3472 backend developer English-speaking jobs in Poland

cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.RoleSenior Backend ... Software Engineer will be responsible for architecting, developing, and maintaining the high-performance backend ... integrating cutting-edge blockchain technologies.ResponsibilitiesDesign, build, and maintain high-throughput backend

design, build, and optimize scalable features for a rapidly growing SaaS platform built on Laravel (backend

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

Expertise in Java and Web API development with a focus on scalable, secure backend services. ... , you will be working for our client, a major financial institution, focused on revolutionizing the developer ... Lead the team by improving current workflows and establishing new, more efficient processes to elevate developer

The role includes backend development, system integrations, API design, event-driven architecture, and ... responsibilities : Design, develop, and maintain scalable backend services using Java 21+ and Spring ... Jest pnpm Node.js TypeScript about-project : The Digital Domain team operates mission-critical BFF (Backend

moving from legacy patterns to modern architecture Strong background in platform engineering, developer ... The backend and frontend architecture becomes more modular, maintainable, and extensible. ... Deep expertise in Python backend development, with modern frameworks and best practices for scalable ... Lead system‑level design for backend services (Python), frontend architecture (Angular), APIs and integrations

Angular JavaScript TypeScript MongoDB AWS about-project : We are looking for a strong Senior Fullstack Developer ... responsibilities : design, develop, and maintain fullstack applications build and extend backend services

You will need to be proficient in backend and frontend development with a thorough understanding of the ... Strong backend and frontend skills where you can demonstrate your ability to apply these technologies ... React, Angular, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend ... and a frontend system written in React or Angular & TypeScript Design software architecture between backend

We are seeking an experienced Senior Java Cloud Native Developer with 10+ years of hands‑on experience ... You will work closely with architects and product teams to design, build, and scale highly resilient backend

We’re looking for a Java Developer to join our Payments Engineering team, working on the transition to ... Improve the codebase where you can—not just make it “work” What we’re looking for 4+ years building backend

This is more than coding—it’s about architecting a system that makes workflows effortless, developer ... workflows and tools within the team.requirements-expected :7+ years building and maintaining complex backend

This is more than coding—it’s about architecting a system that makes workflows effortless, developer ... workflows and tools within the team.requirements-expected :7+ years building and maintaining complex backend

Requirements2+ years of experience in backend development using JavaSpring Boot or Quarkus skillsSolid ... practices and performance tuningCommunicative GermanProject DescriptionWe are searching for a Camunda Developer

You’ll be hands-on with frontend and backend development across our React/TypeScript and NestJS/Node.js ... Leverage new and cutting-edge developer tools to enhance productivity and code quality. ... Role Overview As a Senior Software Engineer, you will serve as a senior full-stack developer for our

Solid understanding of backend web development with Node.js; relational databases (PostgreSQL preferred ... programming skills in TypeScript, JavaScript, and Node.js—with full-stack experience across frontend and backend ... Your responsibilities Collaborate with a global development team to build and support our internal developer ... Experience working with or building Internal Developer Portals (IDPs); experience building custom custom ... Passion for developer experience—you care about making other engineers' lives easier through great tooling

Join the Incogni engineering team and help us build the next-generation backend system that powers our ... We’re looking for a senior backend engineer who thinks in systems, designs for growth, and is comfortable ... Worked with multiple backend languages or ecosystems (for example, PHP, Go, Node.js, or others). ... If you want to: Design, build, and evolve high-traffic, business-critical backend services with a focus ... And you can check off: Strong experience as a backend or software engineer building production systems

FrameworkKubernetesGitOraclePostgreSQLJUnitSpocktechnologies-optional :Angularabout-project :As a Java/AI Developer ... You will contribute to transforming traditional workflows through cutting-edge backend development and ... technology.Unleash the future of claims management - revolutionize enterprise solutions with innovative backend

, or developer tools with Python. ... Desired Experience: Solid experience in backend development, ideally in building platforms, frameworks ... Selected Technologies: Backend: Python, FastAPI Databases: PostgreSQL, BigQuery GraphQL: Ariadne Messaging

We are looking for a motivated Junior Databricks Applications Developer to join our team and help build ... great opportunity for someone early in their career to gain hands‑on experience with data platforms, backend ... the development of data-driven applications within Databricks Apps Assist in building and maintaining backend

React.js JavaScript technologies-optional : OpenShift Kubernetes about-project : As a React Developer ... platforms Implement and integrate AI-powered features into web terminal UI Collaborate closely with backend ... of complex, data-driven frontend architectures and state management Experience working closely with backend