5947 backend developer English-speaking jobs in Poland

personalized, and motivating experience that seamlessly integrates into every user's journey, from backend

problem‑solving and analytical skills Demonstrated ability to design, deploy, and manage scalable backend

and custom scripts to automate complex stateful operations, managing and optimizing performance for backend

AI, and a basic understanding of MCP or Agent-to-Agent interoperability* Familiarity with web-stack backend

API Testing: Strong experience in backend and API testing using tools such as Postman, RestAssured or

platforms Offer recommendations to improve performance, scalability, and reliability Design and develop backend

problem‑solving and analytical skills Demonstrated ability to design, deploy, and manage scalable backend

Experience with C Job responsibilities Code Development Documentation Test Step Creation Working on backend

We are looking to add an experienced React Native Developer who is looking to join a highly talented

Senior C#/.NET Developer to design and develop applications for fixed income trading processes. Requires 6-7 years of experience in system architecture, software application development, and data/message transfer and processing. Must be proficient in C#/.NET and possess strong problem-solving and communication skills.

Develop and implement BI solutions leveraging SAP technology stack. Design and build data processing within SAP Datasphere or BW4HANA, including data loading from various sources. Create and enhance SAP Analytics Cloud Stories. Model Calculation Views on SAP HANA and develop HANA scripts. Consult in SAP Data & Analytics area and prepare workshops and training sessions.

Android Engineer to design and deliver medical-grade Android apps and SDKs in Kotlin and Java. Focus on internationalization and localization for multiple markets. Implement features end to end, adapt UI and accessibility, and collaborate with QA, Regulatory, and Product.

Develop and design visually stunning, responsive WordPress websites. Implement themes, plugins, and front-end components with pixel-perfect precision. Collaborate with designers and back-end developers to ensure seamless integrations and efficient workflows. Troubleshoot, test, and maintain core product software.

Android Engineer to design and deliver medical-grade Android apps and SDKs in Kotlin and Java. Implement features end to end, adapt UI and accessibility across locales, and collaborate with QA, Regulatory, and Product.

Senior C#/.NET Developer to design and develop applications for fixed income trading processes. Requires 6-7 years of experience in system architecture, software application development, and data/message transfer and processing. Must have strong C#/.NET skills and a solid understanding of computer science, math, and coding. Familiarity with banking, ideally fixed income, is a plus.

About the Role As a C# Developer, you will design, develop, and maintain Veeam’s internal automated testing

practices.Take part in code reviews and CI/CD processes.Key responsibilitiesE experienceas an Android Developer

Summer Trainee program in Krakow for 3 months (July-September). Develop new features, internal tools, and test frameworks in C++. Must have C++ knowledge, object-oriented design understanding, and a GitHub profile with projects.

Develop and maintain web applications using Vue.js and Laravel. Design and manage databases, develop RESTful APIs, and integrate with NetSapiens UCaaS platform. Troubleshoot technical issues and implement third-party API integrations.

We work at the interface of hardware and software, so the ideal candidate is a Python developer with