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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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