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November 3, 2026
Solutions Architect (Banking)
Senior • On-site
Warsaw, Poland
Quick Facts
Role: Solutions Architect (Banking)
Description
Design IT system architecture for electronic banking services, converting business requirements into technical and architectural specifications. Identify, document, and manage user requirements, and create functional and analytical documentation. Develop architectural, process, and system models using ArchiMate 3.0, UML, and BPMN 2.0, including integration solutions based on REST APIs and other data exchange mechanisms with defined data validation rules.
Responsibilities
Design IT system architecture for electronic banking services
Analyze business requirements and translate them into technical and architectural requirements
Identify, document, and manage user requirements
Produce analytical and functional documentation
Create architectural, process, and system models using ArchiMate 3.0, UML, and BPMN 2.0
Design integration solutions using REST APIs and define data validation standards and rules
Collaborate with development teams to implement the system architecture
Analyze relational databases and write SQL queries
Ensure solutions meet application and data security requirements (OAuth2, OpenID Connect, mTLS)
Design high availability (HA) and disaster recovery (DR) systems
Support deployment/implementation processes and assess architectural proposals for compliance with organizational standards
Requirements
Minimum 5 years of experience as Systems Analyst or Solutions Architect in IT projects for electronic services in the banking sector
Practical experience in identifying and managing user requirements
Practical experience translating business requirements into technical requirements
Experience creating functional documentation and system specifications
Experience modeling processes and architecture with ArchiMate 3.0, UML, and BPMN 2.0
Experience with XML, XSD, YAML, and JSON
Experience designing and implementing application and data security mechanisms (OAuth2, OpenID Connect, mTLS)
Ability to define data validation rules
Relational database analysis experience and SQL query creation
Experience using Sparx Enterprise Architect
Ability to design High Availability (HA) and Disaster Recovery (DR) environments
Very good knowledge of enterprise architecture, systems architecture, and software engineering
Experience modeling relational databases
Very good knowledge of SQL
Knowledge of integration architecture and REST API interface design
Knowledge of banking-sector processes, systems, and solutions
Benefits
Job stability: long-term projects and cooperation with leading companies, with development across different IT areas
Flexible engagement models: B2B contract, employment contract, or contract work
Benefits: Medicover (expanded with dentistry), FitProfit, English language lessons
F45 gym training at the office
Internal referral program
Possibility to fund IT certifications
Project-dependent work style: hybrid, remote, or on-site
Team events and integration trips
Charity support (e.g., Szlachetna Paczka) and #PomagamyNexio initiatives
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