Backend Developer - Java at Polaris Digitech Limited

Job Overview

Location
Lagos, Lagos
Job Type
Full Time
Date Posted
5 months ago

Additional Details

Job ID
136157
Job Views
77

Job Description

  • Application Deadline: Fri, 31 Oct 2025 00:00:00 GMT
  • Position: Backend Developer - Java


  • Job Type Full Time


  • Qualification BA/BSc/HND


  • Experience 2 - 3 years


  • Location Lagos



  • Job Field ICT / Computer 









Job Summary 



We are looking to employ an experienced Backend developer who will be responsible for working on applications at the backend collaborating with other team members to build scalable applications for various sectors. 



Responsibilities: -




  • Participate in the entire application lifecycle, focusing on coding and debugging 

  • Write clean code to develop functional web applications 

  • Troubleshoot and debug applications 

  • Perform UI tests to optimize performance 

  • Manage cutting-edge technologies to improve legacy applications 

  • Collaborate with Front-end developers to integrate user-facing elements with server-side logic

  • Gather and address technical and design requirements 

  • Provide training and support to internal teams

  •  Make use of and build reusable code and libraries for future use

  • Liaise with developers, designers and system administrators to identify new features 

  • Follow emerging technologies



Qualification & Experience




  •  BSc. / HND in Computer Science or any related discipline 

  •  Minimum of + 2 years’ work experience in a similar capacity



Core Technical Skills: -



Programming Languages




  • Proficiency in at least one backend language:  JavaScript


    • Java (Spring Boot)

    • API Development & Integration : - RESTful API design and development 

    • Experience with GraphQL is a plus 

    • API documentation  is required 

    • Database Management:  Strong in SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis)

    • Ability to design normalized schemas and optimize queries 

    • Authentication & Authorization : -  Implementing secure user authentication (JWT, OAuth2). Role-based access control (RBAC)

    • Version Control: - Proficiency with Git and workflows (e.g., GitFlow). Experience with platforms like GitHub, GitLab, Bitbucket





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