Trading Systems Integration Engineer - FIX 4.4 Expert

<p><strong>CAPCO POLAND </strong></p> <p><strong>*We are looking for Poland based candidate. </strong></p> <p>At <strong>Capco Poland,</strong> 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.</p> <p><strong>Build resilient integration and workflow solutions at the intersection of capital markets, modern technology and digital assets.</strong></p> <p><strong>The Role</strong></p> <p>As a <strong>Senior Integration & Workflow Engineer</strong>, 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.</p> <p>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.. </p> <p><strong>What You’ll Do</strong></p> <ul> <li class="artifact-docx-preview-num-1-0">Design and develop custom middleware and workflow-orchestration services</li> <li class="artifact-docx-preview-num-1-0">Build REST/API-based integrations with internal and third-party platforms</li> <li class="artifact-docx-preview-num-1-0">Implement transaction and workflow state management, including multi-step processing across systems</li> <li class="artifact-docx-preview-num-1-0">Develop orchestration logic for Pre-Trade Gateway, DvP/settlement and downstream integration flows</li> <li class="artifact-docx-preview-num-1-0">Implement validation, routing, reservation/earmark and transaction-processing logic</li> <li class="artifact-docx-preview-num-1-0">Develop adapters and integration services for external platforms and market-infrastructure systems</li> <li class="artifact-docx-preview-num-1-0">Implement idempotency, retry, queueing, replay and recovery patterns for resilient transaction processing</li> <li class="artifact-docx-preview-num-1-0">Implement asynchronous/event-driven processing where required by detailed architecture</li> <li class="artifact-docx-preview-num-1-0">Build robust exception handling, error classification and operational status management</li> <li class="artifact-docx-preview-num-1-0">Implement audit logging, monitoring and traceability across end-to-end workflows</li> <li class="artifact-docx-preview-num-1-0">Develop data mappings, transformation and canonical integration models</li> <li class="artifact-docx-preview-num-1-0">Support authentication, authorization, API security and enterprise security requirements</li> <li class="artifact-docx-preview-num-1-0">Develop automated unit/component tests and support SIT/E2E testing</li> <li class="artifact-docx-preview-num-1-0">Troubleshoot complex cross-system integration and production issues</li> <li class="artifact-docx-preview-num-1-0">Support CI/CD, deployment, configuration and production-readiness activities</li> <li class="artifact-docx-preview-num-1-0">Produce technical documentation and support knowledge transfer/handover</li> <li class="artifact-docx-preview-num-1-0">Develop and maintain FIX 4.4 message flows and routing logic connecting the existing exchange environment w