Senior System Analyst

Madiff; Województwo pomorskie; On-site; PLN 100,000 - 130,000; Full time

Job summary

A leading consulting firm in Poland is seeking a Senior System Analyst to support a strategic transformation project in the corporate banking sector. The successful candidate will shape requirements, design integrations, and document APIs for a modern platform. Ideal applicants will have over 5 years' experience in similar roles, strong analytical skills, and fluency in Polish and English at B2 level.

Benefits

Long-term B2B contract

Stable project pipeline

Qualifications

• 5+ years’ experience as a System Analyst on large enterprise IT projects.
• Proven track record in distributed architecture and API design.
• Strong analytical skills with an ability to understand complex systems.

Responsibilities

• Analyse business requirements into technical and integration specifications.
• Define and document REST/SOAP APIs for system interfacing.
• Validate integration logic using Postman, Swagger, and SQL.

Skills

Analytical skills

UML proficiency

BPMN proficiency

SQL knowledge

REST/SOAP experience

API design

Tools

Postman

Swagger

Enterprise Architect

SQL

Job description

We are looking for Senior System Analysts to join a strategic transformation project in the corporate banking sector. The role focuses on shaping requirements, designing integrations, and delivering system-level specifications for a modern, API-driven platform built from scratch in a highly distributed architecture.

Responsibilities

• Analyse business requirements andtranslate them into detailed technical and integration specifications
• Define and document REST/SOAPAPIs for interfacing with multiple systems
• Model processes and flows usingBPMN/UML in Enterprise Architect
• Validate integration logic usingPostman, Swagger, SQL, SOAP UI
• Conduct system impact assessmentsand support architecture reviews
• Collaborate closely withdevelopers, architects, product owners, and testers
• Provide functional support duringtesting and acceptance phases

Requirements

• 5+ years’ experience as a System Analyst on large enterprise IT projects(banking/fintech preferred)
• Proven track record in distributed architecture, API design, and systemintegration projects
• Proficiency in UML, BPMN, SQL, and modelling tools (Enterprise Architect)
• Hands-on with REST and SOAP flows and related tools (Postman, Swagger)
• Strong analytical skills and ability to understand complex systemsend-to-end
• Polish fluency and English at B2 working level

Nice to have:

• With microservices and messaging platforms (Kafka)
• Background in secure mobile or web systems
• Familiarity with event-driven design, user story mapping, or event storming
• Knowledge of application architecture, DevOps, and CI/CD
• Work inmultilingual, multinational and multicultural environment on internationalprojects
• Long-term B2Bcontract with stable project pipeline