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Offer summary
(Summary generated by AI based on the full job description)
The project targets a large insurance system focused on migrating from a monolith to a microservices architecture and deployments on private cloud. Required skills include Java, Spring, Event-Driven Architecture, Domain-Driven Design (DDD), cloud and infrastructure automation, and end-to-end observability. Responsibilities include creating migration strategies and architectures, coding changes in the property insurance system, managing technical debt, conducting code reviews and architectural workshops, supporting teams in solution implementation, and developing standards and a DevOps culture.
from: 9 November 2026
to: 9 December 2026
salary not specifiedB2B contract
Offer parameters
level:senior
working mode:hybrid • full office
Warszawa, Mokotów
Requirements
Expected technologies
System Architecture
API Governance
Domain-Driven Design
Event-Driven Architecture
Java
Spring Framework
Cloud Architecture
Optional technologies
AI
Our requirements
- Minimum 5 years of experience in system architecture design and oversight
- Very good knowledge of Java and Spring
- Ability to create scalable, secure, and fault-tolerant distributed architectures
- Strong understanding of architectural patterns and integration practices
- Experience working with cloud and infrastructure automation
- Ability to conduct code reviews, mentor, and lead architectural workshops
- Co-creating technology roadmaps and assessing risks
- Experience in end-to-end observability
- Practical knowledge of API governance and Domain-Driven Design (DDD)
- Experience with Event-Driven Architecture
- Advanced level of English and Polish
- Openness to work hybridly in Warsaw (3 days a week from the office)
Optional
- Previous work with Agentic SDLC
- Experience in multi-cloud strategies
- Advanced practical knowledge of DDD
- Awareness of cloud costs
- Participation in defining technology standards within the organization
Your responsibilities
- Co-creating and programming changes in the property insurance system
- Developing migration strategies from monolithic solutions to microservices architecture based on private cloud
- Managing technical debt and incorporating it into work planning
- Collaborating on the direction and vision for modern IT solutions
- Providing insights and guidance to development teams to maintain a consistent direction in delivering business value
- Supporting teams with consulting in creating solutions
- Assisting in the development of feasibility analyses and implementation assumptions for IT system development
- Supporting the design and documentation of system architectures
- Acquiring and implementing new technologies
- Participating in the development of standards and supporting compliance with established standards
- Assisting in initiatives to improve the development process and foster a DevOps culture
About the project
We are looking for an experienced Senior Architect to join our team and contribute to building migration strategies and translating them into scalable, secure, and resilient system architectures. You will engage in a big, insurance project and hands-on implementation of designed architectures and collaborate closely with development teams to deliver modern IT solutions. This role offers a hybrid work mode from Warsaw. If you are passionate about shaping technology strategies and driving architectural excellence, this opportunity may be the right fit for you.
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Senior Architect (f/m/x)
I apply to:
Sii Sp. z o.o.
Warszawa, Mokotów
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