5974 backend developer English-speaking jobs in Poland

Responsibilities As a hands‑on developer, you will be responsible for use case review, planning, coding ... Scalable Integrations: Lead the design and implementation of seamless and secure communication with backend ... Architecture: Experience designing or influencing end‑to‑end system architecture, including frontend, backend

traffic, architectural complexity and regulatory demands without compromising stability, performance or developer ... design considerations.End-to-end ownership: You are comfortable owning features from infrastructure and backend ... architecture and take shared responsibility for the long-term health of the system.Technical SkillsStrong backend

Boot and modern backend frameworks experience working with relational databases, preferably PostgreSQL ... requirements-expected : strong experience in Java backend development (5+y) hands-on knowledge of Spring ... system integrations (REST and/or SOAP) ability to work across different technologies and system layers (backend-first

Boot and modern backend frameworks experience working with relational databases, preferably PostgreSQL ... requirements-expected : strong experience in Java backend development (5+y) hands-on knowledge of Spring ... system integrations (REST and/or SOAP) ability to work across different technologies and system layers (backend-first

What you’ll bring Experience designing secure, scalable, reliable backend systems. ... Demonstrable deep expertise with Node.js/Typescript or Go for backend development, or React for frontend ... do Contribute across the stack, bringing to bear your high calibre technical expertise in either Backend

Validate integrations with backend services and REST APIs. ... Connected fitness devices (Android-based) with embedded software and hardware integration, - Web and backend ... Warsaw responsibilities : Design, implement, and maintain automated tests for mobile, web, and/or backend

We’re looking for someone who will help build modern solutions for the e-commerce industry - from backend ... The project combines: high-performance backend systems modern user interfaces integrations with LLMs ... AI-driven features (including model communication, data processing, integrations) build and evolve backend ... We’re looking for someone who: has experience with NestJS and TypeScript understands API design and backend

Express.js with a focus on modularity, testability, and maintainability Mentor junior client teams on backend ... frameworks (e.g., Tailwind CSS) Experience implementing unit and integration tests in both frontend and backend ... client-side routing Strong TypeScript skills with strict typing and generics, applied in both frontend and backend

Oversee the development, optimization, and scalability of backend systems (priority focus). ... As CTO, you will spearhead our technological strategy, with a strong focus on backend systems, while ... Requirements Hard Skills Exceptional expertise in backend development, including modern frameworks,

for understanding, maintaining, and evolving the semantic layer of the system, working closely with backend ... workflows;Ensure consistency and correctness of semantic data across the platform;Collaborate with backend

We are seeking an experienced Java API Engineer to design, develop, and maintain scalable backend services ... You will Design, develop, and maintain backend services and RESTful APIs using Java 17 and Spring Boot

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... understanding of PySpark (3 years+).Hands‑on experience with Azure DevOps.Hands‑on experience with backend

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... scripts.Solid understanding of PySpark (3y+).Hands‑on experience with Azure DevOps.Hands‑on experience with backend

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... understanding of PySpark (3 years+).Hands‑on experience with Azure DevOps.Hands‑on experience with backend

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... Hands‑on experience with backend and API testing, including REST services, authentication, and data validation

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... Hands-on experience with backend and API testing, including REST services, authentication, and data validation

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... scripts.Solid understanding of PySpark (3y+).Hands‑on experience with Azure DevOps.Hands‑on experience with backend

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... Hands‑on experience with backend and API testing, including REST services, authentication, and data validation

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... Hands‑on experience with backend and API testing, including REST services, authentication, and data validation

This role will primarily focus on validating and monitoring data pipelines, ETL processes, and backend ... Hands‑on experience with backend and API testing, including REST services, authentication, and data validation