Solution Architect (Core Banking)

capco; Polska; Hybrid; PLN 260,000 - 420,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Capco Poland is seeking a skilled Solution Architect to provide architecture advisory services for a banking client in Warsaw. The role focuses on reviewing and validating an existing solution architecture with emphasis on integration, MQ utilization, performance, and resilience.

The engagement is hybrid (on-site and remote) with Polish fluency required. You will assess end-to-end data flows, non-functional requirements, and scalability, delivering reports and recommendations to stakeholders

Qualifications

• Proven experience as a Solution Architect, Integration Architect, or similar role.
• Strong background in enterprise integration architectures.
• Hands-on experience with message queue technologies (IBM MQ, JMS, Kafka or similar).
• Solid understanding of asynchronous communication, messaging patterns, and error handling.
• Experience with performance testing, scalability analysis, and non-functional requirements.
• Knowledge of high-availability and fault-tolerant architectures.
• Experience in banking or regulated environments is highly desirable.
• Ability to work effectively in hybrid delivery models (on-site and remote).

Responsibilities

• Review and assess the end-to-end solution architecture, including system components, dependencies, and data flows.
• Verify compliance with architectural standards, best practices, and non-functional requirements.
• Evaluate the technology stack, scalability, fault tolerance, and resilience of the solution.
• Analyze integration between source systems and the Replica, including data propagation across architectural layers.
• Assess the use of message queues (MQ) and related patterns, error handling, and delivery guarantees.
• Conduct or support performance and load testing aligned with real production data volumes.
• Prepare architecture review reports and recommendations for technical and non-technical stakeholders.

Skills

Solution Architect

Integration Architect

Enterprise integration

Asynchronous messaging

Non-functional requirements

Performance testing

Scalability analysis

High availability

Hybrid delivery

Banking industry

Tools

IBM MQ

JMS

Kafka

Job description

CAPCO POLAND

SOLUTION ARCHITECT - Architecture & Integration Advisory

Location: Warsaw, Poland

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.

Our secret? A culture that's fast, flexible, and fiercely entrepreneurial. We move quickly, think creatively, and always put our people first.

We're passionate about growth - both for our clients and ourselves - and that means attracting the very best talent to join us on this exciting journey.

• Trailblazers in banking, payments, capital markets, wealth, and asset management
• Champions of an agile, nimble, and innovative work environment
• Dedicated to building a team of top-notch professionals who share our drive and vision

Role Overview

We are looking for an experienced Solution Architect to provide architecture advisory services for a banking client. The role focuses on the review and validation of an existing solution architecture , with particular emphasis on system integration, message queues (MQ), performance, scalability, and resilience . The engagement will be delivered in a hybrid model (on-site and remote). Fluency in Polish is mandatory.

Key Responsibilities

• Review and assess the end-to-end solution architecture , including system components, dependencies, and data flows.
• Verify compliance with architectural standards, best practices, and non-functional requirements .
• Evaluate the technology stack , scalability, fault tolerance, and resilience of the solution.
• Analyze integration between source systems and the Replica , including data propagation across architectural layers.
• Assess the use of message queues (MQ) : asynchronous communication patterns, queue configuration, message handling and error management, retry mechanisms and Dead Letter Queues (DLQ), delivery guarantees (e.g. at-least-once, exactly-once), queue throughput and impact on replication latency.
• Conduct or support performance and load testing aligned with real production data volumes.
• Analyze end-to-end processing times , system stability under load, and identify architectural bottlenecks.
• Monitor and assess CPU utilization (MSU) during peak data transfer periods.
• Identify optimization opportunities to reduce resource consumption, improve performance, and control costs .
• Prepare architecture review reports, findings, and recommendations for both technical and non-technical stakeholders.

Required Skills & Experience

• Proven experience as a Solution Architect , Integration Architect , or similar role.
• Strong background in enterprise integration architectures .
• Hands-on experience with message queue technologies (e.g. IBM MQ, JMS, Kafka or similar).
• Solid understanding of asynchronous communication, messaging patterns, and error handling .
• Experience with performance testing, scalability analysis, and non-functional requirements .
• Knowledge of high-availability and fault-tolerant architectures .
• Experience in banking or regulated environments is highly desirable.
• Ability to work effectively in hybrid delivery models (on-site and remote).

Language & Location Requirements

• Fluent Polish (spoken and written) - mandatory
• Good command of English for documentation and collaboration.
• Availability to work on-site, with partial remote work.

Nice to Have

• Experience with mainframe environments and MSU-based cost models .
• Familiarity with enterprise architecture frameworks .
• Experience delivering architecture assessments or advisory engagements .

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

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