Java Backend Engineer - Talent Pipeline Requisition at Flutterwave

We are building a pipeline of experienced Java Backend Engineers for future opportunities within Flutterwave. As a Java Backend Engineer, you will work on developing, scaling, and maintaining high-performance backend services that power our cutting-edge payment systems. While this is not an immediate hire, we are actively seeking talented individuals to engage with for future roles.

Key Responsibilities:

• Research and implement best practices technology frameworks/capability models that will control costs, provide higher quality, and/or increase reliability
• Research and stay abreast of the latest technology infrastructure and processes in the payment industry
• Design, develop and deliver code that can support new product features/enhancements in an agile environment
• Develop customer-facing applications using RESTful APIs
• Create database schemas that represent and support new products/ enhancements
• Maintain quality and ensure optimum performance of developed applications.
• Collaborate in design and development with the rest of the team.
• Maintain code integrity, organization, versioning, and apply object-oriented design principles
• Carry out unit tests of developed applications as well as set up automated testing of applications to ensure correctness, robustness, and scalability
• Maintain code and application security at all times. Ensure data protection.
• Develop applications in back-end programming languages like Java, PHP as well as web technologies such as HTML, CSS, JavaScript
• Ensure personal information of customers, employees, and other individuals the company conducts business with is processed and protected in line with applicable data privacy policies, privacy laws, and global best practices.

Qualifications:

• 7+ years of experience as a Java Backend Engineer.
• Core Java
• Java SE & Java EE: In-depth understanding of core Java concepts for building enterprise-level applications

Java Frameworks and Libraries

• Spring Framework: Hands-on experience with Spring Boot, Spring MVC, Spring Data, Spring Security, and Spring Cloud.
• Hibernate & JPA: Proficient in ORM for database access and persistence management
• Microservices: Experienced in building microservices using frameworks like Spring Boot, Spring Cloud, and other modern microservice architectures.
• Web Services: Experienced in building RESTful web services.

Software Architecture and Design

• Design Patterns: Good knowledge of design patterns and their use in building Java applications.
• Architecture: Experienced in designing enterprise architecture patterns
• Event-Driven Architecture: Knowledge of event-based systems using Kafka, SQS, SNS, or similar messaging frameworks.
• Cloud-Native Design: Experience with cloud implementation for platforms like AWS and Azure.

Database Skills

• Relational Databases: Strong experience with SQL and NoSQL databases

Security

• Application Security: Understanding of security concepts and vulnerability handling

Distributed Systems and Scalability

• Concurrency & Multithreading: Experienced in writing highly efficient and concurrent applications.
• APIs and Integration: Experienced in API design, inter-platform communication, and integration of third-party systems.

Application Testing

• Unit Testing: Expertise with Java testing frameworks like JUnit, TestNG, and Mockito for writing and running unit test.

Nice to Have:

Agile Methodologies

• Scrum/Kanban: Proficiency in Agile methodologies like Scrum and Kanban as well as collaboration tools like Jira, Confluence

Version Control

• Git: Expertise in Git, including branching strategies, pull requests, code review workflows, and resolving merge conflicts.
• Version Control Workflows: Knowledge of different Git workflows and best practices for managing code.