
• Strong production-level Java/J2EE and Spring experience.
• Solid SQL skills (writing and optimising queries).
• Hands-on experience with enterprise integrations.
• Experience with RabbitMQ and/or ActiveMQ.
• Apache Camel experience.
• Good understanding of testing, code reviews, and deployments.

Responsibilities

• Design, develop, and enhance Java-based enterprise applications.
• Work extensively with J2EE and Spring.
• Build and maintain enterprise integrations using Apache Camel.
• Develop and support messaging integrations with RabbitMQ and ActiveMQ.
• Write and optimise SQL queries for performance and reliability.
• Work in Linux environments and troubleshoot production issues.
• Participate in testing, code reviews, and deployments.
• Collaborate with technical teams and business stakeholders.
• Ensure applications remain stable, scalable, and maintainable.
• Document changes, configuration, and handover notes so others can support the work.

Skills

Java

J2EE

Spring

SQL

Enterprise integrations

Testing & code reviews

Deployment

Linux

Documentation

Tools

Apache Camel

RabbitMQ

ActiveMQ

HTML/CSS

Job description

Johannesburg, South Africa | Posted on 15/10/2026

We’relooking for a Senior Java Developer to own the development, maintenance,and production support of enterprise Java applications and integrations in atelecommunications and value-added services environment.

You’llbuild and support the systems that keep messaging and data flowing reliablybetween platforms, while making sure changes don’t break downstream services.

Whatyou’ll do:

• Design,develop, and enhance Java-based enterprise applications.
• Workextensively with J2EE and Spring.
• Buildand maintain enterprise integrations using Apache Camel.
• Developand support messaging integrations with RabbitMQ and/or ActiveMQ.
• Writeand optimise SQL queries for performance and reliability.
• Workin Linux environments and troubleshoot production issues.
• Participatein testing, code reviews, and deployments.
• Collaboratewith technical teams and business stakeholders.
• Ensureapplications remain stable, scalable, and maintainable.
• Documentchanges, configuration, and handover notes so others can support the work.

Requirements

Must-haveexperience:

• 5+years ofprofessional Java development experience.
• Strong,production-level Java / J2EE and Spring experience.
• SolidSQL skills (writing and optimising queries).
• Hands-onexperience with enterprise integrations.
• Experiencewith RabbitMQ and/or ActiveMQ.
• ApacheCamel experience.
• Goodunderstanding of software development practices (testing, code review,deployment).

Niceto have:

• Telecommunicationsor OSS/BSS experience.
• Experiencein high-volume transactional environments.
• Productionsupport experience.
• Additionalmessaging or integration technologies.
• BasicHTML/CSS.
• Exposureto monitoring, logging, and alerting in production.