Backend Developer - Java Job at Polaris Digitech Limited

Polaris Digitech Limited is a location intelligence firm that specializes in providing data, software and decision support services to fulfill its client’s strategies and management needs through the development and deployment of Geographic Information Systems (GIS).

We are recruiting to fill the position below:

Job Position: Backend Developer - Java

Job Location: Ikeja, Lagos
Employment Type: Full-time

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 of 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.

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.

Method of Application
Interested and qualified candidates should send their CV to: careers@polarisdigitech.net using the Job Position as the subject of the email.