Senior Software Engineer (Java) job opportunity at Sopra Steria.

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Date2026-03-13T07:37:21.201Z bot
Sopra Steria Senior Software Engineer (Java)
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Pattern: Full-time
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loacation Katowice ul. Żelazna 10, 40-851, Katowice, Poland
loacation Katowice ul. Ż..........Poland
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Job DescriptionWe are looking for a Senior Software Engineer (Java) to join Sopra Steria Polska as part of the delivery team responsible for integrating the Simpl‑Open middleware into the Language Data Space (LDS).In this role, you will focus on secure participant onboarding, connector and middleware interoperability, identity and access integration, metadata publication and discovery, vocabulary alignment, and production‑ready delivery. You will design and implement technical integrations between LDS platform components and Simpl‑Open middleware services.This position combines backend engineering, systems integration, identity and trust services, metadata and semantic interoperability, and operational readiness within a federated, multi‑stakeholder environment.Note that we can only offer cooperation to people who has EU citizenship, are located in Poland and are willing to commute to our office in Katowice, Poland. Responsibilities:​Design and implement APIs, adapters, connectors, and integration services between LDS components and Simpl-Open capabilities.Implement participant onboarding, secure communications setup, and connector registration workflows.Integrate authentication, authorization, role assignment, attribute mapping, and directory-connectedaccess-management patterns.Implement metadata publication, catalogue interaction, discovery flows, validation rules, and transformation logic.Support vocabulary management, semantic mappings, and multilingual metadata interoperability.Contribute to deployment automation, integration testing, observability, troubleshooting, and technical documentation. Tech stack on the project:​REST APIs, Keycloak, Identity and Access Management OAuth 2.0, OpenID, Connect Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC), Java, Spring Boot, JSON, YAML, OpenAPI, Docker

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