Senior Java Developer

1 week ago

Johannesburg, Gauteng, South Africa iDbase Software Full time R900 000 - R1 200 000 per year

About the Role

We are seeking a highly experienced Senior Java Developer to join our team. You will design, develop, and maintain scalable enterprise-grade applications using Java and modern frameworks.

This role emphasizes cloud-native development, microservices architecture, and high-performance, secure coding practices. It is ideal for a seasoned engineer who thrives in collaborative Agile environments, embraces continuous learning, and is passionate about delivering robust, maintainable software solutions.

Key Responsibilities

  1. Development & Architecture
  • Design, develop, and maintain backend applications using Java 8+, Spring, and Spring Boot.
  • Build microservices-based architectures with reusable and modular components.
  • Develop and integrate RESTful APIs and event-driven services.
  • Implement solutions using Apache Kafka for messaging and streaming.
  • Ensure high availability, scalability, and security of applications.
  • Apply best practices in coding, architecture, and DevOps for maintainable and extensible solutions.

  2. Databases & Cloud
  • Work with relational databases such as MS SQL and PostgreSQL and NoSQL databases like MongoDB.
  • Design and optimize database queries, schema, and indexes for performance.
  • Implement cloud-native solutions using AWS services such as EC2, S3, RDS, Lambda, and API Gateway.
  • Monitor and optimize cloud-based applications for performance and cost efficiency.

  2. Containerization & DevOps
  • Containerize applications using Docker and manage orchestration using Kubernetes / EKS.
  • Implement CI/CD pipelines using Jenkins, GitHub Actions, or Azure DevOps.
  • Monitor applications using logging and performance tools such as CloudWatch, Prometheus, Grafana.
  • Maintain unit tests, integration tests, and automated test frameworks to ensure code quality.

  2. Collaboration & Process
  • Collaborate with product managers, QA engineers, DevOps, and other developers in an Agile/Scrum environment.
  • Participate in code reviews, architecture discussions, and knowledge-sharing sessions.
  • Mentor junior developers and contribute to team growth and skill development.
  • Translate functional and technical requirements into high-quality software solutions.

Requirements & Qualifications

Must-Have Skills:

  • 5+ years of professional experience in Java development.
  • Strong experience with Spring and Spring Boot frameworks.
  • Hands-on experience with MS SQL, PostgreSQL, and MongoDB.
  • Experience with Apache Kafka for messaging and streaming.
  • Cloud experience with AWS (EC2, S3, RDS, Lambda).
  • Containerization experience using Docker and orchestration with Kubernetes / EKS.
  • Familiarity with microservices architecture and RESTful APIs.
  • Strong problem-solving skills, attention to detail, and secure coding practices.

Highly Desirable Skills:

  • Experience with event-driven architectures and message queues.
  • Knowledge of performance optimization, monitoring, and observability.
  • Familiarity with CI/CD pipelines, automated testing, and DevSecOps practices.
  • Exposure to Infrastructure as Code (Terraform, CloudFormation, or ARM templates).

Education

  • Bachelor's degree, higher certificate, or diploma in Computer Science, Software Engineering, IT, or a related field.

Additional Information

  • Contract Duration: 12 Months (with possibility of renewal)
  • Salary: Negotiable
  • Location Options: Johannesburg / Cape Town / Remote
  • Must be located in South Africa or have a valid work permit for South Africa

  • Senior Java Developer

    4 days ago

    Johannesburg, Gauteng, South Africa Hire Resolve Full time R120 000 - R180 000 per year

    Job Summary:We are currently seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. As a Senior Java Developer, you will be responsible for the development, integration, and maintenance of complex server-side Java applications. The successful candidate should have excellent problem-solving skills, a deep understanding of...

  • Senior Java Developer

    4 days ago

    Johannesburg, Gauteng, South Africa AiR Full time R1 200 000 - R2 400 000 per year

    12 month contractAbout the roleWe are seeking experienced Senior Java Developers who are passionate about building well engineered software and are eager to leverage AI powered coding tools to accelerate development. This is an opportunity to shape the future of software delivery by combining strong engineering practices with cutting edge AI techniques.Key...

  • Senior Java Developer

    4 days ago

    Johannesburg, Gauteng, South Africa Boardroom Appointments Full time R1 200 000 - R2 400 000 per year

    12 month contractMinimum requirements:B-Degree in Computer Science or related technical field10+ years Java application programming/development experience5+ years Spring Framework, JEE-Experience3+ CI/CD, DevOps, Docker, Kubernetes ExperienceSkills and competencies:Strong technical/ software engineering background (hands-on)Strong application/software...

  • Senior Java Developer

    1 week ago

    Johannesburg, Gauteng, South Africa FNB South Africa Full time R900 000 - R1 200 000 per year

    Job DescriptionDesign and develop websites with a strong emphasis on visual appeal, user experience, and technical performance. Ensure optimal site functionality, including speed, scalability, and capacity to handle varying levels of traffic. Support the implementation of technology initiatives by contributing to project planning and execution, ensuring...

  • Java Developer

    4 days ago

    Johannesburg, Gauteng, South Africa Hire Resolve Full time R900 000 - R1 200 000 per year

    We are looking for experienced Java Developers to join our growing team in Johannesburg. The ideal candidates will have 4–5 years of hands-on experience in Java development and a strong understanding of software design principles. You will be involved in developing, maintaining, and enhancing business applications in a collaborative and fast-paced...

  • Java Developer

    1 week ago

    Johannesburg, Gauteng, South Africa Doxim Full time R1 200 000 - R2 400 000 per year

    JAVA developerCompanyDoxim is a leading provider of Customer Engagement Software and Solutions for Regulated Organizations. This software helps financial institutions transform their client experience, communicate more effectively throughout the client lifecycle and improve cross sell and upsell activities that drive increased wallet share. The SaaS-enabled...

  • Intermediate Java Developer

    9 hours ago

    Johannesburg, Gauteng, South Africa FROSTBYTE Full time

    Job Overview:We are in search of an intermediate to Senior level Java developer with strong coding fundamentals in core Java to join our growing team. You will be a part of a talented team that is responsible for delivering on world class consumer device electronics. You will be involved in designing, developing and implementing Java-based UX Components...

  • Java Developer

    4 days ago

    Johannesburg, Gauteng, South Africa Boardroom Appointments Full time R500 000 - R1 500 000 per year

    12 Month ContractMinimum Requirements:Very proficient in Java and Java EE. Knowledge of other programming languages is advantageous.Experienced in System Design (advantageous)Development methodologies (advantageous)Proficient in Atlassian (i.e., JiRA) software suite (advantageous)Java 8 or Java 11 extensive experienceSpring framework...

  • Java Developer

    4 days ago

    Johannesburg, Gauteng, South Africa Boardroom Appointments Full time R900 000 - R1 200 000 per year

    Contract positionMinimum Requirements:Very proficient in Java and Java EE. Knowledge of other programming languages is advantageous.Experienced in System Design (advantageous)Development methodologies (advantageous)Proficient in Atlassian (i.e., JiRA) software suite (advantageous)Java 8 or Java 11 extensive experienceSpring framework...

  • Java Developer

    1 week ago

    Johannesburg, Gauteng, South Africa PayInc Full time R600 000 - R1 200 000 per year

    DescriptionPayInc is a purpose-driven payments provider building on over 50 years of trusted history in South Africa's payments ecosystem. Our mission is to connect people, businesses, and economies through secure, efficient and inclusive digital payments infrastructure and be a catalyst for financial inclusion and economic growth. From EFTs and cards to...