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Back-End Application Developer

  • Sector:


  • Salary:

    Competitive Daily Rate

  • Contact:

    Vishalee Bikoo

  • Job Reference:


  • Published:

    4 months ago

  • Expiry:


  • Client Details:


  • Consultant:

    Vishalee Bikoo

  • Skills tags:

    Java , PL/SQL , Postgre SQL

Duration – 6 months with auto-renew 

Working Hours - 40hours/week CEST Timezone +/- 3hours 

Employment Type - Partner Agreement (B2B) 

Castille Labs is searching for a talented Back-end Application Developer to join our Global teams for one of our client, a payment solution provider. 


  • Work in different areas of the SDLC 

  • Deal with BA, Project Managers and other internal departments to meet client requirements. 

  • Work together with other team members to put forward objectives and design functional requirements 

  • Take part in the whole application life cycle – focus on coding and debugging 

  • Maximise scalability and performance through optimisation of applications 

  • Proper documentation of solution for all stakeholders 

  • Build reusable code and libraries 

  • Build and do unit testing 


  • Relevant certification in Computing, Software Development or a related field 

  • Experience in Banking/ Online payment sector 

  • Strong knowledge and experience with PL/SQL 

  • Knowledge and experience using Java applications to read and write files / API calls 

  • Knowledge of SDLC processes 

  • Knowledge and experience with Databases – SQL, Relational Database (e.g. Oracle and Postgres) 

  • Strong time management and organisational skills 

  • Fluent written and spoken English 


  • Knowledge in Jenkins and Ruby 

What to expect when you apply: 

  • One to One Chat/Video call, with an HC member 

  • Support from a dedicated Human Capital member to be part of our Global Platform and support you along your career journey!