Lead Java Developer - Bedfordview

Hire Resolve; Johannesburg; On-site; ZAR 700,000 - 900,000; Full time

Job summary

A leading tech company in Johannesburg is seeking a Lead Java Developer with extensive experience in Java and Spring Boot. The ideal candidate will design and maintain high-performance applications while mentoring junior developers. Responsibilities include leading architectural discussions, collaborating on technical roadmaps, and optimizing systems in cloud-native environments. Strong expertise in microservices, containerization, and DevOps practices is essential. This role offers an opportunity to guide a talented team in a dynamic environment.

Qualifications

• 6+ years of hands-on Java development experience delivering scalable, enterprise-grade applications.
• Expert-level proficiency in the Spring ecosystem including Spring Data, Spring Security, and Spring Cloud.
• Strong experience with containerization and orchestration using Docker and Kubernetes.

Responsibilities

• Design, develop, and maintain complex full-stack applications focused on performance and scalability.
• Lead architectural discussions and define technical roadmaps for Java-based systems.
• Mentor junior developers and review code for best practices.

Skills

Java Development

Spring Boot

Microservices

Containerization

Kubernetes

SQL

NoSQL

RESTful APIs

DevOps

Agile/Scrum

Education

Bachelor's degree in Computer Engineering or related field

Tools

Git

Maven

Jenkins

Docker

Kubernetes

PostgreSQL

MySQL

MongoDB

Prometheus

Grafana

Job description

Hire Resolve's client is looking for a Lead Java Developer with deep expertise in Java, Spring Boot, and scalable distributed systems. The ideal candidate has extensive experience designing, building, and maintaining robust, high-performance, enterprise-grade applications. This role goes beyond coding, it requires ownership of solution design, mentoring team members, and driving architectural improvements.

Responsibilities

• Design, develop, and maintain complex full‑stack applications with a focus on performance, scalability, and maintainability.
• Lead architectural discussions and define technical roadmaps for Java‑based backend systems and microservices.
• Mentor junior developers and review code to enforce best practices in design patterns, clean code, and testability.
• Collaborate with cross‑functional teams to align technical solutions with business objectives.
• Champion the use of Spring Boot and modern frameworks to accelerate development and standardize services.
• Own and improve the CI/CD pipeline, code quality checks, and automated testing strategies.
• Optimize existing systems and troubleshoot performance bottlenecks across large‑scale distributed environments.
• Contribute to the design and implementation of cloud‑native, containerized applications using Kubernetes and Docker.
• Ensure systems are secure, resilient, and compliant with enterprise‑grade SLAs.
• Monitor, analyze, and tune systems using observability tools (e.g., Prometheus, Grafana, ELK).
• Perform other duties as assigned.

Requirements

• Bachelor’s degree in Computer Engineering, Software Engineering, Computer Science, or a related field.
• 6+ years of hands‑on Java development experience, delivering scalable, enterprise‑grade applications.
• Expert‑level proficiency in Spring Boot and the Spring ecosystem, including Spring Data, Spring Security, and Spring Cloud.
• Proven experience designing and implementing microservices architectures and distributed systems.
• Strong experience with containerization and orchestration using Docker and Kubernetes, and deploying scalable solutions on both cloud platforms and on‑premises infrastructure.
• Deep knowledge of SQL and NoSQL databases, with proficiency in PostgreSQL, MySQL, and MongoDB, including schema design, indexing, query optimization, and performance tuning.
• Expertise in designing and developing RESTful APIs with secure authentication mechanisms.
• Solid command of DevOps and CI/CD practices, with hands‑on use of tools such as Git, Maven, Jenkins, Helm, SonarQube, and monitoring solutions like Prometheus and Grafana.
• Familiarity with infrastructure as code, container security, and SRE principles is a strong plus.
• Experience in performance profiling and testing using tools such as JProfiler, JMeter, and unit/integration test frameworks.
• Exposure to frontend frameworks like React or AngularJS is a plus for full‑stack collaboration.
• Strong grasp of Agile/Scrum methodologies and Test‑Driven Development (TDD).
• Demonstrated leadership and mentoring experience, with the ability to guide teams, enforce best practices, and influence technical direction.
• Excellent analytical, communication, and stakeholder management skills.
• Experience in the telecommunications (telco) domain including familiarity with network systems, billing platforms, service orchestration is a strong plus.
• Fluency in English; French is a plus.

How to Apply

Kindly forward your CV to Gaby Turner at [e-mail] or you may send your CV to [e-mail].