Africa Investors Link Limited

Senior Java Developer

Responsibilities

• Design, build, and maintain low-latency, high-availability applications using Java and Spring Boot.
• Develop and enhance payment gateway systems, transaction ledgers, and financial reconciliation services.
• Architect scalable distributed systems capable of handling high transaction volumes.
• Write clean, testable, maintainable, and well-documented code.
• Ensure all systems comply with strict financial security and industry standards.
• Conduct peer code reviews and contribute to engineering standards and system architecture discussions.
• Troubleshoot production issues and optimize system performance, reliability, and observability.
• Collaborate with product, operations, and leadership teams to define and implement technical solutions.
• Mentor junior and mid-level engineers on best practices and system design.

Qualifications

• Minimum 5+ years of hands-on software development experience using Java.
• Strong experience with Spring Boot, Spring Security, Spring Data, and RESTful API design.
• Proven experience in designing distributed systems and microservice architectures.
• Background in Fintech, Banking, Payments, or other high-availability transactional systems.
• Strong knowledge of PostgreSQL, including query optimization and database design.
• Experience with asynchronous processing and event-driven architectures.
• Strong understanding of software engineering best practices, security, testing, and system reliability.
• Experience with messaging systems such as RabbitMQ, Kafka, or similar technologies.
• Familiarity with Golang is an added advantage.
• Experience with Docker, Kubernetes, AWS, or cloud-native infrastructure.
• Knowledge of observability and monitoring tools.
• Exposure to payment systems, ledgers, reconciliation, or financial reporting systems.
• Experience integrating telecom, mobile money, or banking systems.
• Understanding of CI/CD pipelines and DevOps practices.
• Interest in AI tools, automation workflows, or LLM-based systems will be an added advantage.

• Design, build, and maintain low-latency, high-availability applications using Java and Spring Boot.
• Develop and enhance payment gateway systems, transaction ledgers, and financial reconciliation services.
• Architect scalable distributed systems capable of handling high transaction volumes.
• Write clean, testable, maintainable, and well-documented code.
• Ensure all systems comply with strict financial security and industry standards.
• Conduct peer code reviews and contribute to engineering standards and system architecture discussions.
• Troubleshoot production issues and optimize system performance, reliability, and observability.
• Collaborate with product, operations, and leadership teams to define and implement technical solutions.
• Mentor junior and mid-level engineers on best practices and system design.

• Java
• Spring Boot
• Spring Security
• Spring Data
• RESTful API design
• Distributed systems design
• Microservice architectures
• PostgreSQL
• Asynchronous processing
• Event-driven architectures
• Messaging systems (RabbitMQ, Kafka)
• Golang (familiarity)
• Docker
• Kubernetes
• AWS
• Cloud-native infrastructure
• Observability and monitoring tools
• Payment systems
• Ledgers
• Reconciliation
• Financial reporting systems
• Telecom integration
• Mobile money integration
• Banking systems integration
• CI/CD pipelines
• DevOps practices
• AI tools (interest)
• Automation workflows (interest)
• LLM-based systems (interest)

• Minimum 5+ years of hands-on software development experience using Java.
• Strong experience with Spring Boot, Spring Security, Spring Data, and RESTful API design.
• Proven experience in designing distributed systems and microservice architectures.
• Background in Fintech, Banking, Payments, or other high-availability transactional systems.
• Strong knowledge of PostgreSQL, including query optimization and database design.
• Experience with asynchronous processing and event-driven architectures.
• Strong understanding of software engineering best practices, security, testing, and system reliability.
• Experience with messaging systems such as RabbitMQ, Kafka, or similar technologies.
• Familiarity with Golang is an added advantage.
• Experience with Docker, Kubernetes, AWS, or cloud-native infrastructure.
• Knowledge of observability and monitoring tools.
• Exposure to payment systems, ledgers, reconciliation, or financial reporting systems.
• Experience integrating telecom, mobile money, or banking systems.
• Understanding of CI/CD pipelines and DevOps practices.
• Interest in AI tools, automation workflows, or LLM-based systems will be an added advantage.