1012 backend developer English-speaking jobs in Lesser Poland Voivodeship

Strong experience with Python and backend API development. ... Senior Python AI Developer Miejsce pracy: Kraków Technologies we use Expected Python FastAPI React Native ... Firestore Cloud SQL/PostgreSQL OpenAI / LLM APIs About the project We are looking for a Senior Python AI Developer ... Your responsibilities Developing backend APIs in Python with FastAPI, for document upload, asynchronous ... Connecting backend services, frontend applications, data workflows, and AI generated outputs into a reliable

exposure to modern mobile technologies flexible cooperation model (B2B) If you are an experienced iOS Developer ... services and APIs collaborate with backend and product teams ensure high code quality and follow best ... mobile applications implement new features based on business requirements integrate mobile apps with backend

Their developer experience is your responsibility. ... direction of our backend platform while remaining 100% hands-on in the code. ... About the role We're looking for a Senior Backend Architect with deep Go expertise to lead the technical ... Must-have 8 years of backend engineering experience, with 4 years shipping production Go. ... Set the architectural direction for the backend platform — service boundaries, communication patterns

Position overview We are seeking a highly skilled Full Stack Developer with deep expertise in Golang ... (backend) and React/TypeScript (frontend). ... Contribute to UI/UX improvements and ensure seamless integration between frontend and backend. ... Responsibilities Design, develop, and maintain backend services using Golang and frontend applications ... Requirements Strong, in-depth knowledge of Golang Experience delivering complex backend systems from

We are looking for a React Native Developer (Mid/Senior) with very strong knowledge of the React Native ... developing native applications for iOS and/or Android platforms (e.g., previous role as an iOS/Android Developer ... Development and maintenance of mobile applications in React Native / Flutter Cooperation with product, backend ... processes (e.g., Fastlane, GitHub Actions, EAS) Strong knowledge of TypeScript Experience integrating with backend

About the Role Join as a Senior Backend Developer (AdTech) to help build a next-generation advertising ... improvements; Drive architectural decisions and establish patterns that support scalability, reliability, and developer ... platform powered by scalable backend systems, real-time data processing, and distributed architectures ... MUST HAVES 5 years of software development experience building scalable systems (backend programming

must-have) Collaborate with developers, PMs, and designers Requirements 4–5 years of experience as a .NET Developer ... About the project You'll be working on backend systems within the energy and logistics domain , focusing ... Duration: ~3 months (with possible extension) Your role Design and develop backend applications using

Position overview We are looking for a Senior .NET Developer to work on a long-term Portfolio Management ... System that combines backend services, desktop applications, and system integrations. ... Project overview The project focuses on building and evolving a Portfolio Management System that includes backend ... Team You will work in a cross-functional team consisting of backend developers, desktop developers, QA ... VSTO, WPF, WCF, Win Services, ASP.NET , MS Azure, and TeamCity Responsibilities Design and develop backend

Kraków-based opportunity with hybrid work model As a Senior Java Developer – API & Microservices Expert ... Build robust backend solutions using Java and Kotlin, ensuring high performance and scalability.

React on the frontend and C# .NET Core on the backend. ... About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in ... stack applications using React, C#.NET Core, and supporting technologies. • Build high-performance backend

We are looking for Scala Developer on behalf of our client: Work mode: Remote Contract: B2B contract ... Remote work Tech stack: Scala React / Node AWS Kubernetes (K8S) Key responsibilities: Build and enhance backend ... onboarding of new technical resources by sharing best practices and tooling Requirements: Proven Scala/backend

Java Developer Miejsce pracy: Kraków Technologies we use Expected SQL AWS Java Spring Boot Spring Framework ... Our requirements Minimum 3 years of experience in backend development with Java. ... You will work on backend services supporting pharmaceutical companies in analysing potential adverse ... Your responsibilities Design, develop, and maintain backend services built with Java, Spring, Spring

Position overview As a Senior Backend Engineer you will design, build, and maintain core backend integrations ... Responsibilities Design, build, and maintain backend integrations with Hotel PMS and hospitality platforms ... platform and strong domain knowledge of hotel distribution, combined with solid experience operating backend ... Experience with hospitality APIs and reconciling state across event-driven and polling systems. 5 years as Backend

Previous experience building internal AI platforms or developer tooling. ... Backend & Architecture: Strong understanding of backend systems, APIs, database management (Postgres) ... Exposure to Kotlin and building/maintaining Kotlin backend services. ... Scale Backend Infrastructure: Deploy containerized ML services using Kubernetes on GCP, integrating them ... Technologies: Work seamlessly in a polyglot environment, bridging Python-based ML services with Kotlin backend

Requirements Backend Expertise : Solid experience with Node.js and NestJS in backend development. ... As a developer, you will have a direct impact on the product's architecture, building a scalable SaaS

Take ownership of full-cycle development, building secure and low-latency backend communication paths ... Senior Full-Stack Developer – Cloud Integration and Microservices Miejsce pracy: Kraków Technologies ... NET GCP Java Python Application Insights Azure Service Bus About the project As a Senior Full-Stack Developer

Our requirements 5 years as a Backend Developer, including 3 years with Golang. ... Senior Golang Developer Miejsce pracy: Kraków Technologies we use Expected SQL Docker Kubernetes Golang ... Terraform NewRelic DataDog Kafka Operating system Linux About the project We’re looking for a Senior Golang Developer

Drive automation initiatives to improve developer productivity and operational efficiency. ... Broad full-stack understanding with backend specialization. ... Contribute to event-driven architectures and highly concurrent backend systems. ... Experience building production-grade backend services and distributed systems. ... Stay up to date with modern backend and cloud technologies, sharing knowledge across teams.

Drive automation initiatives to improve developer productivity and operational efficiency. ... Broad full-stack understanding with backend specialization. ... Contribute to event-driven architectures and highly concurrent backend systems. ... Experience building production-grade backend services and distributed systems. ... Stay up to date with modern backend and cloud technologies, sharing knowledge across teams.

We are looking for a Senior Python AI Developer to build and scale an AI driven product platform in a ... ・Strong experience with Python and backend API development. ... ・Connecting backend services, frontend applications, data workflows, and AI generated outputs into a ... Your responsibilities: ・Developing backend APIs in Python with FastAPI , for document upload, asynchronous