Trading Systems Integration Engineer

Posted An Hour Ago
Be an Early Applicant
Hiring Remotely in Poland
Remote or Hybrid
Entry level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
Be Yourself at Work, Make a Difference, and Act with Integrity are our values at Capco.
The Role
Designs and develops resilient middleware, API integrations, and workflow-orchestration services for capital markets, trading, settlement, blockchain, and DLT systems. Responsibilities include FIX 4.4 message flows, transaction processing, event-driven integration, state management, security, auditability, testing, deployment, and production troubleshooting.
Summary Generated by Built In

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.

The Role

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.. 

What You’ll Do


  • 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

What We’re Looking For


  • Strong hands-on experience developing enterprise integration / middleware applications
  • Strong hands-on experience with FIX 4.4, including message structures, tags, session management, routing, order lifecycle messages and execution reporting
  • Experience integrating FIX 4.4-based exchange order flows with API/middleware-based downstream systems, including DLT or other non-traditional market infrastructure.
  • Strong development experience in Java / Spring Boot, .NET/C#, Node.js/TypeScript or comparable enterprise technology stack
  • Strong FIX 4.4, REST API and service-integration experience
  • Experience implementing workflow/orchestration or transaction-processing applications
  • Experience with asynchronous processing, messaging and event-driven patterns such as Kafka, MQ or equivalent
  • Strong understanding of distributed-system patterns including idempotency, re-tries, timeouts, circuit breakers, concurrency and failure recovery
  • Experience with relational databases and persistent transaction/state management
  • Experience integrating with third-party/vendor APIs
  • Experience with secure enterprise application development, authentication/authorization and audit logging
  • Experience with Git, CI/CD, automated testing and modern deployment practices
  • Strong troubleshooting skills across distributed applications and interfaces


Domain & Industry Experience

  • Financial services integration experience, particularly capital markets, payments, trading or settlement
  • Experience with financial-market messaging standards
  • Experience developing transaction orchestration in regulated/high-availability environments
  • Exposure to blockchain/DLT, digital assets, smart assets or custody platforms is preferred

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

Recruitment Process:

  1. HR Interview with the recruiter
  2. Technical Interview
  3. Client Interview 
  4. Feedback and offer

#LI-HYBRID

Skills Required

  • Strong hands-on experience developing enterprise integration or middleware applications
  • Strong hands-on experience with FIX 4.4, including message structures, tags, session management, routing, order lifecycle messages, and execution reporting
  • Experience integrating FIX 4.4 exchange order flows with API or middleware-based downstream systems
  • Strong development experience with Java and Spring Boot, .NET and C#, Node.js and TypeScript, or a comparable enterprise technology stack
  • Strong FIX 4.4, REST API, and service-integration experience
  • Experience implementing workflow orchestration or transaction-processing applications
  • Experience with asynchronous processing, messaging, and event-driven patterns such as Kafka or MQ
  • Understanding of distributed-system patterns including idempotency, retries, timeouts, circuit breakers, concurrency, and failure recovery
  • Experience with relational databases and persistent transaction or state management
  • Experience integrating third-party or vendor APIs
  • Experience with secure enterprise application development, authentication, authorization, and audit logging
  • Experience with Git, CI/CD, automated testing, and modern deployment practices
  • Strong troubleshooting skills across distributed applications and interfaces
  • Financial services integration experience, particularly in capital markets, payments, trading, or settlement
  • Experience with financial-market messaging standards
  • Experience developing transaction orchestration in regulated or high-availability environments
  • Experience with DLT, blockchain, digital assets, smart assets, or custody platforms

What the Team is Saying

Sarvani
Michael
Josh
Marina
Dreidel
Maud
Lydia
Chris

Capco Compensation & Benefits Highlights

  • Healthcare Strength Health, dental, and vision coverage in the U.S. are characterized as strong, with good coverage and favorable costs. Mental health resources and broader wellbeing programs are also emphasized as part of a comprehensive package.
  • Leave & Time Off Breadth PTO and paid holidays are described as generous, with multiple mentions of strong vacation allowances. While client work can affect usage, the underlying entitlement is presented as solid.
  • Parental & Family Support Company materials highlight enhanced family-friendly policies, including substantial maternity and paternity leave. Flexibility and return-to-work support reinforce a family-oriented approach.

Capco Insights

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The Company
HQ: London
6,000 Employees
Year Founded: 1998

What We Do

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting edge ingenuity is brought to life through its award-winning Be Yourself At Work culture and diverse talent. TRUSTED ADVISORS - Our collaborative and entrepreneurial approach position us as trusted long-term partners to our clients. DEEP EXPERTISE - Clients look to us for clear guidance, proven expertise, and the support they need to set their companies up for success. DISRUPTIVE SOLUTIONS- We do not provide off -the-shelf answers to clients’ challenges. Instead, we work in close collaboration to understand the issues, and craft disruptive, bespoke solutions. ACCOUNTABILITY AND OWNERSHIP - We recognize every client has distinct needs and expectations, and we take ownership and accountability for the solutions we design, build, and deliver.

Why Work With Us

We support and encourage an inclusive culture, entrepreneurial outlook and independent thinking. Capco is not about organizational charts and rigid hierarchies – we want all employees to feel that Capco is their firm to own and run. We believe diversity powers innovation. Be Yourself At Work (#BYAW) is an integral and underlying part of our culture

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Capco Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Not Specified
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