Full-Stack Software Engineer (AI-FIRST) - Umhlanga at Greys Personnel – South Africa | Jobyssey

Minimum Requirements

5+ years' experience as a Software Engineer, ideally with automation, integrations or business systems experience.
Minimum 6 months' proven daily hands-on experience with Claude Code.
Must be able to demonstrate real projects built using Claude Code through a portfolio, repository or practical examples.
Strong Python development skills.
Working knowledge of JavaScript/TypeScript.
Strong understanding of REST APIs, OAuth, webhooks and JSON.
Full-stack development experience including:

Relational databases and SQL, preferably PostgreSQL
Back-end API development
Modern front-end development such as React/Next.js
Git and CI/CD
Production deployments

Strong Excel skills, with the ability to develop and validate reliable workbooks.
Strong software engineering fundamentals including testing, debugging, code review and maintainable coding practices.
Familiarity with the Claude API, including tool use, Batch API and prompt caching.
Ability to understand when AI is appropriate and when a conventional script, Power Automate flow or system configuration is the better solution.

Competencies

Strong problem-solving and analytical ability.
Able to communicate with non-technical stakeholders and translate business requirements into practical technical solutions.
Comfortable running meetings and producing clear written scopes.
Strong attention to detail, particularly when working with financial data and reconciliations.
Able to work independently and manage multiple projects simultaneously.
Good documentation and handover skills.
Comfortable taking ownership of systems from development through to ongoing support.

Advantages:

Microsoft Dynamics 365 Business Central
Oracle Opera Cloud PMS or Simphony POS
Zoho CRM / Analytics
Microsoft 365 and Graph API
Power Automate
Hospitality or finance systems
Accounting principles including journals, trial balances, reconciliations and VAT
Meta and Google Ads APIs
Supabase, Vercel or similar platforms
Networking or access-control systems

Key Responsibilities

Design and develop new systems, applications, automations and internal tools.
Work with Finance, Operations, Marketing and other business teams to identify processes that can be automated.
Translate business requirements into clear technical solutions, scopes and deliverables.
Develop back-end APIs, front-end applications, databases and system integrations.
Build automations, scripts and internal tools using Claude Code as the primary development environment.
Develop and maintain CLAUDE.md files, custom skills, slash commands, hooks and subagents.
Build and configure MCP servers and connectors to business systems and applications.
Integrate with APIs, accounting systems, POS, CRM, Microsoft 365, Google Workspace and other platforms.
Develop reporting, reconciliations and automated business processes.
Test, deploy, monitor and support systems in a live environment.
Troubleshoot system issues, integration failures and data discrepancies.
Maintain technical documentation, runbooks and change logs.
Assist users and teams in making effective use of Claude and AI development tools.
Manage API keys, permissions and data access responsibly.

Important

Hands-on Claude Code experience is essential. Candidates must be able to demonstrate practical projects or systems they have built using Claude Code.
A practical technical exercise will form part of the interview process.

Full-Stack Software Engineer (AI-FIRST) - Umhlanga

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