6813 backend developer English-speaking jobs in Poland

Senior Java Developer needed for a global FinTech company. Develop Java microservices using Micronaut, deployed on Rancher (Kubernetes). Strong experience in building scalable, high-performance systems is required. Collaborate in a Scrum environment with a focus on team communication and project delivery.

Senior Java Developer will design, develop, and maintain cloud-based software applications. Requires 5+ years of Java and Spring Boot proficiency, experience with AWS cloud services, Docker, and databases like PostgreSQL and DocumentDB. Must have knowledge of event-driven architectures (Kafka), Infrastructure as Code (CloudFormation), CI/CD processes, and strong problem-solving skills.

UI/ UX developer and TDD/ BDD approaches with extended OOP/ clean practices on the board.

Senior Java Developer needed for a global investment bank. Design, develop, and maintain high-performance Java applications with a focus on core Java and concurrency. 10+ years of strong core Java skills, including multithreading and concurrency, and prior experience in banking or financial services required.

Designs, implements, and estimates technical solutions for applications. Collaborates with stakeholders on requirements, processes, and architecture. Recommends IT standards and practices. Participates in code reviews and knowledge sharing.

Senior JavaScript Developer will utilize OpenFin APIs to create and optimize application windows and integrations. Responsibilities include implementing FDC3 protocols, debugging, and performance optimization in complex, real-time environments. Requires hands-on experience with OpenFin APIs, FDC3 standards, ReactJS, and strong debugging and communication skills.

Senior Java Developer needed for a leading international investment bank. Develop and maintain high-performance Java server-side components for electronic trading platforms. Requires 10+ years of Core Java experience, previous experience with trading platforms, and strong communication skills.

Senior JavaScript Developer will utilize OpenFin APIs to create and optimize application windows and integrations. Responsibilities include implementing FDC3 protocols, debugging, and performance optimization in complex, real-time environments. Requires hands-on experience with OpenFin APIs, FDC3 standards, ReactJS, and strong debugging and communication skills.

Designs, implements, and estimates technical solutions for applications. Collaborates with stakeholders on requirements, processes, and architecture. Recommends IT standards and practices. Participates in code reviews and knowledge sharing.

Senior Java Developer with 5+ years of experience in Java development and Oracle DB. Expertise in Agile Scrum, Maven, Jenkins, Git, and clean code practices. Strong knowledge of Capital Markets and/or FX, JMS, Soap, REST, and JSON/XML.

Senior Node.js Developer 📍 Location: Remote/Warsaw Office (as you wish) 💰 Salary (PLN): 16 000

Designs, implements, and estimates technical solutions for applications. Collaborates with stakeholders on requirements, processes, and architecture. Recommends IT standards and practices. Participates in code reviews and knowledge sharing.

This role is designed for a developer who excels at the intersection of high‑level logic and low‑level

Senior Java Full Stack Developer page is loaded## Senior Java Full Stack Developerlocations: Krakowtime ... **Senior** **Java full stack Developer** should possess **minimum of 7 to 9 years** of overall development ... a child up to 4 years old****Corporate Solutions team** is looking for talented and self-motivating developer

What You’ll Do Take full ownership of backend feature development using Golang, from design through ... Computer Science or related technical field (or equivalent practical experience) 3+ years of experience in backend

What You’ll Do Take full ownership of backend feature development using Golang, from design through ... Computer Science or related technical field (or equivalent practical experience) 3+ years of experience in backend

What You’ll Do Write clean, production‑grade Python across AI integrations, backend services, and RESTful ... a trusted technical advisor What You’ll Bring Mindset Full‑stack mindset, comfortable across AI, backend

Responsibilities: Designing and maintaining a scalable, low-latency backend platform and microservice ... Solid experience with gRPC, REST APIs, and backend testing strategies, ensuring robust service-to-service

Shape API contracts together with backend engineers to ensure seamless data flow. ... You’ll be making core architectural decisions, shaping API contracts with the backend team, and ensuring

Shape API contracts together with backend engineers to ensure seamless data flow. ... You’ll be making core architectural decisions, shaping API contracts with the backend team, and ensuring