Senior E - Commerce Developer

Optimal Growth Technologies

Senior E-Commerce / App Developer (Contract)

Engagement Type: Adhoc / Project-Based Contract

Time Zone: SAST (South African Standard Time)

Location: Remote

Overview

We are seeking an experienced Senior E-Commerce / App Developer to join our network of project-based consultants. The successful candidate will be responsible for designing, developing, enhancing, and maintaining e-commerce platforms and mobile applications while ensuring optimal performance, scalability, and user experience.

This role is ideal for a hands-on developer who can work independently, engage with stakeholders, and deliver high-quality solutions across various digital commerce and mobile application projects.

Key Responsibilities

  • Design, develop, and maintain e-commerce platforms and mobile applications.
  • Build and integrate APIs, payment gateways, and third-party services.
  • Develop responsive web and mobile solutions with a focus on user experience.
  • Implement new features, enhancements, and platform optimisations.
  • Troubleshoot and resolve application, performance, and integration issues.
  • Collaborate with product owners, designers, and business stakeholders to translate requirements into technical solutions.
  • Conduct code reviews and ensure adherence to development best practices.
  • Optimise application performance, security, and scalability.
  • Participate in solution architecture discussions and technical planning.
  • Maintain technical documentation and deployment processes.

Required Experience

  • 5+ years of software development experience.
  • Proven experience developing e-commerce platforms and digital commerce solutions.
  • Experience building and supporting mobile applications (iOS and/or Android).
  • Strong understanding of API development and integrations.
  • Experience with cloud-based environments and modern development practices.
  • Strong knowledge of software architecture and design principles.
  • Experience working in Agile development environments.

Technical Skills

Experience with several of the following:

  • JavaScript / TypeScript
  • React, Next.js, Angular, or Vue.js
  • React Native, Flutter, Swift, or Kotlin
  • Node.js, .NET, Java, or PHP
  • RESTful APIs and GraphQL
  • Shopify, WooCommerce, Magento, or custom e-commerce platforms
  • SQL and NoSQL databases
  • Azure, AWS, or Google Cloud
  • Git, CI/CD pipelines, and DevOps practices
  • Payment gateway integrations
  • Security and performance optimisation

Key Competencies

  • Strong problem-solving ability
  • Excellent communication skills
  • Ability to work independently
  • Customer-focused mindset
  • Attention to detail
  • Results-driven approach
  • Adaptability and flexibility
  • Strong stakeholder engagement skills

Preferred Experience

  • Marketplace or online retail platforms
  • Mobile commerce (m-commerce) applications
  • Subscription-based products and payment systems
  • Enterprise integrations and automation
  • UX/UI collaboration and optimisation

We are looking for professionals who can quickly understand business requirements, provide technical guidance, and deliver quality solutions within agreed timelines.

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