Senior Software Architect — Data Mesh & EA

Sii Poland; Białystok; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well‑equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking a Senior Software Architect to join a program focused on Enterprise Architecture, Data Architecture, and data governance. You will help build a consistent reference architecture and unify distributed architectural knowledge across a complex enterprise.

You will work with technical experts to define models, standards, and architectural guidance, while applying hands-on Python and Bash for automation and AI-assisted workflows to keep metadata accurate.

Qualifications

• 8+ years of experience in enterprise, capability, or data architecture
• Strong knowledge of Data Mesh, data governance, and data products
• Solid understanding of APIs and integration patterns
• Hands-on scripting in Python and Bash for automation
• Experience with reference architectures and architecture repositories
• Fluent English and residency in Poland

Responsibilities

• Curating technical capabilities and improving the Reference Architecture Framework (RAF) content by reviewing and enhancing capability definitions, classifications, and relationships
• Collaborating with platform teams to represent their offerings in the RAF, describing architecture, services, and capabilities using a shared vocabulary
• Supporting enterprise reuse initiatives by aligning platform and service descriptions and making existing capabilities easier to discover
• Automating architecture information management through the development of reusable scripts and AI‑assisted workflows to maintain accurate information across sources
• Developing practical guidance by transforming recurring architecture and API integration questions into reference patterns and automated checks

Skills

Data Mesh

Data governance

APIs & integration patterns

Python

Bash Shell

Enterprise architecture

Architecture repositories

Fluent English

Job description

Sii Poland is seeking a Senior Software Architect to join a program focused on Enterprise Architecture, Data Architecture, and data governance. You will help build a consistent reference architecture and unify distributed architectural knowledge across a complex enterprise.

You will work with technical experts to define models, standards, and architectural guidance, while applying hands-on Python and Bash for automation and AI-assisted workflows to keep metadata accurate.