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🥝 Full-stack developer (Mid-Senior)

AiR | johannesburg, South-Africa | Posted June 01, 2026

Job Description

Role Overview

Help us revolutionize e-invoicing by building scalable, secure FinTech solutions that process global business transactions. You'll tackle complex technical challenges using cutting‑edge cloud technologies.

What We're Looking For

  • 5+ years in backend development with Node.js and TypeScript
  • Experience with BDD/TDD and testing frameworks (Jest, Mocha)
  • 3+ years integrating and transforming data from third‑party APIs
  • Proficient with SQL/NoSQL databases and AWS (Lambda, SQS, EventBridge)
  • Solid understanding of DevOps, CI/CD, and microservices architecture
  • Experience in regulated industries or FinTech is a plus

What You'll Do

  • Design and build robust integrations with diverse third‑party systems
  • Develop high-volume transaction processing microservices
  • Collaborate with stakeholders to translate business needs into technical solutions
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