Careers

Python + JavaScript Engineer

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We are seeking a Senior Full-Stack Engineer to lead the development of a modern React-based Customer Portal integrated with ERPNext (Frappe framework).
This role requires strong frontend architecture skills, solid backend/API integration experience, and the ability to work within an AI-augmented development model.
You will collaborate closely with the client’s internal IT lead and help transform a fragile system into a scalable, maintainable production platform.



Technical Architecture Overview
Backend & Data Storage

• ERPNext (primary backend system)
• Built on Frappe Framework
• Python + JavaScript
• ERPNext remains the single source of truth for business data

Frontend Application

• Modern React application (built from scratch)
• Separate from Frappe UI
• Designed for clean UX and optimised workflows
• Customer Portal functionality

Integration Layer

• REST API integrations
• Webhooks
• Authentication via ERPNext credentials
• Real-time project status and profile synchronisation

Development Methodology

• AI-augmented engineering approach
• Enterprise-configured AI tools (no model training on client code)
• AI-assisted code generation
• Strong emphasis on architectural quality and maintainability
• Experience working in Agile environments with bi-weekly sprint deliveries and strict 30-day milestone checkpoints

Key Responsibilities
Frontend Development

• Architect and develop a modern React-based Customer Portal
• Implement scalable component architecture
• Design clean and intuitive user workflows
• Integrate authentication and session management via ERPNext
• Build real-time UI updates and status displays

Backend & Integration

• Design and implement a REST-based integration layer
• Consume ERPNext APIs and webhooks
• Ensure secure authentication and data access
• Optimise API performance and reliability
• Work closely with the ERPNext backend to ensure compatibility

System Architecture & Quality

• Define frontend architecture standards
• Ensure maintainability and modular structure
• Participate in architectural reviews with the client IT lead
• Enforce strict code quality standards
• Conduct and participate in comprehensive code reviews

AI-Augmented Development

• Use AI tools for scaffolding, refactoring, and boilerplate generation
• Validate AI-generated code for security and correctness
• Improve productivity without compromising quality
• Establish best practices for safe AI-assisted development

Required Skills & Experience
Frontend

• 5+ years of professional frontend development
• Strong expertise in React (hooks, state management, context, modular architecture)
• Experience building applications from scratch
• Advanced JavaScript
• Experience with modern frontend tooling (Vite, Webpack, etc.)
• Strong understanding of authentication flows (JWT, session-based auth)

Backend & Integration

• Experience integrating with REST APIs
• Solid understanding of backend architecture
• Experience with Python-based systems (preferred)
• Familiarity with ERPNext or similar ERP systems (nice to have)
• Understanding of webhooks and event-driven systems

Architecture & Engineering Practices

• Strong system design skills
• Experience working with legacy modernisation projects
• Code review experience and ability to mentor others
• Understanding of secure coding practices
• Experience working in distributed teams

AI-Augmented Development

• Hands-on experience with AI coding tools ( Cursor, ChatGPT, Claude)
• Ability to critically review AI-generated code
• Experience using AI for documentation and refactoring
• Clear understanding of enterprise privacy and secure AI usage

Preferred Qualifications

• Experience with ERPNext or Frappe framework
• Experience working in manufacturing or production intelligence systems
• Knowledge of role-based access control systems
• Experience building B2B portals

Soft Skills

• Strong architectural thinking
• Clear communication skills (technical and non-technical)
• Ability to work with a hands-on internal IT lead
• Ownership mindset and accountability
• Comfortable working in partially structured environments
• Detail-oriented and quality-driven

Employment type

Full-time

Location

South America