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November 4, 2026
Senior Solution Architect
Senior • Remote
Łódź, Poland
Quick Facts
Role: Senior Solution Architect
Description
You will develop and optimize the architecture of IT systems, focusing on integration of business systems and Master Data management. You will design secure, scalable end-to-end solutions, translating business needs into technical requirements and producing HLD/LLD documentation and non-functional requirements. You will work closely with business stakeholders, development teams, and external vendors while ensuring compliance with IT security requirements and GDPR (RODO).
Responsibilities
Design end-to-end IT solution architecture from business needs analysis through technical documentation (HLD and LLD)
Develop and optimize integrations between business systems, including REST/SOAP APIs and event-driven integrations
Design Master Data solutions, including data modeling, data quality, and ownership
Document architectural decisions and define non-functional requirements
Run workshops with business stakeholders and convert their needs into technical solutions
Collaborate with development teams to implement solutions according to the agreed architecture
Work with external vendors: define requirements, analyze offers, and oversee delivery
Ensure solutions meet security requirements and GDPR (RODO) regulations
Requirements
Minimum 5–6 years of experience as a Solution Architect or similar role in system/app/integration architecture
Proven ability to design end-to-end solutions, including requirements analysis, HLD/LLD documentation, and non-functional requirements
Practical knowledge of business system integrations (REST/SOAP APIs, event-driven integration), including monitoring and error handling
Knowledge of Master Data concepts: data modeling, data quality management, defining data owners, and identifying source and reference systems
Ability to collaborate with business, facilitate workshops, and present architecture concepts to non-technical audiences
Experience collaborating with external vendors and ensuring delivery compliance with architectural assumptions
Knowledge of IT security principles and GDPR (RODO) requirements
English knowledge sufficient for technical documentation and communication with vendors
Benefits
Long-term projects and employment stability with leading clients
Flexible engagement models (B2B, employment contract, or contract)
Benefits: Medicover (extended with dentistry), FitProfit, English lessons
F45 gym training at the office with professional trainers
Internal employee referral program
Possibility to have IT certificates funded
Hybrid/remote/on-site working model depending on the project
Team-building events and integration trips
Charity support and involvement in initiatives such as Szlachetna Paczka and #PomagamyNexio
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