Backend Developer

2 days ago

Lagos, Lagos, Nigeria Tezza Business Solutions Ltd Full time

Backend Developer (Java)Tezza Business Solutions LtdEngineering & TechnologyLagos Full TimeIT & Telecoms ConfidentialMinimum Qualification :Experience Level : Senior levelExperience Length : 7 yearsJob Description/RequirementsJob Title: Backend Developer (Java)Location: RemoteEmployment Type: ContractAbout The RoleWe 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 ResponsibilitiesDesign, 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 QualificationsBachelor'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 QualificationsExperience 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 SkillsExcellent 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.

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