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Backend Software Engineer at Cardinal Stone

Cardinal StoneLagos, Nigeria Software Development
Full Time
CardinalStone is a full service investment banking firm operating out of Lagos Nigeria. The firm began operations in June 2008 and is currently registered by the Nigerian Securities & Exchange Commission to operate as an Issuing House, Fund Manager and Broker/Dealer. CardinalStone Securities Limited is the licensed Stockbroking subsidiary of CardinalStone Partners The Firm's activities are carried out across five business units - Asset Management, Investment Banking, Principal Investments, Securities Trading and the Business Support Group.

Job Summary

  • CardinalStone is looking for a PHP Backend Developer responsible for managing back-end services and the interchange of data between the server and the frontend.
  • Your primary focus will be the development of all server-side logic, definition, and maintenance of databases, optimization of legacy code base and ensuring high performance and responsiveness to requests from the front-end.
  • You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Job Details


  • Integrate software components and third-party programs and other user-facing elements developed by front-end developers.
  • Write codes that is readable, maintainable, reusable, and sufficiently tested, and documented to meet the needs of the business.
  • Build future-proof reusable core code libraries to drive further efficiencies.
  • Design and build database schemas with integrity and scalability with data access layers that are optimized for performance and security.
  • Design, develop and manage robust APIs to support mobile and desktop clients.
  • Understand technical and functional design requirements.
  •  Optimization of web applications for performance and scalability.
  • Solve complex performance problems and architectural challenges


  • Bachelor's or Master's degree in  Computer Science, or a related field with a minimum of second class upper degree.
  •  Minimum of 3 years of professional experience developing solutions with the required tools and skills
  • Strong development background in PHP web frameworks such as Slim, Laravel etc.
  • Familiarity with SQL/NoSQL databases and their declarative query languages.
  •  Understanding the fully synchronous behavior of PHP.
  • Knowledge of object-oriented PHP programming.
  •  User authentication and authorization between multiple systems, servers, and environments
  •  Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
  • Understanding of MVC design patterns
  • Integration of multiple data sources and databases into one system
  • Past experience of building a APIs and micro services using REST and SOAP architecture.
  • Familiarity with the limitations of PHP as a platform and its workarounds
  • Knowledge of node.js and its frameworks is an added advantage
  • Proficient understanding of code versioning tools, such as Git.

Method of Application

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