Senior Java / Kotlin & PHP-Laravel Developer (Payments & ISO 20022) at a Reputable FinTech / Finance Company

A reputable FinTech / Finance company is recruiting suitably qualified candidates to fill the position below:

Job Title: Senior Java / Kotlin & PHP-Laravel Developer (Payments & ISO 20022)

Location: Port Harcourt, Rivers
Type: Permanent (Onsite)
Main Industry: FinTech/Finance

Job Summary 

• We are seeking an experienced and highly skilled Senior Java/Kotlin, PHP-Laravel Developer to join our growing fintech technology team.
• The successful candidate will be responsible for designing, developing, integrating, and supporting mission-critical payment applications and financial technology solutions.
• The ideal candidate must possess at least five (5) years of hands-on software development experience with strong proficiency in Java, Kotlin, PHP, Laravel, API development, and microservices architecture.
• Additionally, the candidate must have practical knowledge of ISO 20022 payment messaging standards and experience working within banking, payment switching, digital wallet, POS acquiring, or agency banking environments.
• This role requires a professional capable of developing scalable, secure, and highly available financial applications that process large transaction volumes while ensuring compliance with industry standards and regulatory requirements.

Key Responsibilities
Software Development:

• Design, develop, test, deploy, and maintain enterprise-grade fintech applications using Java, Kotlin, PHP, and the Laravel framework.
• Build and maintain RESTful APIs and middleware services for internal and external integrations.
• Develop highly scalable backend systems supporting payment processing, wallet services, bill payments, agency banking, and merchant acquiring.
• Participate in system architecture, technical design reviews, and technology selection processes.
• Write clean, maintainable, and efficient code following industry best practices.

ISO 20022 & Payment Systems Development:

• Design and implement payment workflows utilizing ISO 20022 messaging standards.
• Develop and maintain integrations supporting:
  • Interbank Transfers
  • Real-Time Payments
  • Settlement Systems
  • Digital Wallet Platforms
  • POS Acquiring Systems
  • Agency Banking Platforms
  • Mobile Money Services
  • Merchant Payment Solutions
• Work extensively with ISO 20022 message families including:
  • pacs
  • pain
  • camt
  • auth
  • acmt
• Implement message validation, transformation, routing, reconciliation, and exception handling processes.

Fintech Platform Integration:

• Integrate with banking systems, payment switches, card processors, and third-party service providers.
• Develop secure APIs for fintech ecosystem integrations.
• Build transaction monitoring and reconciliation solutions.
• Support integrations with:
  • Core Banking Systems
  • Payment Gateways
  • Mobile Money Operators
  • NIBSS Services
  • Open Banking APIs.

Application Security & Compliance:

• Implement secure coding standards and software security best practices.
• Ensure compliance with:
  • PCI-DSS
  • ISO 27001
  • NDPR/Data Privacy Requirements
  • Central Bank Regulations
  • Payment Industry Standards
• Participate in vulnerability remediation, penetration testing support, and security reviews.

Database & Performance Optimization:

• Design and optimize relational database structures.
• Write efficient SQL queries, stored procedures, and database scripts.
• Optimize application performance, scalability, and transaction throughput.
• Implement caching and performance tuning strategies.

DevOps & Infrastructure Collaboration:

• Work closely with DevOps teams to support CI/CD processes.
• Participate in containerized deployments using Docker and Kubernetes.
• Support production troubleshooting, monitoring, and incident resolution.
• Contribute to system reliability and disaster recovery initiatives.

Team Collaboration & Documentation:

• Collaborate with Product Managers, Business Analysts, QA Engineers, and Infrastructure Teams.
• Mentor junior developers and conduct code reviews.
• Produce technical documentation, API specifications, and system architecture diagrams.
• Participate in Agile/Scrum ceremonies and sprint planning activities.

Required Qualifications
Education:

• Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or a related discipline.

Experience:

• Minimum of 5 years software development experience.
• Minimum of 3 years experience in fintech, banking, payment processing, or financial services.
• Proven experience implementing ISO 20022 messaging standards.
• Experience developing high-volume transaction processing systems.

Payment & Fintech Knowledge:
The ideal candidate should possess working knowledge of:

• ISO 20022 Messaging Standards
• Payment Switching Systems
• POS Transaction Processing
• Agency Banking Platforms
• Merchant Acquiring Systems
• Digital Wallet Platforms
• Settlement & Reconciliation Processes
• Card Payment Systems
• Transaction Monitoring
• Open Banking Frameworks
• NIBSS Payment Infrastructure
• Fraud Detection & Risk Management.

Preferred Qualifications:

• ISO 20022 certification or demonstrable implementation experience.
• Experience integrating with NIBSS services.
• Experience with payment switching platforms.
• Knowledge of EMV transaction processing.
• Experience with event-driven architectures.
• Experience building highly available microservices environments.
• Cloud certifications (AWS, Azure, GCP).
• Java or Laravel professional certifications.

Key Competencies:

• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder engagement skills.
• Ability to work under pressure in a high-transaction fintech environment.
• Strong attention to detail.
• Leadership and mentoring capability.
• Commitment to quality and continuous improvement.

Salary
Competitive.

Application Closing Date
Not Specified.

How to Apply
Interested and qualified candidates should send their CV to: recruitment.hrdp@gmail.com using "Senior Java/Kotlin & PHP-Laravel Developer" as the subject of the mail.