1566 backend developer English-speaking jobs in Masovian Voivodeship

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

You will be: designing, developing, and maintaining high-performance backend systems using Java and Spring ... Your profile: 5 years of professional experience in Java backend development, strong experience with ... systems, collaborating with cross-functional teams to deliver scalable and reliable systems, integrating backend ... APIs, strong debugging and problem-solving skills, solid understanding of software design patterns and backend

Requirements At least 3 years of experience as a Fullstack Developer. ... Hands-on experience with modern frontend/backend frameworks and API design. ... Develop frontend and backend architecture, APIs, and integrations with existing systems.

azure/msal-angular Jasmine Karma about-project : We are looking for an experienced Frontend Angular Developer ... The solution will be based on Microsoft technologies, including .NET Core and Microsoft Azure on the backend ... with REST APIs Handle asynchronous data using RxJS Write unit tests (Jasmine, Karma) Collaborate with 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

are built and delivered across a diverse technology landscape — from IoT and firmware to web, mobile, backend ... Jenkins, GitHub Actions, Gradle, and Artifactory Ensure reliability, extensibility, and security of developer ... teams to identify bottlenecks and optimize build and delivery workflows Advocate for best-in-class developer ... influence platform strategy, guide engineering teams in adopting modern CI/CD solutions, and help scale developer ... Go, or Python) Familiarity with modern CI/CD ecosystems and build tooling Strong focus on improving developer

Having such great solutions, we are looking for a highly motivated Backend Software Engineer to join ... About the team Our Backend Team works primarily with Scala, Apache Kafka, ElasticSearch, Clickhouse,

products in a professional yet relaxed environment.Your mission and responsibilitiesDevelop and maintain backend

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

We are looking for an experienced Backend Engineer to support ongoing development and maintenance of ... The role focuses on fixing production issues, improving existing backend services, and delivering new ... Responsibilities Develop and maintain backend services in TypeScript Build new features and enhancements ... B2 level) Nice to Have Experience working in fast‑moving product teams Familiarity with scalable backend

products in a professional yet relaxed environment.Your Mission And ResponsibilitiesDevelop and maintain backend

Andersen is hiring a Go Developer for a global insurance leader. ... Must-haves: Experience as a Go Developer for 3 years. ... Taking ownership of the backend that powers multiple user-facing apps, advancing our state-of-the-art ... Solid experience with Golang, Docker, Postgres, RabbitMQ (or Kafka), gRPC, REST API, and Backend testing

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

Andersen is hiring a Senior .NET/Azure Developer for a project building a risk intelligence platform, ... Integrating backend components within the Azure ecosystem (Functions, Storage, messaging). ... Working with semi-structured data (JSON) and integrating it into scalable backend services. ... Responsibilities: Designing and implementing APIs and backend services for accessing, processing, and ... Must-haves: Hands-on experience with backend development using C#, .NET Core / ASP.NET , building RESTful

We are looking for a Senior Python AI Developer to build and scale an AI driven product platform in a ... ・Strong experience with Python and backend API development. ... ・Connecting backend services, frontend applications, data workflows, and AI generated outputs into a ... outputs that need to be clear, explainable, and easy to inspect. ✅ Your responsibilities: ・Developing backend

developer frontend developer fullstack developer technical leader data scientist This is how we work ... (CEST) 5 years with Python and backend frameworks like FastAPI or Django Knowledge of relational databases ... single project at a time you can change the project you focus on product development agile Team members backend

We are looking for an experienced Fullstack Developer to join the team with a product that supports resale ... agentic workflows as part of everyday software development Tech stack: Frontend: React, micro frontends Backend ... lifecycle of the application, including production deployment What we are looking for: Strong experience in backend

Support backend integration using Java or Python (exposure welcome). ... JavaScript CSS Jest GitLab technologies-optional : Java Python about-project : As a Senior Frontend Developer

Spark Developer to join our Markets technology team. ... Energy & Utilities, Retail, and Media & Telecommunications.Job DescriptionWe are looking for a Mid-Level Backend

distribution, support learning, and enable feedback loops at scale.We are currently looking for a Software Developer ... with Node.js).A solid understanding of modern backend frameworks (e.g. ... web development using Kotlin or Java.Experience with JavaScript/TypeScript backend development (e.g. ... other teams to evolve shared infrastructure and internal platforms.QualificationsStrong experience in backend