Job Description

We are looking for a Senior IT Systems Analyst to support the analysis and design of complex banking system integrations and distributed enterprise applications . The role focuses on translating business requirements into detailed technical specifications, designing integrations using Web Services, microservices, SOA, REST APIs, and UML , and preparing technical documentation with tools such as Enterprise Architect, PlantUML, and Swagger . The consultant will work closely with architects, developers, and other IT teams to design reliable integration solutions, coordinate technical dependencies, and support integration testing and troubleshooting. Responsibilities • Validate functional and non-functional business requirements • Design integrations between IT systems • Prepare UML diagrams, including use case, sequence, activity and component diagrams • Prepare detailed integration designs using Swagger or similar tools • Work with architects and developers on technical solutions • Coordinate technical dependencies with other IT teams • Perform initial integration testing • Analyse integration errors and technical issues • Participate in Scrum ceremonies • Prepare and maintain technical documentation Requirements • Minimum 5 years experience as a Systems Analyst in IT projects • Strong knowledge of system integrations • Web Services • Microservices • SOA • Distributed systems architecture • UML modelling • Enterprise Architect, PlantUML or another CASE tool • Swagger or similar integration documentation tools • MS SQL or other relational databases • Understanding of CRUD operations • Experience analysing business and functional requirements • Experience designing IT systems • University degree in IT, economics or related field • Fluent Polish • English B2/C1 Nice to have • Banking or financial services experience • Insurance sector experience • Kibana • Grafana Benefits • Flexible hybrid work model (1 day/week on-site in Warsaw) • Solid, competitive salary • Work in a multinational environment on international projects • Comprehensive healthcare • Long-term B2B contract with a stable project pipeline