1390 backend developer English-speaking jobs in Kraków
Senior Python Developer - Freelance - Scheduling Platform project
- Netguru
- Kraków
- November 29
Deploy, monitor, and optimize backend services in GCP. ... Focus) Technology Stack: Python backend with PostgreSQL (or other relational databases). ... Requirements Tasks & Responsibilities Develop and maintain backend services in Python. ... Experience with Pytest for backend testing. Knowledge of cloud solutions , preferably GCP . ... Start date: ASAP, project at least till January 2026 Rate: up to 145 PLN/h ( VAT) Project Information (Backend
Senior Front End Engineer
- IG Group
- Kraków
- November 17
data streams and high-frequency trading operationsCollaborate with cross-functional teams including backend ... We're seeking a Senior React Native Developer to architect and deliver cutting-edge mobile trading ... Proven ability to work in agile, cross-functional teams and driving technical excellenceQuality-Focused Developer ... applications that handle complex financial data and real-time market updatesPerformance Optimization Expert: A developer
NET Developer Fullstack Developer React NET
- emagine Polska
- Kraków
- November 13
Role: .NET Developer / Fullstack Developer (React .NET) Location : Remotely (from Poland) Rate: up to ... 135 pln/h netvat (B2B) We are looking for an experienced Fullstack (React.NET) cloud or .NET Developer
Kotlin Multiplatform Developer
- Andersen Lab
- Kraków
- November 27
SummaryAndersen, an international IT company, invites a Kotlin Multiplatform Developer (IoT & Mobile) ... Firebase services, including Authentication, Firestore, Messaging, and Crashlytics.Collaborating with backend
Java Developer
- Brown Brothers Harriman
- Kraków
- November 12
Will IncludeDesign and develop Java code using both frontend technologies (preferably Angular) and backend ... Harriman is currently recruitingJava Developer.Brown Brothers Harriman (BBH) is looking for an Java developer ... Work WithJavaSpring BootAgile Frameworks (Scrum, Kanban)JiraConfluenceIntelliJBash (Unix, Linux)SQL Developer
Senior Backend Software Engineer Java
- SmartRecruiters Inc.
- Kraków
- December 4
Job Description We are looking for a Senior Backend Engineer to help us build the next chapter of that ... Build services with Java / Node.js (Express, Nest.js) on top of Kubernetes/AWS infrastructure Build developer-friendly
Software Architect Nodejs - Freelance
- Netguru
- Kraków
- November 29
developer Experience with Azure (but not mandatory, can work with AWS or GCP) Ability to lead a team ... Experience with TypeScript (and Node setup) Fluency in English At least 5 years of experience as a backend
Senior Front-End Developer React Native
- Efigence S.A.
- Kraków
- November 21
exciting travel opportunities to Riyadh, Saudi Arabia We are looking for an experienced Senior Front-End Developer ... API Integration: Integrate with backend services using RESTful while ensuring smooth data flow and synchronization
NET WinForms Developer
- CSHARK
- Kraków
- November 18
We are looking for an experienced .NET WinForms Developer to join the frontend engineering team and help ... Collaborate with backend engineers (C++ systems) to maintain low-latency TCP/socket communication .
Senior Java Developer – Software Engineer
- STATE STREET BANK INTERNATIONAL GMBH
- Kraków, małopolskie
- November 12
Senior Java Developer – Software Engineer Miejsce pracy: Kraków Technologies we use Expected SQL Kafka ... Your responsibilities Design and develop backend services in Java and frontend components in React.
Senior Software Engineer – Backend (Product Intelligence) @ Tesco Technology
- Tesco Technology
- Krakow
- October 14
Java Developer with Kafka
- Eviden
- Kraków
- November 12
We are looking for an experienced Java Developer with Kafka .
DevOps Engineer
- Caspian One
- Kraków
- November 23
This role bridges backend engineering and cloud operations, requiring someone who can work across modern ... Development Design, develop, and maintain robust backend services using Java Work with modern frameworks ... optimize workloads on Unix/Linux systems Develop automation tools and scripts using Python and Shell/Bash Backend
Manual QA Engineer Wed–Sun 16:00–24:00
- RemoDevs
- Kraków
- November 16
This role focuses on ensuring the quality of backend systems, API integrations, and front-end solutions ... Responsibilities: Perform manual testing for web systems, backend services, and API integrations Develop ... validation, chaining requests, andexperience with tools like Postman or Swagger Experience testing backend
Senior Backend Engineer nodejs Golang AWS
- Spyrosoft
- Kraków
- November 17
Collaborate with frontend developers working with Angular and backend teams using NestJS. ... About the Role We are looking for an experienced and independent Senior Backend Engineer to join our ... Key Responsibilities Design, develop, and maintain microservices-based backend systems using Node.js, ... Requirements 5 years of experience in backend development, preferably in a microservices architecture ... In this role, you will design, build, and maintain scalable microservices using modern backend technologies
Senior Python Back-End Engineer with Gen AI experience
- N-iX
- Kraków
- November 12
We’re looking for a backend-focused software engineer with a strong interest in applied AI to help us ... Responsibilities: Design and implement backend services that integrate LLM APIs (e.g., OpenAI, Claude ... or platform engineer Strong skills in Python, TypeScript/Node.js, or similar backend stack Hands-on ... and documentation for reusability across product teams Requirements: 3 - 5 years of experience as a backend
Senior Backend Engineer - Product growth
- Cloudinary
- Kraków
- December 7
As a Senior Backend Engineer , you’ll play a key role in shaping and implementing growth-oriented experiments ... Build and maintain backend systems and APIs that power growth experiments across onboarding, activation ... What We’re Looking For: 5 years of backend development experience , preferably in Ruby on Rails within ... Team lead insights I’m looking for a strong backend engineer who loves solving challenges and experimenting ... Develop and own new backend endpoints supporting personalized onboarding, user profiling, and data-driven
Fullstack React & Node Developer
- Codepole
- Kraków
- November 12
Remote Fullstack Developer Join Codepole as a Fullstack Developer and work with clients such as Scania ... It is a very interesting long term project that gives an opportunity to grow as a developer and manage
Senior LLM Developer
- Smartbrain
- Kraków
- November 17
to interviews using AI, NLP/LLM chatbots, and other advanced ML solutions.About the Role:As a Python Backend ... Bachelor's degree in Computer Science or equivalent experiencePython 5+ years, with experience in backend
Lead Full-Stack Engineer NetReact
- N-iX
- Kraków
- November 12
Strong experience with modular backend frameworks. ... Guide technical decisions across backend and frontend. ... Deep understanding of full-stack development and frontend/backend integration.

















































