894 backend developer English-speaking jobs in Kraków

role, you will bypass maintenance of legacy systems to design and develop high-scale, event-driven backend ... Core Responsibilities Architect and scale mission-critical backend services using Node.js and TypeScript

services to address identified architectural or performance issuesDevelop and maintain backend APIs ... development experienceStrong experience with NodeJS and modern backend frameworksCloud Infrastructure ... and enable efficient integration of new users and data sources.ResponsibilitiesAnalyze the existing backend ... team in evaluating the current data model, APIs, and data processing logicImplement improvements to backend ... and QA teams to maintain system reliability and performanceMandatory Skills Description5+ years of backend

We are currently seeking a Senior Backend Developer to join one of our clients ' team. ... Key Responsibilities: Design, develop, and maintain scalable backend services using Node.js Build and ... independent architectural decisions and drive technical solutions Requirements: Senior-level experience in backend

Minimum 3 years of commercial experience as a Backend Java Developer. ... Backend Java Developer  Working hours: 16:00–24:00 (CET) Work model: Mostly remote, with occasional ... Backend Java Developer  Working hours: 16:00–24:00 (CET) Work model: Mostly remote, with occasional ... Proven hands-on experience developing backend systems using Java (recent versions). ... ,(Design, develop, and deliver backend services in Java to production, aligned with a microservices-based

Role Overview We’re looking for a Backend Python Developer to take ownership of product development across ... backend systems. ... Backend Principles: Strong understanding of backend architecture principles and best practices for RESTful ... Mandatory Backend Expertise: Proven, in-depth experience with Python Database Proficiency: Strong experience ... Cross-Functional Collaboration: Work closely with cross-functional teams to ensure backend systems effectively

Step into RedStone – the fastest-growing blockchain startup – as a Backend Developer About Us RedStone ... As a Backend Engineer at RedStone , you’ll take ownership of core components powering our oracle infrastructure

, Backend Developer , or Integration Developer role Strong development experience in Python Good hands-on ... / front-office Requirements: 5 years of experience in software engineering, ideally in a Fullstack Developer ... across investment systems Project description: We are looking for an experienced Aladdin Fullstack Developer

We are looking for an experienced Full-Stack / Backend Developer to join our team and help build scalable ... Maintain and enhance existing backend and frontend applications. ... Knowledge of backend architecture and modern web applications. ... You will work on both backend and frontend solutions, contributing to product development, system improvements

a talented Backend Software Developer to join our Live Content team and help shape the future of Unity ... data storage design.Collaborate with other Unity teams globally to ensure a consistently excellent developer ... unity3d 18 April 2025Software Engineer Cloud Services DevOps Backend Development GolangWe are seeking ... performance and reliability at scale.What you will doDesign, develop, and maintain new and existing backend

For our Client we are looking for an experienced Java Developer to build, and maintain scalable backend ... 📍 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

Azure developer specializing in implementing Azure services (Data Factory, Functions, Event Hub, Service Bus) and developing Dynamics 365 plugins and workflows.

We are seeking a highly experienced Senior Java Developer with expertise in C++ to join our dynamic team ... You will contribute to the development of backend components, integration solutions, and services powering ... Responsibilities Design, develop, and maintain backend system components and services in adherence to

Backend Java Developer Working hours: 16:00–24:00 (CET) Work model: Mostly remote, with occasional office ... Requirements (must have): Minimum 3 years of commercial experience as a Backend Java Developer. ... Continuously improve backend development processes and engineering standards. ... Proven hands-on experience developing backend systems using Java (recent versions). ... Contribute to backend system architecture with a strong focus on scalability, performance, security,

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

Remote Type B2b /Employment contract Roles and Responsibilities A Java Tech Lead with a strong focus on backend ... with Principal Engineers, other Tech Leads, and the Head of Engineering to develop and maintain our backend

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

Improve performance, reliability, and API responsiveness with measurable results Build and enhance developer ... distributed systems knowledge Hands-on mindset: you write code, not just diagrams Experience using modern AI developer ... Kraków, Hybrid 3days/office OR remote Employment type : permanent - UoP Salary: up 30000zł/month Senior Backend ... Modernisation & AI Enablement You’ll join a small, senior team working hands-on to modernise critical backend ... smooth handover and long-term ownership Share best practices and mentor teams What You Bring 8 years of backend

Summary: The Senior .Net API Developer role focuses on developing and maintaining the Nordic commercial ... The primary goal is to lead initiatives in backend API development while maintaining high standards of ... Rate: 160-180 zł/day VAT Responsibilities: Design and implement new external partner REST APIs Lead backend ... standards Participate in agile ceremonies and technical discussions Key Requirements: Senior-level backend

In this role, you will work across the full technology stack, contributing to both backend and frontend

We obsess over backend quality because we're building the quality layer for AI itself. ... As a Backend Engineer at Shelf, you'll architect and build the distributed systems that make enterprise