Senior Java Back-End Engineer (Remote)

Network IT; Centurion; Remote; ZAR 400 000 - 500 000; Full time

Job summary

A leading provider of innovative digital banking solutions is seeking a Senior Back-End Software Engineer. You will design, optimize, and own backend services that support cutting-edge financial applications. With a remote-first approach, you will collaborate with a talented team, shaping technical strategy and mentoring others. Ideal candidates should have extensive experience in Java, Spring Boot, cloud technologies and API security. This role offers competitive remuneration in a collaborative environment.

Qualifications

• Minimum 5 years of backend engineering experience, preferably 7 years.
• Strong proficiency in Java, Spring Boot, and cloud-native development.
• Hands-on experience with Docker, Kubernetes, and AWS.

Responsibilities

• Architect, develop, and optimize scalable applications using Java and Spring Boot.
• Implement advanced query optimization for PostgreSQL and Cassandra.
• Build and secure RESTful APIs and GraphQL services.

Skills

Java

Spring Boot

RESTful APIs

Docker

Kubernetes

AWS

PostgreSQL

Cassandra

API security

Education

Bachelor's degree in Computer Science / Engineering

Job description

Reference : BIT004783-Rein-1

Our client a leading provider of innovative digital banking solutions is looking for a Senior Back-End Software Engineer to join their this role you will be a technical leader designing optimizing and owning mission-critical backend services that power cutting-edge financial applications. As part of a collaborative remote-first team you will help shape technical strategy mentor fellow engineers and deliver seamless banking experiences to users across the globe.

Duties & Responsibilities

Key Responsibilities

• Backend Development : Architect develop and optimize scalable applications using Java and Spring Boot.
• Database Operations : Implement advanced query optimization for PostgreSQL and Cassandra ensuring efficient and reliable data management.
• API Development : Build and secure RESTful APIs (OpenAPI) and GraphQL services implementing security best practices with OAuth2.0 JWT and API gateways.
• Microservices & Event-Driven Systems : Design resilient distributed services within a microservices architecture using Kafka or RabbitMQ.
• Cloud & Containers : Lead deployment strategies with Docker Kubernetes and AWS ensuring scalability and high availability.
• Drive CI / CD automation and release pipelines.
• Ensure code quality with SonarCloud and SonarLint.
• Apply static analysis automated testing and performance benchmarking.
• Security & Compliance : Implement secure authentication workflows and ensure adherence to OWASP security guidelines.
• System Design & Performance : Develop architecture diagrams caching strategies and load balancing solutions.
• Testing & QA : Define test strategies with JUnit Mockito and automated frameworks to ensure reliability and stability.

Requirements

• Minimum 5 years of backend engineering experience (preferably 7 years) in distributed systems cloud environments or microservices.
• Strong proficiency in Java Spring Boot and cloud-native development.
• Hands-on experience with Docker Kubernetes and AWS.
• Proven track record in system design API security and performance optimization.
• Bachelors degree in Computer Science / Engineering (or equivalent experience).
• Fluent in English with excellent communication skills.

Apply now!

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If you have not had any response in two weeks please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other suitable roles / positions.

For more information contact :

Reinie Du Preez

Senior Specialist Recruitment Consultant

E-mail :

Package & Remuneration

55000.00 - 66000.00 - Monthly

Required Experience :

Senior IC

Key Skills

REST,Eclipse,Junit,Spring,Struts,SOAP,Jpa,Hibernate,Maven,J2EE,Jdbc,Java

Employment Type : Full-Time

Experience : years

Vacancy : 1