1235 backend developer English-speaking jobs in Kraków

Senior Java Developer Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) B2B Contract ... : 190 – 230 PLN / hour We are looking for a proactive Senior Java Developer to join an international ... Requirements: 5 years of experience in Java backend development (Java 11). ... Key Responsibilities: Design and develop backend services and microservices in Java. ... Agile team building high‑performance backend solutions for trading and risk‑related systems.

ABOUT THE ROLE We are looking for a Full Stack Developer to build and integrate LLM‑powered features ... across frontend and backend systems. ... You will develop React components, extend Python backend services, and work directly with LLM APIs to ... and AI workflows; Build and maintain React‑based frontend components; Develop and extend Python backend ... and component‑driven development; 1+ year of experience with Python , including API development and backend

insurance systems Strong knowledge of Java and backend development Experience with REST APIs and system ... Insurance Platform Implement and customize modules such as PolicyCore, BillingCore and ClaimCore Develop backend ... or EIS Developer Hands-on experience with EIS Digital Insurance Platform Experience working with core ... PolicyCore, BillingCore, ClaimCore), REST APIs Requirements: Strong commercial experience as a Java Developer ... client-facing projects German language skills Project description: We are looking for an experienced EIS Senior Developer

For our Client we are looking for an experienced Java Developer to build, and maintain scalable backend ... / B2B] Project for our Client from the financial sector Key Responsibilities: Develop and maintain backend ... cross-functional teams to deliver end-to-end solutions Requirements: 5 years of commercial experience in backend

Position overview In this role, you will improve and maintain existing backend services written in Go ... Responsibilities Maintain and improve existing backend services written in Go Design schemas, optimize ... queries, and manage safe database migrations in PostgreSQL Develop backend logic and agentic components ... , and infrastructure components Requirements Experience developing backend services using Go Experience ... This position provides opportunities to influence backend architecture and extend the platform with scalable

Full-Stack Developer (Python / React) Location: Kraków, Poland Work Model: Hybrid (6 days per month in ... team and support the development and maintenance of modern backend and frontend applications. ... Key Responsibilities Design, develop, and maintain backend services using Python (FastAPI) Build ... the office) About the Role We are looking for an experienced Full-Stack Developer to join our enterprise ... to join our enterprise team and support the development and maintenance of modern backend and frontend

Full-Stack Developer (Python / React) Location: Kraków, Poland Work Model: Hybrid (6 days per month in ... team and support the development and maintenance of modern backend and frontend applications. ... the office) About the Role We are looking for an experienced Full-Stack Developer to join our enterprise ... Key Responsibilities Design, develop, and maintain backend services using Python (FastAPI) Build and

low-code platform, working across APIs, integrations, and backend systems built on Java and Spring Boot ... in a geographically and culturally diverse environment Develop and optimize APIs, integrations, and backend ... About the Role We are looking for a Senior Java Developer to design, build, and improve a widely used ... developing new and modernizing existing software systems 4+ years of experience as a hands-on Java developer ... migrating from old versions of SpringBoot and Hibernate 2+ years of experience as a hands-on Front End developer

We are seeking an experienced Senior Java Developer with strong expertise in Apache Kafka to join our ... role, you will be responsible for designing, developing, and maintaining high-performance, scalable backend

Responsibilities : Drive developer experience initiatives that improve team velocity Implement backend ... N-iX is looking for a Senior Backend Engineer to join our team. ... Together with the client’s team, you’ll be building a next-generation cloud-based security platform as a backend ... This role focuses on improving infrastructure and backend systems to help the team ship faster and more ... Strong understanding of backend architecture and distributed systems Strong communication skills and

We are seeking a highly skilled Senior Java Developer with expertise in React to enhance and modernize ... This role involves working on the development and optimization of backend systems while contributing ... Responsibilities Design and implement robust backend services using Java Leverage modern frameworks like ... ensure scalable and secure application development Requirements At least 5 years of experience in Java backend

As Senior Backend Developer (.NET), you join a team of talented engineers and developers working together ... Requirements: 6 years of experience in backend development, with a strong focus on .NET using C#. ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Design and implement scalable and high-performance solutions using C#/.NET and other modern backend technologies

We are looking for a Senior Java Developer to join our team in Poland and contribute to the development ... Requirements 5 -15 years of professional backend development experience. ... Design and develop backend architecture for fintech products and platforms. ... Proven experience building and maintaining backend services and APIs at scale. ... Participate in code reviews and continuously improve backend quality and engineering standards.

As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Requirements: 6 years of experience in backend development, with a strong focus on Node.js & TypeScript ... Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies

As Backend Developer (Node.js), you join a team of talented engineers and developers working together ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Requirements: 3 years of experience in backend development, with a strong focus on Node.js & TypeScript ... Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies

As Senior Backend Developer (Node.js), you join a team of talented engineers and developers working together ... Key Responsibilities: Develop, optimize, and maintain backend services and APIs that power our logistics ... Requirements: 6 years of experience in backend development, with a strong focus on Node.js & TypeScript ... Design and implement scalable and high-performance solutions using Node.js and other modern backend technologies

contribute to engineering best practices and technical excellence. - Drive automation initiatives to improve developer ... contribute to engineering best practices and technical excellence. - Drive automation initiatives to improve developer ... Broad full-stack understanding with backend specialization. ... Experience building production-grade backend services and distributed systems. ... Key responsibilities: - Design, develop and maintain secure, scalable backend services using Python,

You are A seasoned backend developer with at least 4 years of experience in Node.js and TypeScript. ... Your impact zone Design, develop, and maintain backend services in Node.js and TypeScript Build and scale ... reviews, and tech discussions Key responsibilities Collaborate with the team on designing scalable backend ... years of experience in Node.js, JavaScript/TypeScript Strong command of Express.js, REST APIs, and backend

We are looking for a Python Developer who will develop scalable backend services using Python 3.13 and ... We are looking for a Python Developer who will develop scalable backend services using Python 3.13 and ... Requirements: Backend, Python, FastAPI, Azure, CI/CD, Flask, Django, Redis Tools: Agile, Scrum.

, and developer productivity across multiple agile teams. ... , and developer productivity across multiple agile teams. ... Exposure to Zero Trust security models Experience building security-focused platforms or internal developer ... services Experience designing scalable backend systems and distributed architectures Hands-on experience ... You’ll work in a hands-on engineering role, contributing to backend services that improve security, reliability