Trading Systems Integration Engineer - FIX 4.4 Expert

CAPCO POLAND

- We are looking for Poland based candidate.

At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management.

Build resilient integration and workflow solutions at the intersection of capital markets, modern technology and digital assets.

As a Senior Integration & Workflow Engineer, you’ll provide specialist engineering services focused on designing and developing custom integration and workflow-orchestration components connecting capital markets platforms, blockchain infrastructure and market infrastructure.

Design and develop custom integration and workflow-orchestration components connecting capital markets entity’s platforms, Blockchain infrastructure and market infrastructure. The scope includes delivering resilient, secure and auditable services supporting pre-trade validation, transaction orchestration, settlement processing and downstream system integration..

• Design and develop custom middleware and workflow-orchestration services
• Build REST/API-based integrations with internal and third-party platforms
• Implement transaction and workflow state management, including multi-step processing across systems
• Develop orchestration logic for Pre-Trade Gateway, DvP/settlement and downstream integration flows
• Implement validation, routing, reservation/earmark and transaction-processing logic
• Develop adapters and integration services for external platforms and market-infrastructure systems
• Implement idempotency, retry, queueing, replay and recovery patterns for resilient transaction processing
• Implement asynchronous/event-driven processing where required by detailed architecture
• Build robust exception handling, error classification and operational status management
• Implement audit logging, monitoring and traceability across end-to-end workflows
• Develop data mappings, transformation and canonical integration models
• Support authentication, authorization, API security and enterprise security requirements
• Develop automated unit/component tests and support SIT/E2E testing
• Troubleshoot complex cross-system integration and production issues
• Support CI/CD, deployment, configuration and production-readiness activities
• Produce technical documentation and support knowledge transfer/handover
• Develop and maintain FIX 4.4 message flows and routing logic connecting the existing exchange environment with the DLT/tokenized order flow
• Implement FIX message mapping, validation, routing, acknowledgements, execution reports, rejects and error handling for tokenized order flows

We offer a flexible collaboration model based on a B2B contract, with the opportunity to work on diverse projects.

Recruitment Process: