8532 backend developer English-speaking jobs in Poland

About the role As a Backend Engineer in our Validator Team, you’ll focus on maintaining and enhancing

Write and maintain technical documentation for backend systems and integrations. ... Test, debug, and optimize backend applications to ensure stability and responsiveness. ... Role Overview We are seeking an experienced Backend Engineer with a strong background in fintech and ... Key Responsibilities Design, develop, and maintain scalable backend solutions for CFD, FX, and crypto ... Qualifications & Skills 5+ years of experience in backend development, proficient in Java Spring Boot

business.What you’ll doDesign, develop, and maintain scalable, high‑performance C#/.NET Core APIs and backend ... requiredBachelor’s degree in computer science, engineering, or a related field.10+ years of experience in backend

We are looking for a developer who finds satisfaction in architecting high-performance solutions, optimizing ... system reliability, and creating efficient backend services that handle complex document processing ... Your Role at Nutrient We're looking for someone passionate about building robust and scalable backend ... What You’ll Bring have experience in backend services and distributed systems know how to code — it

Requirements Several years of experience as a software developer. Experience as a team manager. ... Technologies We Work With Backend: Microservices mainly in Java 17+ with Micronaut . ... Our team is multi-skilled and delivers complete solutions - including analysis, architecture, backend ... On the backend, we use Micronaut, Reactor, gRPC in a Kubernetes/Rancher environment, while frontend technologies

Role Overview As a Frontend Developer, you will play a pivotal role in the design, development, and maintenance ... Qualifications Bachelor’s degree in Computer Science or related field, plus 5 years professional backend ... development experience; or Master’s degree in Computer Science or related field, plus 3 years professional backend ... enterprise environments Experience working in Agile teams (Scrum/Kanban) Nice To Have Experience with Java backend

The project focuses on building and evolving a set of mission-critical backend services that support ... Responsibilities Design, develop, and maintain enterprise-grade backend services using Java 11+ and

AWS Certified Solutions Architect or Developer. ... The Role We’re looking for a Senior Backend Engineer who’s fluent in TypeScript/Node.js and excited to ... You’ll lead the buildout of the core backend and infrastructure behind our multi‑chain platform—powering ... Experience What We’re Looking For Minimum of 6 years in backend development, with at least 2+ years ... This role blends hands‑on backend engineering with Web3‑native systems work: integrating across EVM chains

Job Description We are seeking a versatile Full-Stack Developer with strong backend foundations to join ... This isn't a typical backend position. ... Maintain and enhance our user accounts backend APIs. ... You will primarily work with Kotlin/Java on the backend and TypeScript on the frontend, with significant ... Tech Stack Backend Kotlin, Java Spring Webflux, Kotlin Coroutines RSocket PostgreSQL (mostly R2DBC or

Project Description We 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

Expert‑level Python developer (5+ years) with strong knowledge of TensorFlow, PyTorch, Scikit‑learn, ... Experience with scalable ML infrastructure and backend engineering (API design, cloud integrations, ML

We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ... Engineering, or a related field Proven experience as a Software Engineer with a significant focus on backend

Strong proficiency in Java, Spring, and Hibernate for backend development Knowledge of caching and indexing ... We are seeking a highly skilled Senior Java Developer to join our team. ... As a Java Developer, you will be responsible for designing, developing, and maintaining high-quality ... least 3 years of relevant experience in software development Proven commercial experience as a Java Developer

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

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

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

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

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

We are currently looking for a Senior FullStack .NET Developer for our client—a fast-growing US-based ... Requirements Backend Expertise: 5 years of experience in .NET (.NET 6/8) and C#. ... You will bridge the gap between robust, high-scale backend services and modern, highly interactive user

About the Project We are looking for Python Developer (with the knowledge of Spark) who will lead a critical ... MongoDB and SQL (PostgreSQL) High proficiency in Spark and Python is required to navigate the existing backend ... Expectations At least 3 years of experience as a Software Engineer, with a minimum of 2 years focused on Backend