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Scaling the Banking Industry
Overview
Our partner faced a critical challenge in their digital transformation journey: an ecosystem of legacy systems operating in silos. Data moved through fragile batch file transfers and database jobs, with little traceability or visibility across the organization. These blind spots created operational inefficiencies, increased risk, and made it difficult to coordinate the complex workflows required for modern banking - especially in account onboarding, where multiple systems had to communicate seamlessly.
Although they recognized the need for modern microservices, messaging protocols, and real-time data exchange, they lacked the in-house expertise to design, architect, and implement such a solution. After two years of stalled progress, mounting urgency, and rising pressure from leadership, they turned to SEQTEK to define the strategy, build the architecture, and execute the integration effort successfully.
Modernizing Systems
Before SEQTEK engaged, our partner was facing:
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Disconnected legacy applications with no reliable visibility into how or when data moved between systems.
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High operational risk, relying on batch jobs and file transfers prone to failure.
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A multi-year stalled initiative attempting to modernize integrations without a clear architecture or path forward.
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Uncertainty around microservices and messaging, with tools chosen but no governance, patterns, or strategy defined.
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Complex dependencies across FIS, account onboarding workflows, wealth systems, and numerous internal and external platforms.
The lack of transparency meant:
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Teams couldn’t trace data flow end to end.
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Failures were difficult to detect or diagnose.
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Transformation programs were slowed by integration uncertainty.
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Pressure was building
“We don’t know who’s talking to whom - there’s no visibility, no orchestration, and no confidence in the data flow.”
They needed a proven architecture, a cohesive approach, and a partner capable of delivering a reliable integration platform inside a highly regulated banking environment.
Solutions & Impact
SEQTEK embedded directly into the client’s Kanban agile framework, beginning with a comprehensive discovery phase:
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Reviewed architecture, use cases, and the two-year backlog
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Facilitated design sessions to map integrations, data flows, and event triggers
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Validated the existing tech stack and clarified how it should be used
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Established clear design patterns, integration rules, and messaging governance
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Built structure where ambiguity had stalled progress
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Ensured constant alignment through daily standups, design workshops, and stakeholder reviews
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Transferred knowledge through hands-on working sessions to build internal confidence and capability
This collaborative and governance-driven approach brought clarity, momentum, and control to a previously stalled initiative.
Solution Delivered
SEQTEK built a robust, enterprise-grade service integration layer to orchestrate data movement across its most critical systems:
Systems Integrated:
FIS • Decisions.com • Bloomberg • Filenet • Pershing • DocuSign • MSRB • Multiple internal custom apps
Technical Foundation:
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.NET microservices
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SQL Server persistence
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RabbitMQ for internal messaging
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IBM MQ for external integrations
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RESTful API framework
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OKTA-based authentication
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Clean Architecture for long-term maintainability
DevOps & Delivery:
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Transitioned from Bitbucket to Azure DevOps CI/CD
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Confluence for documentation
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Jira for visibility and workflow management
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Penetration testing to ensure enterprise security
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Extensive integration playbooks for repeatable testing
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Comprehensive system validation across all impacted applications
Rollout Achievements:
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Enabled Broadridge transformation workflows
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Powered the Wealth Platform Management (WPM) modernization
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Delivered one of the most stable components across both programs
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Platform consistently production-ready despite shifting enterprise timelines
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Key Takeaways
Why this engagement succeeded:
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Structure where ambiguity existed – Patterns, governance, and messaging frameworks turned confusion into coordinated progress.
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Strong collaboration – Daily standups, design sessions, and frequent stakeholder reviews ensured alignment.
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Enterprise assurance – Playbooks, documentation, and PEN testing provided reliability and compliance in a regulated environment.
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Resilient delivery – The integration layer was ready for production long before dependent systems.
Repeatable lessons for other partners:
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Integration is not just technology - it is visibility and control.
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Selecting tools isn’t enough; transformation requires governance and architecture.
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Playbooks are essential for complex environments with many interconnected systems.
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Security must be foundational, not optional.
