5947 backend developer English-speaking jobs in Poland

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

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

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.

Mar Tech tools, gradually expanding your profile toward a Marketing Automation and Personalization Developer ... driving both growth and smarter marketing through the best application of technology.,[As a Synerise Developer

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

We care deeply about our people and our mission to ensure no one is harmed by gambling.As a Software Developer

outcomes Executes, interprets and records test cases according to test plans (for both frontend and backend

Architect, build, and maintain a modern mobile application (iOS & Android) Collaborate closely with backend

experience with programming (university projects, personal projects, previous internships) Interest in backend

shifts) in a hybrid-working-model Requirements 1+ years of basic SAP-knowledge Basic knowledge about backend

multiple platforms.Build and maintain automated test suites to streamline CI/CD pipelines.Collaborate with backend

Bridge between backend AI systems and video editing software Translate AI outputs (analysis, tagging,

innovation and secure coding practices matterYou are eager to grow professionally in cybersecurity and backend

development of governed, reusable datasets aligned with business needs and data domains.Support APIs: Enable backend

in Computer Science or a related field 4–6 years of hands-on software development experience Strong backend

The platform consists of multiple cooperating application and infrastructure components, including: backend

API testing, E2E testing, backend and infrastructure testing, etc.)

, ML Monitoring setup required Experience with building and owning highly available, fault-tolerant backend