Poznan IT
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Senior .NET Developer - Backend & API (Hybrid)
Integral Solutions seeks a senior .NET developer to design and build .NET applications, create API services, and refine business logic in a hybrid role in Poland. Core stack: C#, ASP.NET Core, and REST APIs, working with Visual Studio, Git, and Azure DevOps on a B2B contract with benefits.
Java Backend Developer - Bankowość (Hybrid/Remote)
Java/Spring backend developer working hybrid from Poland on advanced banking systems: building microservices using DDD, hexagonal architecture, REST/SOAP and Kafka, with Maven, Jenkins, Docker and Kubernetes, for a secure electronic banking platform.
Senior Data Engineer
Senior Data Engineer (expert IC role, no team management) at software house summ-it, designing data platforms, ETL/ELT pipelines and Data Warehouse/Lakehouse solutions on Microsoft Azure, Fabric and SQL Server (SSIS/SSAS) plus on-premises stacks. Hybrid work with at least 4 office days per month in Poznań.
Python Backend Developer - projekt AI
Mid-level Python backend developer joining a team building an AI application that digitizes and automates procurement and supplier-selection processes. Day-to-day: building Python/FastAPI REST APIs, AWS cloud work, and Generative AI/LLM integrations; hybrid model, 2 days/week in Wrocław, Poznań or Gdańsk.
Senior AI-Driven Full-Stack Developer (Python & React)
Poznan IT poszukuje doświadczonego Full Stack Developera do zespołu pracującego nad nowoczesną aplikacją wykorzystującą sztuczną inteligencję. Rola obejmuje rozwój backendu w Pythonie oraz frontend w React, ścisłą…
Senior Fullstack Developer (Python + React)
Senior fullstack developer building the Python backend/REST APIs and React frontend of an AI-driven application that digitalizes procurement and supplier-selection processes, turning data-science prototypes (gen AI/LLM) into production-grade systems. Hybrid: 2 days/week onsite in Wrocław, Poznań or Gdańsk.
Senior Software Engineer with Python and Go (f/m/x)
Senior engineer (at Sii, Poznań) on a team designing integration and automation solutions: building middleware, automation tooling and reusable CI/CD components for GitLab, with integrations to Jira, Elastic Stack and OPA, using Python and Go and cloud platforms like Kubernetes, OpenShift and Azure.
Senior Software Engineer with Python and Go (f/m/x)
starszy specjalista / starsza specjalistka (senior) praca stacjonarna, praca zdalna, praca hybrydowa Podsumowanie oferty Dodatkowe informacje Specjalizacje: Siedziba firmy Sii Sp. z o.o. Królowej Jadwigi 43, Wilda,…
Senior Java Developer (Kafka) – Remote/Hybrid
Poznan IT poszukuje senior Java developera do pracy przy projekcie bankowym, skupionym na integracji systemów i rozwijaniu backendu REST API. Wymagane jest doświadczenie w Java 21+, Spring Boot 3, Hibernate i…
Java Backend Developer | Branża Bankowa
Mid/senior Java backend developer building a modern corporate e-banking platform for one of Poland's largest banks, in a hybrid model (~1 day/week from client office). Core stack: Java 11+, Spring Boot 3.5+, microservices with DDD/hexagonal architecture, REST/SOAP, Kafka, PostgreSQL/Oracle.
Senior Full-Stack Developer - AI-Driven Insurance Platform
Senior full-stack developer building and optimizing proprietary web systems for an AI-driven insurance platform, working hybrid from Poznań. Core stack: Java 21+/Spring Boot backend, Angular 22+ frontend, REST APIs, MongoDB/PostgreSQL, with TDD and SOLID architecture.
Java Developer (AI/LLM)
Senior Java Developer joining NATEK Polska to work on AI/LLM projects for a banking client: integrating LLMs into existing systems, building agentic workflows, automating the SDLC with tools like GitHub Copilot and Claude Code, and running AI workshops. Requires 8+ years of Java (Spring stack) and production LLM experience.
Senior Data Engineer - Hybrid Cloud Data Platform
Senior Data Engineer at summ-it s.a. designing and building hybrid cloud/on-premises data platforms: ETL/ELT pipelines, Data Warehouse, Data Lake and Lakehouse, with a focus on data quality. Core stack is SQL, Python, Microsoft Fabric and Azure; hybrid role with at least 4 days per month in the Poznań office.
Senior Data Engineer
Senior Data Engineer at summ-it in Poznań (hybrid, ~4 office days/month) who designs, builds and optimizes data platforms, ETL/ELT pipelines and Data Warehouse/Data Lake/Lakehouse solutions on Microsoft Azure, Fabric and SQL Server (SSIS/SSAS), in an expert hands-on role with no team management.
Senior Java Developer
Senior Java Developer building and maintaining banking sales systems, focusing on the backend, integrations with local and global banking systems, and keeping a coherent system architecture. Daily work spans Java, Spring, Python, Oracle, PostgreSQL, RabbitMQ and Kafka, plus development analyses, testing and technical documentation.
Software Engineer (Java)
Java developer building and maintaining corporate banking systems using Java, Spring Framework, and SQL. The role involves developing new features, ensuring system stability, and utilizing AI tools like GitHub Copilot for coding and testing.