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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