Software Engineer: Back-End III

Capitec; Sandton; On-site; ZAR 600,000 - 900,000; Full time

Job summary

A leading financial services provider in South Africa is seeking a Back-End Software Engineer III to design and develop scalable backend systems. The successful candidate will leverage extensive experience in .NET (C#) and Python, work within cross-functional teams, and play a key role in mentoring junior engineers. Ideal candidates will have a strong background in AWS, microservices, and CI/CD practices, contributing to best practices across the software development lifecycle.

Qualifications

• 6+ years of proven experience in back‑end software development using .NET (C#) and/or Python.
• Hands-on experience designing microservices and event-driven architectures.
• Proven track record in architecting and implementing cloud solutions on AWS.

Responsibilities

• Design and build scalable, secure, and high-performing backend systems.
• Mentor junior engineers and contribute to engineering standards.
• Collaborate with cross-functional teams to deliver end-to-end solutions.

Skills

Analytical Skills

Attention to Detail

Communications Skills

Interpersonal & Relationship management Skills

Education

Grade 12 National Certificate / Vocational

A relevant tertiary qualification in Information Technology

Tools

.NET (C#)

Python

Terraform

AWS

GitHub Actions

Jenkins

Docker

Kubernetes

PostgreSQL

SQL Server

MySQL

Job description

The Back-End Software Engineer III plays a critical role in designing and building scalable, secure, and high-performing backend systems that power our enterprise applications. You will work within a cross-functional team to deliver end-to-end solutions, from architecture and development to deployment and monitoring. At this level, you will also mentor junior engineers, contribute to engineering standards, and ensure best practices across the software development lifecycle.

Requirements

• Education (Minimum) Grade 12 National Certificate / Vocational
• Education (Ideal or Preferred) A relevant tertiary qualification in Information Technology

Knowledge and Experience

• 6+ years of proven experience in back‑end software development using.NET (C#) and/or Python for enterprise‑grade applications.
• Hands‑on experience designing, developing, and maintaining microservices and event‑driven architectures in production environments.
• Proven track record in architecting and implementing cloud solutions on AWS, including services such as EKS, Lambda, RDS, MSK, S3, and ElastiCache.
• Experience in automating infrastructure provisioning and management using Terraform and GitOps workflows (ArgoCD, GitHub Actions, Jenkins).
• Practical experience implementing CI/CD pipelines for build, test, and deployment automation.
• Exposure to observability practices (metrics, tracing, logging) and maintaining system health using monitoring tools.
• Experience collaborating with cross‑functional teams (DevOps, QA, Product, Architecture) to deliver end‑to‑end solutions.
• Previous involvement in mentoring junior engineers, conducting code reviews, and contributing to engineering standards.

Knowledge

• Strong programming skills in C# (.NET 7/8/9) and Python (FastAPI).
• Deep understanding of AWS cloud services (IAM, EKS, RDS, MSK/Kafka, Lambda, ElastiCache).
• Expertise in Infrastructure as Code using Terraform (modules, state management, environment‑specific provisioning).
• Solid understanding of microservices architecture, REST/gRPC APIs, and event‑driven design.
• Proficiency with databases (PostgreSQL, SQL Server, MySQL).
• Knowledge of CI/CD tools (GitHub Actions, GitLab CI, Jenkins).
• Strong understanding of containerization (Docker, Kubernetes).
• Familiarity with monitoring and observability tools (Instana, Prometheus, Grafana, Open Telemetry).

Skills

• Analytical Skills
• Attention to Detail
• Communications Skills
• Interpersonal & Relationship management Skills