54 backend developer English-speaking jobs in Lublin

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

You will work primarily in Java on the backend, with growing involvement in TypeScript and React on the ... leveraging modern tooling (including AI) where it adds value Contribute across the stack — primarily backend ... MUST HAVES ~2 years of professional software engineering experience Solid foundation in Java for backend ... frontend, integrating AI coding assistants like Claude Code and Codex into developer workflows. ... The role focuses on improving test reliability, coverage, and developer experience alongside a collaborative

Solid foundation in Java for backend development. ... You will work primarily in Java on the backend, with growing involvement in TypeScript and React on the ... leveraging modern tooling (including AI) where it adds value;- Contribute across the stack — primarily backend ... team.MUST HAVES- ~2 years of professional software engineering experience;- Solid foundation in Java for backend ... Genuine interest in developer experience, automation, and tooling.

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 component‑driven development; 1+ year of experience with Python, including API development and backend ... usage, and AI workflows; Build and maintain React‑based frontend components; Develop and extend Python 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

Participate in backend architecture and technical decisions. ... Svitla Systems Inc. is looking for a Senior Node.js Developer with AWS for a full-time position (40 hours ... Responsibilities Develop and maintain backend services in Node.js. ... Requirements 4-5 years of experience as a Back End Developer with Node.js and NestJS (for complex services ... Understanding of data-heavy backend systems (aggregation, querying, performance).

Position overview We are seeking a highly skilled Full Stack Developer with deep expertise in Golang ... (backend) and React/TypeScript (frontend). ... Contribute to UI/UX improvements and ensure seamless integration between frontend and backend. ... Responsibilities Design, develop, and maintain backend services using Golang and frontend applications ... Requirements Strong, in-depth knowledge of Golang Experience delivering complex backend systems from

About the Role Join as a Senior Backend Developer (AdTech) to help build a next-generation advertising ... improvements; Drive architectural decisions and establish patterns that support scalability, reliability, and developer ... platform powered by scalable backend systems, real-time data processing, and distributed architectures ... MUST HAVES 5 years of software development experience building scalable systems (backend programming

ABOUT THE ROLE Join as a Senior Backend Developer (AdTech) to help build a next-generation advertising ... improvements Drive architectural decisions and establish patterns that support scalability, reliability, and developer ... platform powered by scalable backend systems, real-time data processing, and distributed architectures ... high-performing team MUST HAVES 5 years of software development experience building scalable systems (backend

Position overview We are looking for a Senior .NET Developer to work on a long-term Portfolio Management ... System that combines backend services, desktop applications, and system integrations. ... Project overview The project focuses on building and evolving a Portfolio Management System that includes backend ... Team You will work in a cross-functional team consisting of backend developers, desktop developers, QA ... VSTO, WPF, WCF, Win Services, ASP.NET , MS Azure, and TeamCity Responsibilities Design and develop backend

Position overview As a Senior Backend Engineer you will design, build, and maintain core backend integrations ... Responsibilities Design, build, and maintain backend integrations with Hotel PMS and hospitality platforms ... platform and strong domain knowledge of hotel distribution, combined with solid experience operating backend ... Experience with hospitality APIs and reconciling state across event-driven and polling systems. 5 years as Backend

About the Role We are looking for a Senior Backend Engineer to lead a critical migration from a monolithic

Your Contribution:Innovative Design:Spearhead the architectural design of our backend systems, crafting ... development for large-scale enterprise applications.Technical Expertise:Extensive experience with backend ... Science, Engineering, or a related field, supplemented by a minimum of 5 years of robust experience in backend ... between central architecture and development teams, fostering a culture of collaboration and alignment on backend ... industry trends and emerging technologies, leveraging new insights to continuously evolve and enhance our backend

ABOUT THE ROLE We are looking for a Senior Backend Engineer to lead a critical migration from a monolithic

Project overview The Salesforce Data Cloud Senior Developer will focus on building and maintaining a ... Proven technical troubleshooting and backend problem-solving capabilities. ... will have hands-on Salesforce Data Cloud implementation experience, strong data modeling skills, and a backend-oriented

Embark on a journey of continuous growth and advancement as a Mobile App Developer , becoming an integral ... performance, quality, and responsiveness across a wide range of devices Connect mobile apps to the backend ... automated tests (Unit and UI) to maintain high-quality standards Collaborate closely with designers, backend ... managers Work in a young, dynamic team responsible for the entire product ecosystem—from hardware to backend

Position overview We are looking for an AI Developer to help build and scale AI-driven solutions within ... You will work within a cross-functional engineering team that includes AI developers, backend engineers ... governance, security, lineage, and reliability principles Experience building scalable and maintainable backend ... Contribute to the development of secure and maintainable AI workflows and integrations Requirements Strong backend

Collaborate with stakeholders to analyze requirements and design technical concepts Implement robust backend ... We are looking for a long-term Full-Stack Developer (Java EE, Angular) who will help design, develop, ... Benefits for Employees : access to private medical care and MultiSport card What You’ll Do As a Full-Stack Developer

CGM is Europe's leading developer of IT solutions for the entire healthcare sector. ... user-facing applications.Work with software engineers to integrate AI functionality into clinical apps, backend ... AI platforms such as OpenAI, Gemini, or Anthropic to build LLM-powered tools.Champion the use of AI developer

We are looking for experienced Delphi Developer who would join our Competency Center Digital and get