Senior System Analyst: API-Driven Distributed Systems

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

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.