Java Developer

Location: Hybrid - Cape Town / Johannesburg Employment Type: Full-Time Department: Software Engineering At cloudandthings.io, you will work with some of the best engineers in South Africa. Build real systems, solve complex problems, and grow fast in a builder culture that values autonomy, excellence, and impact. Backed by our engineering knowledge engine, you’ll work on meaningful data, cloud, and software challenges across top enterprises, with full support and endless opportunities to level up. We aim to build one of the strongest Engineering capabilities within Africa, and our Java Developers are key to helping us achieve this. WHO WE ARE The Java Developer will work closely with our clients to design, develop, and maintain scalable, secure, and cost-effective backend services and integrations using Java. The ideal candidate has strong engineering fundamentals, deep experience in the Java ecosystem, and excellent communication and problem-solving skills. Key Responsibilities Our teams don’t simply deliver technology; they immerse themselves in the client’s world, understanding the real technical challenges, and then building solutions that make a measurable difference. Collaborate with clients to understand requirements, assess current systems, and define modernization strategies. Design, develop, and maintain high-performance Java microservices and APIs (Spring Boot/Jakarta EE) with clean, testable code. Own the full SDLC: requirements, design, implementation, code reviews, testing, and release. Implement security best practices (authentication/authorization, OWASP Top 10, secrets management). Establish observability with structured logging, metrics, and tracing (e.g., OpenTelemetry). Build and maintain CI/CD pipelines (GitHub Actions, Jenkins) with automated tests and quality gates. Work with relational and NoSQL data stores (PostgreSQL/MySQL, Redis, MongoDB) and messaging (Kafka/RabbitMQ). Document solutions clearly and mentor team members where applicable. Stay current with Java ecosystem trends and drive continuous improvement. Requirements Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience). 5+ years of professional software engineering with Java (Java 11+). Strong experience with Spring Boot, Spring Security, JPA/Hibernate, and RESTful API design (OpenAPI/Swagger). Solid testing skills (JUnit, Mockito; integration testing, Testcontainers a plus). Proficiency with Git and build tooling (Maven/Gradle). Strong understanding of software design principles (SOLID, clean architecture), refactoring, and code quality. Experience working in Agile/Scrum teams. Excellent communication, problem-solving, and stakeholder engagement skills. Advantageous Skills and Experience Concurrency, multithreading, and asynchronous/reactive programming (Executors, CompletableFuture, virtual threads/Project Loom, Reactor/RxJava). JVM performance tuning and profiling (GC tuning, Flight Recorder, async profilers). Event-driven architectures and streaming (Kafka), and workflow orchestration. Experience with containerization and orchestration (Docker, Kubernetes). Static analysis and code quality tools (SonarQube, SpotBugs), SAST/DAST integration in pipelines. Knowledge of Domain-Driven Design and hexagonal/clean architecture patterns. Experience developing, deploying, and operating applications on AWS, including services such as EC2, ECS/Fargate, Lambda, S3, RDS, and CloudWatch Familiarity with AWS networking, IAM, and security best practices. Experience with Infrastructure as Code tools (e.g., Terraform or AWS CDK) and CI/CD pipelines (e.g., AWS CodeBuild, GitHub Actions, Jenkins). Knowledge of containerization and orchestration on AWS, including Docker and EKS. What We Offer A culture of engineering and an environment where ideas are heard and builders can build. Competitive salary, bonus, and incentive structure. A flexible and supportive work environment that values diversity, work-life balance, and personal growth. Opportunities for career advancement and ongoing professional development. The chance to work on cutting-edge products and technologies that make a real impact on people's lives. Mentoring and knowledge-sharing opportunities that foster personal and professional growth, with access to experienced leaders and a supportive peer network. Application Process Follow us on LinkedIn Apply here If you have not heard back from us within 30 days, please consider your application unsuccessful. However, we encourage you to keep an eye on upcoming roles that may be a better fit for your skills and experience. #J-18808-Ljbffr