Principal Engineer (Full - Stack / Platform / Data)

Lesaka Technologies Inc.

Job Title: Principal Engineer (Full-Stack / Platform / Data)

Location: Cape Town, South Africa (Hybrid or On-site)

Open to relocation within South Africa for the right candidate

Role Overview

We are hiring a Principal Engineer to lead the evolution of our platform across infrastructure, data, backend, and frontend systems. This is a senior, hands-on role focused on solving complex technical challenges while shaping long-term architecture and engineering direction.

Key Responsibilities

  • Define and drive system architecture across frontend, backend, data, and infrastructure
  • Make high-impact technical decisions with long-term scalability in mind
  • Contribute hands-on across the stack when needed (backend, frontend, data, infrastructure)
  • Design and maintain cloud infrastructure and deployment systems
  • Architect data models and pipelines that support both product and analytics
  • Improve reliability, observability, and developer experience
  • Mentor engineers and raise the technical bar across teams
  • Partner with leadership on technical strategy and execution

Experience

  • 10+ years of hands-on software engineering experience
  • Proven experience designing, building, and scaling complex, production systems
  • Demonstrated experience working across backend, frontend, data, and infrastructure domains

Key Competencies

  • Strong backend engineering experience (APIs, distributed systems, service design)
  • Solid frontend engineering experience with modern frameworks (e.g., React) and performance optimization
  • Proven experience designing and operating data systems (data modeling, pipelines, storage)
  • Deep experience with cloud infrastructure, CI/CD systems, and observability tooling
  • Technical Ability
  • Strong technical judgment and ability to make high-quality tradeoffs
  • Track record of influencing technical direction and mentoring engineers
  • Clear and effective communication across technical and non-technical stakeholders

Nice to Have

  • Leadership
  • Strong technical judgment and ability to make high-quality tradeoffs
  • Track record of influencing technical direction and mentoring engineers
  • Clear and effective communication across technical and non-technical stakeholders
  • Experience in high-growth or scaling environments
  • Experience building internal platforms or developer tooling
  • Experience balancing product delivery with platform/infrastructure investment

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