Senior System Architect

📍 Warsaw – 1 day per week from the office 💼 B2B 💰 Rate: 180–200 PLN/h

We offer 📍 Work model: hybrid – 1 day per week from the office in Warsaw 🩺 Private medical care (Luxmed) 🏋️ Multisport card 🔧 Work on building a new system from scratch 🤝 Cooperation with experienced architectural and development teams

Daily tasks

• Designing the new Zgłoszenia Szkody system and documenting system architecture
• Building the system from scratch in a microservices architecture (vibe coding)
• Participating in feasibility analyses and defining implementation assumptions
• Determining the direction of system development, ensuring technological standards and code quality
• Estimating the effort required for programming and architectural tasks
• Assigning development tasks, supervising implementation, code review
• Creating technical documentation
• Ensuring compliance with operational and security requirements
• Providing programming support during development, deployment, and stabilization of solutions

Requirements

Minimum 5 years of experience in designing and supervising system architecture Very good knowledge of Java and Spring Ability to design scalable, secure, and fault-tolerant distributed architectures Very good knowledge of architectural patterns and integration practices Experience working with cloud and infrastructure automation Experience in code review, mentoring, and conducting architectural workshops Co-creating technological roadmaps, risk assessment Experience in end‑to‑end observability Practical knowledge of API governance Practical knowledge of DDD Experience in Event‑Driven Architecture English language min. B2 Nice to have: Experience with Agentic SDLC Experience in multi‑cloud strategies Advanced practical knowledge of DDD Cloud cost awareness Participation in defining technological standards in the organization

Must have: Architecture, Java, Spring, Code Review, end-to-end, API Governance, DDD, Event-Driven Architecture

Nice to have: Agentic SDLC, Multi-cloud