2362 backend developer English-speaking jobs in Poland

financial institution – we are looking for an experienced specialist for the position of Senior C# Developer

We are looking for an experienced Senior Salesforce Developer to join our international team. ... Knowledge of CI/CD pipelines, version control and GitHub Salesforce certifications such as: Platform Developer

Position We are currently looking for a candidate for the position of SAP ABAP Developer for our client

As a Senior Software Developer, you will work on international customer projects based on our in‑house

Senior Front-End Engineer needed to build scalable web applications using React and TypeScript. Responsibilities include developing UI components, contributing to architecture, and ensuring high code quality in an Agile environment.

Middle C# Developer role involving C# and C++/CLI. Requires knowledge of the Windows platform, data structures, and algorithms. Experience with public clouds or mass market product development is an advantage.

Develop and maintain Python components for the credit risk model lifecycle. Re-engineer SAS models to Python, implement production models, and optimize code for efficiency. Requires 3+ years of experience and strong Python proficiency.

Frontend Developer needed to develop and maintain the new Vue.js/Typescript user interface for PRTG. Requires 5+ years of experience with HTML, CSS, JavaScript frameworks, and complex SPAs.

in projects that combine technology, customer experience, and business value Gain exposure to both backend

Develop full-stack agentic systems using Python, Java Spring Boot, and TypeScript/Angular. Industrialize AI prototypes on Azure AI Foundry, building RAG pipelines and integrating tools. Requires 5+ years shipping LLM systems with expertise in Azure PaaS and evaluation.

Develop and maintain server-side Java applications for trading platforms using Spring and Spring Boot. Optimize performance for low latency in real-time trading environments. Requires 5+ years of Java experience and knowledge of DevOps and databases.

Develop server-side Java applications for FX trading systems. Design and build robust, scalable distributed systems. Requires 5+ years in Java development, proficiency in multi-threaded programming, and knowledge of Kafka, Spring, and Spring Boot.

leveraging AI coding assistants to optimize development workflows.Salesforce Certifications (e.g., Platform Developer

Seeking a C++ systems engineer to design, implement, and optimize GPU-style kernels for AI workloads. Focus on performance, concurrency, and low-level software development for next-generation AI compute.

Java Developer for Risk Management Platforms. Requires 5+ years of modern Java experience with Spring Boot and Microservices. Involves full development lifecycle, design, and supporting a common risk platform.

Poland (hybrid) Full-time 5+ years PLN 24,000–32,000 gross (B2B negotiable)We are hiring a Senior Java Developer

development of its IT environment, we are currently looking for an experienced SAP ABAP / SAP Fiori Developer

Experienced Xamarin Native Developer sought to contribute to mobile applications for sports performance analysis. Must have strong C# skills and experience designing and executing mobile app projects. Experience with OOD, Agile Development, Scrum, Unit Testing, Design Patterns, and Continuous Integration is beneficial.

learning, and making a real impact for some of the world’s biggest brands.About the RoleAs a Software Developer

Develop and maintain frontend applications using Vue.js and React. Collaborate on the design system and ensure component and visual testing coverage. Improve CI/CD pipelines. Requires 5+ years of experience with Vue.js, React, or similar frameworks.