Backend Developer (Java) at Tezza Business Solutions Limited

Tezza Business Solutions Limited is a leading Software Quality Assurance and Testing multinational with a regional office in Lagos, Nigeria. We are a Software Quality Assurance and Testing Services provider. Our primary goal is to be the "go to" Quality Assurance & Software Testing company in East and West Africa while developing offshore resources to fill test automation positions (and other hard to find software testing capabilities) in the North America and European markets.

We are recruiting to fill the position below:

Job Title: Backend Developer (Java)

Location: Lagos (Remote)
Employment Type: Contract

About the Role

• 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.

Application Closing Date
Not Specified.

Method of Application
Interested and qualified candidates should:
Click here to apply online