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22.06.2026 | Pełny etat | Piła | Sii Sp. z o.o.End components and windows for IPT/IOM trading workflows using modern Svelte - SvelteKit, with a focus on real-time responsiveness, interoperability and minimal latency Write testable, maintainable code with appropriate unit and component-level tests, and contribute to the team’s continuous

22.06.2026 | Pełny etat | Białystok | Sii Sp. z o.o.Automate settlements, and gain full real-time control over their spending. Your responsibilities Leading initiatives to design, build, and maintain scalable microservices primarily using Kotlin Collaborating with cross-functional teams to develop innovative solutions across Platform, Services, SMB

22.06.2026 | Pełny etat | Gdańsk (Gdańsk) | B2B.NET S.A.Maintain automated test suites using Python and Robot Framework Provide test results Participate in testing team activities and contribute to organizational quality initiatives Our requirements Proven experience with RESTful API testing tools and methodologies Strong Python programming skills for test

22.06.2026 | Pełny etat | Kraków | AristocratGuiding implementation, and ensuring reliability across distributed systems and integrations. What You'll Do Software Development Develop high-quality software solutions using .NET technologies. Feature Development Collaborate with cross-functional teams to create new features and enhance existing

22.06.2026 | Pełny etat | Toruń | Sii Sp. z o.o.That power customer-facing applications and services, ensuring high reliability, scalability, and performance Developing and optimizing ingestion, transformation, and serving layers using BigQuery, Airflow, dbt, and Python to support real-time and near-real-time data consumption Contributing to event-driven

22.06.2026 | Pełny etat | Katowice | Capco PolandLogs, and behavior to ensure stability, scalability, and reliability Collaborate with traders, quantitative developers, and engineering teams to understand requirements and improve system quality Continuously improve testing approaches using modern tools, including AI-assisted development tools (e.G

22.06.2026 | Pełny etat | Piła | Sii Sp. z o.o.Sandbox Develop and maintain marketing functionalities using AMPscript, Content Builder, SQL, Email Studio, Automation Studio, Landing pages, Journey Builder, and Twilio for sending SMS and WhatsApp Collaborate with cross-functional teams and communicate effectively with stakeholders to implement

22.06.2026 | Pełny etat | Gdańsk (Gdańsk) | DCGWithin the system Validate developer changes and test results using strong analytical skills Document and report test outcomes in a structured and comprehensive way Support Application Maintenance (AM) teams in resolving production incidents Investigate issues and participate in problem diagnosis

22.06.2026 | Pełny etat | Wrocław | Sii Sp. z o.o.Automate settlements, and gain full real-time control over their spending. Your responsibilities Leading initiatives to design, build, and maintain scalable microservices primarily using Kotlin Collaborating with cross-functional teams to develop innovative solutions across Platform, Services, SMB