1670 backend developer English-speaking jobs in Kraków

and design exploration Apply sound judgment to AI-generated output Improve reliability, testing, and developer ... strategy and long-term roadmap for core platform services Design high-concurrency, low-latency APIs and backend

Responsibilities: Design, develop, and maintain backend solutions using C# / .NET; Work with complex ... large enterprise systems and/or SaaS platforms; Experience playing a key role in projects (e.g. key developer

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

You will join a high-performing team of software engineers, with the ability to work on the backend or ... full stack, but primarily working on the backend, and taking responsibility for implementing a range ... Responsibilities Design and implement clean, modular, scalable, and testable code for the Java backend ... Conducting performance analysis and profiling for backend systems and databases, ensuring the system’ ... Required skills and qualifications 5 years of hands-on backend software development, with an in-depth

Integrating React Native with the native Android layer (native modules, bridge) Collaborating with backend ... strong technical expertise and wants to remain hands‑on Can combine the roles of architect, mentor, and developer

We are looking for a Senior Frontend Developer (React/TypeScript) for our client, based in Kraków and ... Integrate front‑end with secure backend APIs; ensure state management, caching and error handling are

The Role We are looking for an experienced C# .NET Developer (FULL STACK) who will be responsible for ... Responsibilities Implementing solutions in a .NET environment using C# for both frontend and backend

Project descriptionWe are looking for a Senior Java Developer to help design and build a cutting-edge ... You will be responsible for architecting, developing, and optimizing core backend functionalities while

Build a new microservices system for eSim product, create features for personalization, A/B testing, and analytics. Develop and maintain code, mentor colleagues, and collaborate with cross-functional teams. Requires 4+ years Go experience, system design knowledge, and experience with K8s, SQL, NoSQL, and Kafka. Passion for building APIs and a strong product mindset are essential.

Backend Engineer will collaborate with cross-functional teams to integrate microservices across NordSecurity's products. Focus on delivering high-quality, scalable, and secure code. Requires in-depth PHP knowledge (3+ years), experience with AI tools, and understanding of system design, OOP, and CI/CD principles.

Domain-Driven Design principles and know what patterns to use when and whyPassionate about secure, compliant backend

Build and maintain APIs that are intuitive and developer‑friendly.

Collaborate with cross-functional teams, including product managers, designers, and backend engineers ... We are seeking an experienced and highly skilled Senior Frontend Developer to join our dev team. ... As a Senior Developer, you will be expected to contribute to all phases of the software development lifecycle

will have the opportunity to work on cloud-native applications, containerized services, and scalable backend ... that support a rapidly expanding product portfolio and increasing performance expectations.As a senior developer ... engineering, automation and robotics, mechatronics, physics, at least 6 years of experience as software developer

CMS ecosystemBuild and evolve secure, high-performance e-commerce featuresCollaborate closely with Backend ... Tech Lead / Senior Full-stack Developer – E-commerce SolutionsAre you an experienced technical leader ... We are currently recruiting a Tech Lead / Senior Full-stack Developer for one of our clients in the healthcare

We are excited to announce an opening for a Tech Leade Full-Stack developer. ... our ecological goals.Job DescriptionLead the design, development, and maintenance of comprehensive backend

Responsibilities Required qualifications: Minimum 5 years of backend development experience, preferably ... , .NET Core, Entity Framework Core Building and optimizing high-load, high-performance, data-driven backend ... within the hedge fund or financial services industry Strong passion for backend architecture and application

We are currently seeking a Senior Backend Solution Architect (.NET) to join our team.

Revvity is seeking a highly skilled Full Stack Developer for a 12‑month contingent engagement to support ... Build backend services in Python using Django, including authentication, security best practices, and

An exceptional opportunity has come up for a skilled and ambitious Senior PHP Developer (with solid Magento ... and implement scalable, maintainable Magento modules and integrationsCollaborate with frontend and backend