Senior Java Developer

7 days ago

Cape Town, Western Cape, South Africa IOCO Full time

Are you a Java expert ready to build high-performance applications? We're looking for a Senior Java Developer skilled in Java EE, Spring Boot, AWS, SOAP/REST APIs, Hibernate, and SQL/Oracle. Join us to drive innovation, collaborate with top talent, and shape the future of enterprise software Stay ahead of the curve, embrace new technologies, and help shape the future of software development with us

What you'll do:


  • • Design, develop, and maintain enterprise-level Java applications using Java EE and Spring Boot.

  • • Build and integrate SOAP and RESTful APIs (XML/JSON) to facilitate seamless data exchange between services.

  • • Work extensively with XML, XSD, and JAXB for data serialization, transformation, and validation.

  • • Implement and maintain ORM solutions using Hibernate and JPA for efficient database interactions.

  • • Develop complex SQL queries, stored procedures, and database optimizations for Oracle and other relational databases.

  • • Ensure high-quality software through rigorous unit testing and the use of mocking frameworks.

  • • Apply object-oriented design principles and development patterns to create scalable and maintainable solutions.

  • • Leverage AWS cloud technologies for deployment, monitoring, and management of applications.

  • • Collaborate with product managers, business analysts, and other developers to translate requirements into technical solutions.

  • • Troubleshoot, debug, and resolve application issues, ensuring optimal performance and security.

  • • Participate in Agile development processes, including sprint planning, code reviews, and retrospectives.

  • • Write and maintain comprehensive technical documentation, including system architecture, design decisions, and coding standards.

  • • Conduct performance tuning and implement best practices for high-availability and fault-tolerant systems.

  • • Assist in the modernization and migration of legacy systems to cloud-based environments.

  • • Work closely with DevOps teams to support CI/CD pipelines and automate deployment processes.

  • • Stay updated with emerging technologies and best practices to continuously enhance system performance and team productivity.

Qualification(s) required:

  • Minimum: B.Comm, B.Eng, BSC Eng, BSC Informatics or related diploma / degree.

Our expertise:


  • • 5+ years of experience in Java systems development.

  • • Strong knowledge and hands-on experience with Java EE.

  • • Proficiency in XML, XSD, JAXB, and Web Services.

  • • Experience with unit testing and mocking frameworks.

  • • Solid understanding of object-oriented design principles and development patterns.

  • • Expertise in Spring and Spring Boot frameworks.

  • • Hands-on experience with ORM technologies, including Hibernate and JPA.

  • • Proficiency in SQL and Oracle databases.

  • • Experience working with SOAP and RESTful APIs (XML/JSON).

  • • Familiarity with AWS cloud environments.

Why work for us?

Want to work for an organization that solves complex real-world problems with innovative software solutions? At iOCO, we believe anything is possible with modern technology, software, and development expertise. We are continuously pushing the boundaries of innovative solutions across multiple industries using an array of technologies. 

You will be part of a consultancy, working with some of the most knowledgeable minds in the industry on interesting solutions across different business domains. 

Our culture of continuous learning will ensure that you will have all the opportunities, tools, and support to hone and grow your craft. 

By joining IOCO you will have an open invitation to our inspiring developer forums. A place where you will be able to connect and learn from and with your peers by sharing ideas, experiences, practices, and solutions. 

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