Datafin

Senior Back End PHP Developer (JHB)

IT – Software Development
Johannesburg – Gauteng

ENVIRONMENT:
A dynamic provider of tailored Digital Marketing solutions in Joburg seeks the coding expertise of a Senior Back End PHP Developer whose core focus will be development of all server-side logic, definition and maintenance of the central database, ensuring high performance and responsiveness to requests from the front-end. You will also be build & provide internal and external RESTful APIs, produce detailed project scopes while solving complex performance issues and architectural challenges. The ideal candidate will need 7+ years’ work experience in a similar role with 4+ years having built custom technology solutions for clients – not limited to loyalty systems, ecommerce custom websites, CRM systems. Your tech toolset should include PHP, Laravel, MySQL, Git, LESS, SASS.
 
DUTIES:
  • Integrate user-facing elements developed by Front-end Developers with server-side logic.
  • Conduct analysis of website and application requirements.
  • Development of all server-side logic that is reusable and libraries for future use.
  • Optimize the application for maximum speed and scalability and performance.
  • Implement security and data protection across platforms and server.
  • Design and implementation of data storage solutions.
  • Troubleshoot application and code issues.
  • Ensure high-quality code through the planning and execution of automated tests.
  • Build and provide internal and external RESTful APIs.
  • Produce detailed project scopes, and time estimations for internal and external projects and working closely with other departments to meet deadlines.
  • Solve complex performance problems and architectural challenges.
  • Lead, guide, motivate and train within the current Development team – this is a leadership role and you will be expected to lead the team and ensure that skill development is happening.
  • Internal reporting on potential issues in projects and prints and mitigating future risk with the Dev Tech PM.
  • Build, report and analyse data based on current systems builds and projects for clients (loyalty systems, USSD lines, WhatsApp lines, custom built databases).
  • Define standards and process within the custom Dev team.
  • Share your ideas to improve the systems, development practices, and Agile development process.
  • Follow industry best practices.
 
REQUIREMENTS:
  • 7+ Years as a PHP Backend Developer.
  • 4+ Years’ experience building custom technology solutions for clients – not limited to loyalty systems, ecommerce custom websites, CRM systems.
  • Proficient understanding of –
    • Front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
    • PHP, Laravel, MySQL, Git.
    • OWASP security principles.
    • Server-side CSS pre-processors, such as LESS and SASS.
    • “Session Management” in a distributed server environment.
    • Complex system builds and how to create the architecture for them.
    • Accessibility and security compliance.
    • User authentication and authorization between multiple systems, servers, and environments.
    • Integration of multiple data sources and databases into one system.
    • Fundamental design principles behind a scalable application.
    • Differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
  • Management of hosting environment, including database administration and scaling an application to support load changes.
  • Creating database schemas that represent and support business processes.
  • Data migration, transformation, and scripting.
  • Setup and administration of backups.
  • Outputting data in different formats.
  • Creating database schemas that represent and support business processes.
  • Implementing automated testing platforms and unit tests.
 
Advantageous –
  • Management experience of a Dev team.