5908 backend developer English-speaking jobs in Poland

**Minimum Qualifications** 3+ years of experience in software engineering with a focus on backend, distributed

Android, Web and Desktop apps with a focus on efficiency and code reuseWork closely with our design and backend

Knowledge of modern backend and frontend web frameworks.

Our teams work with clients right across the stack; UX, UI design, frontend, backend, analytics, infrastructure

Confluence Wikis / documentation portals / internal knowledge bases Experience working with APIsand backend

rotaRequired Skills and ExperienceMust have experienceStrong programming skills with Go and Java for backend

performance, focusing on CPU/GPU usage, memorymanagement, and battery efficiency; collaborate closely with backend

API, and integration testing.Create reusable test scenarios and develop API test cases to validate backend

We help enterprises build reliable, scalable backend systems, including advanced MySQL database solutions

pitch tailored Java development services, and close deals that contribute to the growth of Pentoz’s backend

Process Automation Developer Nr ref.: 482/3/2026/AF/267843/jobs.pl Gdańsk (pomorskie) What we offer exciting

Senior Java Developer to build a centralized sales and trading platform. Experience with Java development, service integration (REST, grpc, MQ, Kafka), and distributed systems required. Proven knowledge of computer science concepts and Github Copilot experience necessary.

Senior Java Developer to build a centralized sales and trading platform. Experience with Java development, service integration (REST, grpc, MQ, Kafka), and distributed systems required. Proven knowledge of computer science concepts and Github Copilot experience necessary.

Senior Power Platform Developer will design, build, and test Power Platform solutions, gathering requirements and delivering quality applications for clients. Proven experience with Power Apps (Canvas) and Power Platform solution design, governance, and delivery is required.

performance, low latency interfaces for our end users.We are looking for an experienced Senior Frontend Developer

Senior React Native Developer will act as a technology consultant, drive development processes, and collaborate with global teams. Must have extensive JavaScript expertise, React.js and React Native skills, and 3+ years of mobile app development experience.

healthcare ecosystem and supporting large-scale patient-facing platforms, we are looking for a Senior .Net Developer

About the Role This project is suited for a Senior Python developer with deep functional testing experience

Senior Java Developer to build a centralized sales and trading platform. Experience with Java development, service integration (REST, grpc, MQ, Kafka), and distributed systems required. Proven knowledge of computer science concepts and Github Copilot experience necessary.

Senior Fullstack Developer – Your main tasks: Shape the overall system architecture and ensure alignment