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Senior Engineer 3 (back end)

Ref: JO-2602-359455

  • Environment: Hybrid
  • Contract Type: Contract
  • Starts: 2026-03-01
  • Duration: 6 Months

Software Engineer: Back End III

1. Overview

Join us in becoming the best bank in the world! X is built around talented and committed teams dedicated to building a brand that earns the trust of our clients. We believe banking is about enabling people to control their financial lives through simplified, accessible, and affordable experiences.

2. About the Role

As a Level III Back End Software Engineer, you will play an integral part in a cross-functional team dedicated to the full software development lifecycle-from concept and development to deployment and operation.

You will be responsible for applying a holistic approach to building solutions that offer optimum performance, reliability, and scale. While working on the server-side of the application stack, you will design, develop, test, and maintain complex systems, considering scalability and future requirements.

Key Responsibilities

  • Engineering Leadership: Guide and support developers and stakeholders in scoping, progress, and resolution of engineering problems.
  • System Development: Develop and maintain robust, scalable applications using Java 17+ and Spring Boot.
  • API Management: Demonstrate expertise in working with RESTful APIs and GraphQL.
  • Architecture: Implement message-driven architectures using tools like Kafka or RabbitMQ for asynchronous communication.
  • Database Design: Manage database design and optimization using PostgreSQL or MySQL.
  • Infrastructure: Utilize Microservices Architecture involving Docker and Kubernetes.
  • Cloud Operations: Execute hands-on development within AWS, including EC2, S3, RDS, Lambda, API Gateway, IAM, SNS, and CloudWatch.
  • Security: Implement OAUTH2 and JWT authentication for secure API interactions.

3. Candidate Requirements

  • Education: Grade 12 National Certificate (Minimum).
  • Qualification: A relevant tertiary qualification in Information Technology is preferred.
  • Certification: AWS Certified.
  • Experience: 10+ years of proven experience in back-end software development, project delivery, and implementation.
  • Version Control: Strong experience with Git, including branching strategies and merge/pull requests.
  • CI/CD: A firm understanding of Continuous Integration and Continuous Deployment (CI/CD).

4. Core Skills

  • Communication: Strong verbal and written communication skills.
  • Collaboration: Ability to collaborate effectively in cross-functional teams.
  • Cognitive Skills: Exceptional critical thinking and problem-solving abilities.
  • Resilience: Equipped to handle high-impact and high-pressure scenarios.

5. Why Choose us?

We offer our best by living up to our CEO values: Client first, Energy, and Ownership. Our Employee Value Proposition provides cohesive teams, growth opportunities, and employee benefits to ensure every team member feels welcome, valued, and focused.

Salt is acting as an Employment Business in relation to this vacancy.

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Senior Engineer 3 (back end)

  • South Africa, Sandton
  • Cloud, Network and Infrastructure, Technology
  • Hybrid
  • Contract

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