213 backend developer English-speaking jobs in Łódź Voivodeship

insurance systems Strong knowledge of Java and backend development Experience with REST APIs and system ... Insurance Platform Implement and customize modules such as PolicyCore, BillingCore and ClaimCore Develop backend ... or EIS Developer Hands-on experience with EIS Digital Insurance Platform Experience working with core ... PolicyCore, BillingCore, ClaimCore), REST APIs Requirements: Strong commercial experience as a Java Developer ... client-facing projects German language skills Project description: We are looking for an experienced EIS Senior Developer

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

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

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

Backend development using Java 17 and JPA, creating scalable and maintainable business logic.

needs Main responsibilities: Designing and delivering secure, scalable, and maintainable .NET 8 / C# backend

As a Full Stack Software Engineer, you will join a team where every developer has end-to-end ownership ... System Enhancement: Read and master complex business logic within backend services to enhance and scale ... You take pride in being a "full-cycle" developer, comfortable managing your own testing and deployments ... Your background Full Stack Expertise: Strong competence in Java or Kotlin (Spring Framework) for backend

You will be working on a real IoT platform, where backend services communicate with devices and cloud ... architecture for IoT systems implement complex, business‑critical backend components make architectural ... Java 17 / Java 21 commercial experience with Kotlin proven experience in designing and developing backend ... security mechanisms based on encryption, certificates and credentials Key Missions: design and evolve backend

As a developer, you will work on both backend and frontend development, taking responsibility not only ... Responsibilities you'll have Developing backend and frontend features within a greenfield application ... experience Practical knowledge of Java and Spring Boot Motivation and readiness to further develop Java and backend

We are currently seeking a talented Senior Golang Developer. ... Solid experience building backend systems and APIs in a production environment. ... B2B Contract Salary rate up to 34 EUR/h Fully remote position Start ASAP Develop and maintain backend ... We are also open to candidates with a Fullstack profile, particularly those who bring solid backend expertise

of recruitment projects we undertake for our partners, we are currently looking for: Senior Frontend Developer ... Analyze and optimize application performance, including load times and Core Web Vitals Collaborate with backend

Designing and developing analytical web applications used across the organization, Building scalable backend ... We are looking for an experienced Software Developer to join the Business Intelligence team and help ... We are looking for an experienced Software Developer to join the Business Intelligence team and help

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

We are looking for a full-stack developer with a backend focus, but frontend skills will come in handy ... React and JavaScript with a focus on frontend contributions Familiarity with in Java or Kotlin for backend

We are looking for an experienced Senior React Native Developer responsible for building and maintaining ... Collaborate with backend, web, QA, and product teams to ensure seamless integration and consistent user

observability,security mechanisms based on encryption, certificates and credentials,Key MissionsAs a Senior Developer ... , you will:design and evolve backend architecture for IoT systems,implement complex, business-critical ... backend components,make architectural and technical decisions within the team,ensure system scalability ... support QA team in their activities and many more.You will be working on a real IoT platform, where backend ... with Java 17 / Java 21,commercial experience with Kotlinproven experience in designing and developing backend

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

peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team , Maintain a developer-first ... Tech Stack Backend: Python 3.1x, Django 4.x, Django ORM Frontend: React (rarely requests to craft ... Tech Stack Backend: Python 3.1x, Django 4.x, Django ORM Frontend: React (rarely requests to craft ... gross senior 15000 - 24 000 PLN gross ,[Design, develop, and maintain scalable finance-focused backend

Responsibilities: Design and development of applications in fullstack architecture (backend frontend ... ) Creation and development of the backend layer based on Java 17 and Spring Boot Building and developing ... years of experience with: React, Spring Boot and JPA Experience in building full-stack applications (backend

Lead Engineer will drive technical direction, make strategic decisions, and ensure alignment with business goals. This role balances coding and architecture responsibilities with mentoring and guiding engineers. Requires 5+ years of back-end development experience with Java and Spring, strong database knowledge, and familiarity with DevOps practices.