Job Overview

Position: Platform Engineer

Organization: CRDB Bank

Reporting Line: Manager Integration Platforms

Location: Tanzania Head Office

Department: Department of ICT

Number of Openings: 1

Employment Terms: Permanent

Application Deadline: 1 June 2026

Job Purpose

The Platform Engineer will be responsible for the day-to-day operations, monitoring, support, and optimization of the WSO2 integration platform within the Bank.

The role ensures reliable and secure system integrations across different systems, supporting critical business services and overall business operations.

Principle Responsibilities

Platform Monitoring and Availability

• Monitor WSO2 components, including:
  • Enterprise Integrator
  • API Manager
  • Micro Integrator
  • API Gateway
• Ensure high availability of integration services and APIs.
• Track message flows, service health, and system performance.
• Proactively identify and resolve integration bottlenecks and failures.

Incident and Problem Management

• Manage incidents, service requests, and problem tickets related to ESB operations.
• Perform root cause analysis and implement permanent fixes.
• Work closely with internal teams, including:
  • Applications
  • Infrastructure
  • Networks
• Collaborate with vendors when required.
• Ensure adherence to SLAs and timely resolution of issues.

API, Service, and Integration Support

• Support deployment and configuration of APIs, services, and integrations on WSO2.
• Troubleshoot issues related to mediation logic, routing, and transformations.
• Validate XML and JSON payloads and integration flows.
• Validate adherence to security controls during API implementation and testing, including:
  • OAuth2
  • SSL
  • API security policies
• Assist developers during testing, UAT, and production releases.

System Maintenance and Performance Optimization

• Perform routine system maintenance, backups, and patching.
• Optimize performance of mediation flows, connectors, and APIs.
• Manage queues, logs, and service endpoints.
• Implement scalability and high-availability configurations.

Documentation and Knowledge Management

• Maintain up-to-date documentation of integrations, APIs, and configurations.
• Develop and maintain SOPs and knowledge base articles.

Qualifications Required

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum of 3 years’ experience in middleware or ESB support, specifically with WSO2.
• WSO2 Certified Developer or Integration Professional certification.
• ITIL Foundation Certification.
• Cloud certifications such as Azure or AWS are an added advantage.
• Experience working in enterprise environments is required.
• Experience in banking, telecom, fintech, or government environments is an added advantage.
• Strong hands-on experience with:
  • WSO2 Enterprise Integrator
  • WSO2 Micro Integrator
  • WSO2 API Manager
  • WSO2 API Gateway
  • WSO2 deployment and clustering
• Knowledge of Service-Oriented Architecture and microservices.
• Proficiency in RESTful and SOAP web services.
• Experience with messaging protocols, including:
  • HTTP/S
  • JMS
  • MQ
• Strong knowledge of data formats, including:
  • XML
  • JSON
  • XSLT
• Experience in data mapping and transformation logic.
• Proficiency in Linux/Unix administration.
• Experience with monitoring tools, including:
  • ELK Stack
  • Grafana
• Proficiency in CI/CD tools, including:
  • Jenkins
  • Git

CRDB Commitment

CRDB Bank is dedicated to upholding Sustainability and ESG practices and encourages applicants who share this commitment.

The Bank also promotes an inclusive workplace. Applications from women and individuals with disabilities are encouraged.

• Monitor WSO2 components, including:
  • Enterprise Integrator
  • API Manager
  • Micro Integrator
  • API Gateway
• Ensure high availability of integration services and APIs.
• Track message flows, service health, and system performance.
• Proactively identify and resolve integration bottlenecks and failures.
• Manage incidents, service requests, and problem tickets related to ESB operations.
• Perform root cause analysis and implement permanent fixes.
• Work closely with internal teams, including:
  • Applications
  • Infrastructure
  • Networks
• Collaborate with vendors when required.
• Ensure adherence to SLAs and timely resolution of issues.
• Support deployment and configuration of APIs, services, and integrations on WSO2.
• Troubleshoot issues related to mediation logic, routing, and transformations.
• Validate XML and JSON payloads and integration flows.
• Validate adherence to security controls during API implementation and testing, including:
  • OAuth2
  • SSL
  • API security policies
• Assist developers during testing, UAT, and production releases.
• Perform routine system maintenance, backups, and patching.
• Optimize performance of mediation flows, connectors, and APIs.
• Manage queues, logs, and service endpoints.
• Implement scalability and high-availability configurations.
• Maintain up-to-date documentation of integrations, APIs, and configurations.
• Develop and maintain SOPs and knowledge base articles.

• WSO2 Enterprise Integrator
• WSO2 Micro Integrator
• WSO2 API Manager
• WSO2 API Gateway
• WSO2 deployment and clustering
• Service-Oriented Architecture
• Microservices
• RESTful web services
• SOAP web services
• HTTP/S
• JMS
• MQ
• XML
• JSON
• XSLT
• Data mapping and transformation logic
• Linux/Unix administration
• ELK Stack
• Grafana
• Jenkins
• Git

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum of 3 years’ experience in middleware or ESB support, specifically with WSO2.
• WSO2 Certified Developer or Integration Professional certification.
• ITIL Foundation Certification.
• Cloud certifications such as Azure or AWS are an added advantage.
• Experience working in enterprise environments is required.
• Experience in banking, telecom, fintech, or government environments is an added advantage.