Senior Specialist - Design & Development

Role Overview

We are hiring a Senior Specialist - Payments Engineering to lead the design, development, and continuous enhancement of large‑scale centralised payment platforms.

This role focuses on building high‑performance, secure, and scalable payment systems, leveraging microservices architecture, ISO 20022 messaging, and Dev Sec Ops  practices.

You will play a key role in shaping payment workflows, system integrations, and real‑time message orchestration, while ensuring compliance with regulatory and banking standards.

• 1. Payment System Design & Development
  • Design, develop, and implement end‑to‑end payment systems aligned with ISO 20022 messaging standards.
  • Build and maintain microservices‑based payment architectures for high scalability and fault tolerance.
  • Analyse functional and technical requirements to deliver secure, high‑performance solutions.
  • Develop API‑first services ensuring interoperability across banking systems.
  • Orchestrate payment message flows, validation, transformation, and routing.
• 2. System Integration & Interoperability
  • Integrate payment platforms with internal banking systems and external financial networks.
  • Ensure data consistency, message integrity, and seamless transaction processing.
  • Enable interoperability across RTGS, Direct Debit, and clearing systems.
• 3. Enhancements & Continuous Improvement
  • Identify and implement enhancements driven by business and regulatory requirements.
  • Improve system performance, scalability, and operational efficiency.
  • Drive modernisation initiatives across legacy payment components.
• 4. Production Support & Incident Management
  • Provide L2/L3 support for critical payment systems including troubleshooting and RCA.
  • Handle production incidents, system defects, and data discrepancies.
  • Participate in incident triage, prioritisation, and resolution.
  • Maintain detailed logs, reports, and resolution documentation.
• 5. Dev Sec Ops  & Engineering Excellence
  • Contribute to CI/CD pipelines and automated deployment processes.
  • Ensure adherence to secure coding practices and Dev Sec Ops  principles.
  • Promote test‑driven development (TDD), automation, and code quality standards.
  • Work within Agile delivery frameworks (Scrum/Kanban).
• 6. Stakeholder Collaboration
  • Act as a bridge between business stakeholders, product teams, and engineering teams.
  • Translate business requirements into technical solutions.
  • Provide regular updates and ensure alignment with project objectives.
• 7. Documentation & Knowledge Sharing
  • Maintain technical documentation, system architecture, and process flows.
  • Create test cases and user manuals.
  • Mentor junior engineers and support team capability building.

• Minimum 5+ years of experience in backend development and system integration.
• Strong experience working on enterprise‑level or banking systems.
• Proven track record in system enhancements and production support.

• Strong expertise in:
  • Java (Spring Boot) (preferred)
  • Python / Node.js / Go
• Experience building RESTful APIs and distributed systems.

• Deep understanding of:
  • Microservices architecture
  • API‑first design
  • Distributed systems patterns (circuit breaker, service discovery)
• Experience with:
  • Docker & Kubernetes
  • Cloud platforms (AWS / Azure / GCP)

• Strong experience with:
  • Relational DBs:
    Oracle, Postgre
    
    SQL, MySQL
  • No
    
    SQL:
    Mongo
    
    DB, Redis

• CI/CD tools:
  Jenkins, Git Lab CI, Git Hub Actions.
• Version control:
  Bitbucket / Git.
• Agile tools: JIRA.

• Hands‑on experience with:
  • ISO 20022 messaging
  • Payment systems such as RTGS, Direct Debit, Clearing
• Understanding of:
  • Cross‑border payments and settlement mechanisms.
  • Payment lifecycle and transaction processing.

• Knowledge of:
  • API security (OAuth, JWT, rate limiting)
  • Cloud and infrastructure security.
  • Secure SDLC practices (SSDLC).

• Bachelor's or Master's degree in Computer Science or related field.
• Certifications in Java, Agile, or Cloud are a plus.

• Work on national‑level payment infrastructure.
• Exposure to high‑volume transaction systems.
• Opportunity to influence architecture decisions.
• Strong alignment with modern engineering practices.