Backend Developer (Node.js & Java) |Contract |Stellenbosch

IQbusiness South Africa; Wes-Kaap; On-site; ZAR 780,000 - 1,100,000; Full time

Job summary

IQbusiness South Africa is seeking an experienced Backend Developer to design and enhance scalable banking and payment platforms. You will work in a fintech environment, focusing on robust data engineering, ETL processes, and API-rich services.

Bring 5+ years of backend experience, strong Node.js and Java skills, and a deep understanding of SQL/NoSQL databases, RESTful APIs, GraphQL, and messaging with Kafka or RabbitMQ. CI/CD and DevOps practices will be integral to daily work.

Qualifications

• 5+ years of backend development experience
• Strong expertise in Node.js and Java
• Experience with data engineering, ETL processes, and database optimization
• Solid understanding of SQL and NoSQL databases (PostgreSQL, MongoDB)
• Experience building and consuming RESTful APIs and GraphQL
• Familiarity with Kafka, RabbitMQ, or similar messaging platforms
• Knowledge of CI/CD pipelines and DevOps practices

Responsibilities

• Develop and maintain backend services using Node.js and Java
• Design and implement robust data engineering and ETL solutions
• Build scalable, secure, and reliable systems aligned with banking standards
• Collaborate with cross-functional teams to integrate backend services and APIs
• Participate in architecture discussions, code reviews, and continuous improvement initiatives
• Troubleshoot and optimize application performance and scalability

Skills

Node.js

Java

Data engineering

ETL

SQL

NoSQL

RESTful APIs

GraphQL

Kafka

RabbitMQ

CI/CD

DevOps

Tools

PostgreSQL

MongoDB

Job description

We are looking for an experienced Backend Developer to help build and enhance scalable, high-performance banking and payment platforms. If you're passionate about backend engineering, data-driven solutions, and modern technology, this is an exciting opportunity to work within a collaborative, fast-paced fintech environment.

Requirements

• 5+ years of backend development experience
• Strong expertise in Node.js and Java
• Experience with data engineering, ETL processes, and database optimization
• Solid understanding of SQL and NoSQL databases (PostgreSQL, MongoDB)
• Experience building and consuming RESTful APIs and GraphQL
• Familiarity with Kafka, RabbitMQ, or similar messaging platforms
• Knowledge of CI/CD pipelines and DevOps practices

Key Responsibilities

• Develop and maintain backend services using Node.js and Java
• Design and implement robust data engineering and ETL solutions
• Build scalable, secure, and reliable systems aligned with banking standards
• Collaborate with cross-functional teams to integrate backend services and APIs
• Participate in architecture discussions, code reviews, and continuous improvement initiatives
• Troubleshoot and optimize application performance and scalability

Please Note: As all iqbusiness roles require honesty in the handling of or access to cash, finances, financial systems, or confidential information; our recruitment process requires that the following background checks be completed: credit, criminal, ID, and qualification verification.

iqbusiness is committed to sustainable growth and transformation, we embrace diversity and employ previously disadvantaged individuals