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Backend Developer (Java) at Tezza Business Solutions Ltd

Tezza Business Solutions LtdNigeria Software Development
Contract
Tezza”(te-zza) from the Italian word "Completezza” embodies our commitment to providing IT and Business Solutions that are comprehensive, through and complete. We specialize in providing personalized Software Quality Assurance and Testing Services within a streamlined, phased delivery channel. With a primary goal of putting technological solutions to work in practical ways that ensures a healthy bottom-line our solutions reflect a deep understanding of real-world business challenges. Working in conjunction with our clients we are able to create and implement result-oriented personalized solutions.

We are seeking an experienced Backend Developer (Java) to design, build, and maintain scalable, high-performance backend systems. The ideal candidate has strong expertise in Java-based microservices architecture, is comfortable with cloud-native applications, and can work collaboratively in an agile environment to deliver reliable and efficient software solutions.

Key Responsibilities

  • Design, develop, and maintain backend services and APIs using Java and related frameworks (Spring Boot, Hibernate, etc.).
  • Architect and implement scalable microservices that support business applications and integrations.
  • Optimize system performance, ensuring high availability, scalability, and security.
  • Collaborate with frontend developers, DevOps engineers, and product managers to deliver end-to-end solutions.
  • Implement data storage solutions (SQL and NoSQL databases) and optimize database queries.
  • Integrate external systems and third-party APIs securely and efficiently.
  • Participate in code reviews, ensure adherence to best practices, and maintain high code quality.
  • Troubleshoot production issues, perform root cause analysis, and implement robust fixes.
  • Contribute to CI/CD pipelines and automated testing frameworks.
  • Stay current with emerging technologies, frameworks, and industry trends.

Required Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • 7–10 years of professional backend development experience with Java.
  • Strong hands-on experience with Spring Framework (Spring Boot, Spring Security, Spring Cloud).
  • Proven experience building and deploying microservices architectures.
  • Proficiency with RESTful API design and development.
  • Experience with Relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases.
  • Solid understanding of software design patterns, data structures, and algorithms.
  • Experience with containerization and orchestration tools (Docker, Kubernetes).
  • Familiarity with CI/CD tools (Jenkins, GitLab CI, CircleCI) and version control (Git).
  • Strong debugging, performance tuning, and problem-solving skills.

Preferred Qualifications

  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Knowledge of message brokers (Kafka, RabbitMQ, or ActiveMQ).
  • Exposure to API gateways, authentication, and authorization protocols (OAuth2, JWT).
  • Experience in test-driven development (TDD) and automated testing frameworks (JUnit, Mockito).
  • Familiarity with DevOps principles and infrastructure-as-code tools (Terraform, Ansible).
  • Contribution to open-source projects or technical communities.

Soft Skills

  • Excellent communication and collaboration skills.
  • Strong analytical thinking and attention to detail.
  • Ability to mentor junior engineers and review peer code.
  • Self-driven, proactive, and adaptable to a fast-paced environment.

Method of Application

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