191 backend developer English-speaking jobs in Katowice

About the Role We are looking for a Backend Developer to join the Supplier onboarding and Quote Management ... You will work on an existing Python/C# backend and create new services.

Join StorkJet as a Backend Developer and help shape the future of aviation!? ... DEVELOPER (Senior/Expert)Develop, implement, and manage APIs and related services to support a range ... something bigger and contribute to decreasing the CO² pollution of the air you breathe.We are looking for: BACKEND ... architecture, CI/CD processes, system optimization, customer onboarding, and more.5+ years of experience as a Backend

strong Python backend skills. ... You are A Frontend/Fullstack Developer with 2.5 years of experience, combining deep React expertise with ... strong proficiency in React and modern JavaScript/TypeScript Very strong proficiency in Python and backend ... scalable frontend applications with a focus on performance and user experience Build and maintain robust backend

Participate in backend architecture and technical decisions. ... Svitla Systems Inc. is looking for a Senior Node.js Developer with AWS for a full-time position (40 hours ... Responsibilities Develop and maintain backend services in Node.js. ... Requirements 4-5 years of experience as a Back End Developer with Node.js and NestJS (for complex services ... Understanding of data-heavy backend systems (aggregation, querying, performance).

The opportunity As a Senior Kotlin Backend Developer in Consulting, you will participate in various streams ... Your key responsibilities Work as a Senior Kotlin Backend Developer in creating a new application based ... Skills and attributes for success Excellent knowledge of Kotlin especially in the context of creating backend

Position Overview We are looking for a skilled AI Cloud Developer to join our team and support the design ... The ideal candidate has strong backend development skills in Python and Django , hands-on experience ... Roles and Responsibilities Design, develop, and maintain backend applications using Python and Django ... This role focuses on building scalable, secure, and automated solutions that combine backend engineering

with team members and support technical discussions Requirements 2.5–4 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 Develop and maintain backend applications using

Embark on a journey of continuous growth and advancement as a Mobile App Developer , becoming an integral ... performance, quality, and responsiveness across a wide range of devices Connect mobile apps to the backend ... automated tests (Unit and UI) to maintain high-quality standards Collaborate closely with designers, backend ... managers Work in a young, dynamic team responsible for the entire product ecosystem—from hardware to backend

We are currently seeking a talented Senior Golang Developer. ... Solid experience building backend systems and APIs in a production environment. ... B2B Contract Salary rate up to 34 EUR/h Fully remote position Start ASAP Develop and maintain backend ... We are also open to candidates with a Fullstack profile, particularly those who bring solid backend expertise

Then you should check out our Senior Python Backend Engineer opening as well . ... Lead Python Backend Engineer Browsing jobs can get boring, so let us convince you to actually apply for ... We’re continuously looking for backend engineers who want to work on cutting-edge Python-based systems ... Working at Reef in practice Reef Technologies is a fully remote Python backend software house. ... Lead Python Backend Engineer wanted Do you have at least 5 years of programming experience, including

We are looking for a Backend Tech Lead to join a strategic rewrite of a core platform module. ... The role combines technical leadership with hands-on backend development , helping redesign a legacy ... The Essentials We're Seeking 7 years of experience in backend or fullstack software development. ... Strong expertise in Java and Spring Boot , including designing modular backend services and REST APIs ... 170 - 190 PLN/h VAT ☑️ B2B contract Your Daily Missions Lead the design and development of backend services

platform, strengthening developer experience and productivity. ... Through your hands‑on contribution across frontend and backend, you help shape a modern, future‑ready ... will contribute to our Digital Solution Platform by developing and operating plugins for our Backstage developer ... development teams by encapsulating reusable functionality into stable, secure and high‑performance backend‑for‑frontend

About the role: The Full Stack Developer will have to ensure the delivery of quality software solutions ... At least 4 years' experience in software development Experience in backend technologies and building

security of applications at all times requirements-expected : Minimum 5 years of experience as a Java developer ... services Implement and optimize frontend and backend code for performance and scalability, ensuring ... robust RESTful APIs with Java and Spring technologies, ensuring smooth data flow between front and backend

Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You’ll work closely with product, design, and backend teams to translate intricate workflows into simple ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside

If you want to shape a developer tool from the early stages, this is it. ... Visualising model statistics and system load on top of a backend that actually does the deployment. ... Your daily work will be on the backend: adapting LiteLLM configuration as agent APIs (Claude Code, Codex ... What we expect in general: Strong Python skills with experience in backend frameworks such as FastAPI

About the role You will need to be an expert in backend development with a thorough understanding of ... Strong backend skills where you can demonstrate your ability to apply these technologies, as well as ... Deploying and maintaining microservices in AWS using Terraform Design software architecture between backend ... Node.js, REST APIs, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend ... that you develop Required qualifications: 5 years of production software development experience in backend

Work with backend developers to integrate frontend components with server-side logic. ... At least 5 years of experience as a frontend developer. Very good knowledge of HTML and JavaScript.

In this role, you will design and develop internal developer tools as well as automate testing and release ... Responsibilities Designing and implementing backend CLI tools and APIs in C# / .NET (latest versions) ... Expert knowledge of C# / .NET (latest versions) with hands-on experience in building CLI tools and backend

On the backend, our business logic relies on a robust, proprietary system supported by leading open‑source ... Responsibilities We are looking for a Java developer to help us build the best gambling site on the ... You as a developer will work closely together with the business side of the organization to develop and