Skip to content
mimi

Senior SDET L1

Network Contracting

South Africa · On-site Contract Senior Yesterday

About the role

As a Senior SDET L1, you will take ownership of both backend development and testing excellence across integrated products:

Backend Development

  • Develop backend systems and APIs using C#/.NET.
  • Design, optimise, and maintain database structures using PostgreSQL.
  • Contribute to system architecture, design reviews, and technical decision-making.
  • Write clean, testable, high-performance code across multiple integrated products.

Automation & Quality Engineering

  • Build, enhance, and maintain automated functional and non-functional tests.
  • Ensure test coverage across integrated services and backend components.
  • Review, design, and optimise test frameworks, tools, and pipelines.
  • Lead and participate in code reviews with a quality-first approach.
  • Drive quality gates, threat modelling considerations, and performance testing.

DevOps & CI/CD

  • Build, manage, and optimise CI/CD pipelines using YAML, Docker, and automation.
  • Troubleshoot complex pipeline issues and ensure automated, safe deployments.
  • Ensure strong monitoring, alerting, and compliance within pipelines.

Technical Leadership

  • Lead the implementation of best practices in software engineering and test automation.
  • Mentor developers and testers in writing high-quality, well-tested software.
  • Identify improvement areas and help reduce technical and testing debt.
  • Collaborate across product, engineering, and architecture teams to support strategic delivery.

Requirement

  • Bachelor’s Degree in Software Engineering, Computer Science, or related field.
  • 4–6 years experience in software development and/or SDET roles.
  • Strong Backend Development experience in:
    • C#/.NET
    • PostgreSQL
    • DevOps / CI-CD pipelines / Docker
  • Experience with automation, testing frameworks, and quality engineering.
  • Solid understanding of SDLC, integration points, design patterns, and architecture.
  • Ability to lead engineering quality practices and support the team technically.

Skills

C#CI/CDDevOpsDockerNETPostgreSQLYAML

Don't send a generic resume

Paste this job description into Mimi and get a resume tailored to exactly what the hiring team is looking for.

Get started free