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SCAND team was tasked to develop a new platform for finding job vacancies. It was to be based on the existing customer’s system. The client requested improvements in the search speed, implementation of filtering based on regions and industries, mobile device compatibility, and a modern UI/UX. A prerequisite was to synchronize the data between the old system and the new platform during the testing phase and then to put the latter into operation.


The architecture of the new platform was based on several services: data migration, data loading, search, job vacancy management.
Such an approach helped to shorten the development time through parallel work on different services. It also provided quick and easy scalability to individual parts of the application, allowing them to handle huge volumes of data.


The data migration to the new database was carried out in several stages.

Stage 1: First of all, archived and outdated job vacancies were moved to the new database, since they accounted for most of the data.

Stage 2: The next stage was the transfer of active and new job vacancies.

Stage 3: The last stage included stopping the service for the final synchronization of data and then switching it to a new platform and a new database.

Final synchronization touched only those jobs that were added or updated after the previous sync, so the downtime was minimized.

The implementation of the RESTful API allowed to unify the interaction with external client applications, including the new UI. It also opened up wide opportunities for creating third-party solutions for the partners of the platform. To provide a fault-tolerant data loading, a new MySQL database with the master-master replication was developed. Originally, data in the existing system was stored in databases with different structures. The new database allowed storing data for different regions in a uniform format.

Key Features

  • Search by keywords in job descriptions.
  • Faceted search by attributes of job vacancies (regions, branches, cities, etc.)
  • Creation of a RESTful API.
  • Databases integration.
  • Flexible search relevance management.
  • Caching of queries, filters, and documents.
  • Web-based interface for administration.
  • Processing of documents with complex formats such as Word or PDF.
  • Extensibility through plug-ins.


SCAND web development team has created a platform that meets UI/UX, architectural and speed requirements.

While preserving all the existing functionality, the new platform allows the customer to accelerate and improve search results significantly. As the platform uses a unified API, it also provides the ability to integrate third-party applications including those for mobiles.

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