Full Stack Developer (Java Spring Boot) Job at the Concept Group

The Concept Group is a holding company for companies established in 1992. Subsidiaries under the Group include: Rosabon Financial Services - Nigeria’s Leading Financial Intermediary and Equipment Leasing Company, Concept Nova - Bespoke Enterprise IT Solutions Company,Percy Aitkins - Bureau De Change.

We are recruiting to fill the position below:

Job Position: Full Stack Developer (Java Spring Boot)

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

Job Summary


  • We are seeking a highly skilled Full Stack Developer with strong proficiency in Java Spring Boot to design, develop, and maintain scalable, secure, and high-performing web applications.
  • The ideal candidate will work across the full technology stack, collaborating closely with cross-functional teams to deliver reliable and innovative solutions.

Key Responsibilities

  • Design, develop, and maintain backend applications using Java, Spring Boot, SpringMVC, and Spring Security
  • Develop and integrate RESTful APIs and third-party services
  • Build responsive and intuitive frontend interfaces using modern JavaScript frameworks (e.g., React, Angular, or Vue.js)
  • Design, optimize, and manage databases (e.g., PostgreSQL, MySQL, Oracle, MongoDB)
  • Implement application security, authentication, authorization, and data protection best practices
  • Write clean, maintainable, and well-documented code following industry standards
  • Conduct unit testing, integration testing, and support UAT processes
  • Troubleshoot, debug, and optimize system performance and reliability
  • Collaborate with DevOps teams on CI/CD pipelines, deployments, and cloud infrastructure
  • Participate in code reviews and contribute to continuous improvement initiatives

Qualifications

  • Bachelor’s Degree in Computer Science, Engineering, or a related field (or equivalent experience)
  • Strong hands-on experience withJavaandSpring Boot
  • Solid understanding of theSpring ecosystem(Spring Data JPA, Hibernate, Spring Security)
  • Experience designing and consumingRESTful APIs
  • Proficiency in frontend technologies:HTML, CSS, JavaScript, and at least one modern framework (React/Angular/Vue)
  • Strong knowledge ofSQL, database design, and data modeling
  • Experience using version control systems such asGit
  • Familiarity withmicroservices architecture
  • Understanding of Agile/Scrum development methodologies

Preferred / Nice-to-Have Skills:

  • Experience withDockerand containerization
  • Exposure to cloud platforms (AWS, Azure, or GCP)
  • Knowledge of messaging systems such asKafkaorRabbitMQ
  • Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI)
  • Familiarity withSwagger/OpenAPIfor API documentation
  • Prior experience in fintech, banking, or enterprise-scale systems.

What We Offer

  • Competitive compensation and benefits
  • Opportunity to work on impactful and scalable systems
  • Collaborative, innovative, and growth-focused work environment
  • Continuous learning and career development opportunities.

Method of Application
Interested and qualified candidates should send in their CV to: careers@conceptgroup-ng.com using the Job Position as the subject of the email.