Developer - Java (API) (Senior)

Parvana; Johannesburg; On-site; ZAR 600,000 - 1,000,000; Full time

Job summary

A leading software provider is seeking a highly skilled Senior Java Developer with strong API development experience to join their Johannesburg team. This role offers flexibility between a 6 or 12 month contract with opportunities for permanent placement. Candidates should possess over 10 years of Java experience, focused on developing high-quality, scalable APIs. You will collaborate with cross-functional teams and have a significant impact on the software solutions delivered to customers.

Qualifications

• 10+ years of experience in Java software development with a focus on API development.
• Strong understanding of RESTful API design principles and best practices.
• Experience with containerization technologies such as Docker and Kubernetes.

Responsibilities

• Design and develop RESTful APIs using Java technologies.
• Implement unit tests, integration tests, and functional tests for APIs.
• Monitor and optimise API performance and reliability.

Skills

RESTful API design principles

Java

Problem-solving

Collaboration

Education

Bachelor's degree in Computer Science, Software Engineering or a related field

Tools

Spring Framework

Docker

Kubernetes

SQL

NoSQL

OpenAPI

Job description

Our client is the leading provider of complex software - they have an impressive global and local footprint and cover all the interesting domains including payments and telco. This client is very R&D focused, they are great believers in continuous improvement, they are fast adapters to new tech and constantly changing business needs. You definitely won't be bored and you'll have the opportunity to work on multiple domain and project types. This environment is ideal for critical thinkers who like to trial new tech and to make recommendations for improvement. This client has a clearly stated aspiration to not only remain the leaders in their industry but to continuously widen the gap between themselves and their competitors.

Summary :

Our client is looking for a highly skilled Java Developer with a focus on API development to join their team. The ideal candidate should have extensive experience in designing, developing, and implementing RESTful APIs using Java technologies. The successful candidate will be responsible for developing high-quality, scalable, and reliable APIs that meet the needs of our customers. You can choose if you’d prefer a 6 or 12 month contract, after which the possibility of going perm is available.

Role Responsibilities :

• Design, develop, and implement RESTful APIs using Java technologies.
• Develop API specifications.
• Collaborate with cross-functional teams including product management, UX / UI, and back-end engineering to design and develop APIs that meet business needs.
• Write high-quality, efficient, and maintainable code that meets software development standards and best practices.
• Implement unit tests, integration tests, and functional tests for APIs.
• Conduct code reviews and provide feedback to other developers to ensure code quality and best practices are met.
• Troubleshoot and debug API-related issues in production.
• Monitor and optimise API performance, scalability, and reliability.
• Stay up-to-date with the latest trends and best practices in API development.

Relevant Qualifications / Experience :

• Bachelor's degree in Computer Science, Software Engineering or a related field.
• 10+ years of experience in Java software development, with a focus on API development.
• Strong understanding of RESTful API design principles and best practices.
• Experience with API specification languages such as OpenAPI (Swagger) or RAML.
• Solid understanding of Object-Oriented Programming (OOP) concepts and design patterns.
• Strong experience with Spring Framework, Spring Boot, and Spring Security.
• Experience with database technologies such as SQL and NoSQL.
• Experience with containerization technologies such as Docker and Kubernetes.
• Experience with Angular / React beneficial.
• Strong problem-solving skills and ability to work independently.
• Excellent communication and collaboration skills.

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Senior Java Developer • Johannesburg, Gauteng, South Africa