October 11, 2026
System Architect (Paperless) — Hands-on Java Developer
Senior • Remote
Poznań, Poland
Quick Facts
- Hands-on System Architect role focused on Paperless/digital document circulation
- Building Java + Spring Boot services and integrations
- Microservices, CI/CD, containers, and troubleshooting end-to-end
Description
You will design and develop Paperless solutions that support digital document flow, including e-signature, workflow, and electronic archiving. The position is hands-on: you will implement architecture and code, build REST/SOAP integrations (e.g., with ECM and data platforms), and evolve microservices for performance, security, and stability. You will also maintain CI/CD on Azure DevOps and containerized environments, while analyzing backend/integration logs and metrics and collaborating with frontend teams.
Responsibilities
- Design and develop Java/Spring Boot applications for digital document circulation (e-signature, workflow, electronic archiving)
- Participate in Paperless solution architecture and actively create and evolve production code
- Design and develop integrations using REST API, SOAP, and other integration mechanisms (e.g., ECM and Data Lake platforms)
- Develop microservices-based solutions and ensure performance, security, and stability
- Maintain and improve CI/CD processes in Azure DevOps and container environments (Docker, Kubernetes)
- Maintain and optimize runtime environments, including Apache Tomcat, Linux, and Windows Server
- Analyze and solve issues across backend, integrations, logs, metrics, and frontend layer (Angular or React)
- Collaborate with technology and business teams on design, delivery, and continuous improvement
- Create and update technical documentation and improve development standards and best practices
Requirements
- Minimum 4 years of commercial Java application development experience
- Strong daily working knowledge of Java and Spring Boot
- Experience designing and implementing REST APIs
- Ability to work fluently with microservices architecture
- Solid knowledge of relational databases and SQL
- Proficiency with Git
- Knowledge of DevOps practices and CI/CD (Azure DevOps)
- Hands-on experience with Docker and Kubernetes
- Familiarity with application servers (Apache Tomcat)
- Experience working with Linux and Windows Server
- Knowledge of Angular or React sufficient to analyze code and diagnose errors
- Understanding distributed systems architecture and integration using REST and SOAP
- Ability to produce clear technical documentation
- Strong troubleshooting and solution-proposal skills, with effective cross-team collaboration
Benefits
- B2B contract employment model
- Essential equipment and tools to work effectively
- Preferential MultiSport card terms
- Medical care (LuxMed) and group insurance (Uniqa)
- Real impact on technologies used daily by millions
- A place where ideas are heard and matter
- Collaboration with experts across multiple domains
- Opportunity to test innovative solutions
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